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WIP: Make tests quite a lot nicer (#81)

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Make tests quite a lot nicer
This commit is contained in:
Ben Visness
2018-02-18 14:19:31 -06:00
committed by GitHub
parent 77914405c3
commit f8b3a84cec
20 changed files with 2374 additions and 2282 deletions
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3
.gitignore vendored
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@@ -31,5 +31,4 @@
*.exe
*.out
*.app
hmm_test
hmm_test*
test/build

8
.travis.yml
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@@ -6,7 +6,7 @@ install:
- cd test
- make
script:
- ./hmm_test_c
- ./hmm_test_c_no_sse
- ./hmm_test_cpp
- ./hmm_test_cpp_no_sse
- build/hmm_test_c
- build/hmm_test_c_no_sse
- build/hmm_test_cpp
- build/hmm_test_cpp_no_sse

265
test/HandmadeTest.h
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@@ -1,104 +1,263 @@
/*
HandmadeTest.h
This is Handmade Math's test framework. It is fully compatible with both C
and C++, although it requires some compiler-specific features.
The basic way of creating a test is using the TEST macro, which registers a
single test to be run:
TEST(MyCategory, MyTestName) {
// test code, including asserts/expects
}
The main function of your test code should then call hmt_run_all_tests and
return the result:
int main() {
return hmt_run_all_tests();
}
=============================================================================
If Handmade Test's macros are conflicting with existing macros in your
project, you may define HMT_SAFE_MACROS before you include HandmadeTest.h.
You may then prefix each macro with HMT_. For example, you may use HMT_TEST
instead of TEST and HMT_EXPECT_TRUE instead of EXPECT_TRUE.
*/
#ifndef HANDMADETEST_H
#define HANDMADETEST_H
#include <float.h>
#include <stdio.h>
#include <string.h>
int hmt_count_tests = 0;
int hmt_count_failedtests = 0;
int hmt_count_failures = 0;
#include "initializer.h"
#define RESET "\033[0m"
#define RED "\033[31m"
#define GREEN "\033[32m"
#define HMT_RESET "\033[0m"
#define HMT_RED "\033[31m"
#define HMT_GREEN "\033[32m"
#define CATEGORY_BEGIN(name) { \
int count_categorytests = 0; \
int count_categoryfailedtests = 0; \
int count_categoryfailures = 0; \
printf("\n" #name ":\n");
#define CATEGORY_END(name) \
hmt_count_tests += count_categorytests; \
hmt_count_failedtests += count_categoryfailedtests; \
hmt_count_failures += count_categoryfailures; \
printf("%d/%d tests passed, %d failures\n", count_categorytests - count_categoryfailedtests, count_categorytests, count_categoryfailures); \
#define HMT_INITIAL_ARRAY_SIZE 1024
typedef struct hmt_testresult_struct {
int count_cases;
int count_failures;
} hmt_testresult;
typedef void (*hmt_test_func)(hmt_testresult*);
typedef struct hmt_test_struct {
const char* name;
hmt_test_func func;
} hmt_test;
typedef struct hmt_category_struct {
const char* name;
int num_tests;
int tests_capacity;
hmt_test* tests;
} hmt_category;
int hmt_num_categories = 0;
int hmt_category_capacity = HMT_INITIAL_ARRAY_SIZE;
hmt_category* categories = 0;
hmt_category _hmt_new_category(const char* name) {
hmt_category cat = {
.name = name,
.num_tests = 0,
.tests_capacity = HMT_INITIAL_ARRAY_SIZE,
.tests = (hmt_test*) malloc(HMT_INITIAL_ARRAY_SIZE * sizeof(hmt_test))
};
return cat;
}
#define TEST_BEGIN(name) { \
int count_testcases = 0, count_testfailures = 0; \
count_categorytests++; \
printf(" " #name ":");
#define TEST_END() \
count_categoryfailures += count_testfailures; \
if (count_testfailures > 0) { \
count_categoryfailedtests++; \
printf("\n " RED "(%d/%d passed)" RESET, count_testcases - count_testfailures, count_testcases); \
printf("\n"); \
} else { \
printf(GREEN " [PASS] (%d/%d passed) \n" RESET, count_testcases - count_testfailures, count_testcases); \
} \
hmt_test _hmt_new_test(const char* name, hmt_test_func func) {
hmt_test test = {
.name = name,
.func = func
};
return test;
}
#define CASE_START() \
count_testcases++;
int hmt_register_test(const char* category, const char* name, hmt_test_func func) {
// initialize categories array if not initialized
if (!categories) {
categories = (hmt_category*) malloc(hmt_category_capacity * sizeof(hmt_category));
}
#define CASE_FAIL() \
count_testfailures++; \
printf("\n - " RED "[FAIL] (%d) " RESET, __LINE__);
// Find the matching category, if possible
int cat_index;
for (cat_index = 0; cat_index < hmt_num_categories; cat_index++) {
if (strcmp(categories[cat_index].name, category) == 0) {
break;
}
}
// Expand the array of categories if necessary
if (cat_index >= hmt_category_capacity) {
// TODO: If/when we ever split HandmadeTest off into its own package,
// we should start with a smaller initial capacity and dynamically expand.
}
// Add a new category if necessary
if (cat_index >= hmt_num_categories) {
categories[cat_index] = _hmt_new_category(category);
hmt_num_categories++;
}
hmt_category* cat = &categories[cat_index];
// Add the test to the category
if (cat->num_tests >= cat->tests_capacity) {
// TODO: If/when we ever split HandmadeTest off into its own package,
// we should start with a smaller initial capacity and dynamically expand.
}
cat->tests[cat->num_tests] = _hmt_new_test(name, func);
cat->num_tests++;
return 0;
}
int hmt_run_all_tests() {
int count_alltests = 0;
int count_allfailedtests = 0; // failed test cases
int count_allfailures = 0; // failed asserts
for (int i = 0; i < hmt_num_categories; i++) {
hmt_category cat = categories[i];
int count_catfailedtests = 0;
int count_catfailures = 0;
printf("\n%s:\n", cat.name);
for (int j = 0; j < cat.num_tests; j++) {
hmt_test test = cat.tests[j];
printf(" %s:", test.name);
hmt_testresult result = {
.count_cases = 0,
.count_failures = 0
};
test.func(&result);
count_catfailures += result.count_failures;
if (result.count_failures > 0) {
count_catfailedtests++;
printf("\n " HMT_RED "(%d/%d passed)" HMT_RESET, result.count_cases - result.count_failures, result.count_cases);
printf("\n");
} else {
printf(HMT_GREEN " [PASS] (%d/%d passed) \n" HMT_RESET, result.count_cases - result.count_failures, result.count_cases);
}
}
count_alltests += cat.num_tests;
count_allfailedtests += count_catfailedtests;
count_allfailures += count_catfailures;
printf("%d/%d tests passed, %d failures\n", cat.num_tests - count_catfailedtests, cat.num_tests, count_catfailures);
}
if (count_allfailedtests > 0) {
printf(HMT_RED);
} else {
printf(HMT_GREEN);
}
printf("\n%d/%d tests passed overall, %d failures\n" HMT_RESET, count_alltests - count_allfailedtests, count_alltests, count_allfailures);
printf("\n");
return (count_allfailedtests > 0);
}
#define _HMT_TEST_FUNCNAME(category, name) category ## _ ## name
#define _HMT_TEST_FUNCNAME_INIT(category, name) category ## _ ## name ## _init
#define HMT_TEST(category, name) \
void _HMT_TEST_FUNCNAME(category, name)(hmt_testresult* _result); \
INITIALIZER(_HMT_TEST_FUNCNAME_INIT(category, name)) { \
hmt_register_test(#category, #name, _HMT_TEST_FUNCNAME(category, name)); \
} \
void _HMT_TEST_FUNCNAME(category, name)(hmt_testresult* _result)
#define _HMT_CASE_START() \
_result->count_cases++;
#define _HMT_CASE_FAIL() \
_result->count_failures++; \
printf("\n - " HMT_RED "[FAIL] (%d) " HMT_RESET, __LINE__);
/*
* Asserts and expects
*/
#define EXPECT_TRUE(_actual) do { \
CASE_START(); \
#define HMT_EXPECT_TRUE(_actual) do { \
_HMT_CASE_START(); \
if (!(_actual)) { \
CASE_FAIL(); \
_HMT_CASE_FAIL(); \
printf("Expected true but got something false"); \
} \
} while (0)
#define EXPECT_FALSE(_actual) do { \
CASE_START(); \
#define HMT_EXPECT_FALSE(_actual) do { \
_HMT_CASE_START(); \
if (_actual) { \
CASE_FAIL(); \
_HMT_CASE_FAIL(); \
printf("Expected false but got something true"); \
} \
} while (0)
#define EXPECT_FLOAT_EQ(_actual, _expected) do { \
CASE_START(); \
#define HMT_EXPECT_FLOAT_EQ(_actual, _expected) do { \
_HMT_CASE_START(); \
float actual = (_actual); \
float diff = actual - (_expected); \
if (diff < -FLT_EPSILON || FLT_EPSILON < diff) { \
CASE_FAIL(); \
_HMT_CASE_FAIL(); \
printf("Expected %f, got %f", (_expected), actual); \
} \
} while (0)
#define EXPECT_NEAR(_actual, _expected, _epsilon) do { \
CASE_START(); \
#define HMT_EXPECT_NEAR(_actual, _expected, _epsilon) do { \
_HMT_CASE_START(); \
float actual = (_actual); \
float diff = actual - (_expected); \
if (diff < -(_epsilon) || (_epsilon) < diff) { \
CASE_FAIL(); \
_HMT_CASE_FAIL(); \
printf("Expected %f, got %f", (_expected), actual); \
} \
} while (0)
#define EXPECT_LT(_actual, _expected) do { \
CASE_START(); \
#define HMT_EXPECT_LT(_actual, _expected) do { \
_HMT_CASE_START(); \
if ((_actual) >= (_expected)) { \
CASE_FAIL(); \
_HMT_CASE_FAIL(); \
printf("Expected %f to be less than %f", (_actual), (_expected)); \
} \
} while (0)
#define EXPECT_GT(_actual, _expected) do { \
CASE_START(); \
#define HMT_EXPECT_GT(_actual, _expected) do { \
_HMT_CASE_START(); \
if ((_actual) <= (_expected)) { \
CASE_FAIL(); \
_HMT_CASE_FAIL(); \
printf("Expected %f to be greater than %f", (_actual), (_expected)); \
} \
} while (0)
#endif
#ifndef HMT_SAFE_MACROS
// Friendly defines
#define TEST(category, name) HMT_TEST(category, name)
#define EXPECT_TRUE(_actual) HMT_EXPECT_TRUE(_actual)
#define EXPECT_FALSE(_actual) HMT_EXPECT_FALSE(_actual)
#define EXPECT_FLOAT_EQ(_actual, _expected) HMT_EXPECT_FLOAT_EQ(_actual, _expected)
#define EXPECT_NEAR(_actual, _expected, _epsilon) HMT_EXPECT_NEAR(_actual, _expected, _epsilon)
#define EXPECT_LT(_actual, _expected) HMT_EXPECT_LT(_actual, _expected)
#define EXPECT_GT(_actual, _expected) HMT_EXPECT_GT(_actual, _expected)
#endif // HMT_SAFE_MACROS
#endif // HANDMADETEST_H

52
test/Makefile
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@@ -1,37 +1,45 @@
ROOT_DIR=..
BUILD_DIR=build
CXXFLAGS+=-g -Wall -Wextra -pthread -Wno-missing-braces -Wno-missing-field-initializers
all: c c_no_sse cpp cpp_no_sse
clean:
rm -f hmm_test_c hmm_test_cpp hmm_test_c_no_sse hmm_test_cpp_no_sse *.o
rm -rf $(BUILD_DIR)
c: $(ROOT_DIR)/test/HandmadeMath.c test_impl
c: HandmadeMath.c test_impl
@echo "\nCompiling in C mode"
$(CC) $(CPPFLAGS) $(CXXFLAGS) -std=c99 \
-c $(ROOT_DIR)/test/HandmadeMath.c $(ROOT_DIR)/test/hmm_test.c \
-lm
$(CC) -ohmm_test_c HandmadeMath.o hmm_test.o -lm
mkdir -p $(BUILD_DIR)
cd $(BUILD_DIR)\
&& $(CC) $(CPPFLAGS) $(CXXFLAGS) -std=c99 \
-c ../HandmadeMath.c ../hmm_test.c \
-lm \
&& $(CC) -ohmm_test_c HandmadeMath.o hmm_test.o -lm
c_no_sse: $(ROOT_DIR)/test/HandmadeMath.c test_impl
c_no_sse: HandmadeMath.c test_impl
@echo "\nCompiling in C mode (no SSE)"
$(CC) $(CPPFLAGS) $(CXXFLAGS) -std=c99 \
-DHANDMADE_MATH_NO_SSE \
-c $(ROOT_DIR)/test/HandmadeMath.c $(ROOT_DIR)/test/hmm_test.c \
-lm
$(CC) -ohmm_test_c_no_sse HandmadeMath.o hmm_test.o -lm
mkdir -p $(BUILD_DIR)
cd $(BUILD_DIR) \
&& $(CC) $(CPPFLAGS) $(CXXFLAGS) -std=c99 \
-DHANDMADE_MATH_NO_SSE \
-c ../HandmadeMath.c ../hmm_test.c \
-lm \
&& $(CC) -ohmm_test_c_no_sse HandmadeMath.o hmm_test.o -lm
cpp: $(ROOT_DIR)/test/HandmadeMath.cpp test_impl
cpp: HandmadeMath.cpp test_impl
@echo "\nCompiling in C++ mode"
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -ohmm_test_cpp \
-DHANDMADE_MATH_CPP_MODE \
$(ROOT_DIR)/test/HandmadeMath.cpp $(ROOT_DIR)/test/hmm_test.cpp
mkdir -p $(BUILD_DIR)
cd $(BUILD_DIR) \
&& $(CXX) $(CPPFLAGS) $(CXXFLAGS) -ohmm_test_cpp \
-DHANDMADE_MATH_CPP_MODE \
../HandmadeMath.cpp ../hmm_test.cpp
cpp_no_sse: $(ROOT_DIR)/test/HandmadeMath.cpp test_impl
cpp_no_sse: HandmadeMath.cpp test_impl
@echo "\nCompiling in C++ mode (no SSE)"
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -ohmm_test_cpp_no_sse \
-DHANDMADE_MATH_CPP_MODE -DHANDMADE_MATH_NO_SSE \
$(ROOT_DIR)/test/HandmadeMath.cpp $(ROOT_DIR)/test/hmm_test.cpp
mkdir -p $(BUILD_DIR)
cd $(BUILD_DIR) \
&& $(CXX) $(CPPFLAGS) $(CXXFLAGS) -ohmm_test_cpp_no_sse \
-DHANDMADE_MATH_CPP_MODE -DHANDMADE_MATH_NO_SSE \
../HandmadeMath.cpp ../hmm_test.cpp
test_impl: $(ROOT_DIR)/test/hmm_test.cpp $(ROOT_DIR)/test/hmm_test.c
test_impl: hmm_test.cpp hmm_test.c

8
test/README.md
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@@ -4,8 +4,8 @@ You can compile and run the tests yourself by running:
```
make
./hmm_test_c
./hmm_test_c_no_sse
./hmm_test_cpp
./hmm_test_cpp_no_sse
build/hmm_test_c
build/hmm_test_c_no_sse
build/hmm_test_cpp
build/hmm_test_cpp_no_sse
```

209
test/categories/Addition.h Normal file
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@@ -0,0 +1,209 @@
#include "../HandmadeTest.h"
TEST(Addition, Vec2)
{
hmm_vec2 v2_1 = HMM_Vec2(1.0f, 2.0f);
hmm_vec2 v2_2 = HMM_Vec2(3.0f, 4.0f);
{
hmm_vec2 result = HMM_AddVec2(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, 4.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Add(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, 4.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
}
{
hmm_vec2 result = v2_1 + v2_2;
EXPECT_FLOAT_EQ(result.X, 4.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
}
v2_1 += v2_2;
EXPECT_FLOAT_EQ(v2_1.X, 4.0f);
EXPECT_FLOAT_EQ(v2_1.Y, 6.0f);
#endif
}
TEST(Addition, Vec3)
{
hmm_vec3 v3_1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v3_2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
{
hmm_vec3 result = HMM_AddVec3(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, 5.0f);
EXPECT_FLOAT_EQ(result.Y, 7.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
}
#ifdef __cplusplus
{
hmm_vec3 result = HMM_Add(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, 5.0f);
EXPECT_FLOAT_EQ(result.Y, 7.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
}
{
hmm_vec3 result = v3_1 + v3_2;
EXPECT_FLOAT_EQ(result.X, 5.0f);
EXPECT_FLOAT_EQ(result.Y, 7.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
}
v3_1 += v3_2;
EXPECT_FLOAT_EQ(v3_1.X, 5.0f);
EXPECT_FLOAT_EQ(v3_1.Y, 7.0f);
EXPECT_FLOAT_EQ(v3_1.Z, 9.0f);
#endif
}
TEST(Addition, Vec4)
{
hmm_vec4 v4_1 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_vec4 v4_2 = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
{
hmm_vec4 result = HMM_AddVec4(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, 6.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
#ifdef __cplusplus
{
hmm_vec4 result = HMM_Add(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, 6.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
{
hmm_vec4 result = v4_1 + v4_2;
EXPECT_FLOAT_EQ(result.X, 6.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
v4_1 += v4_2;
EXPECT_FLOAT_EQ(v4_1.X, 6.0f);
EXPECT_FLOAT_EQ(v4_1.Y, 8.0f);
EXPECT_FLOAT_EQ(v4_1.Z, 10.0f);
EXPECT_FLOAT_EQ(v4_1.W, 12.0f);
#endif
}
TEST(Addition, Mat4)
{
hmm_mat4 m4_1 = HMM_Mat4(); // will have 1 - 16
hmm_mat4 m4_2 = HMM_Mat4(); // will have 17 - 32
// Fill the matrices
int Counter = 1;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4_1.Elements[Column][Row] = Counter;
++Counter;
}
}
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4_2.Elements[Column][Row] = Counter;
++Counter;
}
}
// Test the results
{
hmm_mat4 result = HMM_AddMat4(m4_1, m4_2);
float Expected = 18.0f;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(result.Elements[Column][Row], Expected);
Expected += 2.0f;
}
}
}
#ifdef __cplusplus
{
hmm_mat4 result = HMM_Add(m4_1, m4_2);
float Expected = 18.0f;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(result.Elements[Column][Row], Expected);
Expected += 2.0f;
}
}
}
{
hmm_mat4 result = m4_1 + m4_2;
float Expected = 18.0f;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(result.Elements[Column][Row], Expected);
Expected += 2.0f;
}
}
}
m4_1 += m4_2;
float Expected = 18.0f;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(m4_1.Elements[Column][Row], Expected);
Expected += 2.0f;
}
}
#endif
}
TEST(Addition, Quaternion)
{
hmm_quaternion q1 = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
hmm_quaternion q2 = HMM_Quaternion(5.0f, 6.0f, 7.0f, 8.0f);
{
hmm_quaternion result = HMM_AddQuaternion(q1, q2);
EXPECT_FLOAT_EQ(result.X, 6.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
#ifdef __cplusplus
{
hmm_quaternion result = HMM_Add(q1, q2);
EXPECT_FLOAT_EQ(result.X, 6.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
{
hmm_quaternion result = q1 + q2;
EXPECT_FLOAT_EQ(result.X, 6.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
q1 += q2;
EXPECT_FLOAT_EQ(q1.X, 6.0f);
EXPECT_FLOAT_EQ(q1.Y, 8.0f);
EXPECT_FLOAT_EQ(q1.Z, 10.0f);
EXPECT_FLOAT_EQ(q1.W, 12.0f);
#endif
}

325
test/categories/Division.h Normal file
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@@ -0,0 +1,325 @@
#include "../HandmadeTest.h"
TEST(Division, Vec2Vec2)
{
hmm_vec2 v2_1 = HMM_Vec2(1.0f, 3.0f);
hmm_vec2 v2_2 = HMM_Vec2(2.0f, 4.0f);
{
hmm_vec2 result = HMM_DivideVec2(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Divide(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
}
{
hmm_vec2 result = v2_1 / v2_2;
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
}
v2_1 /= v2_2;
EXPECT_FLOAT_EQ(v2_1.X, 0.5f);
EXPECT_FLOAT_EQ(v2_1.Y, 0.75f);
#endif
}
TEST(Division, Vec2Scalar)
{
hmm_vec2 v2 = HMM_Vec2(1.0f, 2.0f);
float s = 2;
{
hmm_vec2 result = HMM_DivideVec2f(v2, s);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Divide(v2, s);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
}
{
hmm_vec2 result = v2 / s;
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
}
v2 /= s;
EXPECT_FLOAT_EQ(v2.X, 0.5f);
EXPECT_FLOAT_EQ(v2.Y, 1.0f);
#endif
}
TEST(Division, Vec3Vec3)
{
hmm_vec3 v3_1 = HMM_Vec3(1.0f, 3.0f, 5.0f);
hmm_vec3 v3_2 = HMM_Vec3(2.0f, 4.0f, 0.5f);
{
hmm_vec3 result = HMM_DivideVec3(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
}
#ifdef __cplusplus
{
hmm_vec3 result = HMM_Divide(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
}
{
hmm_vec3 result = v3_1 / v3_2;
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
}
v3_1 /= v3_2;
EXPECT_FLOAT_EQ(v3_1.X, 0.5f);
EXPECT_FLOAT_EQ(v3_1.Y, 0.75f);
EXPECT_FLOAT_EQ(v3_1.Z, 10.0f);
#endif
}
TEST(Division, Vec3Scalar)
{
hmm_vec3 v3 = HMM_Vec3(1.0f, 2.0f, 3.0f);
float s = 2;
{
hmm_vec3 result = HMM_DivideVec3f(v3, s);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
}
#ifdef __cplusplus
{
hmm_vec3 result = HMM_Divide(v3, s);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
}
{
hmm_vec3 result = v3 / s;
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
}
v3 /= s;
EXPECT_FLOAT_EQ(v3.X, 0.5f);
EXPECT_FLOAT_EQ(v3.Y, 1.0f);
EXPECT_FLOAT_EQ(v3.Z, 1.5f);
#endif
}
TEST(Division, Vec4Vec4)
{
hmm_vec4 v4_1 = HMM_Vec4(1.0f, 3.0f, 5.0f, 1.0f);
hmm_vec4 v4_2 = HMM_Vec4(2.0f, 4.0f, 0.5f, 4.0f);
{
hmm_vec4 result = HMM_DivideVec4(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 0.25f);
}
#ifdef __cplusplus
{
hmm_vec4 result = HMM_Divide(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 0.25f);
}
{
hmm_vec4 result = v4_1 / v4_2;
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 0.75f);
EXPECT_FLOAT_EQ(result.Z, 10.0f);
EXPECT_FLOAT_EQ(result.W, 0.25f);
}
v4_1 /= v4_2;
EXPECT_FLOAT_EQ(v4_1.X, 0.5f);
EXPECT_FLOAT_EQ(v4_1.Y, 0.75f);
EXPECT_FLOAT_EQ(v4_1.Z, 10.0f);
EXPECT_FLOAT_EQ(v4_1.W, 0.25f);
#endif
}
TEST(Division, Vec4Scalar)
{
hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
float s = 2;
{
hmm_vec4 result = HMM_DivideVec4f(v4, s);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
EXPECT_FLOAT_EQ(result.W, 2.0f);
}
#ifdef __cplusplus
{
hmm_vec4 result = HMM_Divide(v4, s);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
EXPECT_FLOAT_EQ(result.W, 2.0f);
}
{
hmm_vec4 result = v4 / s;
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
EXPECT_FLOAT_EQ(result.W, 2.0f);
}
v4 /= s;
EXPECT_FLOAT_EQ(v4.X, 0.5f);
EXPECT_FLOAT_EQ(v4.Y, 1.0f);
EXPECT_FLOAT_EQ(v4.Z, 1.5f);
EXPECT_FLOAT_EQ(v4.W, 2.0f);
#endif
}
TEST(Division, Mat4Scalar)
{
hmm_mat4 m4 = HMM_Mat4(); // will have 1 - 16
float s = 2;
// Fill the matrix
int Counter = 1;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4.Elements[Column][Row] = Counter;
++Counter;
}
}
// Test the results
{
hmm_mat4 result = HMM_DivideMat4f(m4, s);
EXPECT_FLOAT_EQ(result.Elements[0][0], 0.5f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 1.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 1.5f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 2.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 2.5f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 3.5f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 4.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 4.5f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 5.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 5.5f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 6.5f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 7.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 7.5f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 8.0f);
}
#ifdef __cplusplus
{
hmm_mat4 result = HMM_Divide(m4, s);
EXPECT_FLOAT_EQ(result.Elements[0][0], 0.5f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 1.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 1.5f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 2.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 2.5f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 3.5f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 4.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 4.5f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 5.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 5.5f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 6.5f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 7.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 7.5f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 8.0f);
}
{
hmm_mat4 result = m4 / s;
EXPECT_FLOAT_EQ(result.Elements[0][0], 0.5f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 1.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 1.5f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 2.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 2.5f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 3.5f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 4.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 4.5f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 5.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 5.5f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 6.5f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 7.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 7.5f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 8.0f);
}
m4 /= s;
EXPECT_FLOAT_EQ(m4.Elements[0][0], 0.5f);
EXPECT_FLOAT_EQ(m4.Elements[0][1], 1.0f);
EXPECT_FLOAT_EQ(m4.Elements[0][2], 1.5f);
EXPECT_FLOAT_EQ(m4.Elements[0][3], 2.0f);
EXPECT_FLOAT_EQ(m4.Elements[1][0], 2.5f);
EXPECT_FLOAT_EQ(m4.Elements[1][1], 3.0f);
EXPECT_FLOAT_EQ(m4.Elements[1][2], 3.5f);
EXPECT_FLOAT_EQ(m4.Elements[1][3], 4.0f);
EXPECT_FLOAT_EQ(m4.Elements[2][0], 4.5f);
EXPECT_FLOAT_EQ(m4.Elements[2][1], 5.0f);
EXPECT_FLOAT_EQ(m4.Elements[2][2], 5.5f);
EXPECT_FLOAT_EQ(m4.Elements[2][3], 6.0f);
EXPECT_FLOAT_EQ(m4.Elements[3][0], 6.5f);
EXPECT_FLOAT_EQ(m4.Elements[3][1], 7.0f);
EXPECT_FLOAT_EQ(m4.Elements[3][2], 7.5f);
EXPECT_FLOAT_EQ(m4.Elements[3][3], 8.0f);
#endif
}
TEST(Division, QuaternionScalar)
{
hmm_quaternion q = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
float f = 2.0f;
{
hmm_quaternion result = HMM_DivideQuaternionF(q, f);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
EXPECT_FLOAT_EQ(result.W, 2.0f);
}
#ifdef __cplusplus
{
hmm_quaternion result = HMM_Divide(q, f);
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
EXPECT_FLOAT_EQ(result.W, 2.0f);
}
{
hmm_quaternion result = q / f;
EXPECT_FLOAT_EQ(result.X, 0.5f);
EXPECT_FLOAT_EQ(result.Y, 1.0f);
EXPECT_FLOAT_EQ(result.Z, 1.5f);
EXPECT_FLOAT_EQ(result.W, 2.0f);
}
q /= f;
EXPECT_FLOAT_EQ(q.X, 0.5f);
EXPECT_FLOAT_EQ(q.Y, 1.0f);
EXPECT_FLOAT_EQ(q.Z, 1.5f);
EXPECT_FLOAT_EQ(q.W, 2.0f);
#endif
}

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#include "../HandmadeTest.h"
TEST(Equality, Vec2)
{
hmm_vec2 a = HMM_Vec2(1.0f, 2.0f);
hmm_vec2 b = HMM_Vec2(1.0f, 2.0f);
hmm_vec2 c = HMM_Vec2(3.0f, 4.0f);
EXPECT_TRUE(HMM_EqualsVec2(a, b));
EXPECT_FALSE(HMM_EqualsVec2(a, c));
#ifdef __cplusplus
EXPECT_TRUE(HMM_Equals(a, b));
EXPECT_FALSE(HMM_Equals(a, c));
EXPECT_TRUE(a == b);
EXPECT_FALSE(a == c);
#endif
}
TEST(Equality, Vec3)
{
hmm_vec3 a = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 b = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 c = HMM_Vec3(4.0f, 5.0f, 6.0f);
EXPECT_TRUE(HMM_EqualsVec3(a, b));
EXPECT_FALSE(HMM_EqualsVec3(a, c));
#ifdef __cplusplus
EXPECT_TRUE(HMM_Equals(a, b));
EXPECT_FALSE(HMM_Equals(a, c));
EXPECT_TRUE(a == b);
EXPECT_FALSE(a == c);
#endif
}
TEST(Equality, Vec4)
{
hmm_vec4 a = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_vec4 b = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_vec4 c = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
EXPECT_TRUE(HMM_EqualsVec4(a, b));
EXPECT_FALSE(HMM_EqualsVec4(a, c));
#ifdef __cplusplus
EXPECT_TRUE(HMM_Equals(a, b));
EXPECT_FALSE(HMM_Equals(a, c));
EXPECT_TRUE(a == b);
EXPECT_FALSE(a == c);
#endif
}

207
test/categories/Initialization.h Normal file
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#include "../HandmadeTest.h"
TEST(Initialization, Vectors)
{
//
// Test vec2
//
hmm_vec2 v2 = HMM_Vec2(1.0f, 2.0f);
hmm_vec2 v2i = HMM_Vec2(1, 2);
EXPECT_FLOAT_EQ(v2.X, 1.0f);
EXPECT_FLOAT_EQ(v2.Y, 2.0f);
EXPECT_FLOAT_EQ(v2.U, 1.0f);
EXPECT_FLOAT_EQ(v2.V, 2.0f);
EXPECT_FLOAT_EQ(v2.Left, 1.0f);
EXPECT_FLOAT_EQ(v2.Right, 2.0f);
EXPECT_FLOAT_EQ(v2.Width, 1.0f);
EXPECT_FLOAT_EQ(v2.Height, 2.0f);
EXPECT_FLOAT_EQ(v2.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v2.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v2i.X, 1.0f);
EXPECT_FLOAT_EQ(v2i.Y, 2.0f);
EXPECT_FLOAT_EQ(v2i.U, 1.0f);
EXPECT_FLOAT_EQ(v2i.V, 2.0f);
EXPECT_FLOAT_EQ(v2i.Left, 1.0f);
EXPECT_FLOAT_EQ(v2i.Right, 2.0f);
EXPECT_FLOAT_EQ(v2i.Width, 1.0f);
EXPECT_FLOAT_EQ(v2i.Height, 2.0f);
EXPECT_FLOAT_EQ(v2i.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v2i.Elements[1], 2.0f);
//
// Test vec3
//
hmm_vec3 v3 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v3i = HMM_Vec3i(1, 2, 3);
EXPECT_FLOAT_EQ(v3.X, 1.0f);
EXPECT_FLOAT_EQ(v3.Y, 2.0f);
EXPECT_FLOAT_EQ(v3.Z, 3.0f);
EXPECT_FLOAT_EQ(v3.U, 1.0f);
EXPECT_FLOAT_EQ(v3.V, 2.0f);
EXPECT_FLOAT_EQ(v3.W, 3.0f);
EXPECT_FLOAT_EQ(v3.R, 1.0f);
EXPECT_FLOAT_EQ(v3.G, 2.0f);
EXPECT_FLOAT_EQ(v3.B, 3.0f);
EXPECT_FLOAT_EQ(v3.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v3.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v3.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(v3.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v3.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v3.YZ.Elements[0], 2.0f);
EXPECT_FLOAT_EQ(v3.YZ.Elements[1], 3.0f);
EXPECT_FLOAT_EQ(v3.UV.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v3.UV.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v3.VW.Elements[0], 2.0f);
EXPECT_FLOAT_EQ(v3.VW.Elements[1], 3.0f);
EXPECT_FLOAT_EQ(v3i.X, 1.0f);
EXPECT_FLOAT_EQ(v3i.Y, 2.0f);
EXPECT_FLOAT_EQ(v3i.Z, 3.0f);
EXPECT_FLOAT_EQ(v3i.U, 1.0f);
EXPECT_FLOAT_EQ(v3i.V, 2.0f);
EXPECT_FLOAT_EQ(v3i.W, 3.0f);
EXPECT_FLOAT_EQ(v3i.R, 1.0f);
EXPECT_FLOAT_EQ(v3i.G, 2.0f);
EXPECT_FLOAT_EQ(v3i.B, 3.0f);
EXPECT_FLOAT_EQ(v3i.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v3i.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v3i.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(v3i.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v3i.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v3i.YZ.Elements[0], 2.0f);
EXPECT_FLOAT_EQ(v3i.YZ.Elements[1], 3.0f);
EXPECT_FLOAT_EQ(v3i.UV.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v3i.UV.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v3i.VW.Elements[0], 2.0f);
EXPECT_FLOAT_EQ(v3i.VW.Elements[1], 3.0f);
//
// Test vec4
//
hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_vec4 v4i = HMM_Vec4i(1, 2, 3, 4);
hmm_vec4 v4v = HMM_Vec4v(v3, 4.0f);
EXPECT_FLOAT_EQ(v4.X, 1.0f);
EXPECT_FLOAT_EQ(v4.Y, 2.0f);
EXPECT_FLOAT_EQ(v4.Z, 3.0f);
EXPECT_FLOAT_EQ(v4.W, 4.0f);
EXPECT_FLOAT_EQ(v4.R, 1.0f);
EXPECT_FLOAT_EQ(v4.G, 2.0f);
EXPECT_FLOAT_EQ(v4.B, 3.0f);
EXPECT_FLOAT_EQ(v4.A, 4.0f);
EXPECT_FLOAT_EQ(v4.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4.YZ.Elements[0], 2.0f);
EXPECT_FLOAT_EQ(v4.YZ.Elements[1], 3.0f);
EXPECT_FLOAT_EQ(v4.ZW.Elements[0], 3.0f);
EXPECT_FLOAT_EQ(v4.ZW.Elements[1], 4.0f);
EXPECT_FLOAT_EQ(v4.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4.XYZ.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4.XYZ.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4.XYZ.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(v4.RGB.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4.RGB.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4.RGB.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(v4i.X, 1.0f);
EXPECT_FLOAT_EQ(v4i.Y, 2.0f);
EXPECT_FLOAT_EQ(v4i.Z, 3.0f);
EXPECT_FLOAT_EQ(v4i.W, 4.0f);
EXPECT_FLOAT_EQ(v4i.R, 1.0f);
EXPECT_FLOAT_EQ(v4i.G, 2.0f);
EXPECT_FLOAT_EQ(v4i.B, 3.0f);
EXPECT_FLOAT_EQ(v4i.A, 4.0f);
EXPECT_FLOAT_EQ(v4i.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4i.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4i.YZ.Elements[0], 2.0f);
EXPECT_FLOAT_EQ(v4i.YZ.Elements[1], 3.0f);
EXPECT_FLOAT_EQ(v4i.ZW.Elements[0], 3.0f);
EXPECT_FLOAT_EQ(v4i.ZW.Elements[1], 4.0f);
EXPECT_FLOAT_EQ(v4i.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4i.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4i.XYZ.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4i.XYZ.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4i.XYZ.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(v4i.RGB.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4i.RGB.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4i.RGB.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(v4v.X, 1.0f);
EXPECT_FLOAT_EQ(v4v.Y, 2.0f);
EXPECT_FLOAT_EQ(v4v.Z, 3.0f);
EXPECT_FLOAT_EQ(v4v.W, 4.0f);
EXPECT_FLOAT_EQ(v4v.R, 1.0f);
EXPECT_FLOAT_EQ(v4v.G, 2.0f);
EXPECT_FLOAT_EQ(v4v.B, 3.0f);
EXPECT_FLOAT_EQ(v4v.A, 4.0f);
EXPECT_FLOAT_EQ(v4v.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4v.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4v.YZ.Elements[0], 2.0f);
EXPECT_FLOAT_EQ(v4v.YZ.Elements[1], 3.0f);
EXPECT_FLOAT_EQ(v4v.ZW.Elements[0], 3.0f);
EXPECT_FLOAT_EQ(v4v.ZW.Elements[1], 4.0f);
EXPECT_FLOAT_EQ(v4v.XY.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4v.XY.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4v.XYZ.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4v.XYZ.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4v.XYZ.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(v4v.RGB.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(v4v.RGB.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(v4v.RGB.Elements[2], 3.0f);
}
TEST(Initialization, MatrixEmpty)
{
hmm_mat4 m4 = HMM_Mat4();
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(m4.Elements[Column][Row], 0.0f);
}
}
}
TEST(Initialization, MatrixDiagonal)
{
hmm_mat4 m4d = HMM_Mat4d(1.0f);
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
if (Column == Row) {
EXPECT_FLOAT_EQ(m4d.Elements[Column][Row], 1.0f);
} else {
EXPECT_FLOAT_EQ(m4d.Elements[Column][Row], 0.0f);
}
}
}
}
TEST(Initialization, Quaternion)
{
hmm_quaternion q = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
EXPECT_FLOAT_EQ(q.X, 1.0f);
EXPECT_FLOAT_EQ(q.Y, 2.0f);
EXPECT_FLOAT_EQ(q.Z, 3.0f);
EXPECT_FLOAT_EQ(q.W, 4.0f);
EXPECT_FLOAT_EQ(q.Elements[0], 1.0f);
EXPECT_FLOAT_EQ(q.Elements[1], 2.0f);
EXPECT_FLOAT_EQ(q.Elements[2], 3.0f);
EXPECT_FLOAT_EQ(q.Elements[3], 4.0f);
hmm_vec4 v = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_quaternion qv = HMM_QuaternionV4(v);
EXPECT_FLOAT_EQ(qv.X, 1.0f);
EXPECT_FLOAT_EQ(qv.Y, 2.0f);
EXPECT_FLOAT_EQ(qv.Z, 3.0f);
EXPECT_FLOAT_EQ(qv.W, 4.0f);
}

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#include "../HandmadeTest.h"
TEST(Multiplication, Vec2Vec2)
{
hmm_vec2 v2_1 = HMM_Vec2(1.0f, 2.0f);
hmm_vec2 v2_2 = HMM_Vec2(3.0f, 4.0f);
{
hmm_vec2 result = HMM_MultiplyVec2(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Multiply(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
}
{
hmm_vec2 result = v2_1 * v2_2;
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 8.0f);
}
v2_1 *= v2_2;
EXPECT_FLOAT_EQ(v2_1.X, 3.0f);
EXPECT_FLOAT_EQ(v2_1.Y, 8.0f);
#endif
}
TEST(Multiplication, Vec2Scalar)
{
hmm_vec2 v2 = HMM_Vec2(1.0f, 2.0f);
float s = 3.0f;
{
hmm_vec2 result = HMM_MultiplyVec2f(v2, s);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Multiply(v2, s);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
}
{
hmm_vec2 result = v2 * s;
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
}
{
hmm_vec2 result = s * v2;
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
}
v2 *= s;
EXPECT_FLOAT_EQ(v2.X, 3.0f);
EXPECT_FLOAT_EQ(v2.Y, 6.0f);
#endif
}
TEST(Multiplication, Vec3Vec3)
{
hmm_vec3 v3_1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v3_2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
{
hmm_vec3 result = HMM_MultiplyVec3(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, 4.0f);
EXPECT_FLOAT_EQ(result.Y, 10.0f);
EXPECT_FLOAT_EQ(result.Z, 18.0f);
}
#ifdef __cplusplus
{
hmm_vec3 result = HMM_Multiply(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, 4.0f);
EXPECT_FLOAT_EQ(result.Y, 10.0f);
EXPECT_FLOAT_EQ(result.Z, 18.0f);
}
{
hmm_vec3 result = v3_1 * v3_2;
EXPECT_FLOAT_EQ(result.X, 4.0f);
EXPECT_FLOAT_EQ(result.Y, 10.0f);
EXPECT_FLOAT_EQ(result.Z, 18.0f);
}
v3_1 *= v3_2;
EXPECT_FLOAT_EQ(v3_1.X, 4.0f);
EXPECT_FLOAT_EQ(v3_1.Y, 10.0f);
EXPECT_FLOAT_EQ(v3_1.Z, 18.0f);
#endif
}
TEST(Multiplication, Vec3Scalar)
{
hmm_vec3 v3 = HMM_Vec3(1.0f, 2.0f, 3.0f);
float s = 3.0f;
{
hmm_vec3 result = HMM_MultiplyVec3f(v3, s);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
}
#ifdef __cplusplus
{
hmm_vec3 result = HMM_Multiply(v3, s);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
}
{
hmm_vec3 result = v3 * s;
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
}
{
hmm_vec3 result = s * v3;
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
}
v3 *= s;
EXPECT_FLOAT_EQ(v3.X, 3.0f);
EXPECT_FLOAT_EQ(v3.Y, 6.0f);
EXPECT_FLOAT_EQ(v3.Z, 9.0f);
#endif
}
TEST(Multiplication, Vec4Vec4)
{
hmm_vec4 v4_1 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_vec4 v4_2 = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
{
hmm_vec4 result = HMM_MultiplyVec4(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, 5.0f);
EXPECT_FLOAT_EQ(result.Y, 12.0f);
EXPECT_FLOAT_EQ(result.Z, 21.0f);
EXPECT_FLOAT_EQ(result.W, 32.0f);
}
#ifdef __cplusplus
{
hmm_vec4 result = HMM_Multiply(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, 5.0f);
EXPECT_FLOAT_EQ(result.Y, 12.0f);
EXPECT_FLOAT_EQ(result.Z, 21.0f);
EXPECT_FLOAT_EQ(result.W, 32.0f);
}
{
hmm_vec4 result = v4_1 * v4_2;
EXPECT_FLOAT_EQ(result.X, 5.0f);
EXPECT_FLOAT_EQ(result.Y, 12.0f);
EXPECT_FLOAT_EQ(result.Z, 21.0f);
EXPECT_FLOAT_EQ(result.W, 32.0f);
}
v4_1 *= v4_2;
EXPECT_FLOAT_EQ(v4_1.X, 5.0f);
EXPECT_FLOAT_EQ(v4_1.Y, 12.0f);
EXPECT_FLOAT_EQ(v4_1.Z, 21.0f);
EXPECT_FLOAT_EQ(v4_1.W, 32.0f);
#endif
}
TEST(Multiplication, Vec4Scalar)
{
hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
float s = 3.0f;
{
hmm_vec4 result = HMM_MultiplyVec4f(v4, s);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
#ifdef __cplusplus
{
hmm_vec4 result = HMM_Multiply(v4, s);
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
{
hmm_vec4 result = v4 * s;
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
{
hmm_vec4 result = s * v4;
EXPECT_FLOAT_EQ(result.X, 3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, 9.0f);
EXPECT_FLOAT_EQ(result.W, 12.0f);
}
v4 *= s;
EXPECT_FLOAT_EQ(v4.X, 3.0f);
EXPECT_FLOAT_EQ(v4.Y, 6.0f);
EXPECT_FLOAT_EQ(v4.Z, 9.0f);
#endif
}
TEST(Multiplication, Mat4Mat4)
{
hmm_mat4 m4_1 = HMM_Mat4(); // will have 1 - 16
hmm_mat4 m4_2 = HMM_Mat4(); // will have 17 - 32
// Fill the matrices
int Counter = 1;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4_1.Elements[Column][Row] = Counter;
++Counter;
}
}
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4_2.Elements[Column][Row] = Counter;
++Counter;
}
}
// Test the results
{
hmm_mat4 result = HMM_MultiplyMat4(m4_1, m4_2);
EXPECT_FLOAT_EQ(result.Elements[0][0], 538.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 612.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 686.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 760.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 650.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 740.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 830.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 920.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 762.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 868.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 974.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 1080.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 874.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 996.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 1118.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 1240.0f);
}
#ifdef __cplusplus
{
hmm_mat4 result = HMM_Multiply(m4_1, m4_2);
EXPECT_FLOAT_EQ(result.Elements[0][0], 538.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 612.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 686.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 760.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 650.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 740.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 830.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 920.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 762.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 868.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 974.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 1080.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 874.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 996.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 1118.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 1240.0f);
}
{
hmm_mat4 result = m4_1 * m4_2;
EXPECT_FLOAT_EQ(result.Elements[0][0], 538.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 612.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 686.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 760.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 650.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 740.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 830.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 920.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 762.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 868.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 974.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 1080.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 874.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 996.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 1118.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 1240.0f);
}
// At the time I wrote this, I intentionally omitted
// the *= operator for matrices because matrix
// multiplication is not commutative. (bvisness)
#endif
}
TEST(Multiplication, Mat4Scalar)
{
hmm_mat4 m4 = HMM_Mat4(); // will have 1 - 16
float s = 3;
// Fill the matrix
int Counter = 1;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4.Elements[Column][Row] = Counter;
++Counter;
}
}
// Test the results
{
hmm_mat4 result = HMM_MultiplyMat4f(m4, s);
EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
}
#ifdef __cplusplus
{
hmm_mat4 result = HMM_Multiply(m4, s);
EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
}
{
hmm_mat4 result = m4 * s;
EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
}
{
hmm_mat4 result = s * m4;
EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
}
m4 *= s;
EXPECT_FLOAT_EQ(m4.Elements[0][0], 3.0f);
EXPECT_FLOAT_EQ(m4.Elements[0][1], 6.0f);
EXPECT_FLOAT_EQ(m4.Elements[0][2], 9.0f);
EXPECT_FLOAT_EQ(m4.Elements[0][3], 12.0f);
EXPECT_FLOAT_EQ(m4.Elements[1][0], 15.0f);
EXPECT_FLOAT_EQ(m4.Elements[1][1], 18.0f);
EXPECT_FLOAT_EQ(m4.Elements[1][2], 21.0f);
EXPECT_FLOAT_EQ(m4.Elements[1][3], 24.0f);
EXPECT_FLOAT_EQ(m4.Elements[2][0], 27.0f);
EXPECT_FLOAT_EQ(m4.Elements[2][1], 30.0f);
EXPECT_FLOAT_EQ(m4.Elements[2][2], 33.0f);
EXPECT_FLOAT_EQ(m4.Elements[2][3], 36.0f);
EXPECT_FLOAT_EQ(m4.Elements[3][0], 39.0f);
EXPECT_FLOAT_EQ(m4.Elements[3][1], 42.0f);
EXPECT_FLOAT_EQ(m4.Elements[3][2], 45.0f);
EXPECT_FLOAT_EQ(m4.Elements[3][3], 48.0f);
#endif
}
TEST(Multiplication, Mat4Vec4)
{
hmm_mat4 m4 = HMM_Mat4(); // will have 1 - 16
hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
// Fill the matrix
int Counter = 1;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4.Elements[Column][Row] = Counter;
++Counter;
}
}
// Test the results
{
hmm_vec4 result = HMM_MultiplyMat4ByVec4(m4, v4);
EXPECT_FLOAT_EQ(result.X, 90.0f);
EXPECT_FLOAT_EQ(result.Y, 100.0f);
EXPECT_FLOAT_EQ(result.Z, 110.0f);
EXPECT_FLOAT_EQ(result.W, 120.0f);
}
#ifdef __cplusplus
{
hmm_vec4 result = HMM_Multiply(m4, v4);
EXPECT_FLOAT_EQ(result.X, 90.0f);
EXPECT_FLOAT_EQ(result.Y, 100.0f);
EXPECT_FLOAT_EQ(result.Z, 110.0f);
EXPECT_FLOAT_EQ(result.W, 120.0f);
}
{
hmm_vec4 result = m4 * v4;
EXPECT_FLOAT_EQ(result.X, 90.0f);
EXPECT_FLOAT_EQ(result.Y, 100.0f);
EXPECT_FLOAT_EQ(result.Z, 110.0f);
EXPECT_FLOAT_EQ(result.W, 120.0f);
}
// *= makes no sense for this particular case.
#endif
}
TEST(Multiplication, QuaternionQuaternion)
{
hmm_quaternion q1 = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
hmm_quaternion q2 = HMM_Quaternion(5.0f, 6.0f, 7.0f, 8.0f);
{
hmm_quaternion result = HMM_MultiplyQuaternion(q1, q2);
EXPECT_FLOAT_EQ(result.X, 24.0f);
EXPECT_FLOAT_EQ(result.Y, 48.0f);
EXPECT_FLOAT_EQ(result.Z, 48.0f);
EXPECT_FLOAT_EQ(result.W, -6.0f);
}
#ifdef __cplusplus
{
hmm_quaternion result = HMM_Multiply(q1, q2);
EXPECT_FLOAT_EQ(result.X, 24.0f);
EXPECT_FLOAT_EQ(result.Y, 48.0f);
EXPECT_FLOAT_EQ(result.Z, 48.0f);
EXPECT_FLOAT_EQ(result.W, -6.0f);
}
{
hmm_quaternion result = q1 * q2;
EXPECT_FLOAT_EQ(result.X, 24.0f);
EXPECT_FLOAT_EQ(result.Y, 48.0f);
EXPECT_FLOAT_EQ(result.Z, 48.0f);
EXPECT_FLOAT_EQ(result.W, -6.0f);
}
// Like with matrices, we're not implementing the *=
// operator for quaternions because quaternion multiplication
// is not commutative.
#endif
}
TEST(Multiplication, QuaternionScalar)
{
hmm_quaternion q = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
float f = 2.0f;
{
hmm_quaternion result = HMM_MultiplyQuaternionF(q, f);
EXPECT_FLOAT_EQ(result.X, 2.0f);
EXPECT_FLOAT_EQ(result.Y, 4.0f);
EXPECT_FLOAT_EQ(result.Z, 6.0f);
EXPECT_FLOAT_EQ(result.W, 8.0f);
}
#ifdef __cplusplus
{
hmm_quaternion result = HMM_Multiply(q, f);
EXPECT_FLOAT_EQ(result.X, 2.0f);
EXPECT_FLOAT_EQ(result.Y, 4.0f);
EXPECT_FLOAT_EQ(result.Z, 6.0f);
EXPECT_FLOAT_EQ(result.W, 8.0f);
}
{
hmm_quaternion result = q * f;
EXPECT_FLOAT_EQ(result.X, 2.0f);
EXPECT_FLOAT_EQ(result.Y, 4.0f);
EXPECT_FLOAT_EQ(result.Z, 6.0f);
EXPECT_FLOAT_EQ(result.W, 8.0f);
}
{
hmm_quaternion result = f * q;
EXPECT_FLOAT_EQ(result.X, 2.0f);
EXPECT_FLOAT_EQ(result.Y, 4.0f);
EXPECT_FLOAT_EQ(result.Z, 6.0f);
EXPECT_FLOAT_EQ(result.W, 8.0f);
}
q *= f;
EXPECT_FLOAT_EQ(q.X, 2.0f);
EXPECT_FLOAT_EQ(q.Y, 4.0f);
EXPECT_FLOAT_EQ(q.Z, 6.0f);
EXPECT_FLOAT_EQ(q.W, 8.0f);
#endif
}

36
test/categories/Projection.h Normal file
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#include "../HandmadeTest.h"
TEST(Projection, Orthographic)
{
hmm_mat4 projection = HMM_Orthographic(-10.0f, 10.0f, -5.0f, 5.0f, 0.0f, -10.0f);
hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -5.0f);
hmm_vec4 projected = HMM_MultiplyMat4ByVec4(projection, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(projected.X, 0.5f);
EXPECT_FLOAT_EQ(projected.Y, 1.0f);
EXPECT_FLOAT_EQ(projected.Z, -2.0f);
EXPECT_FLOAT_EQ(projected.W, 1.0f);
}
TEST(Projection, Perspective)
{
hmm_mat4 projection = HMM_Perspective(90.0f, 2.0f, 5.0f, 15.0f);
{
hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -15.0f);
hmm_vec4 projected = HMM_MultiplyMat4ByVec4(projection, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(projected.X, 5.0f);
EXPECT_FLOAT_EQ(projected.Y, 10.0f);
EXPECT_FLOAT_EQ(projected.Z, 15.0f);
EXPECT_FLOAT_EQ(projected.W, 15.0f);
}
{
hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -5.0f);
hmm_vec4 projected = HMM_MultiplyMat4ByVec4(projection, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(projected.X, 5.0f);
EXPECT_FLOAT_EQ(projected.Y, 10.0f);
EXPECT_FLOAT_EQ(projected.Z, -5.0f);
EXPECT_FLOAT_EQ(projected.W, 5.0f);
}
}

118
test/categories/QuaternionOps.h Normal file
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#include "../HandmadeTest.h"
TEST(QuaternionOps, Inverse)
{
hmm_quaternion q1 = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
hmm_quaternion inverse = HMM_InverseQuaternion(q1);
hmm_quaternion result = HMM_MultiplyQuaternion(q1, inverse);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
EXPECT_FLOAT_EQ(result.Z, 0.0f);
EXPECT_FLOAT_EQ(result.W, 1.0f);
}
TEST(QuaternionOps, Dot)
{
hmm_quaternion q1 = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
hmm_quaternion q2 = HMM_Quaternion(5.0f, 6.0f, 7.0f, 8.0f);
{
float result = HMM_DotQuaternion(q1, q2);
EXPECT_FLOAT_EQ(result, 70.0f);
}
#ifdef __cplusplus
{
float result = HMM_Dot(q1, q2);
EXPECT_FLOAT_EQ(result, 70.0f);
}
#endif
}
TEST(QuaternionOps, Normalize)
{
hmm_quaternion q = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
{
hmm_quaternion result = HMM_NormalizeQuaternion(q);
EXPECT_FLOAT_EQ(result.X, 0.1825741858f);
EXPECT_FLOAT_EQ(result.Y, 0.3651483717f);
EXPECT_FLOAT_EQ(result.Z, 0.5477225575f);
EXPECT_FLOAT_EQ(result.W, 0.7302967433f);
}
#ifdef __cplusplus
{
hmm_quaternion result = HMM_Normalize(q);
EXPECT_FLOAT_EQ(result.X, 0.1825741858f);
EXPECT_FLOAT_EQ(result.Y, 0.3651483717f);
EXPECT_FLOAT_EQ(result.Z, 0.5477225575f);
EXPECT_FLOAT_EQ(result.W, 0.7302967433f);
}
#endif
}
TEST(QuaternionOps, NLerp)
{
hmm_quaternion from = HMM_Quaternion(0.0f, 0.0f, 0.0f, 1.0f);
hmm_quaternion to = HMM_Quaternion(0.5f, 0.5f, -0.5f, 0.5f);
hmm_quaternion result = HMM_NLerp(from, 0.5f, to);
EXPECT_FLOAT_EQ(result.X, 0.28867513f);
EXPECT_FLOAT_EQ(result.Y, 0.28867513f);
EXPECT_FLOAT_EQ(result.Z, -0.28867513f);
EXPECT_FLOAT_EQ(result.W, 0.86602540f);
}
TEST(QuaternionOps, Slerp)
{
hmm_quaternion from = HMM_Quaternion(0.0f, 0.0f, 0.0f, 1.0f);
hmm_quaternion to = HMM_Quaternion(0.5f, 0.5f, -0.5f, 0.5f);
hmm_quaternion result = HMM_Slerp(from, 0.5f, to);
EXPECT_FLOAT_EQ(result.X, 0.28867513f);
EXPECT_FLOAT_EQ(result.Y, 0.28867513f);
EXPECT_FLOAT_EQ(result.Z, -0.28867513f);
EXPECT_FLOAT_EQ(result.W, 0.86602540f);
}
TEST(QuaternionOps, ToMat4)
{
const float abs_error = 0.0001f;
hmm_quaternion rot = HMM_Quaternion(0.707107f, 0.0f, 0.0f, 0.707107f);
hmm_mat4 result = HMM_QuaternionToMat4(rot);
EXPECT_NEAR(result.Elements[0][0], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[0][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][2], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[1][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][1], -1.0f, abs_error);
EXPECT_NEAR(result.Elements[2][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][3], 1.0f, abs_error);
}
TEST(QuaternionOps, FromAxisAngle)
{
hmm_vec3 axis = HMM_Vec3(1.0f, 0.0f, 0.0f);
float angle = HMM_PI32 / 2.0f;
hmm_quaternion result = HMM_QuaternionFromAxisAngle(axis, angle);
EXPECT_NEAR(result.X, 0.707107f, FLT_EPSILON * 2);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
EXPECT_FLOAT_EQ(result.Z, 0.0f);
EXPECT_NEAR(result.W, 0.707107f, FLT_EPSILON * 2);
}

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#include "../HandmadeTest.h"
#ifdef HANDMADE_MATH__USE_SSE
TEST(SSE, LinearCombine)
{
hmm_mat4 MatrixOne = HMM_Mat4d(2.0f);
hmm_mat4 MatrixTwo = HMM_Mat4d(4.0f);
hmm_mat4 Result;
Result.Rows[0] = HMM_LinearCombineSSE(MatrixOne.Rows[0], MatrixTwo);
Result.Rows[1] = HMM_LinearCombineSSE(MatrixOne.Rows[1], MatrixTwo);
Result.Rows[2] = HMM_LinearCombineSSE(MatrixOne.Rows[2], MatrixTwo);
Result.Rows[3] = HMM_LinearCombineSSE(MatrixOne.Rows[3], MatrixTwo);
{
EXPECT_FLOAT_EQ(Result.Elements[0][0], 8.0f);
EXPECT_FLOAT_EQ(Result.Elements[0][1], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[0][2], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[0][3], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[1][0], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[1][1], 8.0f);
EXPECT_FLOAT_EQ(Result.Elements[1][2], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[1][3], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[2][0], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[2][1], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[2][2], 8.0f);
EXPECT_FLOAT_EQ(Result.Elements[2][3], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[3][0], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[3][1], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[3][2], 0.0f);
EXPECT_FLOAT_EQ(Result.Elements[3][3], 8.0f);
}
}
#endif

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#include "../HandmadeTest.h"
TEST(ScalarMath, Trigonometry)
{
// We have to be a little looser with our equality constraint
// because of floating-point precision issues.
const float trigAbsError = 0.0001f;
EXPECT_NEAR(HMM_SinF(0.0f), 0.0f, trigAbsError);
EXPECT_NEAR(HMM_SinF(HMM_PI32 / 2), 1.0f, trigAbsError);
EXPECT_NEAR(HMM_SinF(HMM_PI32), 0.0f, trigAbsError);
EXPECT_NEAR(HMM_SinF(3 * HMM_PI32 / 2), -1.0f, trigAbsError);
EXPECT_NEAR(HMM_SinF(-HMM_PI32 / 2), -1.0f, trigAbsError);
EXPECT_NEAR(HMM_CosF(0.0f), 1.0f, trigAbsError);
EXPECT_NEAR(HMM_CosF(HMM_PI32 / 2), 0.0f, trigAbsError);
EXPECT_NEAR(HMM_CosF(HMM_PI32), -1.0f, trigAbsError);
EXPECT_NEAR(HMM_CosF(3 * HMM_PI32 / 2), 0.0f, trigAbsError);
EXPECT_NEAR(HMM_CosF(-HMM_PI32), -1.0f, trigAbsError);
EXPECT_NEAR(HMM_TanF(0.0f), 0.0f, trigAbsError);
EXPECT_NEAR(HMM_TanF(HMM_PI32 / 4), 1.0f, trigAbsError);
EXPECT_NEAR(HMM_TanF(3 * HMM_PI32 / 4), -1.0f, trigAbsError);
EXPECT_NEAR(HMM_TanF(HMM_PI32), 0.0f, trigAbsError);
EXPECT_NEAR(HMM_TanF(-HMM_PI32 / 4), -1.0f, trigAbsError);
// This isn't the most rigorous because we're really just sanity-
// checking that things work by default.
}
TEST(ScalarMath, ToRadians)
{
EXPECT_FLOAT_EQ(HMM_ToRadians(0.0f), 0.0f);
EXPECT_FLOAT_EQ(HMM_ToRadians(180.0f), HMM_PI32);
EXPECT_FLOAT_EQ(HMM_ToRadians(-180.0f), -HMM_PI32);
}
TEST(ScalarMath, SquareRoot)
{
EXPECT_FLOAT_EQ(HMM_SquareRootF(16.0f), 4.0f);
}
TEST(ScalarMath, RSquareRootF)
{
EXPECT_NEAR(HMM_RSquareRootF(10.0f), 0.31616211f, 0.0001f);
}
TEST(ScalarMath, Power)
{
EXPECT_FLOAT_EQ(HMM_Power(2.0f, 0), 1.0f);
EXPECT_FLOAT_EQ(HMM_Power(2.0f, 4), 16.0f);
EXPECT_FLOAT_EQ(HMM_Power(2.0f, -2), 0.25f);
}
TEST(ScalarMath, PowerF)
{
EXPECT_FLOAT_EQ(HMM_PowerF(2.0f, 0), 1.0f);
EXPECT_NEAR(HMM_PowerF(2.0f, 4.1), 17.148376f, 0.0001f);
EXPECT_NEAR(HMM_PowerF(2.0f, -2.5), 0.176777f, 0.0001f);
}
TEST(ScalarMath, Lerp)
{
EXPECT_FLOAT_EQ(HMM_Lerp(-2.0f, 0.0f, 2.0f), -2.0f);
EXPECT_FLOAT_EQ(HMM_Lerp(-2.0f, 0.5f, 2.0f), 0.0f);
EXPECT_FLOAT_EQ(HMM_Lerp(-2.0f, 1.0f, 2.0f), 2.0f);
}
TEST(ScalarMath, Clamp)
{
EXPECT_FLOAT_EQ(HMM_Clamp(-2.0f, 0.0f, 2.0f), 0.0f);
EXPECT_FLOAT_EQ(HMM_Clamp(-2.0f, -3.0f, 2.0f), -2.0f);
EXPECT_FLOAT_EQ(HMM_Clamp(-2.0f, 3.0f, 2.0f), 2.0f);
}

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#include "../HandmadeTest.h"
TEST(Subtraction, Vec2)
{
hmm_vec2 v2_1 = HMM_Vec2(1.0f, 2.0f);
hmm_vec2 v2_2 = HMM_Vec2(3.0f, 4.0f);
{
hmm_vec2 result = HMM_SubtractVec2(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, -2.0f);
EXPECT_FLOAT_EQ(result.Y, -2.0f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Subtract(v2_1, v2_2);
EXPECT_FLOAT_EQ(result.X, -2.0f);
EXPECT_FLOAT_EQ(result.Y, -2.0f);
}
{
hmm_vec2 result = v2_1 - v2_2;
EXPECT_FLOAT_EQ(result.X, -2.0f);
EXPECT_FLOAT_EQ(result.Y, -2.0f);
}
v2_1 -= v2_2;
EXPECT_FLOAT_EQ(v2_1.X, -2.0f);
EXPECT_FLOAT_EQ(v2_1.Y, -2.0f);
#endif
}
TEST(Subtraction, Vec3)
{
hmm_vec3 v3_1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v3_2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
{
hmm_vec3 result = HMM_SubtractVec3(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, -3.0f);
EXPECT_FLOAT_EQ(result.Y, -3.0f);
EXPECT_FLOAT_EQ(result.Z, -3.0f);
}
#ifdef __cplusplus
{
hmm_vec3 result = HMM_Subtract(v3_1, v3_2);
EXPECT_FLOAT_EQ(result.X, -3.0f);
EXPECT_FLOAT_EQ(result.Y, -3.0f);
EXPECT_FLOAT_EQ(result.Z, -3.0f);
}
{
hmm_vec3 result = v3_1 - v3_2;
EXPECT_FLOAT_EQ(result.X, -3.0f);
EXPECT_FLOAT_EQ(result.Y, -3.0f);
EXPECT_FLOAT_EQ(result.Z, -3.0f);
}
v3_1 -= v3_2;
EXPECT_FLOAT_EQ(v3_1.X, -3.0f);
EXPECT_FLOAT_EQ(v3_1.Y, -3.0f);
EXPECT_FLOAT_EQ(v3_1.Z, -3.0f);
#endif
}
TEST(Subtraction, Vec4)
{
hmm_vec4 v4_1 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_vec4 v4_2 = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
{
hmm_vec4 result = HMM_SubtractVec4(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, -4.0f);
EXPECT_FLOAT_EQ(result.Y, -4.0f);
EXPECT_FLOAT_EQ(result.Z, -4.0f);
EXPECT_FLOAT_EQ(result.W, -4.0f);
}
#ifdef __cplusplus
{
hmm_vec4 result = HMM_Subtract(v4_1, v4_2);
EXPECT_FLOAT_EQ(result.X, -4.0f);
EXPECT_FLOAT_EQ(result.Y, -4.0f);
EXPECT_FLOAT_EQ(result.Z, -4.0f);
EXPECT_FLOAT_EQ(result.W, -4.0f);
}
{
hmm_vec4 result = v4_1 - v4_2;
EXPECT_FLOAT_EQ(result.X, -4.0f);
EXPECT_FLOAT_EQ(result.Y, -4.0f);
EXPECT_FLOAT_EQ(result.Z, -4.0f);
EXPECT_FLOAT_EQ(result.W, -4.0f);
}
v4_1 -= v4_2;
EXPECT_FLOAT_EQ(v4_1.X, -4.0f);
EXPECT_FLOAT_EQ(v4_1.Y, -4.0f);
EXPECT_FLOAT_EQ(v4_1.Z, -4.0f);
EXPECT_FLOAT_EQ(v4_1.W, -4.0f);
#endif
}
TEST(Subtraction, Mat4)
{
hmm_mat4 m4_1 = HMM_Mat4(); // will have 1 - 16
hmm_mat4 m4_2 = HMM_Mat4(); // will have 17 - 32
// Fill the matrices
int Counter = 1;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4_1.Elements[Column][Row] = Counter;
++Counter;
}
}
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4_2.Elements[Column][Row] = Counter;
++Counter;
}
}
// Test the results
{
hmm_mat4 result = HMM_SubtractMat4(m4_1, m4_2);
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(result.Elements[Column][Row], -16.0f);
}
}
}
#ifdef __cplusplus
{
hmm_mat4 result = HMM_Subtract(m4_1, m4_2);
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(result.Elements[Column][Row], -16.0f);
}
}
}
{
hmm_mat4 result = m4_1 - m4_2;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(result.Elements[Column][Row], -16.0f);
}
}
}
m4_1 -= m4_2;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
EXPECT_FLOAT_EQ(m4_1.Elements[Column][Row], -16.0f);
}
}
#endif
}
TEST(Subtraction, Quaternion)
{
hmm_quaternion q1 = HMM_Quaternion(1.0f, 2.0f, 3.0f, 4.0f);
hmm_quaternion q2 = HMM_Quaternion(5.0f, 6.0f, 7.0f, 8.0f);
{
hmm_quaternion result = HMM_SubtractQuaternion(q1, q2);
EXPECT_FLOAT_EQ(result.X, -4.0f);
EXPECT_FLOAT_EQ(result.Y, -4.0f);
EXPECT_FLOAT_EQ(result.Z, -4.0f);
EXPECT_FLOAT_EQ(result.W, -4.0f);
}
#ifdef __cplusplus
{
hmm_quaternion result = HMM_Subtract(q1, q2);
EXPECT_FLOAT_EQ(result.X, -4.0f);
EXPECT_FLOAT_EQ(result.Y, -4.0f);
EXPECT_FLOAT_EQ(result.Z, -4.0f);
EXPECT_FLOAT_EQ(result.W, -4.0f);
}
{
hmm_quaternion result = q1 - q2;
EXPECT_FLOAT_EQ(result.X, -4.0f);
EXPECT_FLOAT_EQ(result.Y, -4.0f);
EXPECT_FLOAT_EQ(result.Z, -4.0f);
EXPECT_FLOAT_EQ(result.W, -4.0f);
}
q1 -= q2;
EXPECT_FLOAT_EQ(q1.X, -4.0f);
EXPECT_FLOAT_EQ(q1.Y, -4.0f);
EXPECT_FLOAT_EQ(q1.Z, -4.0f);
EXPECT_FLOAT_EQ(q1.W, -4.0f);
#endif
}

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#include "../HandmadeTest.h"
TEST(Transformations, Translate)
{
hmm_mat4 translate = HMM_Translate(HMM_Vec3(1.0f, -3.0f, 6.0f));
hmm_vec3 original = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec4 translated = HMM_MultiplyMat4ByVec4(translate, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(translated.X, 2.0f);
EXPECT_FLOAT_EQ(translated.Y, -1.0f);
EXPECT_FLOAT_EQ(translated.Z, 9.0f);
EXPECT_FLOAT_EQ(translated.W, 1.0f);
}
TEST(Transformations, Rotate)
{
hmm_vec3 original = HMM_Vec3(1.0f, 1.0f, 1.0f);
hmm_mat4 rotateX = HMM_Rotate(90, HMM_Vec3(1, 0, 0));
hmm_vec4 rotatedX = HMM_MultiplyMat4ByVec4(rotateX, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(rotatedX.X, 1.0f);
EXPECT_FLOAT_EQ(rotatedX.Y, -1.0f);
EXPECT_FLOAT_EQ(rotatedX.Z, 1.0f);
EXPECT_FLOAT_EQ(rotatedX.W, 1.0f);
hmm_mat4 rotateY = HMM_Rotate(90, HMM_Vec3(0, 1, 0));
hmm_vec4 rotatedY = HMM_MultiplyMat4ByVec4(rotateY, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(rotatedY.X, 1.0f);
EXPECT_FLOAT_EQ(rotatedY.Y, 1.0f);
EXPECT_FLOAT_EQ(rotatedY.Z, -1.0f);
EXPECT_FLOAT_EQ(rotatedY.W, 1.0f);
hmm_mat4 rotateZ = HMM_Rotate(90, HMM_Vec3(0, 0, 1));
hmm_vec4 rotatedZ = HMM_MultiplyMat4ByVec4(rotateZ, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(rotatedZ.X, -1.0f);
EXPECT_FLOAT_EQ(rotatedZ.Y, 1.0f);
EXPECT_FLOAT_EQ(rotatedZ.Z, 1.0f);
EXPECT_FLOAT_EQ(rotatedZ.W, 1.0f);
}
TEST(Transformations, Scale)
{
hmm_mat4 scale = HMM_Scale(HMM_Vec3(2.0f, -3.0f, 0.5f));
hmm_vec3 original = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec4 scaled = HMM_MultiplyMat4ByVec4(scale, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(scaled.X, 2.0f);
EXPECT_FLOAT_EQ(scaled.Y, -6.0f);
EXPECT_FLOAT_EQ(scaled.Z, 1.5f);
EXPECT_FLOAT_EQ(scaled.W, 1.0f);
}

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#include "../HandmadeTest.h"
TEST(VectorOps, LengthSquared)
{
hmm_vec2 v2 = HMM_Vec2(1.0f, -2.0f);
hmm_vec3 v3 = HMM_Vec3(1.0f, -2.0f, 3.0f);
hmm_vec4 v4 = HMM_Vec4(1.0f, -2.0f, 3.0f, 1.0f);
EXPECT_FLOAT_EQ(HMM_LengthSquaredVec2(v2), 5.0f);
EXPECT_FLOAT_EQ(HMM_LengthSquaredVec3(v3), 14.0f);
EXPECT_FLOAT_EQ(HMM_LengthSquaredVec4(v4), 15.0f);
#ifdef __cplusplus
EXPECT_FLOAT_EQ(HMM_LengthSquared(v2), 5.0f);
EXPECT_FLOAT_EQ(HMM_LengthSquared(v3), 14.0f);
EXPECT_FLOAT_EQ(HMM_LengthSquared(v4), 15.0f);
#endif
}
TEST(VectorOps, Length)
{
hmm_vec2 v2 = HMM_Vec2(1.0f, -9.0f);
hmm_vec3 v3 = HMM_Vec3(2.0f, -3.0f, 6.0f);
hmm_vec4 v4 = HMM_Vec4(2.0f, -3.0f, 6.0f, 12.0f);
EXPECT_FLOAT_EQ(HMM_LengthVec2(v2), 9.0553856f);
EXPECT_FLOAT_EQ(HMM_LengthVec3(v3), 7.0f);
EXPECT_FLOAT_EQ(HMM_LengthVec4(v4), 13.892444f);
#ifdef __cplusplus
EXPECT_FLOAT_EQ(HMM_Length(v2), 9.0553856f);
EXPECT_FLOAT_EQ(HMM_Length(v3), 7.0f);
EXPECT_FLOAT_EQ(HMM_Length(v4), 13.892444f);
#endif
}
TEST(VectorOps, Normalize)
{
hmm_vec2 v2 = HMM_Vec2(1.0f, -2.0f);
hmm_vec3 v3 = HMM_Vec3(1.0f, -2.0f, 3.0f);
hmm_vec4 v4 = HMM_Vec4(1.0f, -2.0f, 3.0f, -1.0f);
{
hmm_vec2 result = HMM_NormalizeVec2(v2);
EXPECT_FLOAT_EQ(HMM_LengthVec2(result), 1.0f);
EXPECT_GT(result.X, 0.0f);
EXPECT_LT(result.Y, 0.0f);
}
{
hmm_vec3 result = HMM_NormalizeVec3(v3);
EXPECT_FLOAT_EQ(HMM_LengthVec3(result), 1.0f);
EXPECT_GT(result.X, 0.0f);
EXPECT_LT(result.Y, 0.0f);
EXPECT_GT(result.Z, 0.0f);
}
{
hmm_vec4 result = HMM_NormalizeVec4(v4);
EXPECT_FLOAT_EQ(HMM_LengthVec4(result), 1.0f);
EXPECT_GT(result.X, 0.0f);
EXPECT_LT(result.Y, 0.0f);
EXPECT_GT(result.Z, 0.0f);
EXPECT_LT(result.W, 0.0f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Normalize(v2);
EXPECT_FLOAT_EQ(HMM_LengthVec2(result), 1.0f);
EXPECT_GT(result.X, 0.0f);
EXPECT_LT(result.Y, 0.0f);
}
{
hmm_vec3 result = HMM_Normalize(v3);
EXPECT_FLOAT_EQ(HMM_LengthVec3(result), 1.0f);
EXPECT_GT(result.X, 0.0f);
EXPECT_LT(result.Y, 0.0f);
EXPECT_GT(result.Z, 0.0f);
}
{
hmm_vec4 result = HMM_Normalize(v4);
EXPECT_FLOAT_EQ(HMM_LengthVec4(result), 1.0f);
EXPECT_GT(result.X, 0.0f);
EXPECT_LT(result.Y, 0.0f);
EXPECT_GT(result.Z, 0.0f);
EXPECT_LT(result.W, 0.0f);
}
#endif
}
TEST(VectorOps, NormalizeZero)
{
hmm_vec2 v2 = HMM_Vec2(0.0f, 0.0f);
hmm_vec3 v3 = HMM_Vec3(0.0f, 0.0f, 0.0f);
hmm_vec4 v4 = HMM_Vec4(0.0f, 0.0f, 0.0f, 0.0f);
{
hmm_vec2 result = HMM_NormalizeVec2(v2);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
}
{
hmm_vec3 result = HMM_NormalizeVec3(v3);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
EXPECT_FLOAT_EQ(result.Z, 0.0f);
}
{
hmm_vec4 result = HMM_NormalizeVec4(v4);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
EXPECT_FLOAT_EQ(result.Z, 0.0f);
EXPECT_FLOAT_EQ(result.W, 0.0f);
}
#ifdef __cplusplus
{
hmm_vec2 result = HMM_Normalize(v2);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
}
{
hmm_vec3 result = HMM_Normalize(v3);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
EXPECT_FLOAT_EQ(result.Z, 0.0f);
}
{
hmm_vec4 result = HMM_Normalize(v4);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
EXPECT_FLOAT_EQ(result.Z, 0.0f);
EXPECT_FLOAT_EQ(result.W, 0.0f);
}
#endif
}
TEST(VectorOps, Cross)
{
hmm_vec3 v1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
hmm_vec3 result = HMM_Cross(v1, v2);
EXPECT_FLOAT_EQ(result.X, -3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, -3.0f);
}
TEST(VectorOps, DotVec2)
{
hmm_vec2 v1 = HMM_Vec2(1.0f, 2.0f);
hmm_vec2 v2 = HMM_Vec2(3.0f, 4.0f);
EXPECT_FLOAT_EQ(HMM_DotVec2(v1, v2), 11.0f);
#ifdef __cplusplus
EXPECT_FLOAT_EQ(HMM_Dot(v1, v2), 11.0f);
#endif
}
TEST(VectorOps, DotVec3)
{
hmm_vec3 v1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
EXPECT_FLOAT_EQ(HMM_DotVec3(v1, v2), 32.0f);
#ifdef __cplusplus
EXPECT_FLOAT_EQ(HMM_Dot(v1, v2), 32.0f);
#endif
}
TEST(VectorOps, DotVec4)
{
hmm_vec4 v1 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
hmm_vec4 v2 = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
EXPECT_FLOAT_EQ(HMM_DotVec4(v1, v2), 70.0f);
#ifdef __cplusplus
EXPECT_FLOAT_EQ(HMM_Dot(v1, v2), 70.0f);
#endif
}
/*
* MatrixOps tests
*/
TEST(MatrixOps, Transpose)
{
hmm_mat4 m4 = HMM_Mat4(); // will have 1 - 16
// Fill the matrix
int Counter = 1;
for (int Column = 0; Column < 4; ++Column)
{
for (int Row = 0; Row < 4; ++Row)
{
m4.Elements[Column][Row] = Counter;
++Counter;
}
}
// Test the matrix
hmm_mat4 result = HMM_Transpose(m4);
EXPECT_FLOAT_EQ(result.Elements[0][0], 1.0f);
EXPECT_FLOAT_EQ(result.Elements[0][1], 5.0f);
EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
EXPECT_FLOAT_EQ(result.Elements[0][3], 13.0f);
EXPECT_FLOAT_EQ(result.Elements[1][0], 2.0f);
EXPECT_FLOAT_EQ(result.Elements[1][1], 6.0f);
EXPECT_FLOAT_EQ(result.Elements[1][2], 10.0f);
EXPECT_FLOAT_EQ(result.Elements[1][3], 14.0f);
EXPECT_FLOAT_EQ(result.Elements[2][0], 3.0f);
EXPECT_FLOAT_EQ(result.Elements[2][1], 7.0f);
EXPECT_FLOAT_EQ(result.Elements[2][2], 11.0f);
EXPECT_FLOAT_EQ(result.Elements[2][3], 15.0f);
EXPECT_FLOAT_EQ(result.Elements[3][0], 4.0f);
EXPECT_FLOAT_EQ(result.Elements[3][1], 8.0f);
EXPECT_FLOAT_EQ(result.Elements[3][2], 12.0f);
EXPECT_FLOAT_EQ(result.Elements[3][3], 16.0f);
}

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test/hmm_test.c
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17
test/hmm_test.h Normal file
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#include <float.h>
#include "HandmadeTest.h"
#include "../HandmadeMath.h"
#include "categories/ScalarMath.h"
#include "categories/Initialization.h"
#include "categories/VectorOps.h"
#include "categories/QuaternionOps.h"
#include "categories/Addition.h"
#include "categories/Subtraction.h"
#include "categories/Multiplication.h"
#include "categories/Division.h"
#include "categories/Equality.h"
#include "categories/Projection.h"
#include "categories/Transformation.h"
#include "categories/SSE.h"

29
test/initializer.h Normal file
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// Initializer/finalizer sample for MSVC and GCC/Clang.
// 2010-2016 Joe Lowe. Released into the public domain.
#include <stdio.h>
#include <stdlib.h>
#ifdef __cplusplus
#define _INITIALIZER_T(f) f##_t_
#define _INITIALIZER_U(f) f##_
#define INITIALIZER(f) \
static void f(void); \
struct _INITIALIZER_T(f) { _INITIALIZER_T(f)(void) { f(); } }; static _INITIALIZER_T(f) _INITIALIZER_U(f); \
static void f(void)
#elif defined(_MSC_VER)
#pragma section(".CRT$XCU",read)
#define INITIALIZER2_(f,p) \
static void f(void); \
__declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \
__pragma(comment(linker,"/include:" p #f "_")) \
static void f(void)
#ifdef _WIN64
#define INITIALIZER(f) INITIALIZER2_(f,"")
#else
#define INITIALIZER(f) INITIALIZER2_(f,"_")
#endif
#else
#define INITIALIZER(f) \
static void f(void) __attribute__((constructor)); \
static void f(void)
#endif