1 files changed, 116 insertions, 0 deletions
diff --git a/benchmarks/regression/PropertyAccessBenchmark.java b/benchmarks/regression/PropertyAccessBenchmark.java
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+++ b/benchmarks/regression/PropertyAccessBenchmark.java
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+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+public final class PropertyAccessBenchmark extends SimpleBenchmark {
+    private View view = new View();
+    private Method setX;
+    private GeneratedProperty generatedSetter = new GeneratedSetter();
+    private GeneratedProperty generatedField = new GeneratedField();
+    private Field x;
+    private Object[] argsBox = new Object[1];
+
+    @Override protected void setUp() throws Exception {
+        setX = View.class.getDeclaredMethod("setX", float.class);
+        x = View.class.getDeclaredField("x");
+    }
+
+    public void timeDirectSetter(int reps) {
+        for (int i = 0; i < reps; i++) {
+            view.setX(0.1f);
+        }
+    }
+
+    public void timeDirectFieldSet(int reps) {
+        for (int i = 0; i < reps; i++) {
+            view.x = 0.1f;
+        }
+    }
+
+    public void timeDirectSetterAndBoxing(int reps) {
+        for (int i = 0; i < reps; i++) {
+            Float value = 0.1f;
+            view.setX(value);
+        }
+    }
+
+    public void timeDirectFieldSetAndBoxing(int reps) {
+        for (int i = 0; i < reps; i++) {
+            Float value = 0.1f;
+            view.x = value;
+        }
+    }
+
+    public void timeReflectionSetterAndTwoBoxes(int reps) throws Exception {
+        for (int i = 0; i < reps; i++) {
+            setX.invoke(view, 0.1f);
+        }
+    }
+
+    public void timeReflectionSetterAndOneBox(int reps) throws Exception {
+        for (int i = 0; i < reps; i++) {
+            argsBox[0] = 0.1f;
+            setX.invoke(view, argsBox);
+        }
+    }
+
+    public void timeReflectionFieldSet(int reps) throws Exception {
+        for (int i = 0; i < reps; i++) {
+            x.setFloat(view, 0.1f);
+        }
+    }
+
+    public void timeGeneratedSetter(int reps) throws Exception {
+        for (int i = 0; i < reps; i++) {
+            generatedSetter.setFloat(view, 0.1f);
+        }
+    }
+
+    public void timeGeneratedFieldSet(int reps) throws Exception {
+        for (int i = 0; i < reps; i++) {
+            generatedField.setFloat(view, 0.1f);
+        }
+    }
+
+    static class View {
+        float x;
+
+        public void setX(float x) {
+            this.x = x;
+        }
+    }
+
+    static interface GeneratedProperty {
+        void setFloat(View v, float f);
+    }
+
+    static class GeneratedSetter implements GeneratedProperty {
+        public void setFloat(View v, float f) {
+            v.setX(f);
+        }
+    }
+
+    static class GeneratedField implements GeneratedProperty {
+        public void setFloat(View v, float f) {
+            v.x = f;
+        }
+    }
+}