Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 37 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/allocation-limit.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/allocation-limit.js
new file mode 100644
index 0000000000..92f06f5b80
--- /dev/null
+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/allocation-limit.js
@@ -0,0 +1,37 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-sharedarraybuffer-length
+description: >
+  Throws a RangeError if requested Data Block is too large.
+info: |
+  SharedArrayBuffer( length )
+
+  ...
+  3. Return AllocateSharedArrayBuffer(NewTarget, byteLength).
+
+  6.2.7.2 CreateSharedByteDataBlock(size)
+    ...
+    2. Let db be a new Shared Data Block value consisting of size
+       bytes. If it is impossible to create such a Shared Data Block,
+       throw a RangeError exception.
+    ...
+features: [SharedArrayBuffer]
+---*/
+
+assert.throws(RangeError, function() {
+  // Allocating 7 PiB should fail with a RangeError.
+  // Math.pow(1024, 5) = 1125899906842624
+  new SharedArrayBuffer(7 * 1125899906842624);
+}, "`length` parameter is 7 PiB");
+
+assert.throws(RangeError, function() {
+  // Allocating almost 8 PiB should fail with a RangeError.
+  // Math.pow(2, 53) = 9007199254740992
+  new SharedArrayBuffer(9007199254740992 - 1);
+}, "`length` parameter is Math.pow(2, 53) - 1");
+
+reportCompare(0, 0);