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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 = '15.5.4.4-4.js';
/**
File Name: 15.5.4.4-4.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.
This tests assiging charAt to primitive types..
Author: [email protected]
Date: 2 october 1997
*/
var SECTION = "15.5.4.4-4";
var VERSION = "ECMA_2";
startTest();
var TITLE = "String.prototype.charAt";
writeHeaderToLog( SECTION + " "+ TITLE);
/*
new TestCase( SECTION, "x = null; x.__proto.charAt = String.prototype.charAt; x.charAt(0)", "n", eval("x=null; x.__proto__.charAt = String.prototype.charAt; x.charAt(0)") );
new TestCase( SECTION, "x = null; x.__proto.charAt = String.prototype.charAt; x.charAt(1)", "u", eval("x=null; x.__proto__.charAt = String.prototype.charAt; x.charAt(1)") );
new TestCase( SECTION, "x = null; x.__proto.charAt = String.prototype.charAt; x.charAt(2)", "l", eval("x=null; x.__proto__.charAt = String.prototype.charAt; x.charAt(2)") );
new TestCase( SECTION, "x = null; x.__proto.charAt = String.prototype.charAt; x.charAt(3)", "l", eval("x=null; x.__proto__.charAt = String.prototype.charAt; x.charAt(3)") );
new TestCase( SECTION, "x = undefined; x.__proto.charAt = String.prototype.charAt; x.charAt(0)", "u", eval("x=undefined; x.__proto__.charAt = String.prototype.charAt; x.charAt(0)") );
new TestCase( SECTION, "x = undefined; x.__proto.charAt = String.prototype.charAt; x.charAt(1)", "n", eval("x=undefined; x.__proto__.charAt = String.prototype.charAt; x.charAt(1)") );
new TestCase( SECTION, "x = undefined; x.__proto.charAt = String.prototype.charAt; x.charAt(2)", "d", eval("x=undefined; x.__proto__.charAt = String.prototype.charAt; x.charAt(2)") );
new TestCase( SECTION, "x = undefined; x.__proto.charAt = String.prototype.charAt; x.charAt(3)", "e", eval("x=undefined; x.__proto__.charAt = String.prototype.charAt; x.charAt(3)") );
*/
new TestCase( SECTION, "x = false; x.__proto.charAt = String.prototype.charAt; x.charAt(0)", "f", eval("x=false; x.__proto__.charAt = String.prototype.charAt; x.charAt(0)") );
new TestCase( SECTION, "x = false; x.__proto.charAt = String.prototype.charAt; x.charAt(1)", "a", eval("x=false; x.__proto__.charAt = String.prototype.charAt; x.charAt(1)") );
new TestCase( SECTION, "x = false; x.__proto.charAt = String.prototype.charAt; x.charAt(2)", "l", eval("x=false; x.__proto__.charAt = String.prototype.charAt; x.charAt(2)") );
new TestCase( SECTION, "x = false; x.__proto.charAt = String.prototype.charAt; x.charAt(3)", "s", eval("x=false; x.__proto__.charAt = String.prototype.charAt; x.charAt(3)") );
new TestCase( SECTION, "x = false; x.__proto.charAt = String.prototype.charAt; x.charAt(4)", "e", eval("x=false; x.__proto__.charAt = String.prototype.charAt; x.charAt(4)") );
new TestCase( SECTION, "x = true; x.__proto.charAt = String.prototype.charAt; x.charAt(0)", "t", eval("x=true; x.__proto__.charAt = String.prototype.charAt; x.charAt(0)") );
new TestCase( SECTION, "x = true; x.__proto.charAt = String.prototype.charAt; x.charAt(1)", "r", eval("x=true; x.__proto__.charAt = String.prototype.charAt; x.charAt(1)") );
new TestCase( SECTION, "x = true; x.__proto.charAt = String.prototype.charAt; x.charAt(2)", "u", eval("x=true; x.__proto__.charAt = String.prototype.charAt; x.charAt(2)") );
new TestCase( SECTION, "x = true; x.__proto.charAt = String.prototype.charAt; x.charAt(3)", "e", eval("x=true; x.__proto__.charAt = String.prototype.charAt; x.charAt(3)") );
new TestCase( SECTION, "x = NaN; x.__proto.charAt = String.prototype.charAt; x.charAt(0)", "N", eval("x=NaN; x.__proto__.charAt = String.prototype.charAt; x.charAt(0)") );
new TestCase( SECTION, "x = NaN; x.__proto.charAt = String.prototype.charAt; x.charAt(1)", "a", eval("x=NaN; x.__proto__.charAt = String.prototype.charAt; x.charAt(1)") );
new TestCase( SECTION, "x = NaN; x.__proto.charAt = String.prototype.charAt; x.charAt(2)", "N", eval("x=NaN; x.__proto__.charAt = String.prototype.charAt; x.charAt(2)") );
new TestCase( SECTION, "x = 123; x.__proto.charAt = String.prototype.charAt; x.charAt(0)", "1", eval("x=123; x.__proto__.charAt = String.prototype.charAt; x.charAt(0)") );
new TestCase( SECTION, "x = 123; x.__proto.charAt = String.prototype.charAt; x.charAt(1)", "2", eval("x=123; x.__proto__.charAt = String.prototype.charAt; x.charAt(1)") );
new TestCase( SECTION, "x = 123; x.__proto.charAt = String.prototype.charAt; x.charAt(2)", "3", eval("x=123; x.__proto__.charAt = String.prototype.charAt; x.charAt(2)") );
test();
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