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