1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-infer-unicode.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-infer-unicode.js
new file mode 100644
index 0000000000..4b54342f63
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-infer-unicode.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Extended unicode support is determined by internal slot (not `unicode`
+    property)
+es6id: 21.2.5.6
+info: |
+    [...]
+    5. Let global be ToBoolean(Get(rx, "global")).
+    6. ReturnIfAbrupt(global).
+    7. If global is false, then
+       a. Return RegExpExec(rx, S).
+
+    21.2.5.2.1 Runtime Semantics: RegExpExec ( R, S )
+
+    [...]
+    7. Return RegExpBuiltinExec(R, S).
+
+    21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
+
+    [...]
+    12. Let flags be the value of R’s [[OriginalFlags]] internal slot.
+    13. If flags contains "u", let fullUnicode be true, else let fullUnicode be
+        false.
+features: [Symbol.match]
+---*/
+
+var r;
+
+r = /\udf06/;
+Object.defineProperty(r, 'unicode', { value: true });
+assert.notSameValue(r[Symbol.match]('\ud834\udf06'), null);
+
+r = /\udf06/u;
+Object.defineProperty(r, 'unicode', { value: false });
+assert.sameValue(r[Symbol.match]('\ud834\udf06'), null);
+
+reportCompare(0, 0);