Andreas Hocevar
87 lines
2.3 KiB
HTML
87 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<!--
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Copyright 2012 The Closure Library Authors. All Rights Reserved.
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Use of this source code is governed by the Apache License, Version 2.0.
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See the COPYING file for details.
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-->
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<head>
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<title>Closure Unit Tests - goog.result.DeferredAdaptor</title>
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<script src="../base.js"></script>
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<script>
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goog.require('goog.result');
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goog.require('goog.result.DeferredAdaptor');
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goog.require('goog.result.SimpleResult');
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goog.require('goog.testing.jsunit');
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goog.require('goog.testing.recordFunction');
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</script>
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</head>
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<body>
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<script>
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var result, deferred, record;
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function setUp() {
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result = new goog.result.SimpleResult();
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deferred = new goog.result.DeferredAdaptor(result);
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record = new goog.testing.recordFunction();
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}
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function tearDown() {
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result = deferred = record = null;
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}
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function testResultSuccesfulResolution() {
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deferred.addCallback(record);
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result.setValue(1);
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assertEquals(1, record.getCallCount());
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var call = record.popLastCall();
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assertEquals(1, call.getArgument(0));
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}
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function testResultErrorResolution() {
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deferred.addErrback(record);
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result.setError(2);
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assertEquals(1, record.getCallCount());
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var call = record.popLastCall();
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assertEquals(2, call.getArgument(0));
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}
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function testResultCancelResolution() {
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deferred.addCallback(record);
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var cancelCallback = new goog.testing.recordFunction();
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deferred.addErrback(cancelCallback);
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result.cancel();
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assertEquals(0, record.getCallCount());
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assertEquals(1, cancelCallback.getCallCount());
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var call = cancelCallback.popLastCall();
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assertTrue(call.getArgument(0) instanceof
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goog.async.Deferred.CanceledError);
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}
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function testAddCallbackOnResolvedResult() {
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result.setValue(1);
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assertEquals(1, result.getValue());
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deferred.addCallback(record);
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// callback should be called immediately when result is already resolved.
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assertEquals(1, record.getCallCount());
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assertEquals(1, record.popLastCall().getArgument(0));
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}
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function testAddErrbackOnErroredResult() {
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result.setError(1);
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assertEquals(1, result.getError());
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// errback should be called immediately when result already errored.
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deferred.addErrback(record);
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assertEquals(1, record.getCallCount());
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assertEquals(1, record.popLastCall().getArgument(0));
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}
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</script>
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</body>
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</html>
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