StringUtilsTest.java

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package org.apache.wink.common.internal.utils;

import static org.junit.Assert.assertArrayEquals;
import junit.framework.TestCase;

public class StringUtilsTest extends TestCase {

    public void testFastSplit() {
        String[] result = StringUtils.fastSplit("", ",");
        assertArrayEquals(new String[] {""}, result);

        result = StringUtils.fastSplit(",", ",");
        assertArrayEquals(new String[] {"", ""}, result);

        result = StringUtils.fastSplit(",", ",", false);
        assertArrayEquals(new String[] {""}, result);

        result = StringUtils.fastSplit(null, ",");
        assertArrayEquals(new String[] {}, result);

        result = StringUtils.fastSplit("a", ",");
        assertArrayEquals(new String[] {"a"}, result);

        result = StringUtils.fastSplit("a,b", ",");
        assertArrayEquals(new String[] {"a", "b"}, result);

        result = StringUtils.fastSplit("a,b,c", ",");
        assertArrayEquals(new String[] {"a", "b", "c"}, result);

        result = StringUtils.fastSplit("a,b,c", ",");
        assertArrayEquals(new String[] {"a", "b", "c"}, result);

        result = StringUtils.fastSplit("a,b,", ",");
        assertArrayEquals(new String[] {"a", "b", ""}, result);

        result = StringUtils.fastSplit("a,b,", ",", true);
        assertArrayEquals(new String[] {"a", "b", ""}, result);

        result = StringUtils.fastSplit("a,b,", ",", false);
        assertArrayEquals(new String[] {"a", "b"}, result);

        result = StringUtils.fastSplit(",a,b", ",");
        assertArrayEquals(new String[] {"", "a", "b"}, result);

        result = StringUtils.fastSplit(",a,b,", ",");
        assertArrayEquals(new String[] {"", "a", "b", ""}, result);
    }

    public void testFastSplitTemplate() {
        String[] result = StringUtils.fastSplitTemplate("", ",");
        assertArrayEquals(new String[] {""}, result);

        result = StringUtils.fastSplitTemplate(",", ",");
        assertArrayEquals(new String[] {"", ""}, result);

        result = StringUtils.fastSplitTemplate(",", ",", false);
        assertArrayEquals(new String[] {""}, result);

        result = StringUtils.fastSplitTemplate(null, ",");
        assertArrayEquals(new String[] {}, result);

        result = StringUtils.fastSplitTemplate("a", ",");
        assertArrayEquals(new String[] {"a"}, result);

        result = StringUtils.fastSplitTemplate("a,b", ",");
        assertArrayEquals(new String[] {"a", "b"}, result);

        result = StringUtils.fastSplitTemplate("a,b,c", ",");
        assertArrayEquals(new String[] {"a", "b", "c"}, result);

        result = StringUtils.fastSplitTemplate("a,b,c", ",");
        assertArrayEquals(new String[] {"a", "b", "c"}, result);

        result = StringUtils.fastSplitTemplate("a,b,", ",");
        assertArrayEquals(new String[] {"a", "b", ""}, result);

        result = StringUtils.fastSplitTemplate("a,b,", ",", true);
        assertArrayEquals(new String[] {"a", "b", ""}, result);

        result = StringUtils.fastSplitTemplate("a,b,", ",", false);
        assertArrayEquals(new String[] {"a", "b"}, result);

        result = StringUtils.fastSplitTemplate(",a,b", ",");
        assertArrayEquals(new String[] {"", "a", "b"}, result);

        result = StringUtils.fastSplitTemplate(",a,b,", ",");
        assertArrayEquals(new String[] {"", "a", "b", ""}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c}", ",");
        assertArrayEquals(new String[] {"a", "{b,c}"}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c},d", ",");
        assertArrayEquals(new String[] {"a", "{b,c}", "d"}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c,d},e", ",");
        assertArrayEquals(new String[] {"a", "{b,c,d}", "e"}, result);

        result = StringUtils.fastSplitTemplate("a,{b},c", ",");
        assertArrayEquals(new String[] {"a", "{b}", "c"}, result);

        result = StringUtils.fastSplitTemplate("a,{},b,c", ",");
        assertArrayEquals(new String[] {"a", "{}", "b", "c"}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c},", ",");
        assertArrayEquals(new String[] {"a", "{b,c}", ""}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c", ",");
        assertArrayEquals(new String[] {"a", "{b,c"}, result);

        result = StringUtils.fastSplitTemplate("a,{{b,c}", ",");
        assertArrayEquals(new String[] {"a", "{{b,c}"}, result);

        result = StringUtils.fastSplitTemplate("a,{{b,c},d}", ",");
        assertArrayEquals(new String[] {"a", "{{b,c},d}"}, result);

        result = StringUtils.fastSplitTemplate("a,{{b,c},d},e", ",");
        assertArrayEquals(new String[] {"a", "{{b,c},d}", "e"}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c},{d", ",");
        assertArrayEquals(new String[] {"a", "{b,c}", "{d"}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c},}d}", ",");
        assertArrayEquals(new String[] {"a", "{b,c}", "}d}"}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c},{}d{}", ",");
        assertArrayEquals(new String[] {"a", "{b,c}", "{}d{}"}, result);

        result = StringUtils.fastSplitTemplate("a,b,c}", ",");
        assertArrayEquals(new String[] {"a", "b", "c}"}, result);

        result = StringUtils.fastSplitTemplate("{a,b,c}", ",");
        assertArrayEquals(new String[] {"{a,b,c}"}, result);

        result = StringUtils.fastSplitTemplate("a,{b,c,,},d,{e,f,},g", ",");
        assertArrayEquals(new String[] {"a", "{b,c,,}", "d", "{e,f,}", "g"}, result);

    }
}