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SDL/test/testautomation_rect.c
Anonymous Maarten f48a96a976 test: actually run rect tests
2025-03-14 21:40:31 +01:00

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/**
* Original code: automated SDL rect test written by Edgar Simo "bobbens"
* New/updated tests: aschiffler at ferzkopp dot net
*/
#include <stdio.h>
#include "SDL.h"
#include "SDL_test.h"
/* ================= Test Case Implementation ================== */
/* Helper functions */
/* !
* \brief Private helper to check SDL_FRect equality
*/
static SDL_bool IsFRectEqual(const SDL_FRect *r1, const SDL_FRect *r2) {
static const float MAX_DELTA = 1e-5f;
SDL_FRect delta;
delta.x = r1->x - r2->x;
delta.y = r1->y - r2->y;
delta.w = r1->w - r2->w;
delta.h = r1->h - r2->h;
return -MAX_DELTA <= delta.x && delta.x <= MAX_DELTA
&& -MAX_DELTA <= delta.y && delta.y <= MAX_DELTA
&& -MAX_DELTA <= delta.w && delta.w <= MAX_DELTA
&& -MAX_DELTA <= delta.w && delta.h <= MAX_DELTA;
}
/* !
* \brief Private helper to check SDL_FPoint equality
*/
static SDL_bool IsFPointEqual(const SDL_FPoint *p1, const SDL_FPoint *p2) {
static const float MAX_DELTA = 1e-5f;
SDL_FPoint delta;
delta.x = p1->x - p2->x;
delta.y = p1->y - p2->y;
return -MAX_DELTA <= delta.x && delta.x <= MAX_DELTA
&& -MAX_DELTA <= delta.y && delta.y <= MAX_DELTA;
}
/* Helper functions */
/* !
* \brief Private helper to check SDL_IntersectRectAndLine results
*/
void _validateIntersectRectAndLineResults(
SDL_bool intersection, SDL_bool expectedIntersection,
SDL_Rect *rect, SDL_Rect *refRect,
int x1, int y1, int x2, int y2,
int x1Ref, int y1Ref, int x2Ref, int y2Ref)
{
SDLTest_AssertCheck(intersection == expectedIntersection,
"Check for correct intersection result: expected %s, got %s intersecting rect (%d,%d,%d,%d) with line (%d,%d - %d,%d)",
(expectedIntersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(intersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
refRect->x, refRect->y, refRect->w, refRect->h,
x1Ref, y1Ref, x2Ref, y2Ref);
SDLTest_AssertCheck(rect->x == refRect->x && rect->y == refRect->y && rect->w == refRect->w && rect->h == refRect->h,
"Check that source rectangle was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rect->x, rect->y, rect->w, rect->h,
refRect->x, refRect->y, refRect->w, refRect->h);
SDLTest_AssertCheck(x1 == x1Ref && y1 == y1Ref && x2 == x2Ref && y2 == y2Ref,
"Check if line was incorrectly clipped or modified: got (%d,%d - %d,%d) expected (%d,%d - %d,%d)",
x1, y1, x2, y2,
x1Ref, y1Ref, x2Ref, y2Ref);
}
/* Test case functions */
/* !
* \brief Tests SDL_IntersectRectAndLine() clipping cases
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRectAndLine
*/
int rect_testIntersectRectAndLine(void *arg)
{
SDL_Rect refRect = { 0, 0, 32, 32 };
SDL_Rect rect;
int x1, y1;
int x2, y2;
SDL_bool intersected;
int xLeft = -SDLTest_RandomIntegerInRange(1, refRect.w);
int xRight = refRect.w + SDLTest_RandomIntegerInRange(1, refRect.w);
int yTop = -SDLTest_RandomIntegerInRange(1, refRect.h);
int yBottom = refRect.h + SDLTest_RandomIntegerInRange(1, refRect.h);
x1 = xLeft;
y1 = 15;
x2 = xRight;
y2 = 15;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 0, 15, 31, 15);
x1 = 15;
y1 = yTop;
x2 = 15;
y2 = yBottom;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 15, 0, 15, 31);
x1 = -refRect.w;
y1 = -refRect.h;
x2 = 2 * refRect.w;
y2 = 2 * refRect.h;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 0, 0, 31, 31);
x1 = 2 * refRect.w;
y1 = 2 * refRect.h;
x2 = -refRect.w;
y2 = -refRect.h;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 31, 31, 0, 0);
x1 = -1;
y1 = 32;
x2 = 32;
y2 = -1;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 0, 31, 31, 0);
x1 = 32;
y1 = -1;
x2 = -1;
y2 = 32;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 31, 0, 0, 31);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_IntersectRectAndLine() non-clipping case line inside
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRectAndLine
*/
int rect_testIntersectRectAndLineInside(void *arg)
{
SDL_Rect refRect = { 0, 0, 32, 32 };
SDL_Rect rect;
int x1, y1;
int x2, y2;
SDL_bool intersected;
int xmin = refRect.x;
int xmax = refRect.x + refRect.w - 1;
int ymin = refRect.y;
int ymax = refRect.y + refRect.h - 1;
int x1Ref = SDLTest_RandomIntegerInRange(xmin + 1, xmax - 1);
int y1Ref = SDLTest_RandomIntegerInRange(ymin + 1, ymax - 1);
int x2Ref = SDLTest_RandomIntegerInRange(xmin + 1, xmax - 1);
int y2Ref = SDLTest_RandomIntegerInRange(ymin + 1, ymax - 1);
x1 = x1Ref;
y1 = y1Ref;
x2 = x2Ref;
y2 = y2Ref;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, x1Ref, y1Ref, x2Ref, y2Ref);
x1 = x1Ref;
y1 = y1Ref;
x2 = xmax;
y2 = ymax;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, x1Ref, y1Ref, xmax, ymax);
x1 = xmin;
y1 = ymin;
x2 = x2Ref;
y2 = y2Ref;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, xmin, ymin, x2Ref, y2Ref);
x1 = xmin;
y1 = ymin;
x2 = xmax;
y2 = ymax;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, xmin, ymin, xmax, ymax);
x1 = xmin;
y1 = ymax;
x2 = xmax;
y2 = ymin;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, xmin, ymax, xmax, ymin);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_IntersectRectAndLine() non-clipping cases outside
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRectAndLine
*/
int rect_testIntersectRectAndLineOutside(void *arg)
{
SDL_Rect refRect = { 0, 0, 32, 32 };
SDL_Rect rect;
int x1, y1;
int x2, y2;
SDL_bool intersected;
int xLeft = -SDLTest_RandomIntegerInRange(1, refRect.w);
int xRight = refRect.w + SDLTest_RandomIntegerInRange(1, refRect.w);
int yTop = -SDLTest_RandomIntegerInRange(1, refRect.h);
int yBottom = refRect.h + SDLTest_RandomIntegerInRange(1, refRect.h);
x1 = xLeft;
y1 = 0;
x2 = xLeft;
y2 = 31;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, xLeft, 0, xLeft, 31);
x1 = xRight;
y1 = 0;
x2 = xRight;
y2 = 31;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, xRight, 0, xRight, 31);
x1 = 0;
y1 = yTop;
x2 = 31;
y2 = yTop;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, 0, yTop, 31, yTop);
x1 = 0;
y1 = yBottom;
x2 = 31;
y2 = yBottom;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, 0, yBottom, 31, yBottom);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_IntersectRectAndLine() with empty rectangle
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRectAndLine
*/
int rect_testIntersectRectAndLineEmpty(void *arg)
{
SDL_Rect refRect;
SDL_Rect rect;
int x1, y1, x1Ref, y1Ref;
int x2, y2, x2Ref, y2Ref;
SDL_bool intersected;
refRect.x = SDLTest_RandomIntegerInRange(1, 1024);
refRect.y = SDLTest_RandomIntegerInRange(1, 1024);
refRect.w = 0;
refRect.h = 0;
x1Ref = refRect.x;
y1Ref = refRect.y;
x2Ref = SDLTest_RandomIntegerInRange(1, 1024);
y2Ref = SDLTest_RandomIntegerInRange(1, 1024);
x1 = x1Ref;
y1 = y1Ref;
x2 = x2Ref;
y2 = y2Ref;
rect = refRect;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
_validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, x1Ref, y1Ref, x2Ref, y2Ref);
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_IntersectRectAndLine() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRectAndLine
*/
int rect_testIntersectRectAndLineParam(void *arg)
{
SDL_Rect rect = { 0, 0, 32, 32 };
int x1 = rect.w / 2;
int y1 = rect.h / 2;
int x2 = x1;
int y2 = 2 * rect.h;
SDL_bool intersected;
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
SDLTest_AssertCheck(intersected == SDL_TRUE, "Check that intersection result was SDL_TRUE");
intersected = SDL_IntersectRectAndLine((SDL_Rect *)NULL, &x1, &y1, &x2, &y2);
SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
intersected = SDL_IntersectRectAndLine(&rect, (int *)NULL, &y1, &x2, &y2);
SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 2nd parameter is NULL");
intersected = SDL_IntersectRectAndLine(&rect, &x1, (int *)NULL, &x2, &y2);
SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 3rd parameter is NULL");
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, (int *)NULL, &y2);
SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 4th parameter is NULL");
intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, (int *)NULL);
SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 5th parameter is NULL");
intersected = SDL_IntersectRectAndLine((SDL_Rect *)NULL, (int *)NULL, (int *)NULL, (int *)NULL, (int *)NULL);
SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when all parameters are NULL");
return TEST_COMPLETED;
}
/* !
* \brief Private helper to check SDL_HasIntersection results
*/
void _validateHasIntersectionResults(
SDL_bool intersection, SDL_bool expectedIntersection,
SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB)
{
SDLTest_AssertCheck(intersection == expectedIntersection,
"Check intersection result: expected %s, got %s intersecting A (%d,%d,%d,%d) with B (%d,%d,%d,%d)",
(expectedIntersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(intersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
rectA->x, rectA->y, rectA->w, rectA->h,
rectB->x, rectB->y, rectB->w, rectB->h);
SDLTest_AssertCheck(rectA->x == refRectA->x && rectA->y == refRectA->y && rectA->w == refRectA->w && rectA->h == refRectA->h,
"Check that source rectangle A was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectA->x, rectA->y, rectA->w, rectA->h,
refRectA->x, refRectA->y, refRectA->w, refRectA->h);
SDLTest_AssertCheck(rectB->x == refRectB->x && rectB->y == refRectB->y && rectB->w == refRectB->w && rectB->h == refRectB->h,
"Check that source rectangle B was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectB->x, rectB->y, rectB->w, rectB->h,
refRectB->x, refRectB->y, refRectB->w, refRectB->h);
}
/* !
* \brief Private helper to check SDL_IntersectRect results
*/
void _validateIntersectRectResults(
SDL_bool intersection, SDL_bool expectedIntersection,
SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB,
SDL_Rect *result, SDL_Rect *expectedResult)
{
_validateHasIntersectionResults(intersection, expectedIntersection, rectA, rectB, refRectA, refRectB);
if (result && expectedResult) {
SDLTest_AssertCheck(result->x == expectedResult->x && result->y == expectedResult->y && result->w == expectedResult->w && result->h == expectedResult->h,
"Check that intersection of rectangles A (%d,%d,%d,%d) and B (%d,%d,%d,%d) was correctly calculated, got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectA->x, rectA->y, rectA->w, rectA->h,
rectB->x, rectB->y, rectB->w, rectB->h,
result->x, result->y, result->w, result->h,
expectedResult->x, expectedResult->y, expectedResult->w, expectedResult->h);
}
}
/* !
* \brief Private helper to check SDL_UnionRect results
*/
void _validateUnionRectResults(
SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB,
SDL_Rect *result, SDL_Rect *expectedResult)
{
SDLTest_AssertCheck(rectA->x == refRectA->x && rectA->y == refRectA->y && rectA->w == refRectA->w && rectA->h == refRectA->h,
"Check that source rectangle A was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectA->x, rectA->y, rectA->w, rectA->h,
refRectA->x, refRectA->y, refRectA->w, refRectA->h);
SDLTest_AssertCheck(rectB->x == refRectB->x && rectB->y == refRectB->y && rectB->w == refRectB->w && rectB->h == refRectB->h,
"Check that source rectangle B was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectB->x, rectB->y, rectB->w, rectB->h,
refRectB->x, refRectB->y, refRectB->w, refRectB->h);
SDLTest_AssertCheck(result->x == expectedResult->x && result->y == expectedResult->y && result->w == expectedResult->w && result->h == expectedResult->h,
"Check that union of rectangles A (%d,%d,%d,%d) and B (%d,%d,%d,%d) was correctly calculated, got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectA->x, rectA->y, rectA->w, rectA->h,
rectB->x, rectB->y, rectB->w, rectB->h,
result->x, result->y, result->w, result->h,
expectedResult->x, expectedResult->y, expectedResult->w, expectedResult->h);
}
/* !
* \brief Private helper to check SDL_RectEmpty results
*/
void _validateRectEmptyResults(
SDL_bool empty, SDL_bool expectedEmpty,
SDL_Rect *rect, SDL_Rect *refRect)
{
SDLTest_AssertCheck(empty == expectedEmpty,
"Check for correct empty result: expected %s, got %s testing (%d,%d,%d,%d)",
(expectedEmpty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
rect->x, rect->y, rect->w, rect->h);
SDLTest_AssertCheck(rect->x == refRect->x && rect->y == refRect->y && rect->w == refRect->w && rect->h == refRect->h,
"Check that source rectangle was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rect->x, rect->y, rect->w, rect->h,
refRect->x, refRect->y, refRect->w, refRect->h);
}
/* !
* \brief Private helper to check SDL_RectEquals results
*/
void _validateRectEqualsResults(
SDL_bool equals, SDL_bool expectedEquals,
SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB)
{
SDLTest_AssertCheck(equals == expectedEquals,
"Check for correct equals result: expected %s, got %s testing (%d,%d,%d,%d) and (%d,%d,%d,%d)",
(expectedEquals == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(equals == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
rectA->x, rectA->y, rectA->w, rectA->h,
rectB->x, rectB->y, rectB->w, rectB->h);
SDLTest_AssertCheck(rectA->x == refRectA->x && rectA->y == refRectA->y && rectA->w == refRectA->w && rectA->h == refRectA->h,
"Check that source rectangle A was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectA->x, rectA->y, rectA->w, rectA->h,
refRectA->x, refRectA->y, refRectA->w, refRectA->h);
SDLTest_AssertCheck(rectB->x == refRectB->x && rectB->y == refRectB->y && rectB->w == refRectB->w && rectB->h == refRectB->h,
"Check that source rectangle B was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
rectB->x, rectB->y, rectB->w, rectB->h,
refRectB->x, refRectB->y, refRectB->w, refRectB->h);
}
/* !
* \brief Private helper to check SDL_FRectEquals results
*/
void _validateFRectEqualsResults(
SDL_bool equals, SDL_bool expectedEquals,
SDL_FRect *rectA, SDL_FRect *rectB, SDL_FRect *refRectA, SDL_FRect *refRectB)
{
int cmpRes;
SDLTest_AssertCheck(equals == expectedEquals,
"Check for correct equals result: expected %s, got %s testing (%f,%f,%f,%f) and (%f,%f,%f,%f)",
(expectedEquals == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(equals == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
rectA->x, rectA->y, rectA->w, rectA->h,
rectB->x, rectB->y, rectB->w, rectB->h);
cmpRes = SDL_memcmp(rectA, refRectA, sizeof(*rectA));
SDLTest_AssertCheck(cmpRes == 0,
"Check that source rectangle A was not modified: got (%f,%f,%f,%f) expected (%f,%f,%f,%f)",
rectA->x, rectA->y, rectA->w, rectA->h,
refRectA->x, refRectA->y, refRectA->w, refRectA->h);
cmpRes = SDL_memcmp(rectB, refRectB, sizeof(*rectB));
SDLTest_AssertCheck(cmpRes == 0,
"Check that source rectangle B was not modified: got (%f,%f,%f,%f) expected (%f,%f,%f,%f)",
rectB->x, rectB->y, rectB->w, rectB->h,
refRectB->x, refRectB->y, refRectB->w, refRectB->h);
}
/* !
* \brief Tests SDL_IntersectRect() with B fully inside A
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRect
*/
int rect_testIntersectRectInside(void *arg)
{
SDL_Rect refRectA = { 0, 0, 32, 32 };
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_Rect result;
SDL_bool intersection;
/* rectB fully contained in rectA */
refRectB.x = 0;
refRectB.y = 0;
refRectB.w = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
refRectB.h = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_IntersectRect() with B fully outside A
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRect
*/
int rect_testIntersectRectOutside(void *arg)
{
SDL_Rect refRectA = { 0, 0, 32, 32 };
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_Rect result;
SDL_bool intersection;
/* rectB fully outside of rectA */
refRectB.x = refRectA.x + refRectA.w + SDLTest_RandomIntegerInRange(1, 10);
refRectB.y = refRectA.y + refRectA.h + SDLTest_RandomIntegerInRange(1, 10);
refRectB.w = refRectA.w;
refRectB.h = refRectA.h;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_IntersectRect() with B partially intersecting A
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRect
*/
int rect_testIntersectRectPartial(void *arg)
{
SDL_Rect refRectA = { 0, 0, 32, 32 };
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_Rect result;
SDL_Rect expectedResult;
SDL_bool intersection;
/* rectB partially contained in rectA */
refRectB.x = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
refRectB.y = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
refRectB.w = refRectA.w;
refRectB.h = refRectA.h;
rectA = refRectA;
rectB = refRectB;
expectedResult.x = refRectB.x;
expectedResult.y = refRectB.y;
expectedResult.w = refRectA.w - refRectB.x;
expectedResult.h = refRectA.h - refRectB.y;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
/* rectB right edge */
refRectB.x = rectA.w - 1;
refRectB.y = rectA.y;
refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
expectedResult.x = refRectB.x;
expectedResult.y = refRectB.y;
expectedResult.w = 1;
expectedResult.h = refRectB.h;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
/* rectB left edge */
refRectB.x = 1 - rectA.w;
refRectB.y = rectA.y;
refRectB.w = refRectA.w;
refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
expectedResult.x = 0;
expectedResult.y = refRectB.y;
expectedResult.w = 1;
expectedResult.h = refRectB.h;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
/* rectB bottom edge */
refRectB.x = rectA.x;
refRectB.y = rectA.h - 1;
refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
expectedResult.x = refRectB.x;
expectedResult.y = refRectB.y;
expectedResult.w = refRectB.w;
expectedResult.h = 1;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
/* rectB top edge */
refRectB.x = rectA.x;
refRectB.y = 1 - rectA.h;
refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
refRectB.h = rectA.h;
rectA = refRectA;
rectB = refRectB;
expectedResult.x = refRectB.x;
expectedResult.y = 0;
expectedResult.w = refRectB.w;
expectedResult.h = 1;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_IntersectRect() with 1x1 pixel sized rectangles
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRect
*/
int rect_testIntersectRectPoint(void *arg)
{
SDL_Rect refRectA = { 0, 0, 1, 1 };
SDL_Rect refRectB = { 0, 0, 1, 1 };
SDL_Rect rectA;
SDL_Rect rectB;
SDL_Rect result;
SDL_bool intersection;
int offsetX, offsetY;
/* intersecting pixels */
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectB.x = refRectA.x;
refRectB.y = refRectA.y;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &refRectA);
/* non-intersecting pixels cases */
for (offsetX = -1; offsetX <= 1; offsetX++) {
for (offsetY = -1; offsetY <= 1; offsetY++) {
if (offsetX != 0 || offsetY != 0) {
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectB.x = refRectA.x;
refRectB.y = refRectA.y;
refRectB.x += offsetX;
refRectB.y += offsetY;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
}
}
}
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_IntersectRect() with empty rectangles
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRect
*/
int rect_testIntersectRectEmpty(void *arg)
{
SDL_Rect refRectA;
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_Rect result;
SDL_bool intersection;
SDL_bool empty;
/* Rect A empty */
result.w = SDLTest_RandomIntegerInRange(1, 100);
result.h = SDLTest_RandomIntegerInRange(1, 100);
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
refRectB = refRectA;
refRectA.w = 0;
refRectA.h = 0;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
empty = SDL_RectEmpty(&result);
SDLTest_AssertCheck(empty == SDL_TRUE, "Validate result is empty Rect; got: %s", (empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
/* Rect B empty */
result.w = SDLTest_RandomIntegerInRange(1, 100);
result.h = SDLTest_RandomIntegerInRange(1, 100);
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
refRectB = refRectA;
refRectB.w = 0;
refRectB.h = 0;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
empty = SDL_RectEmpty(&result);
SDLTest_AssertCheck(empty == SDL_TRUE, "Validate result is empty Rect; got: %s", (empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
/* Rect A and B empty */
result.w = SDLTest_RandomIntegerInRange(1, 100);
result.h = SDLTest_RandomIntegerInRange(1, 100);
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
refRectB = refRectA;
refRectA.w = 0;
refRectA.h = 0;
refRectB.w = 0;
refRectB.h = 0;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_IntersectRect(&rectA, &rectB, &result);
_validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
empty = SDL_RectEmpty(&result);
SDLTest_AssertCheck(empty == SDL_TRUE, "Validate result is empty Rect; got: %s", (empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_IntersectRect() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_IntersectRect
*/
int rect_testIntersectRectParam(void *arg)
{
SDL_Rect rectA;
SDL_Rect rectB = { 0 };
SDL_Rect result;
SDL_bool intersection;
/* invalid parameter combinations */
intersection = SDL_IntersectRect((SDL_Rect *)NULL, &rectB, &result);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
intersection = SDL_IntersectRect(&rectA, (SDL_Rect *)NULL, &result);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 2st parameter is NULL");
intersection = SDL_IntersectRect(&rectA, &rectB, (SDL_Rect *)NULL);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 3st parameter is NULL");
intersection = SDL_IntersectRect((SDL_Rect *)NULL, (SDL_Rect *)NULL, &result);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st and 2nd parameters are NULL");
intersection = SDL_IntersectRect((SDL_Rect *)NULL, &rectB, (SDL_Rect *)NULL);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st and 3rd parameters are NULL ");
intersection = SDL_IntersectRect((SDL_Rect *)NULL, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when all parameters are NULL");
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_HasIntersection() with B fully inside A
*
* \sa
* http://wiki.libsdl.org/SDL_HasIntersection
*/
int rect_testHasIntersectionInside(void *arg)
{
SDL_Rect refRectA = { 0, 0, 32, 32 };
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_bool intersection;
/* rectB fully contained in rectA */
refRectB.x = 0;
refRectB.y = 0;
refRectB.w = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
refRectB.h = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_HasIntersection() with B fully outside A
*
* \sa
* http://wiki.libsdl.org/SDL_HasIntersection
*/
int rect_testHasIntersectionOutside(void *arg)
{
SDL_Rect refRectA = { 0, 0, 32, 32 };
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_bool intersection;
/* rectB fully outside of rectA */
refRectB.x = refRectA.x + refRectA.w + SDLTest_RandomIntegerInRange(1, 10);
refRectB.y = refRectA.y + refRectA.h + SDLTest_RandomIntegerInRange(1, 10);
refRectB.w = refRectA.w;
refRectB.h = refRectA.h;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_HasIntersection() with B partially intersecting A
*
* \sa
* http://wiki.libsdl.org/SDL_HasIntersection
*/
int rect_testHasIntersectionPartial(void *arg)
{
SDL_Rect refRectA = { 0, 0, 32, 32 };
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_bool intersection;
/* rectB partially contained in rectA */
refRectB.x = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
refRectB.y = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
refRectB.w = refRectA.w;
refRectB.h = refRectA.h;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
/* rectB right edge */
refRectB.x = rectA.w - 1;
refRectB.y = rectA.y;
refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
/* rectB left edge */
refRectB.x = 1 - rectA.w;
refRectB.y = rectA.y;
refRectB.w = refRectA.w;
refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
/* rectB bottom edge */
refRectB.x = rectA.x;
refRectB.y = rectA.h - 1;
refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
/* rectB top edge */
refRectB.x = rectA.x;
refRectB.y = 1 - rectA.h;
refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
refRectB.h = rectA.h;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_HasIntersection() with 1x1 pixel sized rectangles
*
* \sa
* http://wiki.libsdl.org/SDL_HasIntersection
*/
int rect_testHasIntersectionPoint(void *arg)
{
SDL_Rect refRectA = { 0, 0, 1, 1 };
SDL_Rect refRectB = { 0, 0, 1, 1 };
SDL_Rect rectA;
SDL_Rect rectB;
SDL_bool intersection;
int offsetX, offsetY;
/* intersecting pixels */
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectB.x = refRectA.x;
refRectB.y = refRectA.y;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
/* non-intersecting pixels cases */
for (offsetX = -1; offsetX <= 1; offsetX++) {
for (offsetY = -1; offsetY <= 1; offsetY++) {
if (offsetX != 0 || offsetY != 0) {
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectB.x = refRectA.x;
refRectB.y = refRectA.y;
refRectB.x += offsetX;
refRectB.y += offsetY;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
}
}
}
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_HasIntersection() with empty rectangles
*
* \sa
* http://wiki.libsdl.org/SDL_HasIntersection
*/
int rect_testHasIntersectionEmpty(void *arg)
{
SDL_Rect refRectA;
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_bool intersection;
/* Rect A empty */
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
refRectB = refRectA;
refRectA.w = 0;
refRectA.h = 0;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
/* Rect B empty */
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
refRectB = refRectA;
refRectB.w = 0;
refRectB.h = 0;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
/* Rect A and B empty */
refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
refRectB = refRectA;
refRectA.w = 0;
refRectA.h = 0;
refRectB.w = 0;
refRectB.h = 0;
rectA = refRectA;
rectB = refRectB;
intersection = SDL_HasIntersection(&rectA, &rectB);
_validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_HasIntersection() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_HasIntersection
*/
int rect_testHasIntersectionParam(void *arg)
{
SDL_Rect rectA;
SDL_Rect rectB = { 0 };
SDL_bool intersection;
/* invalid parameter combinations */
intersection = SDL_HasIntersection((SDL_Rect *)NULL, &rectB);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
intersection = SDL_HasIntersection(&rectA, (SDL_Rect *)NULL);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 2st parameter is NULL");
intersection = SDL_HasIntersection((SDL_Rect *)NULL, (SDL_Rect *)NULL);
SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when all parameters are NULL");
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_EnclosePoints() without clipping
*
* \sa
* http://wiki.libsdl.org/SDL_EnclosePoints
*/
int rect_testEnclosePoints(void *arg)
{
const int numPoints = 16;
SDL_Point refPoints[16];
SDL_Point points[16];
SDL_Rect result;
SDL_bool anyEnclosed;
SDL_bool anyEnclosedNoResult;
SDL_bool expectedEnclosed = SDL_TRUE;
int newx, newy;
int minx = 0, maxx = 0, miny = 0, maxy = 0;
int i;
/* Create input data, tracking result */
for (i = 0; i < numPoints; i++) {
newx = SDLTest_RandomIntegerInRange(-1024, 1024);
newy = SDLTest_RandomIntegerInRange(-1024, 1024);
refPoints[i].x = newx;
refPoints[i].y = newy;
points[i].x = newx;
points[i].y = newy;
if (i == 0) {
minx = newx;
maxx = newx;
miny = newy;
maxy = newy;
} else {
if (newx < minx) {
minx = newx;
}
if (newx > maxx) {
maxx = newx;
}
if (newy < miny) {
miny = newy;
}
if (newy > maxy) {
maxy = newy;
}
}
}
/* Call function and validate - special case: no result requested */
anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, (SDL_Rect *)NULL);
SDLTest_AssertCheck(expectedEnclosed == anyEnclosedNoResult,
"Check expected return value %s, got %s",
(expectedEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(anyEnclosedNoResult == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
for (i = 0; i < numPoints; i++) {
SDLTest_AssertCheck(refPoints[i].x == points[i].x && refPoints[i].y == points[i].y,
"Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
}
/* Call function and validate */
anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, &result);
SDLTest_AssertCheck(expectedEnclosed == anyEnclosed,
"Check return value %s, got %s",
(expectedEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(anyEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
for (i = 0; i < numPoints; i++) {
SDLTest_AssertCheck(refPoints[i].x == points[i].x && refPoints[i].y == points[i].y,
"Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
}
SDLTest_AssertCheck(result.x == minx && result.y == miny && result.w == (maxx - minx + 1) && result.h == (maxy - miny + 1),
"Resulting enclosing rectangle incorrect: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_EnclosePoints() with repeated input points
*
* \sa
* http://wiki.libsdl.org/SDL_EnclosePoints
*/
int rect_testEnclosePointsRepeatedInput(void *arg)
{
const int numPoints = 8;
const int halfPoints = 4;
SDL_Point refPoints[8];
SDL_Point points[8];
SDL_Rect result;
SDL_bool anyEnclosed;
SDL_bool anyEnclosedNoResult;
SDL_bool expectedEnclosed = SDL_TRUE;
int newx, newy;
int minx = 0, maxx = 0, miny = 0, maxy = 0;
int i;
/* Create input data, tracking result */
for (i = 0; i < numPoints; i++) {
if (i < halfPoints) {
newx = SDLTest_RandomIntegerInRange(-1024, 1024);
newy = SDLTest_RandomIntegerInRange(-1024, 1024);
} else {
newx = refPoints[i - halfPoints].x;
newy = refPoints[i - halfPoints].y;
}
refPoints[i].x = newx;
refPoints[i].y = newy;
points[i].x = newx;
points[i].y = newy;
if (i == 0) {
minx = newx;
maxx = newx;
miny = newy;
maxy = newy;
} else {
if (newx < minx) {
minx = newx;
}
if (newx > maxx) {
maxx = newx;
}
if (newy < miny) {
miny = newy;
}
if (newy > maxy) {
maxy = newy;
}
}
}
/* Call function and validate - special case: no result requested */
anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, (SDL_Rect *)NULL);
SDLTest_AssertCheck(expectedEnclosed == anyEnclosedNoResult,
"Check return value %s, got %s",
(expectedEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(anyEnclosedNoResult == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
for (i = 0; i < numPoints; i++) {
SDLTest_AssertCheck(refPoints[i].x == points[i].x && refPoints[i].y == points[i].y,
"Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
}
/* Call function and validate */
anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, &result);
SDLTest_AssertCheck(expectedEnclosed == anyEnclosed,
"Check return value %s, got %s",
(expectedEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(anyEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
for (i = 0; i < numPoints; i++) {
SDLTest_AssertCheck(refPoints[i].x == points[i].x && refPoints[i].y == points[i].y,
"Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
}
SDLTest_AssertCheck(result.x == minx && result.y == miny && result.w == (maxx - minx + 1) && result.h == (maxy - miny + 1),
"Check resulting enclosing rectangle: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_EnclosePoints() with clipping
*
* \sa
* http://wiki.libsdl.org/SDL_EnclosePoints
*/
int rect_testEnclosePointsWithClipping(void *arg)
{
const int numPoints = 16;
SDL_Point refPoints[16];
SDL_Point points[16];
SDL_Rect refClip;
SDL_Rect clip;
SDL_Rect result;
SDL_bool anyEnclosed;
SDL_bool anyEnclosedNoResult;
SDL_bool expectedEnclosed = SDL_FALSE;
int newx, newy;
int minx = 0, maxx = 0, miny = 0, maxy = 0;
int i;
/* Setup clipping rectangle */
refClip.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refClip.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refClip.w = SDLTest_RandomIntegerInRange(1, 1024);
refClip.h = SDLTest_RandomIntegerInRange(1, 1024);
/* Create input data, tracking result */
for (i = 0; i < numPoints; i++) {
newx = SDLTest_RandomIntegerInRange(-1024, 1024);
newy = SDLTest_RandomIntegerInRange(-1024, 1024);
refPoints[i].x = newx;
refPoints[i].y = newy;
points[i].x = newx;
points[i].y = newy;
if ((newx >= refClip.x) && (newx < (refClip.x + refClip.w)) &&
(newy >= refClip.y) && (newy < (refClip.y + refClip.h))) {
if (expectedEnclosed == SDL_FALSE) {
minx = newx;
maxx = newx;
miny = newy;
maxy = newy;
} else {
if (newx < minx) {
minx = newx;
}
if (newx > maxx) {
maxx = newx;
}
if (newy < miny) {
miny = newy;
}
if (newy > maxy) {
maxy = newy;
}
}
expectedEnclosed = SDL_TRUE;
}
}
/* Call function and validate - special case: no result requested */
clip = refClip;
anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, (SDL_Rect *)NULL);
SDLTest_AssertCheck(expectedEnclosed == anyEnclosedNoResult,
"Expected return value %s, got %s",
(expectedEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(anyEnclosedNoResult == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
for (i = 0; i < numPoints; i++) {
SDLTest_AssertCheck(refPoints[i].x == points[i].x && refPoints[i].y == points[i].y,
"Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
}
SDLTest_AssertCheck(refClip.x == clip.x && refClip.y == clip.y && refClip.w == clip.w && refClip.h == clip.h,
"Check that source clipping rectangle was not modified");
/* Call function and validate */
anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, &result);
SDLTest_AssertCheck(expectedEnclosed == anyEnclosed,
"Check return value %s, got %s",
(expectedEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(anyEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
for (i = 0; i < numPoints; i++) {
SDLTest_AssertCheck(refPoints[i].x == points[i].x && refPoints[i].y == points[i].y,
"Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
}
SDLTest_AssertCheck(refClip.x == clip.x && refClip.y == clip.y && refClip.w == clip.w && refClip.h == clip.h,
"Check that source clipping rectangle was not modified");
if (expectedEnclosed == SDL_TRUE) {
SDLTest_AssertCheck(result.x == minx && result.y == miny && result.w == (maxx - minx + 1) && result.h == (maxy - miny + 1),
"Check resulting enclosing rectangle: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
}
/* Empty clipping rectangle */
clip.w = 0;
clip.h = 0;
expectedEnclosed = SDL_FALSE;
anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, &result);
SDLTest_AssertCheck(expectedEnclosed == anyEnclosed,
"Check return value %s, got %s",
(expectedEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
(anyEnclosed == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_EnclosePoints() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_EnclosePoints
*/
int rect_testEnclosePointsParam(void *arg)
{
SDL_Point points[1];
int count;
SDL_Rect clip = { 0 };
SDL_Rect result;
SDL_bool anyEnclosed;
/* invalid parameter combinations */
anyEnclosed = SDL_EnclosePoints((SDL_Point *)NULL, 1, (const SDL_Rect *)&clip, &result);
SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 1st parameter is NULL");
anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, 0, (const SDL_Rect *)&clip, &result);
SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 2nd parameter is 0");
count = SDLTest_RandomIntegerInRange(-100, -1);
anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, count, (const SDL_Rect *)&clip, &result);
SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 2nd parameter is %i (negative)", count);
anyEnclosed = SDL_EnclosePoints((SDL_Point *)NULL, 0, (const SDL_Rect *)&clip, &result);
SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 1st parameter is NULL and 2nd parameter was 0");
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_UnionRect() where rect B is outside rect A
*
* \sa
* http://wiki.libsdl.org/SDL_UnionRect
*/
int rect_testUnionRectOutside(void *arg)
{
SDL_Rect refRectA, refRectB;
SDL_Rect rectA, rectB;
SDL_Rect expectedResult;
SDL_Rect result;
int minx, maxx, miny, maxy;
int dx, dy;
/* Union 1x1 outside */
for (dx = -1; dx < 2; dx++) {
for (dy = -1; dy < 2; dy++) {
if ((dx != 0) || (dy != 0)) {
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = 1;
refRectA.h = 1;
refRectB.x = SDLTest_RandomIntegerInRange(-1024, 1024) + dx * 2048;
refRectB.y = SDLTest_RandomIntegerInRange(-1024, 1024) + dx * 2048;
refRectB.w = 1;
refRectB.h = 1;
minx = (refRectA.x < refRectB.x) ? refRectA.x : refRectB.x;
maxx = (refRectA.x > refRectB.x) ? refRectA.x : refRectB.x;
miny = (refRectA.y < refRectB.y) ? refRectA.y : refRectB.y;
maxy = (refRectA.y > refRectB.y) ? refRectA.y : refRectB.y;
expectedResult.x = minx;
expectedResult.y = miny;
expectedResult.w = maxx - minx + 1;
expectedResult.h = maxy - miny + 1;
rectA = refRectA;
rectB = refRectB;
SDL_UnionRect(&rectA, &rectB, &result);
_validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
}
}
}
/* Union outside overlap */
for (dx = -1; dx < 2; dx++) {
for (dy = -1; dy < 2; dy++) {
if ((dx != 0) || (dy != 0)) {
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = SDLTest_RandomIntegerInRange(256, 512);
refRectA.h = SDLTest_RandomIntegerInRange(256, 512);
refRectB.x = refRectA.x + 1 + dx * 2;
refRectB.y = refRectA.y + 1 + dy * 2;
refRectB.w = refRectA.w - 2;
refRectB.h = refRectA.h - 2;
expectedResult = refRectA;
if (dx == -1) {
expectedResult.x--;
}
if (dy == -1) {
expectedResult.y--;
}
if ((dx == 1) || (dx == -1)) {
expectedResult.w++;
}
if ((dy == 1) || (dy == -1)) {
expectedResult.h++;
}
rectA = refRectA;
rectB = refRectB;
SDL_UnionRect(&rectA, &rectB, &result);
_validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
}
}
}
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_UnionRect() where rect A or rect B are empty
*
* \sa
* http://wiki.libsdl.org/SDL_UnionRect
*/
int rect_testUnionRectEmpty(void *arg)
{
SDL_Rect refRectA, refRectB;
SDL_Rect rectA, rectB;
SDL_Rect expectedResult;
SDL_Rect result;
/* A empty */
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = 0;
refRectA.h = 0;
refRectB.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectB.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectB.w = SDLTest_RandomIntegerInRange(1, 1024);
refRectB.h = SDLTest_RandomIntegerInRange(1, 1024);
expectedResult = refRectB;
rectA = refRectA;
rectB = refRectB;
SDL_UnionRect(&rectA, &rectB, &result);
_validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
/* B empty */
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = SDLTest_RandomIntegerInRange(1, 1024);
refRectA.h = SDLTest_RandomIntegerInRange(1, 1024);
refRectB.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectB.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectB.w = 0;
refRectB.h = 0;
expectedResult = refRectA;
rectA = refRectA;
rectB = refRectB;
SDL_UnionRect(&rectA, &rectB, &result);
_validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
/* A and B empty */
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = 0;
refRectA.h = 0;
refRectB.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectB.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectB.w = 0;
refRectB.h = 0;
result.x = 0;
result.y = 0;
result.w = 0;
result.h = 0;
expectedResult = result;
rectA = refRectA;
rectB = refRectB;
SDL_UnionRect(&rectA, &rectB, &result);
_validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_UnionRect() where rect B is inside rect A
*
* \sa
* http://wiki.libsdl.org/SDL_UnionRect
*/
int rect_testUnionRectInside(void *arg)
{
SDL_Rect refRectA, refRectB;
SDL_Rect rectA, rectB;
SDL_Rect expectedResult;
SDL_Rect result;
int dx, dy;
/* Union 1x1 with itself */
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = 1;
refRectA.h = 1;
expectedResult = refRectA;
rectA = refRectA;
SDL_UnionRect(&rectA, &rectA, &result);
_validateUnionRectResults(&rectA, &rectA, &refRectA, &refRectA, &result, &expectedResult);
/* Union 1x1 somewhere inside */
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = SDLTest_RandomIntegerInRange(256, 1024);
refRectA.h = SDLTest_RandomIntegerInRange(256, 1024);
refRectB.x = refRectA.x + 1 + SDLTest_RandomIntegerInRange(1, refRectA.w - 2);
refRectB.y = refRectA.y + 1 + SDLTest_RandomIntegerInRange(1, refRectA.h - 2);
refRectB.w = 1;
refRectB.h = 1;
expectedResult = refRectA;
rectA = refRectA;
rectB = refRectB;
SDL_UnionRect(&rectA, &rectB, &result);
_validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
/* Union inside with edges modified */
for (dx = -1; dx < 2; dx++) {
for (dy = -1; dy < 2; dy++) {
if ((dx != 0) || (dy != 0)) {
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = SDLTest_RandomIntegerInRange(256, 1024);
refRectA.h = SDLTest_RandomIntegerInRange(256, 1024);
refRectB = refRectA;
if (dx == -1) {
refRectB.x++;
}
if ((dx == 1) || (dx == -1)) {
refRectB.w--;
}
if (dy == -1) {
refRectB.y++;
}
if ((dy == 1) || (dy == -1)) {
refRectB.h--;
}
expectedResult = refRectA;
rectA = refRectA;
rectB = refRectB;
SDL_UnionRect(&rectA, &rectB, &result);
_validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
}
}
}
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_UnionRect() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_UnionRect
*/
int rect_testUnionRectParam(void *arg)
{
SDL_Rect rectA, rectB = { 0 };
SDL_Rect result;
/* invalid parameter combinations */
SDL_UnionRect((SDL_Rect *)NULL, &rectB, &result);
SDLTest_AssertPass("Check that function returns when 1st parameter is NULL");
SDL_UnionRect(&rectA, (SDL_Rect *)NULL, &result);
SDLTest_AssertPass("Check that function returns when 2nd parameter is NULL");
SDL_UnionRect(&rectA, &rectB, (SDL_Rect *)NULL);
SDLTest_AssertPass("Check that function returns when 3rd parameter is NULL");
SDL_UnionRect((SDL_Rect *)NULL, &rectB, (SDL_Rect *)NULL);
SDLTest_AssertPass("Check that function returns when 1st and 3rd parameter are NULL");
SDL_UnionRect(&rectA, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
SDLTest_AssertPass("Check that function returns when 2nd and 3rd parameter are NULL");
SDL_UnionRect((SDL_Rect *)NULL, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
SDLTest_AssertPass("Check that function returns when all parameters are NULL");
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_RectEmpty() with various inputs
*
* \sa
* http://wiki.libsdl.org/SDL_RectEmpty
*/
int rect_testRectEmpty(void *arg)
{
SDL_Rect refRect;
SDL_Rect rect;
SDL_bool expectedResult;
SDL_bool result;
int w, h;
/* Non-empty case */
refRect.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRect.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRect.w = SDLTest_RandomIntegerInRange(256, 1024);
refRect.h = SDLTest_RandomIntegerInRange(256, 1024);
expectedResult = SDL_FALSE;
rect = refRect;
result = SDL_RectEmpty(&rect);
_validateRectEmptyResults(result, expectedResult, &rect, &refRect);
/* Empty case */
for (w = -1; w < 2; w++) {
for (h = -1; h < 2; h++) {
if ((w != 1) || (h != 1)) {
refRect.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRect.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRect.w = w;
refRect.h = h;
expectedResult = SDL_TRUE;
rect = refRect;
result = SDL_RectEmpty(&rect);
_validateRectEmptyResults(result, expectedResult, &rect, &refRect);
}
}
}
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_RectEmpty() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_RectEmpty
*/
int rect_testRectEmptyParam(void *arg)
{
SDL_bool result;
/* invalid parameter combinations */
result = SDL_RectEmpty(NULL);
SDLTest_AssertCheck(result == SDL_TRUE, "Check that function returns TRUE when 1st parameter is NULL");
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_RectEquals() with various inputs
*
* \sa
* http://wiki.libsdl.org/SDL_RectEquals
*/
int rect_testRectEquals(void *arg)
{
SDL_Rect refRectA;
SDL_Rect refRectB;
SDL_Rect rectA;
SDL_Rect rectB;
SDL_bool expectedResult;
SDL_bool result;
/* Equals */
refRectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = SDLTest_RandomIntegerInRange(1, 1024);
refRectA.h = SDLTest_RandomIntegerInRange(1, 1024);
refRectB = refRectA;
expectedResult = SDL_TRUE;
rectA = refRectA;
rectB = refRectB;
result = SDL_RectEquals(&rectA, &rectB);
_validateRectEqualsResults(result, expectedResult, &rectA, &rectB, &refRectA, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_RectEquals() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_RectEquals
*/
int rect_testRectEqualsParam(void *arg)
{
SDL_Rect rectA;
SDL_Rect rectB;
SDL_bool result;
/* data setup */
rectA.x = SDLTest_RandomIntegerInRange(-1024, 1024);
rectA.y = SDLTest_RandomIntegerInRange(-1024, 1024);
rectA.w = SDLTest_RandomIntegerInRange(1, 1024);
rectA.h = SDLTest_RandomIntegerInRange(1, 1024);
rectB.x = SDLTest_RandomIntegerInRange(-1024, 1024);
rectB.y = SDLTest_RandomIntegerInRange(-1024, 1024);
rectB.w = SDLTest_RandomIntegerInRange(1, 1024);
rectB.h = SDLTest_RandomIntegerInRange(1, 1024);
/* invalid parameter combinations */
result = SDL_RectEquals(NULL, &rectB);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
result = SDL_RectEquals(&rectA, NULL);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 2nd parameter is NULL");
result = SDL_RectEquals(NULL, NULL);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 1st and 2nd parameter are NULL");
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_FRectEquals() with various inputs
*
* \sa
* http://wiki.libsdl.org/SDL_FRectEquals
*/
int rect_testFRectEquals(void *arg)
{
SDL_FRect refRectA;
SDL_FRect refRectB;
SDL_FRect rectA;
SDL_FRect rectB;
SDL_bool expectedResult;
SDL_bool result;
/* Equals */
refRectA.x = (float)SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y = (float)SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w = (float)SDLTest_RandomIntegerInRange(1, 1024);
refRectA.h = (float)SDLTest_RandomIntegerInRange(1, 1024);
refRectB = refRectA;
expectedResult = SDL_TRUE;
rectA = refRectA;
rectB = refRectB;
result = SDL_FRectEquals(&rectA, &rectB);
_validateFRectEqualsResults(result, expectedResult, &rectA, &rectB, &refRectA, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_FRectEquals() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_FRectEquals
*/
int rect_testFRectEqualsParam(void *arg)
{
SDL_FRect rectA;
SDL_FRect rectB;
SDL_bool result;
/* data setup -- For the purpose of this test, the values don't matter. */
rectA.x = SDLTest_RandomFloat();
rectA.y = SDLTest_RandomFloat();
rectA.w = SDLTest_RandomFloat();
rectA.h = SDLTest_RandomFloat();
rectB.x = SDLTest_RandomFloat();
rectB.y = SDLTest_RandomFloat();
rectB.w = SDLTest_RandomFloat();
rectB.h = SDLTest_RandomFloat();
/* invalid parameter combinations */
result = SDL_FRectEquals(NULL, &rectB);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
result = SDL_FRectEquals(&rectA, NULL);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 2nd parameter is NULL");
result = SDL_FRectEquals(NULL, NULL);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 1st and 2nd parameter are NULL");
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_HasIntersectionF
*
* \sa
* http://wiki.libsdl.org/SDL2/SDL_HasIntersectionF
*/
int rect_testHasIntersectionF(void *arg)
{
const struct {
SDL_FRect r1;
SDL_FRect r2;
SDL_bool expected;
} cases[] = {
{ { 0, 0, 0, 0 }, {0, 0, 0, 0}, SDL_FALSE },
{ { 0, 0, -200, 200 }, {0, 0, -200, 200}, SDL_FALSE },
{ { 0, 0, 10, 10 }, {-5, 5, 10, 2}, SDL_TRUE },
{ { 0, 0, 10, 10 }, {-5, -5, 10, 2}, SDL_FALSE },
{ { 0, 0, 10, 10 }, {-5, -5, 2, 10}, SDL_FALSE },
{ { 0, 0, 10, 10 }, {-5, -5, 5, 5}, SDL_FALSE },
{ { 0, 0, 10, 10 }, {-5, -5, 5.1f, 5.1f}, SDL_TRUE },
{ { 0, 0, 10, 10 }, {-4.99f, -4.99f, 5, 5}, SDL_TRUE },
};
size_t i;
for (i = 0; i < SDL_arraysize(cases); i++) {
SDL_bool result;
SDLTest_AssertPass("About to call SDL_HasIntersectionF(&{ %g, %g, %g, %g }, &{ %g, %g, %g, %g })",
cases[i].r1.x, cases[i].r1.y, cases[i].r1.w, cases[i].r1.h,
cases[i].r2.x, cases[i].r2.y, cases[i].r2.w, cases[i].r2.h
);
result = SDL_HasIntersectionF(&cases[i].r1, &cases[i].r2);
SDLTest_AssertCheck(result == cases[i].expected, "Got %d, expected %d", result, cases[i].expected);
}
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_IntersectFRect
*
* \sa
* http://wiki.libsdl.org/SDL2/SDL_IntersectFRect
*/
int rect_testIntersectFRect(void *arg)
{
const struct {
SDL_FRect r1;
SDL_FRect r2;
SDL_bool result;
SDL_FRect intersect;
} cases[] = {
{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, SDL_FALSE },
{ { 0, 0, -200, 200 }, { 0, 0, -200, 200 }, SDL_FALSE },
{ { 0, 0, 10, 10 }, { -5, 5, 9.9f, 2 }, SDL_TRUE, { 0, 5, 4.9f, 2 } },
{ { 0, 0, 10, 10 }, { -5, -5, 10, 2 }, SDL_FALSE},
{ { 0, 0, 10, 10 }, { -5, -5, 2, 10 }, SDL_FALSE},
{ { 0, 0, 10, 10 }, { -5, -5, 5, 5 }, SDL_FALSE},
{ { 0, 0, 10, 10 }, { -5, -5, 5.5f, 6 }, SDL_TRUE, { 0, 0, 0.5f, 1 } }
};
size_t i;
for (i = 0; i < SDL_arraysize(cases); i++) {
SDL_bool result;
SDL_FRect intersect;
SDLTest_AssertPass("About to call SDL_IntersectFRect(&{ %g, %g, %g, %g }, &{ %g, %g, %g, %g })",
cases[i].r1.x, cases[i].r1.y, cases[i].r1.w, cases[i].r1.h,
cases[i].r2.x, cases[i].r2.y, cases[i].r2.w, cases[i].r2.h
);
result = SDL_IntersectFRect(&cases[i].r1, &cases[i].r2, &intersect);
SDLTest_AssertCheck(result == cases[i].result, "Got %d, expected %d", result, cases[i].result);
if (cases[i].result) {
SDLTest_AssertCheck(IsFRectEqual(&intersect, &cases[i].intersect),
"Got { %g, %g, %g, %g }, expected { %g, %g, %g, %g }",
intersect.x, intersect.y, intersect.w, intersect.h,
cases[i].intersect.x, cases[i].intersect.y, cases[i].intersect.w, cases[i].intersect.h);
}
}
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_UnionFRect
*
* \sa
* http://wiki.libsdl.org/SDL2/SDL_UnionFRect
*/
int rect_testUnionFRect(void *arg)
{
const struct {
SDL_FRect r1;
SDL_FRect r2;
SDL_FRect expected;
} cases[] = {
{ { 0, 0, 10, 10 }, { 19.9f, 20, 10, 10 }, { 0, 0, 29.9f, 30 } },
{ { 0, 0, 0, 0 }, { 20, 20.1f, 10.1f, 10 }, { 20, 20.1f, 10.1f, 10 } },
{ { -200, -4.5f, 450, 33 }, { 20, 20, 10, 10 }, { -200, -4.5f, 450, 34.5f } },
{ { 0, 0, 15, 16.5f }, { 20, 20, 0, 0 }, { 0, 0, 15, 16.5f } }
};
size_t i;
for (i = 0; i < SDL_arraysize(cases); i++) {
SDL_FRect result;
SDLTest_AssertPass("About to call SDL_UnionFRect(&{ %g, %g, %g, %g }, &{ %g, %g, %g, %g })",
cases[i].r1.x, cases[i].r1.y, cases[i].r1.w, cases[i].r1.h,
cases[i].r2.x, cases[i].r2.y, cases[i].r2.w, cases[i].r2.h
);
SDL_UnionFRect(&cases[i].r1, &cases[i].r2, &result);
SDLTest_AssertCheck(IsFRectEqual(&result, &cases[i].expected),
"Got { %g, %g, %g, %g }, expected { %g, %g, %g, %g }",
result.x, result.y, result.w, result.h,
cases[i].expected.x, cases[i].expected.y, cases[i].expected.w, cases[i].expected.h);
}
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_EncloseFPointsUnionFRect
*
* \sa
* http://wiki.libsdl.org/SDL2/SDL_EncloseFPoints
*/
int rect_testEncloseFPoints(void *arg)
{
const struct {
SDL_bool with_clip;
SDL_FRect clip;
SDL_bool result;
SDL_FRect enclosing;
} cases[] = {
{ SDL_TRUE, { 0, 0, 10, 10 }, SDL_TRUE, { 0.5f, 0.1f, 6, 8 }},
{ SDL_TRUE, { 1.2f, 1, 10, 10 }, SDL_TRUE, { 1.5f, 1.1f, 5, 7 }},
{ SDL_TRUE, { -10, -10, 3, 3 }, SDL_FALSE },
{ SDL_FALSE, { 0 }, SDL_TRUE, { 0.5, 0.1f, 6, 8 }}
};
const SDL_FPoint points[] = {
{ 0.5f, 0.1f },
{ 5.5f, 7.1f },
{ 1.5f, 1.1f }
};
char points_str[256];
size_t i;
SDL_strlcpy(points_str, "{", sizeof(points_str));
for (i = 0; i < SDL_arraysize(points); i++) {
char point_str[32];
SDL_snprintf(point_str, sizeof(point_str), "{ %g, %g }, ", points[i].x, points[i].y);
SDL_strlcat(points_str, point_str, sizeof(points_str));
}
SDL_strlcat(points_str, "}", sizeof(points_str));
for (i = 0; i < SDL_arraysize(cases); i++) {
char clip_str[64];
SDL_bool result;
SDL_FRect enclosing;
const SDL_FRect* clip_ptr = NULL;
if (cases[i].with_clip) {
SDL_snprintf(clip_str, sizeof(clip_str), "&{ %g, %g, %g, %g }",
cases[i].clip.x, cases[i].clip.y, cases[i].clip.w, cases[i].clip.h);
clip_ptr = &cases[i].clip;
} else {
SDL_strlcpy(clip_str, "NULL", sizeof(clip_str));
}
SDLTest_AssertPass("About to call SDL_EncloseFPoints(&%s, %d, %s)", points_str, (int)SDL_arraysize(points), clip_str);
result = SDL_EncloseFPoints(points, SDL_arraysize(points), clip_ptr, &enclosing);
SDLTest_AssertCheck(result == cases[i].result, "Got %d, expected %d", result, cases[i].result);
if (cases[i].result) {
SDLTest_AssertCheck(IsFRectEqual(&enclosing, &cases[i].enclosing),
"Got { %g, %g, %g, %g }, expected { %g, %g, %g, %g }",
enclosing.x, enclosing.y, enclosing.w, enclosing.h,
cases[i].enclosing.x, cases[i].enclosing.y, cases[i].enclosing.w, cases[i].enclosing.h);
}
}
return TEST_COMPLETED;
}
/* !
* \brief Test SDL_IntersectFRectAndLine
*
* \sa
* http://wiki.libsdl.org/SDL2/SDL_IntersectFRectAndLine
*/
int rect_testIntersectFRectAndLine(void *arg)
{
const struct {
SDL_FRect rect;
SDL_FPoint p1;
SDL_FPoint p2;
SDL_bool result;
SDL_FPoint expected1;
SDL_FPoint expected2;
} cases[] = {
{ { 0, 0, 0, 0 }, { -4.8f, -4.8f }, { 5.2f, 5.2f }, SDL_FALSE },
{ { 0, 0, 2, 2 }, { -1, -1 }, { 3.5f, 3.5f }, SDL_TRUE, { 0, 0 }, { 1, 1 } },
{ { -4, -4, 14, 14 }, { 8, 22 }, { 8, 33}, SDL_FALSE }
};
size_t i;
for (i = 0; i < SDL_arraysize(cases); i++) {
SDL_bool result;
SDL_FPoint p1 = cases[i].p1;
SDL_FPoint p2 = cases[i].p2;
SDLTest_AssertPass("About to call SDL_IntersectFRectAndLine(&{%g, %g, %g, %g}, &%g, &%g, &%g, &%g)",
cases[i].rect.x, cases[i].rect.y, cases[i].rect.w, cases[i].rect.h,
p1.x, p1.y, p2.x, p2.y);
result = SDL_IntersectFRectAndLine(&cases[i].rect, &p1.x, &p1.y, &p2.x, &p2.y);
SDLTest_AssertCheck(result == cases[i].result, "Got %d, expected %d", result, cases[i].result);
if (cases[i].result) {
SDLTest_AssertCheck(IsFPointEqual(&p1, &cases[i].expected1),
"Got p1={ %g, %g }, expected p1={ %g, %g }",
p1.x, p1.y,
cases[i].expected1.x, cases[i].expected1.y);
SDLTest_AssertCheck(IsFPointEqual(&p2, &cases[i].expected2),
"Got p2={ %g, %g }, expected p2={ %g, %g }",
p2.x, p2.y,
cases[i].expected2.x, cases[i].expected2.y);
}
}
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Rect test cases */
/* SDL_IntersectRectAndLine */
static const SDLTest_TestCaseReference rectTest1 = {
(SDLTest_TestCaseFp)rect_testIntersectRectAndLine, "rect_testIntersectRectAndLine", "Tests SDL_IntersectRectAndLine clipping cases", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest2 = {
(SDLTest_TestCaseFp)rect_testIntersectRectAndLineInside, "rect_testIntersectRectAndLineInside", "Tests SDL_IntersectRectAndLine with line fully contained in rect", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest3 = {
(SDLTest_TestCaseFp)rect_testIntersectRectAndLineOutside, "rect_testIntersectRectAndLineOutside", "Tests SDL_IntersectRectAndLine with line fully outside of rect", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest4 = {
(SDLTest_TestCaseFp)rect_testIntersectRectAndLineEmpty, "rect_testIntersectRectAndLineEmpty", "Tests SDL_IntersectRectAndLine with empty rectangle ", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest5 = {
(SDLTest_TestCaseFp)rect_testIntersectRectAndLineParam, "rect_testIntersectRectAndLineParam", "Negative tests against SDL_IntersectRectAndLine with invalid parameters", TEST_ENABLED
};
/* SDL_IntersectRect */
static const SDLTest_TestCaseReference rectTest6 = {
(SDLTest_TestCaseFp)rect_testIntersectRectInside, "rect_testIntersectRectInside", "Tests SDL_IntersectRect with B fully contained in A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest7 = {
(SDLTest_TestCaseFp)rect_testIntersectRectOutside, "rect_testIntersectRectOutside", "Tests SDL_IntersectRect with B fully outside of A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest8 = {
(SDLTest_TestCaseFp)rect_testIntersectRectPartial, "rect_testIntersectRectPartial", "Tests SDL_IntersectRect with B partially intersecting A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest9 = {
(SDLTest_TestCaseFp)rect_testIntersectRectPoint, "rect_testIntersectRectPoint", "Tests SDL_IntersectRect with 1x1 sized rectangles", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest10 = {
(SDLTest_TestCaseFp)rect_testIntersectRectEmpty, "rect_testIntersectRectEmpty", "Tests SDL_IntersectRect with empty rectangles", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest11 = {
(SDLTest_TestCaseFp)rect_testIntersectRectParam, "rect_testIntersectRectParam", "Negative tests against SDL_IntersectRect with invalid parameters", TEST_ENABLED
};
/* SDL_HasIntersection */
static const SDLTest_TestCaseReference rectTest12 = {
(SDLTest_TestCaseFp)rect_testHasIntersectionInside, "rect_testHasIntersectionInside", "Tests SDL_HasIntersection with B fully contained in A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest13 = {
(SDLTest_TestCaseFp)rect_testHasIntersectionOutside, "rect_testHasIntersectionOutside", "Tests SDL_HasIntersection with B fully outside of A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest14 = {
(SDLTest_TestCaseFp)rect_testHasIntersectionPartial, "rect_testHasIntersectionPartial", "Tests SDL_HasIntersection with B partially intersecting A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest15 = {
(SDLTest_TestCaseFp)rect_testHasIntersectionPoint, "rect_testHasIntersectionPoint", "Tests SDL_HasIntersection with 1x1 sized rectangles", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest16 = {
(SDLTest_TestCaseFp)rect_testHasIntersectionEmpty, "rect_testHasIntersectionEmpty", "Tests SDL_HasIntersection with empty rectangles", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest17 = {
(SDLTest_TestCaseFp)rect_testHasIntersectionParam, "rect_testHasIntersectionParam", "Negative tests against SDL_HasIntersection with invalid parameters", TEST_ENABLED
};
/* SDL_EnclosePoints */
static const SDLTest_TestCaseReference rectTest18 = {
(SDLTest_TestCaseFp)rect_testEnclosePoints, "rect_testEnclosePoints", "Tests SDL_EnclosePoints without clipping", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest19 = {
(SDLTest_TestCaseFp)rect_testEnclosePointsWithClipping, "rect_testEnclosePointsWithClipping", "Tests SDL_EnclosePoints with clipping", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest20 = {
(SDLTest_TestCaseFp)rect_testEnclosePointsRepeatedInput, "rect_testEnclosePointsRepeatedInput", "Tests SDL_EnclosePoints with repeated input", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest21 = {
(SDLTest_TestCaseFp)rect_testEnclosePointsParam, "rect_testEnclosePointsParam", "Negative tests against SDL_EnclosePoints with invalid parameters", TEST_ENABLED
};
/* SDL_UnionRect */
static const SDLTest_TestCaseReference rectTest22 = {
(SDLTest_TestCaseFp)rect_testUnionRectInside, "rect_testUnionRectInside", "Tests SDL_UnionRect where rect B is inside rect A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest23 = {
(SDLTest_TestCaseFp)rect_testUnionRectOutside, "rect_testUnionRectOutside", "Tests SDL_UnionRect where rect B is outside rect A", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest24 = {
(SDLTest_TestCaseFp)rect_testUnionRectEmpty, "rect_testUnionRectEmpty", "Tests SDL_UnionRect where rect A or rect B are empty", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest25 = {
(SDLTest_TestCaseFp)rect_testUnionRectParam, "rect_testUnionRectParam", "Negative tests against SDL_UnionRect with invalid parameters", TEST_ENABLED
};
/* SDL_RectEmpty */
static const SDLTest_TestCaseReference rectTest26 = {
(SDLTest_TestCaseFp)rect_testRectEmpty, "rect_testRectEmpty", "Tests SDL_RectEmpty with various inputs", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest27 = {
(SDLTest_TestCaseFp)rect_testRectEmptyParam, "rect_testRectEmptyParam", "Negative tests against SDL_RectEmpty with invalid parameters", TEST_ENABLED
};
/* SDL_RectEquals */
static const SDLTest_TestCaseReference rectTest28 = {
(SDLTest_TestCaseFp)rect_testRectEquals, "rect_testRectEquals", "Tests SDL_RectEquals with various inputs", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest29 = {
(SDLTest_TestCaseFp)rect_testRectEqualsParam, "rect_testRectEqualsParam", "Negative tests against SDL_RectEquals with invalid parameters", TEST_ENABLED
};
/* SDL_FRectEquals */
static const SDLTest_TestCaseReference rectTest30 = {
(SDLTest_TestCaseFp)rect_testFRectEquals, "rect_testFRectEquals", "Tests SDL_FRectEquals with various inputs", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest31 = {
(SDLTest_TestCaseFp)rect_testFRectEqualsParam, "rect_testFRectEqualsParam", "Negative tests against SDL_FRectEquals with invalid parameters", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest32 = {
(SDLTest_TestCaseFp)rect_testHasIntersectionF, "rect_testHasIntersectionF", "Tests SDL_HasIntersectionF", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest33 = {
(SDLTest_TestCaseFp)rect_testIntersectFRect, "rect_testIntersectFRect", "Tests SDL_IntersectFRect", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest34 = {
(SDLTest_TestCaseFp)rect_testUnionFRect, "rect_testUnionFRect", "Tests SDL_UnionFRect", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest35 = {
(SDLTest_TestCaseFp)rect_testEncloseFPoints, "rect_testEncloseFPoints", "Tests SDL_EncloseFPoints", TEST_ENABLED
};
static const SDLTest_TestCaseReference rectTest36 = {
(SDLTest_TestCaseFp)rect_testIntersectFRectAndLine, "rect_testIntersectFRectAndLine", "Tests SDL_IntersectFRectAndLine", TEST_ENABLED
};
/* !
* \brief Sequence of Rect test cases; functions that handle simple rectangles including overlaps and merges.
*
* \sa
* http://wiki.libsdl.org/CategoryRect
*/
static const SDLTest_TestCaseReference *rectTests[] = {
&rectTest1, &rectTest2, &rectTest3, &rectTest4, &rectTest5, &rectTest6, &rectTest7, &rectTest8, &rectTest9, &rectTest10, &rectTest11, &rectTest12, &rectTest13, &rectTest14,
&rectTest15, &rectTest16, &rectTest17, &rectTest18, &rectTest19, &rectTest20, &rectTest21, &rectTest22, &rectTest23, &rectTest24, &rectTest25, &rectTest26, &rectTest27,
&rectTest28, &rectTest29, &rectTest30, &rectTest31, &rectTest32, &rectTest33, &rectTest34, &rectTest35, &rectTest36, NULL
};
/* Rect test suite (global) */
SDLTest_TestSuiteReference rectTestSuite = {
"Rect",
NULL,
rectTests,
NULL
};
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