Remove all harmony runtime flags which shipped in M51

test/mjsunit/harmony/unicode-escapes-in-regexps.js

-// Copyright 2014 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.
-
-// ES6 extends the \uxxxx escape and also allows \u{xxxxx}.
-
-// Flags: --harmony-unicode-regexps
-
-function testRegexpHelper(r) {
-  assertTrue(r.test("foo"));
-  assertTrue(r.test("boo"));
-  assertFalse(r.test("moo"));
-}
-
-
-(function TestUnicodeEscapes() {
-  testRegexpHelper(/(\u0066|\u0062)oo/);
-  testRegexpHelper(/(\u0066|\u0062)oo/u);
-  testRegexpHelper(/(\u{0066}|\u{0062})oo/u);
-  testRegexpHelper(/(\u{66}|\u{000062})oo/u);
-
-  // Note that we need \\ inside a string, otherwise it's interpreted as a
-  // unicode escape inside a string.
-  testRegexpHelper(new RegExp("(\\u0066|\\u0062)oo"));
-  testRegexpHelper(new RegExp("(\\u0066|\\u0062)oo", "u"));
-  testRegexpHelper(new RegExp("(\\u{0066}|\\u{0062})oo", "u"));
-  testRegexpHelper(new RegExp("(\\u{66}|\\u{000062})oo", "u"));
-
-  // Though, unicode escapes via strings should work too.
-  testRegexpHelper(new RegExp("(\u0066|\u0062)oo"));
-  testRegexpHelper(new RegExp("(\u0066|\u0062)oo", "u"));
-  testRegexpHelper(new RegExp("(\u{0066}|\u{0062})oo", "u"));
-  testRegexpHelper(new RegExp("(\u{66}|\u{000062})oo", "u"));
-})();
-
-
-(function TestUnicodeEscapesInCharacterClasses() {
-  testRegexpHelper(/[\u0062-\u0066]oo/);
-  testRegexpHelper(/[\u0062-\u0066]oo/u);
-  testRegexpHelper(/[\u{0062}-\u{0066}]oo/u);
-  testRegexpHelper(/[\u{62}-\u{00000066}]oo/u);
-
-  // Note that we need \\ inside a string, otherwise it's interpreted as a
-  // unicode escape inside a string.
-  testRegexpHelper(new RegExp("[\\u0062-\\u0066]oo"));
-  testRegexpHelper(new RegExp("[\\u0062-\\u0066]oo", "u"));
-  testRegexpHelper(new RegExp("[\\u{0062}-\\u{0066}]oo", "u"));
-  testRegexpHelper(new RegExp("[\\u{62}-\\u{00000066}]oo", "u"));
-
-  // Though, unicode escapes via strings should work too.
-  testRegexpHelper(new RegExp("[\u0062-\u0066]oo"));
-  testRegexpHelper(new RegExp("[\u0062-\u0066]oo", "u"));
-  testRegexpHelper(new RegExp("[\u{0062}-\u{0066}]oo", "u"));
-  testRegexpHelper(new RegExp("[\u{62}-\u{00000066}]oo", "u"));
-})();
-
-
-(function TestBraceEscapesWithoutUnicodeFlag() {
-  // \u followed by illegal escape will be parsed as u. {x} will be the
-  // character count.
-  function helper1(r) {
-    assertFalse(r.test("fbar"));
-    assertFalse(r.test("fubar"));
-    assertTrue(r.test("fuubar"));
-    assertFalse(r.test("fuuubar"));
-  }
-  helper1(/f\u{2}bar/);
-  helper1(new RegExp("f\\u{2}bar"));
-
-  function helper2(r) {
-    assertFalse(r.test("fbar"));
-    assertTrue(r.test("fubar"));
-    assertTrue(r.test("fuubar"));
-    assertFalse(r.test("fuuubar"));
-  }
-
-  helper2(/f\u{1,2}bar/);
-  helper2(new RegExp("f\\u{1,2}bar"));
-
-  function helper3(r) {
-    assertTrue(r.test("u"));
-    assertTrue(r.test("{"));
-    assertTrue(r.test("2"));
-    assertTrue(r.test("}"));
-    assertFalse(r.test("q"));
-    assertFalse(r.test("("));
-    assertFalse(r.test(")"));
-  }
-  helper3(/[\u{2}]/);
-  helper3(new RegExp("[\\u{2}]"));
-})();
-
-
-(function TestInvalidEscapes() {
-  // Without the u flag, invalid unicode escapes and other invalid escapes are
-  // treated as identity escapes.
-  function helper1(r) {
-    assertTrue(r.test("firstuxz89second"));
-  }
-  helper1(/first\u\x\z\8\9second/);
-  helper1(new RegExp("first\\u\\x\\z\\8\\9second"));
-
-  function helper2(r) {
-    assertTrue(r.test("u"));
-    assertTrue(r.test("x"));
-    assertTrue(r.test("z"));
-    assertTrue(r.test("8"));
-    assertTrue(r.test("9"));
-    assertFalse(r.test("q"));
-    assertFalse(r.test("7"));
-  }
-  helper2(/[\u\x\z\8\9]/);
-  helper2(new RegExp("[\\u\\x\\z\\8\\9]"));
-
-  // However, with the u flag, these are treated as invalid escapes.
-  assertThrows("/\\u/u", SyntaxError);
-  assertThrows("/\\u12/u", SyntaxError);
-  assertThrows("/\\ufoo/u", SyntaxError);
-  assertThrows("/\\x/u", SyntaxError);
-  assertThrows("/\\xfoo/u", SyntaxError);
-  assertThrows("/\\z/u", SyntaxError);
-  assertThrows("/\\8/u", SyntaxError);
-  assertThrows("/\\9/u", SyntaxError);
-
-  assertThrows("new RegExp('\\\\u', 'u')", SyntaxError);
-  assertThrows("new RegExp('\\\\u12', 'u')", SyntaxError);
-  assertThrows("new RegExp('\\\\ufoo', 'u')", SyntaxError);
-  assertThrows("new RegExp('\\\\x', 'u')", SyntaxError);
-  assertThrows("new RegExp('\\\\xfoo', 'u')", SyntaxError);
-  assertThrows("new RegExp('\\\\z', 'u')", SyntaxError);
-  assertThrows("new RegExp('\\\\8', 'u')", SyntaxError);
-  assertThrows("new RegExp('\\\\9', 'u')", SyntaxError);
-})();
-
-
-(function TestTooBigHexEscape() {
-  // The hex number inside \u{} has a maximum value.
-  /\u{10ffff}/u
-  new RegExp("\\u{10ffff}", "u")
-  assertThrows("/\\u{110000}/u", SyntaxError);
-  assertThrows("new RegExp('\\\\u{110000}', 'u')", SyntaxError);
-
-  // Without the u flag, they're of course fine ({x} is the count).
-  /\u{110000}/
-  new RegExp("\\u{110000}")
-})();
-
-
-(function TestSyntaxEscapes() {
-  // Syntax escapes work the same with or without the u flag.
-  function helper(r) {
-    assertTrue(r.test("foo[bar"));
-    assertFalse(r.test("foo]bar"));
-  }
-  helper(/foo\[bar/);
-  helper(new RegExp("foo\\[bar"));
-  helper(/foo\[bar/u);
-  helper(new RegExp("foo\\[bar", "u"));
-})();
-
-
-(function TestUnicodeSurrogates() {
-  // U+10E6D corresponds to the surrogate pair [U+D803, U+DE6D].
-  function helper(r) {
-    assertTrue(r.test("foo\u{10e6d}bar"));
-  }
-  helper(/foo\ud803\ude6dbar/u);
-  helper(new RegExp("foo\\ud803\\ude6dbar", "u"));
-})();
-
-
-(function AllFlags() {
-  // Test that we can pass all possible regexp flags and they work properly.
-  function helper1(r) {
-    assertTrue(r.global);
-    assertTrue(r.ignoreCase);
-    assertTrue(r.multiline);
-    assertTrue(r.sticky);
-    assertTrue(r.unicode);
-  }
-
-  helper1(/foo/gimyu);
-  helper1(new RegExp("foo", "gimyu"));
-
-  function helper2(r) {
-    assertFalse(r.global);
-    assertFalse(r.ignoreCase);
-    assertFalse(r.multiline);
-    assertFalse(r.sticky);
-    assertFalse(r.unicode);
-  }
-
-  helper2(/foo/);
-  helper2(new RegExp("foo"));
-})();
-
-
-(function DuplicatedFlags() {
-  // Test that duplicating the u flag is not allowed.
-  assertThrows("/foo/ugu");
-  assertThrows("new RegExp('foo', 'ugu')");
-})();
-
-
-(function ToString() {
-  // Test that the u flag is included in the string representation of regexps.
-  function helper(r) {
-    assertEquals(r.toString(), "/foo/u");
-  }
-  helper(/foo/u);
-  helper(new RegExp("foo", "u"));
-})();
-
-// Non-BMP patterns.
-// Single character atom.
-assertTrue(new RegExp("\u{12345}", "u").test("\u{12345}"));
-assertTrue(/\u{12345}/u.test("\u{12345}"));
-assertTrue(new RegExp("\u{12345}", "u").test("\ud808\udf45"));
-assertTrue(/\u{12345}/u.test("\ud808\udf45"));
-assertFalse(new RegExp("\u{12345}", "u").test("\udf45"));
-assertFalse(/\u{12345}/u.test("\udf45"));
-
-// Multi-character atom.
-assertTrue(new RegExp("\u{12345}\u{23456}", "u").test("a\u{12345}\u{23456}b"));
-assertTrue(/\u{12345}\u{23456}/u.test("b\u{12345}\u{23456}c"));
-assertFalse(new RegExp("\u{12345}\u{23456}", "u").test("a\udf45\u{23456}b"));
-assertFalse(/\u{12345}\u{23456}/u.test("b\udf45\u{23456}c"));
-
-// Disjunction.
-assertTrue(new RegExp("\u{12345}(?:\u{23456})", "u").test(
-    "a\u{12345}\u{23456}b"));
-assertTrue(/\u{12345}(?:\u{23456})/u.test("b\u{12345}\u{23456}c"));
-assertFalse(new RegExp("\u{12345}(?:\u{23456})", "u").test(
-    "a\udf45\u{23456}b"));
-assertFalse(/\u{12345}(?:\u{23456})/u.test("b\udf45\u{23456}c"));
-
-// Alternative.
-assertTrue(new RegExp("\u{12345}|\u{23456}", "u").test("a\u{12345}b"));
-assertTrue(/\u{12345}|\u{23456}/u.test("b\u{23456}c"));
-assertFalse(new RegExp("\u{12345}|\u{23456}", "u").test("a\udf45\ud84db"));
-assertFalse(/\u{12345}|\u{23456}/u.test("b\udf45\ud808c"));
-
-// Capture.
-assertTrue(new RegExp("(\u{12345}|\u{23456}).\\1", "u").test(
-    "\u{12345}b\u{12345}"));
-assertTrue(/(\u{12345}|\u{23456}).\1/u.test("\u{12345}b\u{12345}"));
-assertFalse(new RegExp("(\u{12345}|\u{23456}).\\1", "u").test(
-    "\u{12345}b\u{23456}"));
-assertFalse(/(\u{12345}|\u{23456}).\1/u.test("\u{12345}b\u{23456}"));
-
-// Quantifier.
-assertTrue(new RegExp("\u{12345}{3}", "u").test("\u{12345}\u{12345}\u{12345}"));
-assertTrue(/\u{12345}{3}/u.test("\u{12345}\u{12345}\u{12345}"));
-assertTrue(new RegExp("\u{12345}{3}").test("\u{12345}\udf45\udf45"));
-assertFalse(/\ud808\udf45{3}/u.test("\u{12345}\udf45\udf45"));
-assertTrue(/\ud808\udf45{3}/u.test("\u{12345}\u{12345}\u{12345}"));
-assertFalse(new RegExp("\u{12345}{3}", "u").test("\u{12345}\udf45\udf45"));
-assertFalse(/\u{12345}{3}/u.test("\u{12345}\udf45\udf45"));
-
-// Literal surrogates.
-assertEquals(["\u{10000}\u{10000}"],
-             new RegExp("\ud800\udc00+", "u").exec("\u{10000}\u{10000}"));
-assertEquals(["\u{10000}\u{10000}"],
-             new RegExp("\\ud800\\udc00+", "u").exec("\u{10000}\u{10000}"));
-
-assertEquals(["\u{10003}\u{50001}"],
-             new RegExp("[\\ud800\\udc03-\\ud900\\udc01\]+", "u").exec(
-                 "\u{10003}\u{50001}"));
-assertEquals(["\u{10003}\u{50001}"],
-             new RegExp("[\ud800\udc03-\u{50001}\]+", "u").exec(
-                 "\u{10003}\u{50001}"));
-
-// Unicode escape sequences to represent a non-BMP character cannot have
-// mixed notation, and must follow the rules for RegExpUnicodeEscapeSequence.
-assertThrows(() => new RegExp("[\\ud800\udc03-\ud900\\udc01\]+", "u"));
-assertThrows(() => new RegExp("[\\ud800\udc03-\ud900\\udc01\]+", "u"));
-assertNull(new RegExp("\\ud800\udc00+", "u").exec("\u{10000}\u{10000}"));
-assertNull(new RegExp("\ud800\\udc00+", "u").exec("\u{10000}\u{10000}"));
-
-assertNull(new RegExp("[\\ud800\udc00]", "u").exec("\u{10000}"));
-assertNull(new RegExp("[\\{ud800}\udc00]", "u").exec("\u{10000}"));
-assertNull(new RegExp("[\ud800\\udc00]", "u").exec("\u{10000}"));
-assertNull(new RegExp("[\ud800\\{udc00}]", "u").exec("\u{10000}"));
-
-assertNull(/\u{d800}\u{dc00}+/u.exec("\ud800\udc00\udc00"));
-assertNull(/\ud800\u{dc00}+/u.exec("\ud800\udc00\udc00"));
-assertNull(/\u{d800}\udc00+/u.exec("\ud800\udc00\udc00"));