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Diffstat (limited to 'deps/v8/test/mjsunit/regexp-global.js')
| -rw-r--r-- | deps/v8/test/mjsunit/regexp-global.js | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regexp-global.js b/deps/v8/test/mjsunit/regexp-global.js new file mode 100644 index 0000000000..cc360d3ce0 --- /dev/null +++ b/deps/v8/test/mjsunit/regexp-global.js @@ -0,0 +1,141 @@ +// Copyright 2012 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 an optional capture is cleared between two matches. +var str = "ABX X"; +str = str.replace(/(\w)?X/g, function(match, capture) { + assertTrue(match.indexOf(capture) >= 0 || + capture === undefined); + return capture ? capture.toLowerCase() : "-"; + }); +assertEquals("Ab -", str); + +// Test zero-length matches. +str = "Als Gregor Samsa eines Morgens"; +str = str.replace(/\b/g, function(match, capture) { + return "/"; + }); +assertEquals("/Als/ /Gregor/ /Samsa/ /eines/ /Morgens/", str); + +// Test zero-length matches that have non-zero-length sub-captures. +str = "It was a pleasure to burn."; +str = str.replace(/(?=(\w+))\b/g, function(match, capture) { + return capture.length; + }); +assertEquals("2It 3was 1a 8pleasure 2to 4burn.", str); + +// Test multiple captures. +str = "Try not. Do, or do not. There is no try."; +str = str.replace(/(not?)|(do)|(try)/gi, + function(match, c1, c2, c3) { + assertTrue((c1 === undefined && c2 === undefined) || + (c2 === undefined && c3 === undefined) || + (c1 === undefined && c3 === undefined)); + if (c1) return "-"; + if (c2) return "+"; + if (c3) return "=" + }); +assertEquals("= -. +, or + -. There is - =.", str); + +// Test multiple alternate captures. +str = "FOUR LEGS GOOD, TWO LEGS BAD!"; +str = str.replace(/(FOUR|TWO) LEGS (GOOD|BAD)/g, + function(match, num_legs, likeability) { + assertTrue(num_legs !== undefined); + assertTrue(likeability !== undefined); + if (num_legs == "FOUR") assertTrue(likeability == "GOOD"); + if (num_legs == "TWO") assertTrue(likeability == "BAD"); + return match.length - 10; + }); +assertEquals("4, 2!", str); + + +// The same tests with UC16. + +//Test that an optional capture is cleared between two matches. +str = "AB\u1234 \u1234"; +str = str.replace(/(\w)?\u1234/g, + function(match, capture) { + assertTrue(match.indexOf(capture) >= 0 || + capture === undefined); + return capture ? capture.toLowerCase() : "-"; + }); +assertEquals("Ab -", str); + +// Test zero-length matches. +str = "Als \u2623\u2642 eines Morgens"; +str = str.replace(/\b/g, function(match, capture) { + return "/"; + }); +assertEquals("/Als/ \u2623\u2642 /eines/ /Morgens/", str); + +// Test zero-length matches that have non-zero-length sub-captures. +str = "It was a pleasure to \u70e7."; +str = str.replace(/(?=(\w+))\b/g, function(match, capture) { + return capture.length; + }); +assertEquals("2It 3was 1a 8pleasure 2to \u70e7.", str); + +// Test multiple captures. +str = "Try not. D\u26aa, or d\u26aa not. There is no try."; +str = str.replace(/(not?)|(d\u26aa)|(try)/gi, + function(match, c1, c2, c3) { + assertTrue((c1 === undefined && c2 === undefined) || + (c2 === undefined && c3 === undefined) || + (c1 === undefined && c3 === undefined)); + if (c1) return "-"; + if (c2) return "+"; + if (c3) return "=" + }); +assertEquals("= -. +, or + -. There is - =.", str); + +// Test multiple alternate captures. +str = "FOUR \u817f GOOD, TWO \u817f BAD!"; +str = str.replace(/(FOUR|TWO) \u817f (GOOD|BAD)/g, + function(match, num_legs, likeability) { + assertTrue(num_legs !== undefined); + assertTrue(likeability !== undefined); + if (num_legs == "FOUR") assertTrue(likeability == "GOOD"); + if (num_legs == "TWO") assertTrue(likeability == "BAD"); + return match.length - 7; + }); +assertEquals("4, 2!", str); + +// Test capture that is a real substring. +var str = "Beasts of England, beasts of Ireland"; +str = str.replace(/(.*)/g, function(match) { return '~'; }); +assertEquals("~~", str); + +// Test zero-length matches that have non-zero-length sub-captures that do not +// start at the match start position. +str = "up up up up"; +str = str.replace(/\b(?=u(p))/g, function(match, capture) { + return capture.length; + }); + +assertEquals("1up 1up 1up 1up", str); |