StringUtilTest.java

package ssj.algorithm.string;

import org.junit.Test;

import static org.junit.Assert.*;

/**
 * Created by shenshijun on 15/2/2.
 */
public class StringUtilTest {
    @Test
    public void testUniqueChar() {
        assertTrue(StringUntil.uniqueChar("我是中国人"));
        assertFalse(StringUntil.uniqueChar("I am a chinese"));
    }

    @Test
    public void testDiff() {
        assertTrue(StringUntil.diffChars("我是中国人", "I am an chinese"));
        assertFalse(StringUntil.diffChars("我是中国人", "I am an chinese,中国人"));
    }

    @Test
    public void testPermutation() {
        assertTrue(StringUntil.isPermutation("I am a chinese", "eseinch a ma I"));
        assertFalse(StringUntil.isPermutation("I am a chinese", "esainch a ma I"));
    }

    @Test
    public void testQuickPermutation() {
        assertTrue(StringUntil.isPermutation("I am a chinese", "eseinch a ma I"));
        assertFalse(StringUntil.isPermutation("I am a chinese", "esainch a ma I"));
    }

    @Test
    public void testReplaceSpace() {
        assertEquals(StringUntil.replaceSpace("Mr John Smith"), "Mr%20John%20Smith");
    }

    @Test
    public void testCompress() {
        assertEquals(StringUntil.compress("aabcccccaaa"),"a2b1c5a3");
        assertEquals(StringUntil.compress("aabbccddccaas"),"aabbccddccaas");
    }

}