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// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var should_throw_on_null_and_undefined =
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[Object.prototype.toLocaleString,
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Object.prototype.valueOf,
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Object.prototype.hasOwnProperty,
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Object.prototype.isPrototypeOf,
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Object.prototype.propertyIsEnumerable,
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Array.prototype.concat,
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Array.prototype.join,
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Array.prototype.pop,
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Array.prototype.push,
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Array.prototype.reverse,
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Array.prototype.shift,
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Array.prototype.slice,
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Array.prototype.sort,
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Array.prototype.splice,
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Array.prototype.unshift,
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Array.prototype.indexOf,
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Array.prototype.lastIndexOf,
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Array.prototype.every,
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Array.prototype.some,
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Array.prototype.forEach,
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Array.prototype.map,
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Array.prototype.filter,
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Array.prototype.reduce,
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Array.prototype.reduceRight,
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String.prototype.charAt,
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String.prototype.charCodeAt,
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String.prototype.concat,
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String.prototype.indexOf,
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String.prototype.lastIndexOf,
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String.prototype.localeCompare,
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String.prototype.match,
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String.prototype.replace,
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String.prototype.search,
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String.prototype.slice,
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String.prototype.split,
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String.prototype.substring,
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String.prototype.toLowerCase,
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String.prototype.toLocaleLowerCase,
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String.prototype.toUpperCase,
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String.prototype.toLocaleUpperCase,
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String.prototype.trim];
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// Non generic natives do not work on any input other than the specific
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// type, but since this change will allow call to be invoked with undefined
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// or null as this we still explicitly test that we throw on these here.
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var non_generic =
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[Array.prototype.toString,
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Array.prototype.toLocaleString,
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Function.prototype.toString,
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Function.prototype.call,
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Function.prototype.apply,
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String.prototype.toString,
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String.prototype.valueOf,
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Boolean.prototype.toString,
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Boolean.prototype.valueOf,
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Number.prototype.toString,
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Number.prototype.valueOf,
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Number.prototype.toFixed,
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Number.prototype.toExponential,
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Number.prototype.toPrecision,
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Date.prototype.toString,
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Date.prototype.toDateString,
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Date.prototype.toTimeString,
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Date.prototype.toLocaleString,
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Date.prototype.toLocaleDateString,
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Date.prototype.toLocaleTimeString,
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Date.prototype.valueOf,
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Date.prototype.getTime,
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Date.prototype.getFullYear,
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Date.prototype.getUTCFullYear,
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Date.prototype.getMonth,
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Date.prototype.getUTCMonth,
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Date.prototype.getDate,
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Date.prototype.getUTCDate,
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Date.prototype.getDay,
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Date.prototype.getUTCDay,
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Date.prototype.getHours,
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Date.prototype.getUTCHours,
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Date.prototype.getMinutes,
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Date.prototype.getUTCMinutes,
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Date.prototype.getSeconds,
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Date.prototype.getUTCSeconds,
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Date.prototype.getMilliseconds,
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Date.prototype.getUTCMilliseconds,
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Date.prototype.getTimezoneOffset,
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Date.prototype.setTime,
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Date.prototype.setMilliseconds,
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Date.prototype.setUTCMilliseconds,
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Date.prototype.setSeconds,
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Date.prototype.setUTCSeconds,
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Date.prototype.setMinutes,
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Date.prototype.setUTCMinutes,
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Date.prototype.setHours,
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Date.prototype.setUTCHours,
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Date.prototype.setDate,
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Date.prototype.setUTCDate,
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Date.prototype.setMonth,
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Date.prototype.setUTCMonth,
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Date.prototype.setFullYear,
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Date.prototype.setUTCFullYear,
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Date.prototype.toUTCString,
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Date.prototype.toISOString,
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Date.prototype.toJSON,
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RegExp.prototype.exec,
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RegExp.prototype.test,
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RegExp.prototype.toString,
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Error.prototype.toString];
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// Mapping functions.
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var mapping_functions =
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[Array.prototype.every,
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Array.prototype.some,
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Array.prototype.forEach,
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Array.prototype.map,
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Array.prototype.filter];
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// Reduce functions.
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var reducing_functions =
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[Array.prototype.reduce,
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Array.prototype.reduceRight];
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function checkExpectedMessage(e) {
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assertTrue(e.message.indexOf("called on null or undefined") >= 0 ||
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e.message.indexOf("invoked on undefined or null value") >= 0 ||
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e.message.indexOf("Cannot convert undefined or null to object") >= 0);
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}
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// Test that all natives using the ToObject call throw the right exception.
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for (var i = 0; i < should_throw_on_null_and_undefined.length; i++) {
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// Sanity check that all functions are correct
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assertEquals(typeof(should_throw_on_null_and_undefined[i]), "function");
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var exception = false;
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try {
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// We call all functions with no parameters, which means that essential
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// parameters will have the undefined value.
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// The test for whether the "this" value is null or undefined is always
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// performed before access to the other parameters, so even if the
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// undefined value is an invalid argument value, it mustn't change
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// the result of the test.
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should_throw_on_null_and_undefined[i].call(null);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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exception = false;
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try {
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should_throw_on_null_and_undefined[i].call(undefined);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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exception = false;
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try {
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should_throw_on_null_and_undefined[i].apply(null);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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exception = false;
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try {
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should_throw_on_null_and_undefined[i].apply(undefined);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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}
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// Test that all natives that are non generic throw on null and undefined.
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for (var i = 0; i < non_generic.length; i++) {
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// Sanity check that all functions are correct
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assertEquals(typeof(non_generic[i]), "function");
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exception = false;
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try {
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non_generic[i].call(null);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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exception = false;
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try {
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non_generic[i].call(null);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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exception = false;
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try {
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non_generic[i].apply(null);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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exception = false;
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try {
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non_generic[i].apply(null);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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}
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// Test that we still throw when calling with thisArg null or undefined
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// through an array mapping function.
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var array = [1,2,3,4,5];
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for (var j = 0; j < mapping_functions.length; j++) {
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for (var i = 0; i < should_throw_on_null_and_undefined.length; i++) {
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exception = false;
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try {
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mapping_functions[j].call(array,
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should_throw_on_null_and_undefined[i],
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null);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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exception = false;
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try {
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mapping_functions[j].call(array,
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should_throw_on_null_and_undefined[i],
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undefined);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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}
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}
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for (var j = 0; j < mapping_functions.length; j++) {
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for (var i = 0; i < non_generic.length; i++) {
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exception = false;
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try {
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mapping_functions[j].call(array,
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non_generic[i],
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null);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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exception = false;
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try {
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mapping_functions[j].call(array,
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non_generic[i],
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undefined);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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}
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}
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// Reduce functions do a call with null as this argument.
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for (var j = 0; j < reducing_functions.length; j++) {
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for (var i = 0; i < should_throw_on_null_and_undefined.length; i++) {
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exception = false;
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try {
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reducing_functions[j].call(array, should_throw_on_null_and_undefined[i]);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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exception = false;
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try {
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reducing_functions[j].call(array, should_throw_on_null_and_undefined[i]);
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} catch (e) {
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exception = true;
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checkExpectedMessage(e);
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}
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assertTrue(exception);
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}
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}
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for (var j = 0; j < reducing_functions.length; j++) {
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for (var i = 0; i < non_generic.length; i++) {
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exception = false;
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try {
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reducing_functions[j].call(array, non_generic[i]);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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exception = false;
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try {
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reducing_functions[j].call(array, non_generic[i]);
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError);
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}
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assertTrue(exception);
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}
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}
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// Object.prototype.toString()
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assertEquals(Object.prototype.toString.call(null),
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'[object Null]')
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assertEquals(Object.prototype.toString.call(undefined),
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'[object Undefined]')
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