Adding upstream version 127.0.upstream/127.0

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

1 files changed, 44 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/options-maxbytelength-data-allocation-after-object-creation.js b/js/src/tests/test262/built-ins/ArrayBuffer/options-maxbytelength-data-allocation-after-object-creation.js
new file mode 100644
index 0000000000..4e36933b64
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ArrayBuffer/options-maxbytelength-data-allocation-after-object-creation.js
@@ -0,0 +1,44 @@
+// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- resizable-arraybuffer is not enabled unconditionally, requires shell-options
+// Copyright (C) 2024 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-arraybuffer-length
+description: >
+  The new ArrayBuffer instance is created prior to allocating the Data Block.
+info: |
+  ArrayBuffer ( length [ , options ] )
+
+  ...
+  4. Return ? AllocateArrayBuffer(NewTarget, byteLength, requestedMaxByteLength).
+
+  AllocateArrayBuffer ( constructor, byteLength [ , maxByteLength ] )
+
+  ...
+  4. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%ArrayBuffer.prototype%", slots).
+  5. Let block be ? CreateByteDataBlock(byteLength).
+  ...
+
+features: [resizable-arraybuffer, Reflect.construct]
+---*/
+
+function DummyError() {}
+
+let newTarget = Object.defineProperty(function(){}.bind(null), "prototype", {
+  get() {
+    throw new DummyError();
+  }
+});
+
+assert.throws(DummyError, function() {
+  let byteLength = 0;
+  let options = {
+    maxByteLength: 7 * 1125899906842624
+  };
+
+  // Allocating 7 PiB should fail with a RangeError.
+  // Math.pow(1024, 5) = 1125899906842624
+  Reflect.construct(ArrayBuffer, [], newTarget);
+});
+
+reportCompare(0, 0);