testcmsstringutil.java

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        assertEquals("searchindex", arrayResult[3]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        // test an empty String: 
        toSplit = "";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(0, arrayResult.length);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        // test a whitespace String with truncation:
        toSplit = "               ";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(1, arrayResult.length);
        assertEquals(toSplit, arrayResult[0]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        // test a 1 separator-only String
        toSplit = ",,";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(0, arrayResult.length);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        // test a 2 separator-only String
        toSplit = ",,,,";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(1, arrayResult.length);
        assertEquals("", arrayResult[0]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        // test a single token String with starting delimiter
        toSplit = ",,token";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(1, arrayResult.length);
        assertEquals("token", arrayResult[0]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        // test a single token String with ending delimiter
        toSplit = "token,,";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(1, arrayResult.length);
        assertEquals("token", arrayResult[0]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        // test a 3 separator-only String
        toSplit = ",,,,,,";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(2, arrayResult.length);
        assertEquals("", arrayResult[0]);
        assertEquals("", arrayResult[1]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        toSplit = ",,a, aber nicht b,,,,b, aber nicht c,,c, but not a,,";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(4, arrayResult.length);
        assertEquals("a, aber nicht b", arrayResult[0]);
        assertEquals("", arrayResult[1]);
        assertEquals("b, aber nicht c", arrayResult[2]);
        assertEquals("c, but not a", arrayResult[3]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        delimString = "/delim/";
        toSplit = "/delim fake at start/delim//not a delim//delim//delim//delim fake at end";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(4, arrayResult.length);
        assertEquals("/delim fake at start", arrayResult[0]);
        assertEquals("/not a delim/", arrayResult[1]);
        assertEquals("", arrayResult[2]);
        assertEquals("/delim fake at end", arrayResult[3]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        toSplit = "/delim fake at start/delim//not a delim//delim//delim//delim";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(4, arrayResult.length);
        assertEquals("/delim fake at start", arrayResult[0]);
        assertEquals("/not a delim/", arrayResult[1]);
        assertEquals("", arrayResult[2]);
        assertEquals("/delim", arrayResult[3]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);

        toSplit = "/delim//delim fake at start/delim//not a delim//delim//delim//delim fake at end/delim/";
        arrayResult = CmsStringUtil.splitAsArray(toSplit, delimString);
        assertEquals(4, arrayResult.length);
        assertEquals("/delim fake at start", arrayResult[0]);
        assertEquals("/not a delim/", arrayResult[1]);
        assertEquals("", arrayResult[2]);
        assertEquals("/delim fake at end", arrayResult[3]);
        listResult = CmsStringUtil.splitAsList(toSplit, delimString);
        assertEquals(Arrays.asList(arrayResult), listResult);
    }

    /**
     * Tests the basic String substitution.<p>
     */
    public void testSubstitute() {

        String test, result;

        String content = "<a href=\"/opencms/opencms/test.jpg\">";
        String search = "/opencms/opencms/";
        String replace = "\\${path}";

        test = CmsStringUtil.substitute(content, search, replace);
        System.out.println(test);
        assertEquals(test, "<a href=\"\\${path}test.jpg\">");

        test = CmsStringUtil.substitute(test, replace, search);
        assertEquals(test, "<a href=\"/opencms/opencms/test.jpg\">");

        content = "[0-9]$1/[^a]|/([}>\"'\\[]\\s*)/pics/";
        result = "[0-9]$1/[^a]|/([}>\"'\\[]\\s*)/pucs/";
        test = CmsStringUtil.substitute(content, "i", "u");
        assertEquals(test, result);

        content = "/delim//delim fake at start/delim//not a delim//delim//delim//delim fake at end/delim/";
        result = "REPLACED!/delim fake at startREPLACED!/not a delim/REPLACED!REPLACED!/delim fake at endREPLACED!";
        test = CmsStringUtil.substitute(content, "/delim/", "REPLACED!");
        assertEquals(test, result);
    }

    /**
     * Test case for {@link CmsStringUtil#trimToSize(String, int)} method.<p>
     */
    public void testTrimToSize() {

        String text, result, expected;

        text = "This is a short sentence.";
        expected = text;
        result = CmsStringUtil.trimToSize(text, 75);
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "I am a...";
        result = CmsStringUtil.trimToSize(text, 10, "...");
        assertEquals(expected, result);

        text = "I_am_a_short_sentence.";
        expected = "I_am_a_sh...";
        result = CmsStringUtil.trimToSize(text, 12, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "I am...";
        result = CmsStringUtil.trimToSize(text, 8, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "I...";
        result = CmsStringUtil.trimToSize(text, 7, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "I...";
        result = CmsStringUtil.trimToSize(text, 6, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "I...";
        result = CmsStringUtil.trimToSize(text, 5, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "I...";
        result = CmsStringUtil.trimToSize(text, 4, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "...";
        result = CmsStringUtil.trimToSize(text, 3, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = "..";
        result = CmsStringUtil.trimToSize(text, 2, "...");
        assertEquals(expected, result);

        text = "I am a short sentence.";
        expected = ".";
        result = CmsStringUtil.trimToSize(text, 1, "...");
        assertEquals(expected, result);

        text = null;
        expected = null;
        result = CmsStringUtil.trimToSize(text, 10);
        assertEquals(expected, result);
    }

    /**
     * Test case for {@link CmsStringUtil#lastIndexOf(String, char[])} method.<p>
     */
    public void testLastIndexOf() {

        int result;

        result = CmsStringUtil.lastIndexOf("This is a Text", CmsStringUtil.SENTENCE_ENDING_CHARS);
        assertEquals(-1, result);

        result = CmsStringUtil.lastIndexOf("This ! is ? a . Text", CmsStringUtil.SENTENCE_ENDING_CHARS);
        assertEquals(14, result);
    }

    /**
     * Test case for {@link CmsStringUtil#trimToSize(String, int, int, String)}.<p>
     */
    public void testTrimToSizeText() {

        String text, result, expected;

        text = "This is a short sentence.";
        expected = text;
        result = CmsStringUtil.trimToSize(text, 75, 40, " ...");
        assertEquals(expected, result);

        text = "This is a short sentence. This is a longer sentence at the end of the short sentence.";
        expected = "This is a short sentence. This is a longer sentence at the end of the ...";
        result = CmsStringUtil.trimToSize(text, 75, 40, " ...");
        assertEquals(expected, result);

        text = "This is a short sentence. This is a longer sentence at the end of the short sentence.";
        expected = "This is a short sentence. ...";
        result = CmsStringUtil.trimToSize(text, 75, 75, " ...");
        assertEquals(expected, result);
    }
}