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| 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are |
| 4 // met: |
| 5 // |
| 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. |
| 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 |
| 28 // Flags: --harmony-regexps |
| 29 |
| 30 var re = /foo.bar/; |
| 31 |
| 32 assertTrue(!!"foo*bar".match(re)); |
| 33 assertTrue(!!"..foo*bar".match(re)); |
| 34 |
| 35 var plain = /foobar/; |
| 36 |
| 37 assertTrue(!!"foobar".match(plain)); |
| 38 assertTrue(!!"..foobar".match(plain)); |
| 39 |
| 40 var sticky = /foo.bar/y; |
| 41 |
| 42 assertTrue(!!"foo*bar".match(sticky)); |
| 43 assertEquals(0, sticky.lastIndex); |
| 44 assertFalse(!!"..foo*bar".match(sticky)); |
| 45 |
| 46 var stickyplain = /foobar/y; |
| 47 |
| 48 assertTrue(!!"foobar".match(stickyplain)); |
| 49 assertEquals(0, stickyplain.lastIndex); |
| 50 assertFalse(!!"..foobar".match(stickyplain)); |
| 51 |
| 52 var global = /foo.bar/g; |
| 53 |
| 54 assertTrue(global.test("foo*bar")); |
| 55 assertFalse(global.test("..foo*bar")); |
| 56 global.lastIndex = 0; |
| 57 assertTrue(global.test("..foo*bar")); |
| 58 |
| 59 var plainglobal = /foobar/g; |
| 60 |
| 61 assertTrue(plainglobal.test("foobar")); |
| 62 assertFalse(plainglobal.test("foobar")); |
| 63 plainglobal.lastIndex = 0; |
| 64 assertTrue(plainglobal.test("foobar")); |
| 65 |
| 66 var stickyglobal = /foo.bar/gy; |
| 67 |
| 68 assertTrue(stickyglobal.test("foo*bar")); |
| 69 assertEquals(7, stickyglobal.lastIndex); |
| 70 assertFalse(stickyglobal.test("..foo*bar")); |
| 71 stickyglobal.lastIndex = 0; |
| 72 assertFalse(stickyglobal.test("..foo*bar")); |
| 73 stickyglobal.lastIndex = 2; |
| 74 assertTrue(stickyglobal.test("..foo*bar")); |
| 75 assertEquals(9, stickyglobal.lastIndex); |
| 76 |
| 77 var stickyplainglobal = /foobar/yg; |
| 78 assertTrue(stickyplainglobal.sticky); |
| 79 stickyplainglobal.sticky = false; |
| 80 |
| 81 assertTrue(stickyplainglobal.test("foobar")); |
| 82 assertEquals(6, stickyplainglobal.lastIndex); |
| 83 assertFalse(stickyplainglobal.test("..foobar")); |
| 84 stickyplainglobal.lastIndex = 0; |
| 85 assertFalse(stickyplainglobal.test("..foobar")); |
| 86 stickyplainglobal.lastIndex = 2; |
| 87 assertTrue(stickyplainglobal.test("..foobar")); |
| 88 assertEquals(8, stickyplainglobal.lastIndex); |
| 89 |
| 90 assertEquals("/foo.bar/gy", "" + stickyglobal); |
| 91 assertEquals("/foo.bar/g", "" + global); |
| 92 |
| 93 assertTrue(stickyglobal.sticky); |
| 94 stickyglobal.sticky = false; |
| 95 assertTrue(stickyglobal.sticky); |
| 96 |
| 97 var stickyglobal2 = new RegExp("foo.bar", "gy"); |
| 98 assertTrue(stickyglobal2.test("foo*bar")); |
| 99 assertEquals(7, stickyglobal2.lastIndex); |
| 100 assertFalse(stickyglobal2.test("..foo*bar")); |
| 101 stickyglobal2.lastIndex = 0; |
| 102 assertFalse(stickyglobal2.test("..foo*bar")); |
| 103 stickyglobal2.lastIndex = 2; |
| 104 assertTrue(stickyglobal2.test("..foo*bar")); |
| 105 assertEquals(9, stickyglobal2.lastIndex); |
| 106 |
| 107 assertEquals("/foo.bar/gy", "" + stickyglobal2); |
| 108 |
| 109 assertTrue(stickyglobal2.sticky); |
| 110 stickyglobal2.sticky = false; |
| 111 assertTrue(stickyglobal2.sticky); |
| 112 |
| 113 sticky.lastIndex = -1; // Causes sticky regexp to fail fast |
| 114 assertFalse(sticky.test("..foo.bar")); |
| 115 assertEquals(0, sticky.lastIndex); |
| 116 |
| 117 sticky.lastIndex = -1; // Causes sticky regexp to fail fast |
| 118 assertFalse(!!sticky.exec("..foo.bar")); |
| 119 assertEquals(0, sticky.lastIndex); |
| 120 |
| 121 // ES6 draft says: Even when the y flag is used with a pattern, ^ always |
| 122 // matches only at the beginning of Input, or (if Multiline is true) at the |
| 123 // beginning of a line. |
| 124 var hat = /^foo/y; |
| 125 hat.lastIndex = 2; |
| 126 assertFalse(hat.test("..foo")); |
| 127 |
| 128 var mhat = /^foo/my; |
| 129 mhat.lastIndex = 2; |
| 130 assertFalse(mhat.test("..foo")); |
| 131 mhat.lastIndex = 2; |
| 132 assertTrue(mhat.test(".\nfoo")); |
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