discard """ output: ''' `false` first assertion from bar `false` second assertion from bar -1 ''' """ from strutils import endsWith type TLineInfo = tuple[filename: string, line: int, column: int] TMyError = object of Exception lineinfo: TLineInfo EMyError = ref TMyError # NOTE: when entering newlines, adjust `expectedEnd` outputs try: doAssert(false, "msg1") # doAssert test except AssertionDefect as e: assert e.msg.endsWith "tassert2.nim(20, 11) `false` msg1" try: assert false # assert test with no msg except AssertionDefect as e: assert e.msg.endsWith "tassert2.nim(25, 3) `false` " 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 AssertionDefect as e: assert e.msg.endsWith "`a + a == 1` " try: let a = 1 doAssert a+a==1 # ditto with `doAssert` and no parens except AssertionDefect as e: assert e.msg.endsWith "`a + a == 1` " 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): echo msg[^32..^1] assert(false, "first assertion from bar") onFailedAssert(msg): echo msg[^33..^1] return -1 assert(false, "second assertion from bar") return 10 echo(bar()) try: foo() except: let e = EMyError(getCurrentException()) assert e.msg.endsWith "tassert2.nim(62, 11) `false` assertion from foo" 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 AssertionDefect as e: # used to expand out the template instantiaiton, sometimes filling hundreds of lines assert e.msg.endsWith "" block: ## checks for issue https://github.com/nim-lang/Nim/issues/9301 try: doAssert 1 + 1 == 3 except AssertionDefect as e: # used to const fold as false assert e.msg.endsWith "tassert2.nim(100, 5) `1 + 1 == 3` " block: ## checks AST isn't transformed as it used to let a = 1 try: doAssert a > 1 except AssertionDefect as e: # used to rewrite as `1 < a` assert e.msg.endsWith "tassert2.nim(108, 5) `a > 1` "