| // 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 a function being checked can throw arbitrary value, |
| /// possibly not assignable to Exception. |
| /// Testing with functions that throw null, String and Object. |
| /// @author rodionov |
| /// @author varlax |
| |
| import "../../../Utils/expect.dart"; |
| |
| typedef bool checkFn(exception); |
| |
| void badboy() { |
| throw "hello!"; |
| } |
| |
| void badboy2() { |
| throw new Object(); |
| } |
| |
| void badboy3() { |
| throw (null as dynamic); |
| } |
| |
| main() { |
| Expect.throws(badboy); |
| Expect.throws(badboy, null,"not empty"); |
| |
| Expect.throws(badboy, (e) => true); |
| check(badboy, (e) => false, "not empty"); |
| |
| Expect.throws(badboy2); |
| Expect.throws(badboy2, (e) => true, "34324"); |
| check(badboy2, (e) => false); |
| |
| Expect.throws(badboy3); |
| Expect.throws(badboy3, (e) => e is NullThrownError, ""); |
| check(badboy3, (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) { |
| } |
| } |