1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/init-zero.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/init-zero.js
new file mode 100644
index 0000000000..3146abeecf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/init-zero.js
@@ -0,0 +1,24 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-createsharedbytedatablock
+description: All bytes are initialized to zero
+features: [SharedArrayBuffer, DataView]
+---*/
+
+var view = new DataView(new SharedArrayBuffer(9));
+
+assert.sameValue(view.getUint8(0), 0, 'index 0');
+assert.sameValue(view.getUint8(1), 0, 'index 1');
+assert.sameValue(view.getUint8(2), 0, 'index 2');
+assert.sameValue(view.getUint8(3), 0, 'index 3');
+assert.sameValue(view.getUint8(4), 0, 'index 4');
+assert.sameValue(view.getUint8(5), 0, 'index 5');
+assert.sameValue(view.getUint8(6), 0, 'index 6');
+assert.sameValue(view.getUint8(7), 0, 'index 7');
+assert.sameValue(view.getUint8(8), 0, 'index 8');
+
+reportCompare(0, 0);