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Change-Id: I0726fa252736a83a2d80345d71c05aacf8ed0649 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142941 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Leaf Petersen <leafp@google.com>
37 lines
1.1 KiB
Dart
37 lines
1.1 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library dynamic_type_helper;
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import 'package:expect/expect.dart';
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/// Checks that a dynamic type error is thrown when [f] is executed
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/// and [expectTypeError] is `true`.
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void testDynamicTypeError(bool expectTypeError, f(), [String? message]) {
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if (expectTypeError) {
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checkDynamicTypeError(f, message);
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} else {
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checkNoDynamicTypeError(f, message);
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}
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}
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/// Checks that a dynamic type error is thrown when f is executed.
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void checkDynamicTypeError(f(), [String? message]) {
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message = message != null ? ': $message' : '';
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try {
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f();
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Expect.fail('Missing type error$message.');
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} on TypeError catch (e) {}
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}
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/// Checks that no dynamic type error is thrown when [f] is executed.
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void checkNoDynamicTypeError(f(), [String? message]) {
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message = message != null ? ': $message' : '';
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try {
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f();
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} on TypeError catch (e) {
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Expect.fail('Unexpected type error$message.');
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}
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}
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