Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
29 lines
752 B
Dart
29 lines
752 B
Dart
// Copyright (c) 2017, 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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// @dart = 2.9
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class C {
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C.oneArg(Object x) : assert(x);
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C.twoArgs(Object x, Object y) : assert(x, y);
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}
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void main() {
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Object b = true;
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new C.oneArg(b); // No error
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assert(b, 'should not fail'); // No error
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try {
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new C.twoArgs(false, b); // Type is ok
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} on AssertionError {}
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b = new Object();
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try {
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new C.oneArg(b);
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assert(false, 'Did not throw');
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} on TypeError {}
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try {
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new C.twoArgs(b, 'type error should occur before assert check');
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assert(false, 'Did not throw');
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} on TypeError {}
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}
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