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-rw-r--r--js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js62
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js b/js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js
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index 0000000000..e5ecb4a34b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js
@@ -0,0 +1,62 @@
+// |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) 2018 Amal Hussein. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.wait
+description: >
+ Returns "not-equal" when value arg does not match an index in the typedArray
+info: |
+ Atomics.wait( typedArray, index, value, timeout )
+
+ 3.Let v be ? ToInt32(value).
+ ...
+ 14.If v is not equal to w, then
+ a.Perform LeaveCriticalSection(WL).
+ b. Return the String "not-equal".
+
+includes: [atomicsHelper.js]
+features: [Atomics, SharedArrayBuffer, TypedArray]
+---*/
+
+const RUNNING = 1;
+
+var value = 42;
+
+$262.agent.start(`
+ $262.agent.receiveBroadcast(function(sab) {
+ const i32a = new Int32Array(sab);
+ Atomics.add(i32a, ${RUNNING}, 1);
+
+ $262.agent.report(Atomics.store(i32a, 0, ${value}));
+ $262.agent.report(Atomics.wait(i32a, 0, 0));
+ $262.agent.leaving();
+ });
+`);
+
+const i32a = new Int32Array(
+ new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
+);
+
+// NB: We don't actually explicitly need to wait for the agent to start in this
+// test case, we only do it for consistency with other test cases which do
+// require the main agent to wait and yield control.
+
+$262.agent.safeBroadcast(i32a);
+$262.agent.waitUntil(i32a, RUNNING, 1);
+
+// Try to yield control to ensure the agent actually started to wait.
+$262.agent.tryYield();
+
+assert.sameValue(
+ $262.agent.getReport(),
+ value.toString(),
+ '$262.agent.getReport() returns value.toString()'
+);
+assert.sameValue(
+ $262.agent.getReport(),
+ 'not-equal',
+ '$262.agent.getReport() returns "not-equal"'
+);
+
+reportCompare(0, 0);