1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/store/good-views.js b/js/src/tests/test262/built-ins/Atomics/store/good-views.js
new file mode 100644
index 0000000000..c24a7cd4c9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/store/good-views.js
@@ -0,0 +1,71 @@
+// |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics
+// Copyright (C) 2017 Mozilla Corporation.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.store
+description: Test Atomics.store on arrays that allow atomic operations.
+includes: [testAtomics.js, testTypedArray.js]
+features: [ArrayBuffer, Atomics, DataView, SharedArrayBuffer, Symbol, TypedArray]
+---*/
+
+const sab = new SharedArrayBuffer(1024);
+const ab = new ArrayBuffer(16);
+const views = nonClampedIntArrayConstructors.slice();
+
+testWithTypedArrayConstructors(function(TA) {
+  // Make it interesting - use non-zero byteOffsets and non-zero indexes.
+
+  const view = new TA(sab, 32, 20);
+  const control = new TA(ab, 0, 2);
+
+  const values = [
+    10,
+    -5,
+    12345,
+    123456789,
+    Math.PI,
+    "33",
+    {
+      valueOf: function() { return 33; }
+    },
+    undefined
+  ];
+
+  for (let i = 0; i < values.length; i++) {
+    let val = values[i];
+    assert.sameValue(Atomics.store(view, 3, val), ToInteger(val),
+      'Atomics.store(view, 3, val) returns ToInteger(val)');
+
+    control[0] = val;
+    assert.sameValue(
+      view[3],
+      control[0],
+      'The value of view[3] equals the value of `control[0]` (val)'
+    );
+  }
+
+  // In-bounds boundary cases for indexing
+  testWithAtomicsInBoundsIndices(function(IdxGen) {
+    let Idx = IdxGen(view);
+    view.fill(0);
+    Atomics.store(view, Idx, 37);
+    assert.sameValue(Atomics.load(view, Idx), 37, 'Atomics.load(view, Idx) returns 37');
+  });
+}, views);
+
+function ToInteger(v) {
+  v = +v;
+  if (isNaN(v)) {
+    return 0;
+  }
+  if (v == 0 || !isFinite(v)) {
+    return v;
+  }
+  if (v < 0) {
+    return -Math.floor(Math.abs(v));
+  }
+  return Math.floor(v);
+}
+
+reportCompare(0, 0);