discard """ output: ''' test1:ok test2:ok test3:ok test4:ok test5:ok test6:ok test7:ok -1 tfailedassert.nim test8:ok test9:ok test10:ok test11:ok ''' """ import testhelper type TLineInfo = tuple[filename: string, line: int, column: int] TMyError = object of Exception lineinfo: TLineInfo EMyError = ref TMyError echo("") # NOTE: when entering newlines, adjust `expectedEnd` outputs try: doAssert(false, "msg1") # doAssert test except AssertionError as e: checkMsg(e.msg, "tfailedassert.nim(30, 11) `false` msg1", "test1") try: assert false, "msg2" # assert test except AssertionError as e: checkMsg(e.msg, "tfailedassert.nim(35, 10) `false` msg2", "test2") try: assert false # assert test with no msg except AssertionError as e: checkMsg(e.msg, "tfailedassert.nim(40, 10) `false` ", "test3") try: let a = 1 doAssert(a+a==1) # assert test with Ast expression # BUG: const folding would make "1+1==1" appear as `false` in # assert message except AssertionError as e: checkMsg(e.msg, "`a + a == 1` ", "test4") try: let a = 1 doAssert a+a==1 # ditto with `doAssert` and no parens except AssertionError as e: checkMsg(e.msg, "`a + a == 1` ", "test5") proc fooStatic() = # protect against https://github.com/nim-lang/Nim/issues/8758 static: doAssert(true) fooStatic() block: # scope-wide policy to change the failed assert # exception type in order to include a lineinfo onFailedAssert(msg): var e = new(TMyError) e.msg = msg e.lineinfo = instantiationInfo(-2) raise e proc foo = assert(false, "assertion from foo") proc bar: int = # local overrides that are active only in this proc onFailedAssert(msg): checkMsg(msg, "tfailedassert.nim(85, 11) `false` first assertion from bar", "test6") assert(false, "first assertion from bar") onFailedAssert(msg): checkMsg(msg, "tfailedassert.nim(91, 11) `false` second assertion from bar", "test7") return -1 assert(false, "second assertion from bar") return 10 echo(bar()) try: foo() except: let e = EMyError(getCurrentException()) echo e.lineinfo.filename checkMsg(e.msg, "tfailedassert.nim(77, 11) `false` assertion from foo", "test8") block: ## checks for issue https://github.com/nim-lang/Nim/issues/8518 template fun(a: string): string = const pattern = a & a pattern try: doAssert fun("foo1") == fun("foo2"), "mymsg" except AssertionError as e: # used to expand out the template instantiaiton, sometimes filling hundreds of lines checkMsg(e.msg, """tfailedassert.nim(109, 14) `fun("foo1") == fun("foo2")` mymsg""", "test9") block: ## checks for issue https://github.com/nim-lang/Nim/issues/9301 try: doAssert 1 + 1 == 3 except AssertionError as e: # used to const fold as false checkMsg(e.msg, "tfailedassert.nim(116, 14) `1 + 1 == 3` ", "test10") block: ## checks AST isnt' transformed as it used to let a = 1 try: doAssert a > 1 except AssertionError as e: # used to rewrite as `1 < a` checkMsg(e.msg, "tfailedassert.nim(124, 14) `a > 1` ", "test11")