Add the code.google.com/p/dalvik benchmarks to libcore.

I'll remove them from code.google.com afterwards.

Change-Id: I369a301ed0e116c7971caebc607c5a86d06d4ee2

1 files changed, 60 insertions, 0 deletions

diff --git a/benchmarks/regression/StringSplitBenchmark.java b/benchmarks/regression/StringSplitBenchmark.java
new file mode 100644
index 0000000..37fdf8f
--- /dev/null
+++ b/benchmarks/regression/StringSplitBenchmark.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package benchmarks.regression;
+
+import com.google.caliper.SimpleBenchmark;
+import java.util.regex.Pattern;
+
+public class StringSplitBenchmark extends SimpleBenchmark {
+    public void timeStringSplitComma(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            "this,is,a,simple,example".split(",");
+        }
+    }
+
+    public void timeStringSplitLiteralDot(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            "this.is.a.simple.example".split("\\.");
+        }
+    }
+
+    public void timeStringSplitNewline(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            "this\nis\na\nsimple\nexample\n".split("\n");
+        }
+    }
+
+    public void timePatternSplitComma(int reps) {
+        Pattern p = Pattern.compile(",");
+        for (int i = 0; i < reps; ++i) {
+            p.split("this,is,a,simple,example");
+        }
+    }
+
+    public void timePatternSplitLiteralDot(int reps) {
+        Pattern p = Pattern.compile("\\.");
+        for (int i = 0; i < reps; ++i) {
+            p.split("this.is.a.simple.example");
+        }
+    }
+
+    public void timeStringSplitHard(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            "this,is,a,harder,example".split("[,]");
+        }
+    }
+}