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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Atomics/wait/good-views.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Atomics/wait/good-views.js')
-rw-r--r--js/src/tests/test262/built-ins/Atomics/wait/good-views.js69
1 files changed, 69 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/good-views.js b/js/src/tests/test262/built-ins/Atomics/wait/good-views.js
new file mode 100644
index 0000000000..67e4da6314
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/wait/good-views.js
@@ -0,0 +1,69 @@
+// |reftest| skip-if(!this.hasOwnProperty('Atomics')) -- Atomics is not enabled unconditionally
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.wait
+description: >
+ Test Atomics.wait on arrays that allow atomic operations,
+ in an Agent that is allowed to wait.
+includes: [atomicsHelper.js]
+features: [Atomics]
+---*/
+
+// Let's assume 'wait' is not allowed on the main thread,
+// even in the shell.
+
+$262.agent.start(`
+ var sab = new SharedArrayBuffer(1024);
+ var ab = new ArrayBuffer(16);
+
+ var good_indices = [ (view) => 0/-1, // -0
+ (view) => '-0',
+ (view) => view.length - 1,
+ (view) => ({ valueOf: () => 0 }),
+ (view) => ({ toString: () => '0', valueOf: false }) // non-callable valueOf triggers invocation of toString
+ ];
+
+ var view = new Int32Array(sab, 32, 20);
+
+ view[0] = 0;
+ $262.agent.report("A " + Atomics.wait(view, 0, 0, 0))
+ $262.agent.report("B " + Atomics.wait(view, 0, 37, 0));
+
+ // In-bounds boundary cases for indexing
+ for ( let IdxGen of good_indices ) {
+ let Idx = IdxGen(view);
+ view.fill(0);
+ // Atomics.store() computes an index from Idx in the same way as other
+ // Atomics operations, not quite like view[Idx].
+ Atomics.store(view, Idx, 37);
+ $262.agent.report("C " + Atomics.wait(view, Idx, 0));
+ }
+
+ $262.agent.report("done");
+ $262.agent.leaving();
+`);
+
+assert.sameValue(
+ $262.agent.getReport(),
+ 'A timed-out',
+ '$262.agent.getReport() returns "A timed-out"'
+);
+
+assert.sameValue(
+ $262.agent.getReport(),
+ 'B not-equal',
+ '$262.agent.getReport() returns "B not-equal"'
+);
+
+var r;
+while ((r = $262.agent.getReport()) !== "done") {
+ assert.sameValue(
+ r,
+ 'C not-equal',
+ '$262.agent.getReport() returns "C not-equal"'
+ );
+}
+
+reportCompare(0, 0);