1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/computed-property-names/class/accessor/getter-duplicates.js b/js/src/tests/test262/language/computed-property-names/class/accessor/getter-duplicates.js
new file mode 100644
index 0000000000..9cc193b0e8
--- /dev/null
+++ b/js/src/tests/test262/language/computed-property-names/class/accessor/getter-duplicates.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 12.2.5
+description: >
+    In a class, duplicate computed property getter names produce only a single property of
+    that name, whose value is the value of the last property of that name.
+---*/
+class C {
+  get ['a']() {
+    return 'A';
+  }
+}
+assert.sameValue(new C().a, 'A', "The value of `new C().a` is `'A'`");
+
+class C2 {
+  get b() {
+    throw new Test262Error("The first `b` getter definition in `C2` is unreachable");
+  }
+  get ['b']() {
+    return 'B';
+  }
+}
+assert.sameValue(new C2().b, 'B', "The value of `new C2().b` is `'B'`");
+
+class C3 {
+  get c() {
+    throw new Test262Error("The first `c` getter definition in `C3` is unreachable");
+  }
+  get ['c']() {
+    throw new Test262Error("The second `c` getter definition in `C3` is unreachable");
+  }
+  get ['c']() {
+    return 'C';
+  }
+}
+assert.sameValue(new C3().c, 'C', "The value of `new C3().c` is `'C'`");
+
+class C4 {
+  get ['d']() {
+    throw new Test262Error("The first `d` getter definition in `C4` is unreachable");
+  }
+  get d() {
+    return 'D';
+  }
+}
+assert.sameValue(new C4().d, 'D', "The value of `new C4().d` is `'D'`");
+
+reportCompare(0, 0);