// GENERATED, DO NOT EDIT // file: assert.js // Copyright (C) 2017 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Collection of assertion functions used throughout test262 defines: [assert]
---*/
functionassert(mustBeTrue, message) { if (mustBeTrue === true) { return;
}
if (message === undefined) {
message = 'Expected true but got ' + assert._toString(mustBeTrue);
} thrownew Test262Error(message);
}
assert._isSameValue = function (a, b) { if (a === b) { // Handle +/-0 vs. -/+0 return a !== 0 || 1 / a === 1 / b;
}
// Handle NaN vs. NaN return a !== a && b !== b;
};
assert._toString = function (value) { var basic = assert._formatIdentityFreeValue(value); if (basic) return basic; try { return String(value);
} catch (err) { if (err.name === 'TypeError') { return Object.prototype.toString.call(value);
} throw err;
}
};
// file: compareArray.js // Copyright (C) 2017 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Compare the contents of two arrays defines: [compareArray]
---*/
function compareArray(a, b) { if (b.length !== a.length) { returnfalse;
}
for (var i = 0; i < a.length; i++) { if (!compareArray.isSameValue(b[i], a[i])) { returnfalse;
}
} returntrue;
}
compareArray.isSameValue = function(a, b) { if (a === 0 && b === 0) return 1 / a === 1 / b; if (a !== a && b !== b) returntrue;
if (typeof message === 'symbol') {
message = message.toString();
}
assert(actual != null, `Actual argument shouldn't be nullish. ${message}`); assert(expected != null, `Expected argument shouldn't be nullish. ${message}`); var format = compareArray.format; var result = compareArray(actual, expected);
// The following prevents actual and expected from being iterated and evaluated // more than once unless absolutely necessary. if (!result) { assert(false, `Actual ${format(actual)} and expected ${format(expected)} should have the same contents. ${message}`);
}
};
// file: propertyHelper.js // Copyright (C) 2017 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Collection of functions used to safely verify the correctness of property descriptors. defines: - verifyProperty - verifyEqualTo # deprecated - verifyWritable # deprecated - verifyNotWritable # deprecated - verifyEnumerable # deprecated - verifyNotEnumerable # deprecated - verifyConfigurable # deprecated - verifyNotConfigurable # deprecated - verifyPrimordialProperty
---*/
// @ts-check
// Capture primordial functions and receiver-uncurried primordial methods that // are used in verification but might be destroyed *by* that process itself. var __isArray = Array.isArray; var __defineProperty = Object.defineProperty; var __join = Function.prototype.call.bind(Array.prototype.join); var __push = Function.prototype.call.bind(Array.prototype.push); var __hasOwnProperty = Function.prototype.call.bind(Object.prototype.hasOwnProperty); var __propertyIsEnumerable = Function.prototype.call.bind(Object.prototype.propertyIsEnumerable); var nonIndexNumericPropertyName = Math.pow(2, 32) - 1;
/** * @param {object} obj * @param {string|symbol} name * @param {PropertyDescriptor|undefined} desc * @param {object} [options] * @param {boolean} [options.restore]
*/ function verifyProperty(obj, name, desc, options) { assert(
arguments.length > 2, 'verifyProperty should receive at least 3 arguments: obj, name, and descriptor'
);
var originalDesc = Object.getOwnPropertyDescriptor(obj, name); var nameStr = String(name);
// Allows checking for undefined descriptor if it's explicitly given. if (desc === undefined) { assert.sameValue(
originalDesc,
undefined, "obj['" + nameStr + "'] descriptor should be undefined"
);
// desc and originalDesc are both undefined, problem solved; returntrue;
}
assert(
__hasOwnProperty(obj, name), "obj should have an own property " + nameStr
);
assert.notSameValue(
desc, null, "The desc argument should be an object or undefined, null"
);
assert.sameValue( typeof desc, "object", "The desc argument should be an object or undefined, " + String(desc)
);
if (__hasOwnProperty(desc, 'value')) { if (!isSameValue(desc.value, originalDesc.value)) {
__push(failures, "descriptor value should be " + desc.value);
} if (!isSameValue(desc.value, obj[name])) {
__push(failures, "object value should be " + desc.value);
}
}
if (__hasOwnProperty(desc, 'enumerable')) { if (desc.enumerable !== originalDesc.enumerable ||
desc.enumerable !== isEnumerable(obj, name)) {
__push(failures, 'descriptor should ' + (desc.enumerable ? '' : 'not ') + 'be enumerable');
}
}
// Operations past this point are potentially destructive!
if (__hasOwnProperty(desc, 'writable')) { if (desc.writable !== originalDesc.writable ||
desc.writable !== isWritable(obj, name)) {
__push(failures, 'descriptor should ' + (desc.writable ? '' : 'not ') + 'be writable');
}
}
if (__hasOwnProperty(desc, 'configurable')) { if (desc.configurable !== originalDesc.configurable ||
desc.configurable !== isConfigurable(obj, name)) {
__push(failures, 'descriptor should ' + (desc.configurable ? '' : 'not ') + 'be configurable');
}
}
assert(!failures.length, __join(failures, '; '));
if (options && options.restore) {
__defineProperty(obj, name, originalDesc);
}
function isEnumerable(obj, name) { var stringCheck = false;
if (typeof name === "string") { for (var x in obj) { if (x === name) {
stringCheck = true; break;
}
}
} else { // skip it if name is not string, works for Symbol names.
stringCheck = true;
}
function isSameValue(a, b) { if (a === 0 && b === 0) return 1 / a === 1 / b; if (a !== a && b !== b) returntrue;
return a === b;
}
function isWritable(obj, name, verifyProp, value) { var unlikelyValue = __isArray(obj) && name === "length" ?
nonIndexNumericPropertyName : "unlikelyValue"; var newValue = value || unlikelyValue; var hadValue = __hasOwnProperty(obj, name); var oldValue = obj[name]; var writeSucceeded;
// Revert the change only if it was successful (in other cases, reverting // is unnecessary and may trigger exceptions for certain property // configurations) if (writeSucceeded) { if (hadValue) {
obj[name] = oldValue;
} else { delete obj[name];
}
}
return writeSucceeded;
}
/** * Deprecated; please use `verifyProperty` in new tests.
*/ function verifyEqualTo(obj, name, value) { if (!isSameValue(obj[name], value)) { thrownew Test262Error("Expected obj[" + String(name) + "] to equal " + value + ", actually " + obj[name]);
}
}
/** * Deprecated; please use `verifyProperty` in new tests.
*/ function verifyWritable(obj, name, verifyProp, value) { if (!verifyProp) { assert(Object.getOwnPropertyDescriptor(obj, name).writable, "Expected obj[" + String(name) + "] to have writable:true.");
} if (!isWritable(obj, name, verifyProp, value)) { thrownew Test262Error("Expected obj[" + String(name) + "] to be writable, but was not.");
}
}
/** * Deprecated; please use `verifyProperty` in new tests.
*/ function verifyNotWritable(obj, name, verifyProp, value) { if (!verifyProp) { assert(!Object.getOwnPropertyDescriptor(obj, name).writable, "Expected obj[" + String(name) + "] to have writable:false.");
} if (isWritable(obj, name, verifyProp)) { thrownew Test262Error("Expected obj[" + String(name) + "] NOT to be writable, but was.");
}
}
/** * Deprecated; please use `verifyProperty` in new tests.
*/ function verifyEnumerable(obj, name) { assert(Object.getOwnPropertyDescriptor(obj, name).enumerable, "Expected obj[" + String(name) + "] to have enumerable:true."); if (!isEnumerable(obj, name)) { thrownew Test262Error("Expected obj[" + String(name) + "] to be enumerable, but was not.");
}
}
/** * Deprecated; please use `verifyProperty` in new tests.
*/ function verifyNotEnumerable(obj, name) { assert(!Object.getOwnPropertyDescriptor(obj, name).enumerable, "Expected obj[" + String(name) + "] to have enumerable:false."); if (isEnumerable(obj, name)) { thrownew Test262Error("Expected obj[" + String(name) + "] NOT to be enumerable, but was.");
}
}
/** * Deprecated; please use `verifyProperty` in new tests.
*/ function verifyConfigurable(obj, name) { assert(Object.getOwnPropertyDescriptor(obj, name).configurable, "Expected obj[" + String(name) + "] to have configurable:true."); if (!isConfigurable(obj, name)) { thrownew Test262Error("Expected obj[" + String(name) + "] to be configurable, but was not.");
}
}
/** * Deprecated; please use `verifyProperty` in new tests.
*/ function verifyNotConfigurable(obj, name) { assert(!Object.getOwnPropertyDescriptor(obj, name).configurable, "Expected obj[" + String(name) + "] to have configurable:false."); if (isConfigurable(obj, name)) { thrownew Test262Error("Expected obj[" + String(name) + "] NOT to be configurable, but was.");
}
}
// file: sta.js // Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Provides both:
- An error class to avoid false positives when testing for thrown exceptions - A function to explicitly throw an exception using the Test262Error class defines: [Test262Error, $DONOTEVALUATE]
---*/
function Test262Error(message) { this.message = message || "";
}
Test262Error.prototype.toString = function () { return"Test262Error: " + this.message;
};
Test262Error.thrower = function (message) { thrownew Test262Error(message);
};
function $DONOTEVALUATE() { throw"Test262: This statement should not be evaluated.";
}
// file: test262-host.js // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this // file, You can obtain one at http://mozilla.org/MPL/2.0/.
// Save built-in functions and constructors. var FunctionToString = global.Function.prototype.toString; var ReflectApply = global.Reflect.apply; var Atomics = global.Atomics; var Error = global.Error; var SharedArrayBuffer = global.SharedArrayBuffer; var Int32Array = global.Int32Array;
// Save built-in shell functions. var NewGlobal = global.newGlobal; var setSharedArrayBuffer = global.setSharedArrayBuffer; var getSharedArrayBuffer = global.getSharedArrayBuffer; var evalInWorker = global.evalInWorker; var monotonicNow = global.monotonicNow; var gc = global.gc; var clearKeptObjects = global.clearKeptObjects;
var hasCreateIsHTMLDDA = "createIsHTMLDDA" in global; var hasThreads = ("helperThreadCount" in global ? global.helperThreadCount() > 0 : true); var hasMailbox = typeof setSharedArrayBuffer === "function" && typeof getSharedArrayBuffer === "function"; var hasEvalInWorker = typeof evalInWorker === "function";
if (!hasCreateIsHTMLDDA && !("document" in global && "all" in global.document)) thrownew Error("no [[IsHTMLDDA]] object available for testing");
var IsHTMLDDA = hasCreateIsHTMLDDA
? global.createIsHTMLDDA()
: global.document.all;
// The $262.agent framework is not appropriate for browsers yet, and some // test cases can't work in browsers (they block the main thread).
var shellCode = hasMailbox && hasEvalInWorker; var sabTestable = Atomics && SharedArrayBuffer && hasThreads && shellCode;
// SpiderMonkey complication: With run-time argument --no-threads // our test runner will not properly filter test cases that can't be // run because agents can't be started, and so we do a little // filtering here: We will quietly succeed and exit if an agent test // should not have been run because threads cannot be started. // // Firefox complication: The test cases that use $262.agent can't // currently work in the browser, so for now we rely on them not // being run at all.
if (!sabTestable) {
let {reportCompare, quit} = global;
function notAvailable() { // See comment above. if (!hasThreads && shellCode) {
reportCompare(0, 0);
quit(0);
} thrownew Error("Agents not available");
}
// The SpiderMonkey implementation uses a designated shared buffer _ia // for coordination, and spinlocks for everything except sleeping.
var _MSG_LOC = 0; // Low bit set: broadcast available; High bits: seq # var _ID_LOC = 1; // ID sent with broadcast var _ACK_LOC = 2; // Worker increments this to ack that broadcast was received var _RDY_LOC = 3; // Worker increments this to ack that worker is up and running var _LOCKTXT_LOC = 4; // Writer lock for the text buffer: 0=open, 1=closed var _NUMTXT_LOC = 5; // Count of messages in text buffer var _NEXT_LOC = 6; // First free location in the buffer var _SLEEP_LOC = 7; // Used for sleeping
var _FIRST = 10; // First location of first message
var _ia = new Int32Array(new SharedArrayBuffer(65536));
_ia[_NEXT_LOC] = _FIRST;
var _worker_prefix = // BEGIN WORKER PREFIX
`if (typeof $262 === 'undefined')
$262 = {};
$262.agent = (function (global) { var ReflectApply = global.Reflect.apply; var StringCharCodeAt = global.String.prototype.charCodeAt; var {
add: Atomics_add,
compareExchange: Atomics_compareExchange,
load: Atomics_load,
store: Atomics_store,
wait: Atomics_wait,
} = global.Atomics;
var {getSharedArrayBuffer} = global;
var _ia = new Int32Array(getSharedArrayBuffer()); var agent = {
receiveBroadcast(receiver) { var k; while (((k = Atomics_load(_ia, ${_MSG_LOC})) & 1) === 0)
; var received_sab = getSharedArrayBuffer(); var received_id = Atomics_load(_ia, ${_ID_LOC});
Atomics_add(_ia, ${_ACK_LOC}, 1); while (Atomics_load(_ia, ${_MSG_LOC}) === k)
;
receiver(received_sab, received_id);
},
report(msg) { while (Atomics_compareExchange(_ia, ${_LOCKTXT_LOC}, 0, 1) === 1)
;
msg = "" + msg; var i = _ia[${_NEXT_LOC}];
_ia[i++] = msg.length; for ( let j=0 ; j < msg.length ; j++ )
_ia[i++] = ReflectApply(StringCharCodeAt, msg, [j]);
_ia[${_NEXT_LOC}] = i;
Atomics_add(_ia, ${_NUMTXT_LOC}, 1);
Atomics_store(_ia, ${_LOCKTXT_LOC}, 0);
},
getReport() { if (_numReports === Atomics_load(_ia, _NUMTXT_LOC)) returnnull; var s = ""; var i = _reportPtr; var len = _ia[i++]; for ( let j=0 ; j < len ; j++ )
s += StringFromCharCode(_ia[i++]);
_reportPtr = i;
_numReports++; return s;
},
var $mozAsyncTestDone = false; function $DONE(failure) { // This function is generally called from within a Promise handler, so any // exception thrown by this method will be swallowed and most likely // ignored by the Promise machinery. if ($mozAsyncTestDone) {
reportFailure("$DONE() already called"); return;
}
$mozAsyncTestDone = true;
if (failure)
reportFailure(failure); else
reportCompare(0, 0);
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