1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/defined-bytelength-and-byteoffset.js b/js/src/tests/test262/built-ins/DataView/defined-bytelength-and-byteoffset.js
new file mode 100644
index 0000000000..a1a7edb7f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/DataView/defined-bytelength-and-byteoffset.js
@@ -0,0 +1,60 @@
+// 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-dataview-buffer-byteoffset-bytelength
+description: >
+  Return new instance from defined length and offset
+info: |
+  24.2.2.1 DataView (buffer, byteOffset, byteLength )
+
+  ...
+  17. Return O.
+---*/
+
+var sample;
+var buffer = new ArrayBuffer(3);
+
+sample = new DataView(buffer, 1, 2);
+assert.sameValue(sample.byteLength, 2, "sample.byteLength");
+assert.sameValue(sample.byteOffset, 1, "sample.byteOffset");
+assert.sameValue(sample.buffer, buffer, "sample.buffer");
+assert.sameValue(sample.constructor, DataView);
+assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);
+
+sample = new DataView(buffer, 1, 0);
+assert.sameValue(sample.byteLength, 0, "sample.byteLength");
+assert.sameValue(sample.byteOffset, 1, "sample.byteOffset");
+assert.sameValue(sample.buffer, buffer, "sample.buffer");
+assert.sameValue(sample.constructor, DataView);
+assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);
+
+sample = new DataView(buffer, 0, 3);
+assert.sameValue(sample.byteLength, 3, "sample.byteLength");
+assert.sameValue(sample.byteOffset, 0, "sample.byteOffset");
+assert.sameValue(sample.buffer, buffer, "sample.buffer");
+assert.sameValue(sample.constructor, DataView);
+assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);
+
+sample = new DataView(buffer, 3, 0);
+assert.sameValue(sample.byteLength, 0, "sample.byteLength");
+assert.sameValue(sample.byteOffset, 3, "sample.byteOffset");
+assert.sameValue(sample.buffer, buffer, "sample.buffer");
+assert.sameValue(sample.constructor, DataView);
+assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);
+
+sample = new DataView(buffer, 0, 1);
+assert.sameValue(sample.byteLength, 1, "sample.byteLength");
+assert.sameValue(sample.byteOffset, 0, "sample.byteOffset");
+assert.sameValue(sample.buffer, buffer, "sample.buffer");
+assert.sameValue(sample.constructor, DataView);
+assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);
+
+sample = new DataView(buffer, 0, 2);
+assert.sameValue(sample.byteLength, 2, "sample.byteLength");
+assert.sameValue(sample.byteOffset, 0, "sample.byteOffset");
+assert.sameValue(sample.buffer, buffer, "sample.buffer");
+assert.sameValue(sample.constructor, DataView);
+assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);
+
+reportCompare(0, 0);