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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically
embedded into Java applications to provide scripting to end users.
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
gTestfile = '15.5.4.4-2.js';
/**
File Name: 15.5.4.4-1.js
ECMA Section: 15.5.4.4 String.prototype.charAt(pos)
Description: Returns a string containing the character at position
pos in the string. If there is no character at that
string, the result is the empty string. The result is
a string value, not a String object.
When the charAt method is called with one argument,
pos, the following steps are taken:
1. Call ToString, with this value as its argument
2. Call ToInteger pos
3. Compute the number of characters in Result(1)
4. If Result(2) is less than 0 is or not less than
Result(3), return the empty string
5. Return a string of length 1 containing one character
from result (1), the character at position Result(2).
Note that the charAt function is intentionally generic;
it does not require that its this value be a String
object. Therefore it can be transferred to other kinds
of objects for use as a method.
Author: [email protected]
Date: 2 october 1997
*/
var SECTION = "15.5.4.4-2";
var VERSION = "ECMA_1";
startTest();
var TITLE = "String.prototype.charAt";
writeHeaderToLog( SECTION + " "+ TITLE);
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(0)", "t", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(0)") );
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(1)", "r", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(1)") );
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(2)", "u", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(2)") );
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(3)", "e", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(3)") );
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(4)", "", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(4)") );
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(-1)", "", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(-1)") );
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(true)", "r", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(true)") );
new TestCase( SECTION, "x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(false)", "t", eval("x = new Boolean(true); x.charAt=String.prototype.charAt;x.charAt(false)") );
new TestCase( SECTION, "x = new String(); x.charAt(0)", "", eval("x=new String();x.charAt(0)") );
new TestCase( SECTION, "x = new String(); x.charAt(1)", "", eval("x=new String();x.charAt(1)") );
new TestCase( SECTION, "x = new String(); x.charAt(-1)", "", eval("x=new String();x.charAt(-1)") );
new TestCase( SECTION, "x = new String(); x.charAt(NaN)", "", eval("x=new String();x.charAt(Number.NaN)") );
new TestCase( SECTION, "x = new String(); x.charAt(Number.POSITIVE_INFINITY)", "", eval("x=new String();x.charAt(Number.POSITIVE_INFINITY)") );
new TestCase( SECTION, "x = new String(); x.charAt(Number.NEGATIVE_INFINITY)", "", eval("x=new String();x.charAt(Number.NEGATIVE_INFINITY)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(0)", "1", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(0)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(1)", "2", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(1)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(2)", "3", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(2)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(3)", "4", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(3)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(4)", "5", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(4)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(5)", "6", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(5)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(6)", "7", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(6)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(7)", "8", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(7)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(8)", "9", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(8)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(9)", "0", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(9)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(10)", "", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(10)") );
new TestCase( SECTION, "var MYOB = new MyObject(1234567890); MYOB.charAt(Math.PI)", "4", eval("var MYOB = new MyObject(1234567890); MYOB.charAt(Math.PI)") );
// MyOtherObject.toString will return "[object Object]
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(0)", "[", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(0)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(1)", "o", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(1)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(2)", "b", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(2)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(3)", "j", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(3)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(4)", "e", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(4)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(5)", "c", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(5)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(6)", "t", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(6)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(7)", " ", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(7)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(8)", "O", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(8)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(9)", "b", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(9)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(10)", "j", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(10)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(11)", "e", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(11)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(12)", "c", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(12)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(13)", "t", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(13)") );
new TestCase( SECTION, "var MYOB = new MyOtherObject(1234567890); MYOB.charAt(14)", "]", eval("var MYOB = new MyOtherObject(1234567890); MYOB.charAt(14)") );
test();
function MyObject( value ) {
this.value = value;
this.valueOf = new Function( "return this.value;" );
this.toString = new Function( "return this.value +''" );
this.charAt = String.prototype.charAt;
}
function MyOtherObject(value) {
this.value = value;
this.valueOf = new Function( "return this.value;" );
this.charAt = String.prototype.charAt;
}
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