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44 lines
1.3 KiB
Dart
44 lines
1.3 KiB
Dart
// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:ui';
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import 'package:test/test.dart';
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String top() => "top";
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class Foo {
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const Foo();
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static int getInt() => 1;
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double getDouble() => 1.0;
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}
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const Foo foo = const Foo();
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void main() {
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test('PluginUtilities Callback Handles', () {
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// Top level callback.
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final hTop = PluginUtilities.getCallbackHandle(top);
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expect(hTop, isNotNull);
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expect(hTop, isNot(0));
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expect(PluginUtilities.getCallbackHandle(top), hTop);
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final topClosure = PluginUtilities.getCallbackFromHandle(hTop);
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expect(topClosure, isNotNull);
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expect(topClosure(), "top");
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// Static method callback
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final hGetInt = PluginUtilities.getCallbackHandle(Foo.getInt);
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expect(hGetInt, isNotNull);
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expect(hGetInt, isNot(0));
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expect(PluginUtilities.getCallbackHandle(Foo.getInt), hGetInt);
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final getIntClosure = PluginUtilities.getCallbackFromHandle(hGetInt);
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expect(getIntClosure, isNotNull);
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expect(getIntClosure(), 1);
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// Instance method callbacks cannot be looked up.
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final foo = new Foo();
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expect(PluginUtilities.getCallbackHandle(foo.getDouble), isNull);
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});
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}
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