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