1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape.js b/js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape.js
new file mode 100644
index 0000000000..3b71e992b6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape.js
@@ -0,0 +1,67 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: B.1.4 is not applied for Unicode RegExp - Identity escape with basic latin characters
+info: |
+    The compatibility extensions defined in B.1.4 Regular Expressions Patterns
+    are not applied for Unicode RegExps.
+    Tested extension: "IdentityEscape[U] :: [~U] SourceCharacter but not c"
+es6id: 21.1.2
+---*/
+
+function isSyntaxCharacter(c) {
+  switch (c) {
+    case "^":
+    case "$":
+    case "\\":
+    case ".":
+    case "*":
+    case "+":
+    case "?":
+    case "(":
+    case ")":
+    case "[":
+    case "]":
+    case "{":
+    case "}":
+    case "|":
+      return true;
+    default:
+      return false;
+  }
+}
+
+function isAlphaDigit(c) {
+  return ("0" <= c && c <= "9") || ("A" <= c && c <= "Z") || ("a" <= c && c <= "z");
+}
+
+
+// IdentityEscape in AtomEscape.
+//
+// AtomEscape[U] :: CharacterEscape[?U]
+// CharacterEscape[U] :: IdentityEscape[?U]
+for (var cu = 0x00; cu <= 0x7f; ++cu) {
+  var s = String.fromCharCode(cu);
+  if (!isAlphaDigit(s) && !isSyntaxCharacter(s) && s !== "/") {
+    assert.throws(SyntaxError, function() {
+      RegExp("\\" + s, "u");
+    }, "Invalid IdentityEscape in AtomEscape: '\\" + s + "'");
+  }
+}
+
+
+// IdentityEscape in ClassEscape.
+//
+// ClassEscape[U] :: CharacterEscape[?U]
+// CharacterEscape[U] :: IdentityEscape[?U]
+for (var cu = 0x00; cu <= 0x7f; ++cu) {
+  var s = String.fromCharCode(cu);
+  if (!isAlphaDigit(s) && !isSyntaxCharacter(s) && s !== "/" && s !== "-") {
+    assert.throws(SyntaxError, function() {
+      RegExp("[\\" + s + "]", "u");
+    }, "Invalid IdentityEscape in ClassEscape: '\\" + s + "'");
+  }
+}
+
+reportCompare(0, 0);