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/*
* Copyright (C) 2009 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 com.google.caliper;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import junit.framework.TestCase;
import java.util.Arrays;
import java.util.Collection;
public class DefaultBenchmarkSuiteTest extends TestCase {
public void testIntrospection() {
SampleBenchmarkSuite suite = new SampleBenchmarkSuite();
assertEquals(ImmutableSet.of("a", "b"), suite.parameterNames());
assertEquals(ImmutableSet.of("1", "2", "3"), suite.parameterValues("a"));
assertEquals(ImmutableSet.of("4"), suite.parameterValues("b"));
assertEquals(ImmutableSet.of(
SampleBenchmarkSuite.MultiplyBenchmark.class,
SampleBenchmarkSuite.DivideBenchmark.class),
suite.benchmarkClasses());
}
public void testCreateBenchmark() {
SampleBenchmarkSuite originalSuite = new SampleBenchmarkSuite();
Benchmark benchmark = originalSuite.createBenchmark(
SampleBenchmarkSuite.MultiplyBenchmark.class,
ImmutableMap.of("a", "2", "b", "4"));
SampleBenchmarkSuite.MultiplyBenchmark multiplyBenchmark
= (SampleBenchmarkSuite.MultiplyBenchmark) benchmark;
SampleBenchmarkSuite multiplySuite = multiplyBenchmark.suite();
assertNotSame(originalSuite, multiplySuite);
assertEquals(2, multiplySuite.a);
assertEquals(4, multiplySuite.b);
}
static class SampleBenchmarkSuite extends DefaultBenchmarkSuite {
@Param int a;
private static Collection<Integer> aValues = Arrays.asList(1, 2, 3);
@Param int b;
private static Collection<Integer> bValues() {
return Arrays.asList(4);
}
class MultiplyBenchmark extends Benchmark {
@Override public Object run(int trials) throws Exception {
int result = 0;
for (int i = 0; i < trials; i++) {
result ^= a * b;
}
return result;
}
SampleBenchmarkSuite suite() {
return SampleBenchmarkSuite.this;
}
}
class DivideBenchmark extends Benchmark {
@Override public Object run(int trials) throws Exception {
int result = 0;
for (int i = 0; i < trials; i++) {
result ^= a / b;
}
return result;
}
}
}
}
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