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17ccbecc61
Closes https://github.com/dart-lang/sdk/pull/50763 GitOrigin-RevId: ee6187bc11c8211402b6aa722eb2c0826cba3d5b Change-Id: I598004024a89e25710b9f16749ffb7c6fd6753c2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/276340 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Erik Ernst <eernst@google.com>
66 lines
1.8 KiB
Dart
66 lines
1.8 KiB
Dart
// Copyright (c) 2015, 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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// Simple test program for sync* generator functions.
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import "package:expect/expect.dart";
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import "dart:async";
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var sync = "topLevelSync";
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var async = "topLevelAsync";
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var await = "topLevelAwait";
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var yield = "topLevelYield";
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test01() sync* {
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var yield = 0; // //# 01: syntax error
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var await = 0; // //# 02: syntax error
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bool yield() => false; //# 04: syntax error
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bool await() => false; //# 05: syntax error
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var x1 = sync;
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var x3 = await; // //# 08: syntax error
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var x4 = await 55; // //# 09: compile-time error
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var x4 = yield; // //# 10: syntax error
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var stream = new Stream.fromIterable([1, 2, 3]);
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await for (var e in stream) print(e); // //# 11: compile-time error
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}
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test02() sync* {
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yield 12321;
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return null; // //# 20: compile-time error
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}
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test03() sync* => null; // //# 30: syntax error
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get test04 sync* => null; // //# 40: syntax error
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set test04(a) sync* { print(a); } // //# 41: compile-time error
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class K {
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K() sync* {} // //# 50: compile-time error
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get nix sync* {}
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get garnix sync* => null; // //# 51: syntax error
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set etwas(var z) sync* { } // //# 52: compile-time error
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sync() sync* {
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yield sync; // Yields a tear-off of the sync() method.
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}
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}
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main() {
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var x;
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x = test01();
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Expect.equals("()", x.toString());
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x = test02();
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test03(); //# 30: continued
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Expect.equals("(12321)", x.toString());
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x = test04; // //# 40: continued
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test04 = x; // //# 41: continued
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x = new K();
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print(x.garnix); //# 51: continued
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x.etwas = null; //# 52: continued
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print(x.sync().toList());
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Expect.equals(1, x.sync().length);
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// Expect.isTrue(x.sync().single is Function);
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}
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