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
30var re = /foo.bar/;
31
32assertTrue(!!"foo*bar".match(re));
33assertTrue(!!"..foo*bar".match(re));
34
35var plain = /foobar/;
36
37assertTrue(!!"foobar".match(plain));
38assertTrue(!!"..foobar".match(plain));
39
40var sticky = /foo.bar/y;
41
42assertTrue(!!"foo*bar".match(sticky));
43assertEquals(0, sticky.lastIndex);
44assertFalse(!!"..foo*bar".match(sticky));
45
46var stickyplain = /foobar/y;
47
48assertTrue(!!"foobar".match(stickyplain));
49assertEquals(0, stickyplain.lastIndex);
50assertFalse(!!"..foobar".match(stickyplain));
51
52var global = /foo.bar/g;
53
54assertTrue(global.test("foo*bar"));
55assertFalse(global.test("..foo*bar"));
56global.lastIndex = 0;
57assertTrue(global.test("..foo*bar"));
58
59var plainglobal = /foobar/g;
60
61assertTrue(plainglobal.test("foobar"));
62assertFalse(plainglobal.test("foobar"));
63plainglobal.lastIndex = 0;
64assertTrue(plainglobal.test("foobar"));
65
66var stickyglobal = /foo.bar/gy;
67
68assertTrue(stickyglobal.test("foo*bar"));
69assertEquals(7, stickyglobal.lastIndex);
70assertFalse(stickyglobal.test("..foo*bar"));
71stickyglobal.lastIndex = 0;
72assertFalse(stickyglobal.test("..foo*bar"));
73stickyglobal.lastIndex = 2;
74assertTrue(stickyglobal.test("..foo*bar"));
75assertEquals(9, stickyglobal.lastIndex);
76
77var stickyplainglobal = /foobar/yg;
78assertTrue(stickyplainglobal.sticky);
79stickyplainglobal.sticky = false;
80
81assertTrue(stickyplainglobal.test("foobar"));
82assertEquals(6, stickyplainglobal.lastIndex);
83assertFalse(stickyplainglobal.test("..foobar"));
84stickyplainglobal.lastIndex = 0;
85assertFalse(stickyplainglobal.test("..foobar"));
86stickyplainglobal.lastIndex = 2;
87assertTrue(stickyplainglobal.test("..foobar"));
88assertEquals(8, stickyplainglobal.lastIndex);
89
90assertEquals("/foo.bar/gy", "" + stickyglobal);
91assertEquals("/foo.bar/g", "" + global);
92
93assertTrue(stickyglobal.sticky);
94stickyglobal.sticky = false;
95assertTrue(stickyglobal.sticky);
96
97var stickyglobal2 = new RegExp("foo.bar", "gy");
98assertTrue(stickyglobal2.test("foo*bar"));
99assertEquals(7, stickyglobal2.lastIndex);
100assertFalse(stickyglobal2.test("..foo*bar"));
101stickyglobal2.lastIndex = 0;
102assertFalse(stickyglobal2.test("..foo*bar"));
103stickyglobal2.lastIndex = 2;
104assertTrue(stickyglobal2.test("..foo*bar"));
105assertEquals(9, stickyglobal2.lastIndex);
106
107assertEquals("/foo.bar/gy", "" + stickyglobal2);
108
109assertTrue(stickyglobal2.sticky);
110stickyglobal2.sticky = false;
111assertTrue(stickyglobal2.sticky);
112
113sticky.lastIndex = -1; // Causes sticky regexp to fail fast
114assertFalse(sticky.test("..foo.bar"));
115assertEquals(0, sticky.lastIndex);
116
117sticky.lastIndex = -1; // Causes sticky regexp to fail fast
118assertFalse(!!sticky.exec("..foo.bar"));
119assertEquals(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.
124var hat = /^foo/y;
125hat.lastIndex = 2;
126assertFalse(hat.test("..foo"));
127
128var mhat = /^foo/my;
129mhat.lastIndex = 2;
130assertFalse(mhat.test("..foo"));
131mhat.lastIndex = 2;
132assertTrue(mhat.test(".\nfoo"));
133