Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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);