[typedarrays] sort in C++ for undefined comparefn

test/js-perf-test/TypedArrays/sort.js

Index: test/js-perf-test/TypedArrays/sort.js
diff --git a/test/js-perf-test/TypedArrays/typedarrays.js b/test/js-perf-test/TypedArrays/sort.js
similarity index 50%
rename from test/js-perf-test/TypedArrays/typedarrays.js
rename to test/js-perf-test/TypedArrays/sort.js
index fa1be802e0156e013beec78af9df4ee1bd6df1af..27b29855fc0a4b22c25978a4c3510ea6d3b402e1 100644
--- a/test/js-perf-test/TypedArrays/typedarrays.js
+++ b/test/js-perf-test/TypedArrays/sort.js
@@ -2,29 +2,29 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-new BenchmarkSuite('CopyWithin', [1000], [
-  new Benchmark('CopyWithin-Large', false, false, 0,
-                CopyWithinLarge, CopyWithinLargeSetup, CopyWithinLargeTearDown),
+new BenchmarkSuite('Sort', [1000], [
+  new Benchmark('Sort', false, false, 0,
+                sortLarge, sortLargeSetup, sortLargeTearDown),
 ]);
 
-var initialLargeFloat64Array = new Array(10000);
+var initialLargeFloat64Array = new Array(5000);
 for (var i = 0; i < 5000; ++i) {
-  initialLargeFloat64Array[i] = i;
+  initialLargeFloat64Array[i] = Math.random();
 }
 initialLargeFloat64Array = new Float64Array(initialLargeFloat64Array);
 var largeFloat64Array;
 
-function CopyWithinLarge() {
-  largeFloat64Array.copyWithin(5000);
+function sortLarge() {
+  largeFloat64Array.sort();
 }
 
-function CopyWithinLargeSetup() {
+function sortLargeSetup() {
   largeFloat64Array = new Float64Array(initialLargeFloat64Array);
 }
 
-function CopyWithinLargeTearDown() {
-  for (var i = 0; i < 5000; ++i) {
-    if (largeFloat64Array[i + 5000] !== i) {
+function sortLargeTearDown() {
+  for (var i = 0; i < 5000 - 1; ++i) {
+    if (largeFloat64Array[i] > largeFloat64Array[i+1]) {
       throw new TypeError("Unexpected result!\n" + largeFloat64Array);
     }
   }