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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/notify/notify-all-on-loc.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.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/notify/notify-all-on-loc.js')
-rw-r--r--js/src/tests/test262/built-ins/Atomics/notify/notify-all-on-loc.js92
1 files changed, 92 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/notify/notify-all-on-loc.js b/js/src/tests/test262/built-ins/Atomics/notify/notify-all-on-loc.js
new file mode 100644
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+++ b/js/src/tests/test262/built-ins/Atomics/notify/notify-all-on-loc.js
@@ -0,0 +1,92 @@
+// |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.notify
+description: >
+ Test that Atomics.notify notifies all waiters on a location, but does not
+ notify waiters on other locations.
+includes: [atomicsHelper.js]
+features: [Atomics, SharedArrayBuffer, TypedArray]
+---*/
+
+const WAIT_INDEX = 0; // Waiters on this will be woken
+const WAIT_FAKE = 1; // Waiters on this will not be woken
+const RUNNING = 2; // Accounting of live agents
+const NOTIFY_INDEX = 3; // Accounting for too early timeouts
+const NUMAGENT = 3;
+const TIMEOUT_AGENT_MESSAGES = 2; // Number of messages for the timeout agent
+const BUFFER_SIZE = 4;
+
+// Long timeout to ensure the agent doesn't timeout before the main agent calls
+// `Atomics.notify`.
+const TIMEOUT = $262.agent.timeouts.long;
+
+for (var i = 0; i < NUMAGENT; i++) {
+ $262.agent.start(`
+ $262.agent.receiveBroadcast(function(sab) {
+ const i32a = new Int32Array(sab);
+ Atomics.add(i32a, ${RUNNING}, 1);
+
+ $262.agent.report("A " + Atomics.wait(i32a, ${WAIT_INDEX}, 0));
+ $262.agent.leaving();
+ });
+ `);
+}
+
+$262.agent.start(`
+ $262.agent.receiveBroadcast(function(sab) {
+ const i32a = new Int32Array(sab);
+ Atomics.add(i32a, ${RUNNING}, 1);
+
+ // This will always time out.
+ $262.agent.report("B " + Atomics.wait(i32a, ${WAIT_FAKE}, 0, ${TIMEOUT}));
+
+ // If this value is not 1, then the agent timeout before the main agent
+ // called Atomics.notify.
+ const result = Atomics.load(i32a, ${NOTIFY_INDEX}) === 1
+ ? "timeout after Atomics.notify"
+ : "timeout before Atomics.notify";
+ $262.agent.report("W " + result);
+
+ $262.agent.leaving();
+ });
+`);
+
+const i32a = new Int32Array(
+ new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * BUFFER_SIZE)
+);
+
+$262.agent.safeBroadcast(i32a);
+
+// Wait for agents to be running.
+$262.agent.waitUntil(i32a, RUNNING, NUMAGENT + 1);
+
+// Try to yield control to ensure the agent actually started to wait. If we
+// don't, we risk sending the notification before agents are sleeping, and we hang.
+$262.agent.tryYield();
+
+// Notify all waiting on WAIT_INDEX, should be 3 always, they won't time out.
+assert.sameValue(
+ Atomics.notify(i32a, WAIT_INDEX),
+ NUMAGENT,
+ 'Atomics.notify(i32a, WAIT_INDEX) returns the value of `NUMAGENT`'
+);
+
+Atomics.store(i32a, NOTIFY_INDEX, 1);
+
+const reports = [];
+for (var i = 0; i < NUMAGENT + TIMEOUT_AGENT_MESSAGES; i++) {
+ reports.push($262.agent.getReport());
+}
+reports.sort();
+
+for (var i = 0; i < NUMAGENT; i++) {
+ assert.sameValue(reports[i], "A ok", 'The value of reports[i] is "A ok"');
+}
+assert.sameValue(reports[NUMAGENT], "B timed-out", 'The value of reports[NUMAGENT] is "B timed-out"');
+assert.sameValue(reports[NUMAGENT + 1], "W timeout after Atomics.notify",
+ 'The value of reports[NUMAGENT + 1] is "W timeout after Atomics.notify"');
+
+reportCompare(0, 0);