Revision: 11962
Author: [email protected]
Date: Mon Jul 2 03:45:00 2012
Log: Add test case for typed arrays slicing
[email protected]
Review URL: https://chromiumcodereview.appspot.com/10698069
http://code.google.com/p/v8/source/detail?r=11962
Added:
/branches/bleeding_edge/test/mjsunit/typed-array-slice.js
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/typed-array-slice.js Mon Jul 2
03:45:00 2012
@@ -0,0 +1,61 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+// This is a regression test for overlapping key and value registers.
+
+var types = [Array, Int8Array, Uint8Array, Int16Array, Uint16Array,
+ Int32Array, Uint32Array, Uint8ClampedArray, Float32Array,
+ Float64Array];
+
+var results1 = [-2, -2, 254, -2, 65534, -2, 4294967294, 0, -2, -2];
+var results2 = [undefined, -1, 255, -1, 65535, -1, 4294967295, 0, -1, -1];
+var results3 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+var results4 = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
+
+const kElementCount = 40;
+
+function do_slice(a) {
+ return Array.prototype.slice.call(a, 4, 8);
+}
+
+for (var t = 0; t < types.length; t++) {
+ var type = types[t];
+ var a = new type(kElementCount);
+ for (var i = 0; i < kElementCount; ++i ) {
+ a[i] = i-6;
+ }
+ delete a[5];
+ var sliced = do_slice(a);
+
+ %ClearFunctionTypeFeedback(do_slice);
+ assertEquals(results1[t], sliced[0]);
+ assertEquals(results2[t], sliced[1]);
+ assertEquals(results3[t], sliced[2]);
+ assertEquals(results4[t], sliced[3]);
+}
--
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