/*
* Copyright (C) 2011 The Guava Authors
*
* 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.common.hash;
import static com.google.common.hash.Hashing.murmur3_32;
import com.google.common.hash.Funnels;
import com.google.common.hash.HashTestUtils.HashFn;
import junit.framework.TestCase;
/**
* Tests for Murmur3Hash32.
*/
public class Murmur3Hash32Test extends TestCase {
public void testParanoid() {
HashFn hf = new HashFn() {
@Override public byte[] hash(byte[] input, int seed) {
Hasher hasher = murmur3_32(seed).newHasher();
Funnels.byteArrayFunnel().funnel(input, hasher);
return hasher.hash().asBytes();
}
};
// the magic number comes from:
// http://code.google.com/p/smhasher/source/browse/trunk/main.cpp, #72
HashTestUtils.verifyHashFunction(hf, 32, 0xB0F57EE3);
}
}