Chloe Stefantsova
1f55c4ce32
Closes https://github.com/dart-lang/sdk/issues/50797 Part of https://github.com/dart-lang/sdk/issues/49749 Change-Id: Ide77d1ee262f8778de7eb8743b04508ee290ee10 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/276940 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Chloe Stefantsova <cstefantsova@google.com>
28 lines
684 B
Dart
28 lines
684 B
Dart
// Copyright (c) 2022, 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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test(dynamic x) {
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if (x case [String y]) {
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return y;
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} else {
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return null;
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}
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}
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main() {
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expectEquals(test(["one", "two", "three"]), null);
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expectEquals(test(["one"]), "one");
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expectEquals(test([1, 2, 3]), null);
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expectEquals(test([1]), null);
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expectEquals(test([true, false]), null);
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expectEquals(test([true]), null);
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expectEquals(test([]), null);
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}
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expectEquals(x, y) {
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if (x != y) {
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throw "Expected $x to be equal to $y.";
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}
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}
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