1 files changed, 109 insertions, 0 deletions
diff --git a/js/src/tests/non262/Atomics/cross-compartment.js b/js/src/tests/non262/Atomics/cross-compartment.js
new file mode 100644
index 0000000000..8ef46bda38
--- /dev/null
+++ b/js/src/tests/non262/Atomics/cross-compartment.js
@@ -0,0 +1,109 @@
+// |reftest| skip-if(!this.Atomics||!this.SharedArrayBuffer) fails-if(!xulRuntime.shell)
+
+const otherGlobal = newGlobal();
+
+const intArrayConstructors = [
+  otherGlobal.Int32Array,
+  otherGlobal.Int16Array,
+  otherGlobal.Int8Array,
+  otherGlobal.Uint32Array,
+  otherGlobal.Uint16Array,
+  otherGlobal.Uint8Array,
+];
+
+// Atomics.load
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 1;
+
+  assertEq(Atomics.load(ta, 0), 1);
+}
+
+// Atomics.store
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+
+  Atomics.store(ta, 0, 1);
+
+  assertEq(ta[0], 1);
+}
+
+// Atomics.compareExchange
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 1;
+
+  let val = Atomics.compareExchange(ta, 0, 1, 2);
+
+  assertEq(val, 1);
+  assertEq(ta[0], 2);
+}
+
+// Atomics.exchange
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 1;
+
+  let val = Atomics.exchange(ta, 0, 2);
+
+  assertEq(val, 1);
+  assertEq(ta[0], 2);
+}
+
+// Atomics.add
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 1;
+
+  let val = Atomics.add(ta, 0, 2);
+
+  assertEq(val, 1);
+  assertEq(ta[0], 3);
+}
+
+// Atomics.sub
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 3;
+
+  let val = Atomics.sub(ta, 0, 2);
+
+  assertEq(val, 3);
+  assertEq(ta[0], 1);
+}
+
+// Atomics.and
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 3;
+
+  let val = Atomics.and(ta, 0, 1);
+
+  assertEq(val, 3);
+  assertEq(ta[0], 1);
+}
+
+// Atomics.or
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 2;
+
+  let val = Atomics.or(ta, 0, 1);
+
+  assertEq(val, 2);
+  assertEq(ta[0], 3);
+}
+
+// Atomics.xor
+for (let TA of intArrayConstructors) {
+  let ta = new TA(new otherGlobal.SharedArrayBuffer(4));
+  ta[0] = 3;
+
+  let val = Atomics.xor(ta, 0, 1);
+
+  assertEq(val, 3);
+  assertEq(ta[0], 2);
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);