[tests] Add js-perf-test for %TypedArray%.prototype.sort

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

Index: test/js-perf-test/TypedArrays/sort.js
diff --git a/test/js-perf-test/TypedArrays/sort.js b/test/js-perf-test/TypedArrays/sort.js
new file mode 100644
index 0000000000000000000000000000000000000000..aebc981e643cd2aefc9edfc6c138db88c5749a71
--- /dev/null
+++ b/test/js-perf-test/TypedArrays/sort.js
@@ -0,0 +1,33 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+new BenchmarkSuite('Sort', [1000], [
+  new Benchmark('Sort', false, false, 0,
+                sortLarge, sortLargeSetup, sortLargeTearDown),
+]);
+
+var size = 3000;
+var initialLargeFloat64Array = new Array(size);
+for (var i = 0; i < size; ++i) {
+  initialLargeFloat64Array[i] = Math.random();
+}
+initialLargeFloat64Array = new Float64Array(initialLargeFloat64Array);
+var largeFloat64Array;
+
+function sortLarge() {
+  largeFloat64Array.sort();
+}
+
+function sortLargeSetup() {
+  largeFloat64Array = new Float64Array(initialLargeFloat64Array);
+}
+
+function sortLargeTearDown() {
+  for (var i = 0; i < size - 1; ++i) {
+    if (largeFloat64Array[i] > largeFloat64Array[i+1]) {
+      throw new TypeError("Unexpected result!\n" + largeFloat64Array);
+    }
+  }
+  largeFloat64Array = void 0;
+}