315577fc95
Previously, once a callback was in the execution queue, it couldn't be canceled. Now we check whether the callback was canceled before executing it.
43 lines
1.1 KiB
Dart
43 lines
1.1 KiB
Dart
import 'package:sky/base/scheduler.dart' as scheduler;
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import 'package:test/test.dart';
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void main() {
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test("Can cancel queued callback", () {
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int secondId;
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bool firstCallbackRan = false;
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bool secondCallbackRan = false;
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void firstCallback(double timeStamp) {
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expect(firstCallbackRan, isFalse);
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expect(secondCallbackRan, isFalse);
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expect(timeStamp, equals(16.0));
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firstCallbackRan = true;
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scheduler.cancelAnimationFrame(secondId);
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}
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void secondCallback(double timeStamp) {
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expect(firstCallbackRan, isTrue);
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expect(secondCallbackRan, isFalse);
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expect(timeStamp, equals(16.0));
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secondCallbackRan = true;
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}
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scheduler.requestAnimationFrame(firstCallback);
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secondId = scheduler.requestAnimationFrame(secondCallback);
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scheduler.beginFrame(16.0);
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expect(firstCallbackRan, isTrue);
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expect(secondCallbackRan, isFalse);
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firstCallbackRan = false;
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secondCallbackRan = false;
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scheduler.beginFrame(32.0);
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expect(firstCallbackRan, isFalse);
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expect(secondCallbackRan, isFalse);
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});
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}
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