Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 23 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/isView/arg-is-dataview-subclass-instance.js b/js/src/tests/test262/built-ins/ArrayBuffer/isView/arg-is-dataview-subclass-instance.js
new file mode 100644
index 0000000000..727e318f0d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ArrayBuffer/isView/arg-is-dataview-subclass-instance.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 The V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-arraybuffer.isview
+description: >
+  Return true if arg is an instance from a subclass of DataView
+info: |
+  24.1.3.1 ArrayBuffer.isView ( arg )
+
+  1. If Type(arg) is not Object, return false.
+  2. If arg has a [[ViewedArrayBuffer]] internal slot, return true.
+  3. Return false.
+features: [class, DataView]
+---*/
+
+class DV extends DataView {}
+
+var sample = new DV(new ArrayBuffer(1), 0, 0);
+
+assert(ArrayBuffer.isView(sample));
+
+reportCompare(0, 0);