1 files changed, 130 insertions, 0 deletions
diff --git a/benchmarks/regression/RealToStringBenchmark.java b/benchmarks/regression/RealToStringBenchmark.java
new file mode 100644
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+++ b/benchmarks/regression/RealToStringBenchmark.java
@@ -0,0 +1,130 @@
+/*
+ * 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.Param;
+import com.google.caliper.Runner;
+import com.google.caliper.SimpleBenchmark;
+
+public class RealToStringBenchmark extends SimpleBenchmark {
+
+    private static final float SMALL  = -123.45f;
+    private static final float MEDIUM = -123.45e8f;
+    private static final float LARGE  = -123.45e36f;
+
+    public void timeFloat_toString_NaN(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(Float.NaN);
+        }
+    }
+
+    public void timeFloat_toString_NEGATIVE_INFINITY(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(Float.NEGATIVE_INFINITY);
+        }
+    }
+
+    public void timeFloat_toString_POSITIVE_INFINITY(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(Float.POSITIVE_INFINITY);
+        }
+    }
+
+    public void timeFloat_toString_zero(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(0.0f);
+        }
+    }
+
+    public void timeFloat_toString_minusZero(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(-0.0f);
+        }
+    }
+
+    public void timeFloat_toString_small(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(SMALL);
+        }
+    }
+
+    public void timeFloat_toString_medium(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(MEDIUM);
+        }
+    }
+
+    public void timeFloat_toString_large(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            Float.toString(LARGE);
+        }
+    }
+
+    public void timeStringBuilder_small(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            new StringBuilder().append(SMALL);
+        }
+    }
+
+    public void timeStringBuilder_medium(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            new StringBuilder().append(MEDIUM);
+        }
+    }
+
+    public void timeStringBuilder_large(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            new StringBuilder().append(LARGE);
+        }
+    }
+
+    public void timeFormatter_small(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            String.format("%f", SMALL);
+        }
+    }
+
+    public void timeFormatter_medium(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            String.format("%f", MEDIUM);
+        }
+    }
+
+    public void timeFormatter_large(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            String.format("%f", LARGE);
+        }
+    }
+
+    public void timeFormatter_dot2f_small(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            String.format("%.2f", SMALL);
+        }
+    }
+
+    public void timeFormatter_dot2f_medium(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            String.format("%.2f", MEDIUM);
+        }
+    }
+
+    public void timeFormatter_dot2f_large(int reps) {
+        for (int rep = 0; rep < reps; ++rep) {
+            String.format("%.2f", LARGE);
+        }
+    }
+}