| // 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. |
| |
| // Test that we throw exceptions when calling test and exec with no |
| // input. This is not part of the spec, but we do it for |
| // compatibility with JSC. |
| assertThrows("/a/.test()"); |
| assertThrows("/a/.exec()"); |
| |
| // Test that we do not throw exceptions once the static RegExp.input |
| // field has been set. |
| RegExp.input = "a"; |
| assertDoesNotThrow("/a/.test()"); |
| assertDoesNotThrow("/a/.exec()"); |
| |
| // Test the (deprecated as of JS 1.5) properties of the RegExp function. |
| var re = /((\d+)\.(\d+))/; |
| var s = 'abc123.456def'; |
| |
| re.exec(s); |
| |
| assertEquals(s, RegExp.input); |
| assertEquals('123.456', RegExp.lastMatch); |
| assertEquals('456', RegExp.lastParen); |
| assertEquals('abc', RegExp.leftContext); |
| assertEquals('def', RegExp.rightContext); |
| |
| assertEquals(s, RegExp['$_']); |
| assertEquals('123.456', RegExp['$&']); |
| assertEquals('456', RegExp['$+']); |
| assertEquals('abc', RegExp['$`']); |
| assertEquals('def', RegExp["$'"]); |
| |
| assertEquals('123.456', RegExp['$1']); |
| assertEquals('123', RegExp['$2']); |
| assertEquals('456', RegExp['$3']); |
| for (var i = 4; i < 10; ++i) { |
| assertEquals('', RegExp['$' + i]); |
| } |
| |
| // They should be read only. |
| RegExp['$1'] = 'fisk'; |
| assertEquals('123.456', RegExp['$1']); |
| |
| // String.prototype.match and String.prototype.replace (when given a |
| // regexp) and also RegExp.prototype.test should all behave as if |
| // RegExp.prototype.exec were called. |
| s = 'ghi789.012jkl'; |
| s.match(re); |
| assertEquals(s, RegExp.input); |
| assertEquals('789.012', RegExp.lastMatch); |
| assertEquals('012', RegExp.lastParen); |
| assertEquals('ghi', RegExp.leftContext); |
| assertEquals('jkl', RegExp.rightContext); |
| assertEquals(s, RegExp['$_']); |
| assertEquals('789.012', RegExp['$&']); |
| assertEquals('012', RegExp['$+']); |
| assertEquals('ghi', RegExp['$`']); |
| assertEquals('jkl', RegExp["$'"]); |
| assertEquals('789.012', RegExp['$1']); |
| assertEquals('789', RegExp['$2']); |
| assertEquals('012', RegExp['$3']); |
| for (var i = 4; i < 10; ++i) { |
| assertEquals('', RegExp['$' + i]); |
| } |
| |
| s = 'abc123.456def'; |
| s.replace(re, 'whocares'); |
| assertEquals(s, RegExp.input); |
| assertEquals('123.456', RegExp.lastMatch); |
| assertEquals('456', RegExp.lastParen); |
| assertEquals('abc', RegExp.leftContext); |
| assertEquals('def', RegExp.rightContext); |
| assertEquals(s, RegExp['$_']); |
| assertEquals('123.456', RegExp['$&']); |
| assertEquals('456', RegExp['$+']); |
| assertEquals('abc', RegExp['$`']); |
| assertEquals('def', RegExp["$'"]); |
| assertEquals('123.456', RegExp['$1']); |
| assertEquals('123', RegExp['$2']); |
| assertEquals('456', RegExp['$3']); |
| for (var i = 4; i < 10; ++i) { |
| assertEquals('', RegExp['$' + i]); |
| } |
| |
| s = 'ghi789.012jkl'; |
| re.test(s); |
| assertEquals(s, RegExp.input); |
| assertEquals('789.012', RegExp.lastMatch); |
| assertEquals('012', RegExp.lastParen); |
| assertEquals('ghi', RegExp.leftContext); |
| assertEquals('jkl', RegExp.rightContext); |
| assertEquals(s, RegExp['$_']); |
| assertEquals('789.012', RegExp['$&']); |
| assertEquals('012', RegExp['$+']); |
| assertEquals('ghi', RegExp['$`']); |
| assertEquals('jkl', RegExp["$'"]); |
| assertEquals('789.012', RegExp['$1']); |
| assertEquals('789', RegExp['$2']); |
| assertEquals('012', RegExp['$3']); |
| for (var i = 4; i < 10; ++i) { |
| assertEquals('', RegExp['$' + i]); |
| } |
| |
| // String.prototype.replace must interleave matching and replacing when a |
| // global regexp is matched and replaced with the result of a function, in |
| // case the function uses the static properties of the regexp constructor. |
| re = /(.)/g; |
| function f() { return RegExp.$1; }; |
| assertEquals('abcd', 'abcd'.replace(re, f)); |