// Copyright 2008 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 s = "test"; assertEquals("t", s.charAt()); assertEquals("t", s.charAt("string")); assertEquals("t", s.charAt(null)); assertEquals("t", s.charAt(void 0)); assertEquals("t", s.charAt(false)); assertEquals("e", s.charAt(true)); assertEquals("", s.charAt(-1)); assertEquals("", s.charAt(4)); assertEquals("t", s.charAt(0)); assertEquals("t", s.charAt(3)); assertEquals("t", s.charAt(NaN)); assertEquals(116, s.charCodeAt()); assertEquals(116, s.charCodeAt("string")); assertEquals(116, s.charCodeAt(null)); assertEquals(116, s.charCodeAt(void 0)); assertEquals(116, s.charCodeAt(false)); assertEquals(101, s.charCodeAt(true)); assertEquals(116, s.charCodeAt(0)); assertEquals(116, s.charCodeAt(3)); assertEquals(116, s.charCodeAt(NaN)); assertTrue(isNaN(s.charCodeAt(-1))); assertTrue(isNaN(s.charCodeAt(4))); // Make sure enough of the one-char string cache is filled. var alpha = ['@']; for (var i = 1; i < 128; i++) { var c = String.fromCharCode(i); alpha[i] = c.charAt(0); } var alphaStr = alpha.join(""); // Now test chars. for (var i = 1; i < 128; i++) { assertEquals(alpha[i], alphaStr.charAt(i)); assertEquals(String.fromCharCode(i), alphaStr.charAt(i)); }