blob: 44938cad8a5ccbf3c98310b05d9acc48d5fe30d6 [file] [log] [blame]
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// @assertion static void throws(void f(), [_CheckExceptionFn check = null, String reason = null])
/// typedef bool _CheckExceptionFn(exception)
/// Calls the function [f] and verifies that it throws an exception.
/// The optional [check] function can provide additional validation that the
/// correct exception is being thrown.
/// @description Checks that if the tested method doesn't throw an exception,
/// this method fails regardless of whether the validating function is null,
/// returns true or false and whether the reason is null.
/// @author rodionov
import "../../../Utils/expect.dart";
typedef bool checkFn(exception);
void badboy() {
return;
}
main() {
check(badboy);
check(badboy, null, "");
check(badboy, null, "not empty");
check(badboy, (e) => true);
check(badboy, (e) => true, "");
check(badboy, (e) => true, "not empty");
check(badboy, (e) => false);
check(badboy, (e) => false, "");
check(badboy, (e) => false, "not empty");
}
void check(void f(), [checkFn? ch = null, String? reason = null]) {
try {
Expect.throws(f, ch, reason);
throw new Exception("ExpectException expected");
} on ExpectException catch(e) {
}
}