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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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+<!--
+ Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html>
+<head>
+ <title>Test for Promise.all, Promise.race</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script type="application/javascript"><!--
+
+function promiseUtilitiesDefined() {
+ ok(Promise.all, "Promise.all must be defined when Promise is enabled.");
+ ok(Promise.race, "Promise.race must be defined when Promise is enabled.");
+ runTest();
+}
+
+function promiseAllEmptyArray() {
+ var p = Promise.all([]);
+ ok(p instanceof Promise, "Return value of Promise.all should be a Promise.");
+ p.then(function(values) {
+ ok(Array.isArray(values), "Resolved value should be an array.");
+ is(values.length, 0, "Resolved array length should match iterable's length.");
+ runTest();
+ }, function() {
+ ok(false, "Promise.all shouldn't fail when iterable has no rejected Promises.");
+ runTest();
+ });
+}
+
+function promiseAllArray() {
+ var p = Promise.all([1, new Date(), Promise.resolve("firefox")]);
+ ok(p instanceof Promise, "Return value of Promise.all should be a Promise.");
+ p.then(function(values) {
+ ok(Array.isArray(values), "Resolved value should be an array.");
+ is(values.length, 3, "Resolved array length should match iterable's length.");
+ is(values[0], 1, "Array values should match.");
+ ok(values[1] instanceof Date, "Array values should match.");
+ is(values[2], "firefox", "Array values should match.");
+ runTest();
+ }, function() {
+ ok(false, "Promise.all shouldn't fail when iterable has no rejected Promises.");
+ runTest();
+ });
+}
+
+function promiseAllIterable() {
+ function* promiseGen() {
+ var i = 3;
+ while (--i) {
+ yield Promise.resolve(i);
+ }
+
+ yield new Promise(function(resolve) {
+ setTimeout(resolve, 10);
+ });
+ }
+
+ Promise.all(promiseGen()).then(function(values) {
+ is(values.length, 3, "Resolved array length should match iterable's length.");
+ is(values[0], 2, "Array values should match.");
+ is(values[1], 1, "Array values should match.");
+ is(values[2], undefined, "Array values should match.");
+ runTest();
+ }, function(e) {
+ ok(false, "Promise.all shouldn't fail when an iterable is passed.");
+ runTest();
+ });
+}
+
+function promiseAllWaitsForAllPromises() {
+ var arr = [
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 1), 50);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 2), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, new Promise(function(resolve2) {
+ resolve2(3);
+ })), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 4), 20);
+ })
+ ];
+
+ var p = Promise.all(arr);
+ p.then(function(values) {
+ ok(Array.isArray(values), "Resolved value should be an array.");
+ is(values.length, 4, "Resolved array length should match iterable's length.");
+ is(values[0], 1, "Array values should match.");
+ is(values[1], 2, "Array values should match.");
+ is(values[2], 3, "Array values should match.");
+ is(values[3], 4, "Array values should match.");
+ runTest();
+ }, function() {
+ ok(false, "Promise.all shouldn't fail when iterable has no rejected Promises.");
+ runTest();
+ });
+}
+
+function promiseAllRejectFails() {
+ var arr = [
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 1), 50);
+ }),
+ new Promise(function(resolve, reject) {
+ setTimeout(reject.bind(undefined, 2), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 3), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 4), 20);
+ })
+ ];
+
+ var p = Promise.all(arr);
+ p.then(function(values) {
+ ok(false, "Promise.all shouldn't resolve when iterable has rejected Promises.");
+ runTest();
+ }, function(e) {
+ ok(true, "Promise.all should reject when iterable has rejected Promises.");
+ is(e, 2, "Rejection value should match.");
+ runTest();
+ });
+}
+
+function promiseAllCastError() {
+ var p = Promise.all([Promise.resolve(2), { then: function() { foo(); } }]);
+ ok(p instanceof Promise, "Should cast to a Promise.");
+ p.then(function(v) {
+ ok(false, "promiseAllCastError: should've rejected.");
+ runTest();
+ }, function(e) {
+ ok(e instanceof ReferenceError, "promiseCastThenableError");
+ runTest();
+ });
+}
+
+// Check that the resolved array is enumerable.
+function promiseAllEnumerable() {
+ var p = Promise.all([1, new Date(), Promise.resolve("firefox")]);
+ p.then(function(v) {
+ var count = 0;
+ for (key in v) {
+ ++count;
+ ok(v[key] === 1 || v[key] instanceof Date || v[key] === "firefox",
+ "Enumerated properties don't match.");
+ }
+ is(count, 3, "Resolved array from Promise.all should be enumerable");
+ runTest();
+ }, function(e) {
+ ok(false, "promiseAllEnumerable: should've resolved.");
+ runTest();
+ });
+}
+
+function promiseRaceEmpty() {
+ var p = Promise.race([]);
+ ok(p instanceof Promise, "Should return a Promise.");
+ p.then(function() {
+ ok(false, "Should not resolve");
+ }, function() {
+ ok(false, "Should not reject");
+ });
+ // Per spec, An empty race never resolves or rejects.
+ setTimeout(function() {
+ ok(true);
+ runTest();
+ }, 50);
+}
+
+function promiseRaceValuesArray() {
+ var p = Promise.race([true, new Date(), 3]);
+ ok(p instanceof Promise, "Should return a Promise.");
+ p.then(function(winner) {
+ is(winner, true, "First value should win.");
+ runTest();
+ }, function(err) {
+ ok(false, "Should not fail " + err + ".");
+ runTest();
+ });
+}
+
+function promiseRacePromiseArray() {
+ function timeoutPromise(n) {
+ return new Promise(function(resolve) {
+ setTimeout(function() {
+ resolve(n);
+ }, n);
+ });
+ }
+
+ var arr = [
+ new Promise(function(resolve) {
+ resolve("first");
+ }),
+ Promise.resolve("second"),
+ new Promise(function() {}),
+ new Promise(function(resolve) {
+ setTimeout(function() {
+ setTimeout(function() {
+ resolve("fourth");
+ }, 0);
+ }, 0);
+ }),
+ ];
+
+ var p = Promise.race(arr);
+ p.then(function(winner) {
+ is(winner, "first", "First queued resolution should win the race.");
+ runTest();
+ });
+}
+
+function promiseRaceIterable() {
+ function* participants() {
+ yield new Promise(function(resolve) {
+ setTimeout(resolve, 10, 10);
+ });
+ yield new Promise(function(resolve) {
+ setTimeout(resolve, 20, 20);
+ });
+ }
+
+ Promise.race(participants()).then(function(winner) {
+ is(winner, 10, "Winner should be the one that finished earlier.");
+ runTest();
+ }, function(e) {
+ ok(false, "Promise.race shouldn't throw when an iterable is passed!");
+ runTest();
+ });
+}
+
+function promiseRaceReject() {
+ var p = Promise.race([
+ Promise.reject(new Error("Fail bad!")),
+ new Promise(function(resolve) {
+ setTimeout(resolve, 0);
+ })
+ ]);
+
+ p.then(function() {
+ ok(false, "Should not resolve when winning Promise rejected.");
+ runTest();
+ }, function(e) {
+ ok(true, "Should be rejected");
+ ok(e instanceof Error, "Should reject with Error.");
+ ok(e.message == "Fail bad!", "Message should match.");
+ runTest();
+ });
+}
+
+function promiseRaceThrow() {
+ var p = Promise.race([
+ new Promise(function(resolve) {
+ nonExistent();
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve, 0);
+ })
+ ]);
+
+ p.then(function() {
+ ok(false, "Should not resolve when winning Promise had an error.");
+ runTest();
+ }, function(e) {
+ ok(true, "Should be rejected");
+ ok(e instanceof ReferenceError, "Should reject with ReferenceError for function nonExistent().");
+ runTest();
+ });
+}
+
+var tests = [
+ promiseUtilitiesDefined,
+ promiseAllEmptyArray,
+ promiseAllArray,
+ promiseAllIterable,
+ promiseAllWaitsForAllPromises,
+ promiseAllRejectFails,
+ promiseAllCastError,
+ promiseAllEnumerable,
+
+ promiseRaceEmpty,
+ promiseRaceValuesArray,
+ promiseRacePromiseArray,
+ promiseRaceIterable,
+ promiseRaceReject,
+ promiseRaceThrow,
+ ];
+
+function runTest() {
+ if (!tests.length) {
+ SimpleTest.finish();
+ return;
+ }
+
+ var test = tests.shift();
+ test();
+}
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.requestFlakyTimeout("untriaged");
+runTest();
+// -->
+</script>
+</pre>
+</body>
+</html>
+
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