1 files changed, 69 insertions, 0 deletions
diff --git a/deps/v8/test/js-perf-test/Strings/string-indexof.js b/deps/v8/test/js-perf-test/Strings/string-indexof.js
new file mode 100644
index 0000000000..a2049e0fe6
--- /dev/null
+++ b/deps/v8/test/js-perf-test/Strings/string-indexof.js
@@ -0,0 +1,69 @@
+// 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('StringIndexOfConstant', [5], [
+  new Benchmark('StringIndexOfConstant', true, false, 0,
+  StringIndexOfConstant),
+]);
+
+new BenchmarkSuite('StringIndexOfNonConstant', [5], [
+  new Benchmark('StringIndexOfNonConstant', true, false, 0,
+  StringIndexOfNonConstant),
+]);
+
+const subject = "aaaaaaaaaaaaaaaab";
+const searches = ['a', 'b', 'c'];
+
+function StringIndexOfConstant() {
+  var sum = 0;
+
+  for (var j = 0; j < searches.length; ++j) {
+    sum += subject.indexOf("" + searches[j]);
+  }
+
+  return sum;
+}
+
+function StringIndexOfNonConstant() {
+  var sum = 0;
+
+  for (var j = 0; j < searches.length; ++j) {
+    sum += subject.indexOf(searches[j]);
+  }
+
+  return sum;
+}
+
+new BenchmarkSuite('StringCharCodeAtConstant', [3], [
+  new Benchmark('StringIndexOfConstant', true, false, 0,
+  StringCharCodeAtConstant),
+]);
+
+new BenchmarkSuite('StringCharCodeAtNonConstant', [3], [
+  new Benchmark('StringIndexOfNonConstant', true, false, 0,
+  StringCharCodeAtNonConstant),
+]);
+
+const string = "qweruiplkjhgfdsazxccvbnm";
+const indices = [1, 13, 32, 100, "xx"];
+
+function StringCharCodeAtConstant() {
+  var sum = 0;
+
+  for (var j = 0; j < indices.length - 1; ++j) {
+    sum += string.charCodeAt(indices[j] | 0);
+  }
+
+  return sum;
+}
+
+function StringCharCodeAtNonConstant() {
+  var sum = 0;
+
+  for (var j = 0; j < indices.length - 1; ++j) {
+    sum += string.charCodeAt(indices[j]);
+  }
+
+  return sum;
+}