v8/test/mjsunit/harmony/regexp-dotall.js

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