Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 50 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used-sab.js b/js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used-sab.js
new file mode 100644
index 0000000000..ab9dc12ab5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used-sab.js
@@ -0,0 +1,50 @@
+// |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: >
+  Use newTarget's custom constructor prototype if Object
+info: |
+  24.2.2.1 DataView (buffer, byteOffset, byteLength )
+
+  ...
+  12. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DataViewPrototype%",
+  « [[DataView]], [[ViewedArrayBuffer]], [[ByteLength]], [[ByteOffset]] »).
+  ...
+  17. Return O.
+
+  9.1.13 OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ ,
+  internalSlotsList ] )
+
+  ...
+  2. Let proto be ? GetPrototypeFromConstructor(constructor,
+  intrinsicDefaultProto).
+  3. Return ObjectCreate(proto, internalSlotsList).
+
+  9.1.15 GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
+
+  ...
+  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.
+  5. Return proto.
+  ...
+features: [Reflect.construct, SharedArrayBuffer]
+---*/
+
+var buffer = new SharedArrayBuffer(8);
+
+function newTarget() {}
+var proto = {};
+newTarget.prototype = proto;
+
+var sample = Reflect.construct(DataView, [buffer, 0], newTarget);
+
+assert.sameValue(sample.constructor, Object);
+assert.sameValue(Object.getPrototypeOf(sample), proto);
+
+reportCompare(0, 0);