Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 35 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/DataView/proto-from-ctor-realm-sab.js b/js/src/tests/test262/built-ins/DataView/proto-from-ctor-realm-sab.js
new file mode 100644
index 0000000000..e8a412bd41
--- /dev/null
+++ b/js/src/tests/test262/built-ins/DataView/proto-from-ctor-realm-sab.js
@@ -0,0 +1,35 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2016 the V8 project authors. 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-dataview-buffer-byteoffset-bytelength
+description: Default [[Prototype]] value derived from realm of the newTarget
+info: |
+    [...]
+    12. Let O be ? OrdinaryCreateFromConstructor(NewTarget,
+        "%DataViewPrototype%", « [[DataView]], [[ViewedArrayBuffer]],
+        [[ByteLength]], [[ByteOffset]] »).
+    [...]
+
+    9.1.14 GetPrototypeFromConstructor
+
+    [...]
+    3. Let proto be ? Get(constructor, "prototype").
+    4. If Type(proto) is not Object, then
+       a. Let realm be ? GetFunctionRealm(constructor).
+       b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
+    [...]
+features: [cross-realm, Reflect, SharedArrayBuffer]
+---*/
+
+var other = $262.createRealm().global;
+var C = new other.Function();
+C.prototype = null;
+var buffer = new SharedArrayBuffer(0);
+
+var o = Reflect.construct(DataView, [buffer, 0], C);
+
+assert.sameValue(Object.getPrototypeOf(o), other.DataView.prototype);
+
+reportCompare(0, 0);