2017-03-31 09:20:13 +00:00
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// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function toSlowMode(re) {
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re.exec = (str) => RegExp.prototype.exec.call(re, str);
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return re;
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}
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// Construction does not throw.
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{
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let re = /./s;
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re = RegExp(".", "s");
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re = new RegExp(".", "s");
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assertThrows(() => new RegExp(".", "wtf"), SyntaxError);
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}
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// The flags accessors.
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{
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let re = /./s;
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assertEquals("s", re.flags);
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assertFalse(re.global);
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assertFalse(re.ignoreCase);
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assertFalse(re.multiline);
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assertFalse(re.sticky);
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assertFalse(re.unicode);
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assertTrue(re.dotAll);
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re = toSlowMode(/./s);
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assertEquals("s", re.flags);
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assertFalse(re.global);
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assertFalse(re.ignoreCase);
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assertFalse(re.multiline);
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assertFalse(re.sticky);
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assertFalse(re.unicode);
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assertTrue(re.dotAll);
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re = /./gimyus;
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assertEquals("gimsuy", re.flags);
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assertTrue(re.global);
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assertTrue(re.ignoreCase);
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assertTrue(re.multiline);
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assertTrue(re.sticky);
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assertTrue(re.unicode);
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assertTrue(re.dotAll);
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re = /./gimyu;
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assertEquals("gimuy", re.flags);
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assertTrue(re.global);
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assertTrue(re.ignoreCase);
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assertTrue(re.multiline);
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assertTrue(re.sticky);
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assertTrue(re.unicode);
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assertFalse(re.dotAll);
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}
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2017-04-25 09:35:22 +00:00
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// Different construction variants with all flags.
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{
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assertEquals("gimsuy", new RegExp("", "yusmig").flags);
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assertEquals("gimsuy", new RegExp().compile("", "yusmig").flags);
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}
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2017-03-31 09:20:13 +00:00
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// Default '.' behavior.
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{
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let re = /^.$/;
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assertTrue(re.test("a"));
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assertTrue(re.test("3"));
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assertTrue(re.test("π"));
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assertTrue(re.test("\u2027"));
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assertTrue(re.test("\u0085"));
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assertTrue(re.test("\v"));
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assertTrue(re.test("\f"));
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assertTrue(re.test("\u180E"));
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assertFalse(re.test("\u{10300}")); // Supplementary plane.
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assertFalse(re.test("\n"));
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assertFalse(re.test("\r"));
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assertFalse(re.test("\u2028"));
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assertFalse(re.test("\u2029"));
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}
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// Default '.' behavior (unicode).
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{
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let re = /^.$/u;
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assertTrue(re.test("a"));
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assertTrue(re.test("3"));
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assertTrue(re.test("π"));
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assertTrue(re.test("\u2027"));
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assertTrue(re.test("\u0085"));
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assertTrue(re.test("\v"));
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assertTrue(re.test("\f"));
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assertTrue(re.test("\u180E"));
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assertTrue(re.test("\u{10300}")); // Supplementary plane.
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assertFalse(re.test("\n"));
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assertFalse(re.test("\r"));
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assertFalse(re.test("\u2028"));
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assertFalse(re.test("\u2029"));
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}
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// DotAll '.' behavior.
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{
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let re = /^.$/s;
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assertTrue(re.test("a"));
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assertTrue(re.test("3"));
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assertTrue(re.test("π"));
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assertTrue(re.test("\u2027"));
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assertTrue(re.test("\u0085"));
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assertTrue(re.test("\v"));
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assertTrue(re.test("\f"));
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assertTrue(re.test("\u180E"));
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assertFalse(re.test("\u{10300}")); // Supplementary plane.
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assertTrue(re.test("\n"));
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assertTrue(re.test("\r"));
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assertTrue(re.test("\u2028"));
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assertTrue(re.test("\u2029"));
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}
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// DotAll '.' behavior (unicode).
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{
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let re = /^.$/su;
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assertTrue(re.test("a"));
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assertTrue(re.test("3"));
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assertTrue(re.test("π"));
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assertTrue(re.test("\u2027"));
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assertTrue(re.test("\u0085"));
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assertTrue(re.test("\v"));
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assertTrue(re.test("\f"));
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assertTrue(re.test("\u180E"));
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assertTrue(re.test("\u{10300}")); // Supplementary plane.
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assertTrue(re.test("\n"));
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assertTrue(re.test("\r"));
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assertTrue(re.test("\u2028"));
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assertTrue(re.test("\u2029"));
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}
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