Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/mjsunit/harmony/unicode-escapes-in-regexps.js b/test/mjsunit/harmony/unicode-escapes-in-regexps.js
new file mode 100644
index 0000000..f591dac
--- /dev/null
+++ b/test/mjsunit/harmony/unicode-escapes-in-regexps.js
@@ -0,0 +1,257 @@
+// 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 --harmony-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"));
+assertTrue(/\ud808\udf45{3}/u.test("\u{12345}\udf45\udf45"));
+assertFalse(new RegExp("\u{12345}{3}", "u").test("\u{12345}\udf45\udf45"));
+assertFalse(/\u{12345}{3}/u.test("\u{12345}\udf45\udf45"));