Utf8StringUtilsTest.java

/*
 * Copyright 2012 Janrain, 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.janrain.util;

import com.janrain.commons.util.Utf8StringUtils;
import org.apache.commons.lang.RandomStringUtils;
import org.junit.Test;

import java.util.List;
import java.util.Random;

import static org.junit.Assert.assertEquals;


/**
 * @author Johnny Bufu
 */
public class Utf8StringUtilsTest {

    @Test
    public void testUtf8byteSizeSplit() {
        int runs = 10 + random.nextInt(10);
        System.out.println("Running " + runs + " random UTF-8 string-split tests...");
        for (int r=0; r<runs; r++) {
            String source = RandomStringUtils.random(100000);
            int size = 6 + random.nextInt(1000);
            List<String> splitList = Utf8StringUtils.utf8byteSizeSplit(source, size);
            StringBuilder stiched = new StringBuilder();
            for (String chunk : splitList) {
                stiched.append(chunk);
            }
            assertEquals(source, stiched.toString());
        }
    }

    // - PRIVATE

    private static final Random random = new Random();

}