mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-14 15:37:55 +00:00
513 lines
13 KiB
HTML
513 lines
13 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>Basic Promise 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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function promiseResolve() {
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ok(Promise, "Promise object should exist");
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var promise = new Promise(function(resolve, reject) {
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ok(resolve, "Promise.resolve exists");
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ok(reject, "Promise.reject exists");
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resolve(42);
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}).then(function(what) {
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ok(true, "Then - resolveCb has been called");
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is(what, 42, "ResolveCb received 42");
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runTest();
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}, function() {
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ok(false, "Then - rejectCb has been called");
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runTest();
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});
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}
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function promiseResolveNoArg() {
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var promise = new Promise(function(resolve, reject) {
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ok(resolve, "Promise.resolve exists");
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ok(reject, "Promise.reject exists");
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resolve();
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}).then(function(what) {
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ok(true, "Then - resolveCb has been called");
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is(what, undefined, "ResolveCb received undefined");
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runTest();
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}, function() {
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ok(false, "Then - rejectCb has been called");
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runTest();
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});
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}
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function promiseReject() {
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var promise = new Promise(function(resolve, reject) {
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reject(42);
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}).then(function(what) {
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ok(false, "Then - resolveCb has been called");
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runTest();
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}, function(what) {
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ok(true, "Then - rejectCb has been called");
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is(what, 42, "RejectCb received 42");
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runTest();
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});
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}
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function promiseRejectNoHandler() {
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// This test only checks that the code that reports unhandled errors in the
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// Promises implementation does not crash or leak.
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var promise = new Promise(function(res, rej) {
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noSuchMethod();
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});
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runTest();
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}
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function promiseRejectNoArg() {
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var promise = new Promise(function(resolve, reject) {
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reject();
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}).then(function(what) {
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ok(false, "Then - resolveCb has been called");
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runTest();
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}, function(what) {
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ok(true, "Then - rejectCb has been called");
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is(what, undefined, "RejectCb received undefined");
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runTest();
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});
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}
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function promiseException() {
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var promise = new Promise(function(resolve, reject) {
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throw 42;
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}).then(function(what) {
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ok(false, "Then - resolveCb has been called");
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runTest();
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}, function(what) {
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ok(true, "Then - rejectCb has been called");
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is(what, 42, "RejectCb received 42");
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runTest();
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});
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}
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function promiseGC() {
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var resolve;
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var promise = new Promise(function(r1, r2) {
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resolve = r1;
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}).then(function(what) {
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ok(true, "Then - promise is still alive");
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runTest();
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});
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promise = null;
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SpecialPowers.gc();
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SpecialPowers.forceGC();
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SpecialPowers.forceCC();
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resolve(42);
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}
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function promiseAsync() {
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var global = "foo";
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var f = new Promise(function(r1, r2) {
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is(global, "foo", "Global should be foo");
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r1(42);
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is(global, "foo", "Global should still be foo");
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setTimeout(function() {
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is(global, "bar", "Global should still be bar!");
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runTest();
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}, 0);
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}).then(function() {
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global = "bar";
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});
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is(global, "foo", "Global should still be foo (2)");
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}
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function promiseDoubleThen() {
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var steps = 0;
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var promise = new Promise(function(r1, r2) {
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r1(42);
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});
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promise.then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 42, "Value == 42");
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steps++;
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}, function(what) {
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ok(false, "Then.reject has been called");
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});
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promise.then(function(what) {
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ok(true, "Then.resolve has been called");
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is(steps, 1, "Then.resolve - step == 1");
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is(what, 42, "Value == 42");
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runTest();
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}, function(what) {
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ok(false, "Then.reject has been called");
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});
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}
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function promiseThenException() {
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var promise = new Promise(function(resolve, reject) {
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resolve(42);
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});
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promise.then(function(what) {
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ok(true, "Then.resolve has been called");
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throw "booh";
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}).catch(function(e) {
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ok(true, "window.onerror has been called!");
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runTest();
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});
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}
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function promiseThenCatchThen() {
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var promise = new Promise(function(resolve, reject) {
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resolve(42);
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});
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var promise2 = promise.then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 42, "Value == 42");
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return what + 1;
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}, function(what) {
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ok(false, "Then.reject has been called");
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});
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isnot(promise, promise2, "These 2 promise objs are different");
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promise2.then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 43, "Value == 43");
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return what + 1;
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}, function(what) {
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ok(false, "Then.reject has been called");
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}).catch(function() {
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ok(false, "Catch has been called");
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}).then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 44, "Value == 44");
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runTest();
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}, function(what) {
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ok(false, "Then.reject has been called");
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});
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}
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function promiseThenNoArg() {
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var promise = new Promise(function(resolve, reject) {
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resolve(42);
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});
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var clone = promise.then();
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isnot(promise, clone, "These 2 promise objs are different");
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promise.then(function(v) {
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clone.then(function(cv) {
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is(v, cv, "Both resolve to the same value");
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runTest();
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});
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});
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}
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function promiseThenUndefinedResolveFunction() {
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var promise = new Promise(function(resolve, reject) {
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reject(42);
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});
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try {
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promise.then(undefined, function(v) {
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is(v, 42, "Promise rejected with 42");
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runTest();
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});
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} catch (e) {
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ok(false, "then should not throw on undefined resolve function");
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}
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}
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function promiseThenNullResolveFunction() {
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var promise = new Promise(function(resolve, reject) {
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reject(42);
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});
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try {
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promise.then(null, function(v) {
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is(v, 42, "Promise rejected with 42");
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runTest();
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});
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} catch (e) {
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ok(false, "then should not throw on null resolve function");
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}
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}
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function promiseRejectThenCatchThen() {
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var promise = new Promise(function(resolve, reject) {
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reject(42);
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});
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var promise2 = promise.then(function(what) {
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ok(false, "Then.resolve has been called");
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}, function(what) {
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ok(true, "Then.reject has been called");
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is(what, 42, "Value == 42");
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return what + 1;
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});
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isnot(promise, promise2, "These 2 promise objs are different");
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promise2.then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 43, "Value == 43");
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return what+1;
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}).catch(function(what) {
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ok(false, "Catch has been called");
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}).then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 44, "Value == 44");
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runTest();
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});
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}
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function promiseRejectThenCatchThen2() {
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var promise = new Promise(function(resolve, reject) {
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reject(42);
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});
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promise.then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 42, "Value == 42");
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return what+1;
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}).catch(function(what) {
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is(what, 42, "Value == 42");
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ok(true, "Catch has been called");
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return what+1;
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}).then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 43, "Value == 43");
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runTest();
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});
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}
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function promiseRejectThenCatchExceptionThen() {
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var promise = new Promise(function(resolve, reject) {
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reject(42);
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});
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promise.then(function(what) {
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ok(false, "Then.resolve has been called");
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}, function(what) {
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ok(true, "Then.reject has been called");
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is(what, 42, "Value == 42");
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throw(what + 1);
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}).catch(function(what) {
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ok(true, "Catch has been called");
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is(what, 43, "Value == 43");
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return what + 1;
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}).then(function(what) {
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ok(true, "Then.resolve has been called");
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is(what, 44, "Value == 44");
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runTest();
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});
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}
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function promiseThenCatchOrderingResolve() {
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var global = 0;
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var f = new Promise(function(r1, r2) {
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r1(42);
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});
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f.then(function() {
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f.then(function() {
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global++;
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});
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f.catch(function() {
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global++;
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});
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f.then(function() {
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global++;
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});
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setTimeout(function() {
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is(global, 2, "Many steps... should return 2");
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runTest();
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}, 0);
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});
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}
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function promiseThenCatchOrderingReject() {
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var global = 0;
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var f = new Promise(function(r1, r2) {
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r2(42);
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})
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f.then(function() {}, function() {
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f.then(function() {
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global++;
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});
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f.catch(function() {
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global++;
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});
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f.then(function() {}, function() {
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global++;
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});
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setTimeout(function() {
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is(global, 2, "Many steps... should return 2");
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runTest();
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}, 0);
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});
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}
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function promiseCatchNoArg() {
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var promise = new Promise(function(resolve, reject) {
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reject(42);
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});
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var clone = promise.catch();
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isnot(promise, clone, "These 2 promise objs are different");
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promise.catch(function(v) {
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clone.catch(function(cv) {
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is(v, cv, "Both reject to the same value");
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runTest();
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});
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});
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}
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function promiseNestedPromise() {
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new Promise(function(resolve, reject) {
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resolve(new Promise(function(resolve, reject) {
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ok(true, "Nested promise is executed");
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resolve(42);
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}));
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}).then(function(value) {
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is(value, 42, "Nested promise is executed and then == 42");
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runTest();
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});
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}
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function promiseNestedNestedPromise() {
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new Promise(function(resolve, reject) {
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resolve(new Promise(function(resolve, reject) {
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ok(true, "Nested promise is executed");
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resolve(42);
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}).then(function(what) { return what+1; }));
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}).then(function(value) {
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is(value, 43, "Nested promise is executed and then == 43");
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runTest();
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});
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}
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function promiseWrongNestedPromise() {
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new Promise(function(resolve, reject) {
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resolve(new Promise(function(r, r2) {
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ok(true, "Nested promise is executed");
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r(42);
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}));
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reject(42);
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}).then(function(value) {
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is(value, 42, "Nested promise is executed and then == 42");
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runTest();
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}, function(value) {
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ok(false, "This is wrong");
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});
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}
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function promiseLoop() {
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new Promise(function(resolve, reject) {
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resolve(new Promise(function(r1, r2) {
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ok(true, "Nested promise is executed");
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r1(new Promise(function(r1, r2) {
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ok(true, "Nested nested promise is executed");
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r1(42);
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}));
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}));
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}).then(function(value) {
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is(value, 42, "Nested nested promise is executed and then == 42");
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runTest();
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}, function(value) {
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ok(false, "This is wrong");
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});
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}
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function promiseStaticReject() {
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var promise = Promise.reject(42).then(function(what) {
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ok(false, "This should not be called");
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}, function(what) {
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is(what, 42, "Value == 42");
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runTest();
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});
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}
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function promiseStaticResolve() {
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var promise = Promise.resolve(42).then(function(what) {
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is(what, 42, "Value == 42");
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runTest();
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}, function() {
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ok(false, "This should not be called");
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});
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}
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function promiseResolveNestedPromise() {
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var promise = Promise.resolve(new Promise(function(r, r2) {
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ok(true, "Nested promise is executed");
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r(42);
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}, function() {
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ok(false, "This should not be called");
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})).then(function(what) {
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is(what, 42, "Value == 42");
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runTest();
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}, function() {
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ok(false, "This should not be called");
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});
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}
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var tests = [ promiseResolve, promiseReject,
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promiseException, promiseGC, promiseAsync,
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promiseDoubleThen, promiseThenException,
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promiseThenCatchThen, promiseRejectThenCatchThen,
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promiseRejectThenCatchThen2,
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promiseRejectThenCatchExceptionThen,
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promiseThenCatchOrderingResolve,
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promiseThenCatchOrderingReject,
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promiseNestedPromise, promiseNestedNestedPromise,
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promiseWrongNestedPromise, promiseLoop,
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promiseStaticReject, promiseStaticResolve,
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promiseResolveNestedPromise,
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promiseResolveNoArg,
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promiseRejectNoArg,
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promiseThenNoArg,
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promiseThenUndefinedResolveFunction,
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promiseThenNullResolveFunction,
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promiseCatchNoArg,
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promiseRejectNoHandler,
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];
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function runTest() {
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if (!tests.length) {
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SimpleTest.finish();
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return;
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}
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var test = tests.shift();
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test();
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}
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var p = SpecialPowers.getBoolPref("dom.promise.enabled");
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SpecialPowers.setBoolPref("dom.promise.enabled", false);
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ok(!("Promise" in window), "Promise object should not exist if disabled by pref");
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SpecialPowers.setBoolPref("dom.promise.enabled", p);
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["dom.promise.enabled", true]]}, runTest);
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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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