зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
2.9 KiB
HTML
116 строки
2.9 KiB
HTML
<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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-->
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<html>
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<head>
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<title>Promise.resolve(anything) Test</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script type="application/javascript"><!--
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["dom.abortablepromise.enabled", true]]},
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runTest);
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var gTests = [testPending, testResolved, testRejected];
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function runTest() {
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if (gTests.length == 0) {
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SimpleTest.finish();
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return;
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}
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new Promise(gTests.shift()).then(runTest, SimpleTest.finish);
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}
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// Aborting pending promise should first reject the promise and then call the
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// abortable callback.
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// The test succeeds once both the rejection handler and the abort handler have
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// been called.
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function testPending(succeed, fail) {
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var rejected = false;
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var aborted = false;
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var p = new MozAbortablePromise(function(resolve, reject) {
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// Wait for a while so that the promise can be aborted before resolved.
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SimpleTest.executeSoon(function() {
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resolve(0);
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});
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}, function abortable() {
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aborted = true;
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ok(true, "Promise aborted.");
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if (rejected) {
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succeed();
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}
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});
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p.then(function() {
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ok(false, "Failed to abort pending promise.");
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fail();
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}, function(what) {
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rejected = true;
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var isAbortException = (what && what.name) == "NS_ERROR_ABORT";
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ok(isAbortException, "Should have NS_ERROR_ABORT exception");
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if (!isAbortException) {
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fail();
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}
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if (aborted) {
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succeed();
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}
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});
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// Abort the promise on creation.
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p.abort();
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}
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// Do nothing when aborting resolved promise.
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function testResolved(succeed, fail) {
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var p = new MozAbortablePromise(function(resolve, reject) {
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resolve();
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}, function abortable() {
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ok(false, "Should not abort a resolved promise.");
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fail();
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});
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p.then(function() {
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ok(true, "Promise resolved.");
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// Wait for a while to ensure abort handle won't be called.
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setTimeout(succeed, 1000);
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}, function(what) {
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ok(false, "Failed to resolve promise: " + what);
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fail();
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});
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p.abort();
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}
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// Do nothing when aborting rejected promise.
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function testRejected(succeed, fail) {
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var p = new MozAbortablePromise(function(resolve, reject) {
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reject(0);
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}, function abortable() {
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ok(false, "Should not abort a rejected promise.");
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fail();
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});
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p.then(function() {
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ok(false, "Failed to reject promise.");
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fail();
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}, function(what) {
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is(what, 0, "promise rejected: " + what);
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// Wait for a while to ensure abort handle won't be called.
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setTimeout(succeed, 1000);
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});
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p.abort();
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}
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// -->
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</script>
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</pre>
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</body>
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</html>
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