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cf083af262
* tests/assert/tassert_c.nim: explicitly enable stack traces * tests/errmsgs: explicitly enable stack traces
143 lines
3.0 KiB
Nim
143 lines
3.0 KiB
Nim
discard """
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matrix: "--stackTrace:on --hint:all:off --warnings:off"
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output: '''ok'''
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"""
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import strscans, strutils
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proc raiseTestException*() =
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raise newException(Exception, "test")
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proc matchStackTrace(actualEntries: openArray[StackTraceEntry], expected: string) =
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var expectedEntries = newSeq[StackTraceEntry]()
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var i = 0
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template checkEqual(actual, expected: typed, subject: string) =
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if actual != expected:
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echo "Unexpected ", subject, " on line ", i
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echo "Actual: ", actual
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echo "Expected: ", expected
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doAssert(false)
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for l in splitLines(expected.strip):
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var procname, filename: string
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var line: int
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if not scanf(l, "$s$w.nim($i) $w", filename, line, procname):
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doAssert(false, "Wrong expected stack trace")
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checkEqual(actualEntries[i].filename.`$`.split('/')[^1], filename & ".nim", "file name")
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if line != 0:
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checkEqual(actualEntries[i].line, line, "line number")
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checkEqual($actualEntries[i].procname, procname, "proc name")
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inc i
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doAssert(i == actualEntries.len, "Unexpected number of lines in stack trace")
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template verifyStackTrace*(expectedStackTrace: string, body: untyped) =
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var verified = false
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try:
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body
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except Exception as e:
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verified = true
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# echo "Stack trace:"
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# echo e.getStackTrace
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matchStackTrace(e.getStackTraceEntries(), expectedStackTrace)
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doAssert(verified, "No exception was raised")
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when true:
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# <-- Align with line 70 in the text editor
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block:
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proc bar() =
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raiseTestException()
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proc foo() =
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bar()
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const expectedStackTrace = """
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tproper_stacktrace.nim(87) tproper_stacktrace
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tproper_stacktrace.nim(77) foo
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tproper_stacktrace.nim(74) bar
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tproper_stacktrace.nim(8) raiseTestException
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"""
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verifyStackTrace expectedStackTrace:
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foo()
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block:
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proc bar(x: int) =
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raiseTestException()
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template foo(x: int) =
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bar(x)
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const expectedStackTrace = """
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tproper_stacktrace.nim(104) tproper_stacktrace
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tproper_stacktrace.nim(91) bar
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tproper_stacktrace.nim(8) raiseTestException
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"""
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verifyStackTrace expectedStackTrace:
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var x: int
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foo(x)
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block: #6803
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proc bar(x = 500) =
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raiseTestException()
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proc foo() =
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bar()
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const expectedStackTrace = """
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tproper_stacktrace.nim(121) tproper_stacktrace
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tproper_stacktrace.nim(111) foo
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tproper_stacktrace.nim(108) bar
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tproper_stacktrace.nim(8) raiseTestException
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"""
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verifyStackTrace expectedStackTrace:
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foo()
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block:
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proc bar() {.stackTrace: off.} =
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proc baz() = # Stack trace should be enabled
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raiseTestException()
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baz()
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proc foo() =
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bar()
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const expectedStackTrace = """
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tproper_stacktrace.nim(140) tproper_stacktrace
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tproper_stacktrace.nim(130) foo
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tproper_stacktrace.nim(126) baz
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tproper_stacktrace.nim(8) raiseTestException
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"""
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verifyStackTrace expectedStackTrace:
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foo()
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echo "ok"
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