/*
* Copyright (c) 2016, MGrossmann
* All rights reserved.
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* modification, are permitted provided that the following conditions are met:
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package org.jowidgets.util;
import java.util.Arrays;
import junit.framework.Assert;
import org.junit.Test;
public class StringUtilsTest {
@Test
public void testConcatElementsBy() {
Assert.assertEquals("A, B, C", StringUtils.concatElementsSeparatedByComma(Arrays.asList("A", "B", "C")));
Assert.assertEquals("A, C", StringUtils.concatElementsSeparatedByComma(Arrays.asList("A", null, "C")));
Assert.assertEquals("A", StringUtils.concatElementsSeparatedByComma(Arrays.asList("A", null, null)));
Assert.assertEquals("", StringUtils.concatElementsSeparatedByComma(Arrays.asList(null, null, null)));
Assert.assertEquals("A,B,C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", "B", "C"), ","));
Assert.assertEquals("A,C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", null, "C"), ","));
Assert.assertEquals("A", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", null, null), ","));
Assert.assertEquals("", StringUtils.concatElementsSeparatedBy(Arrays.asList(null, null, null), ","));
Assert.assertEquals("A, B, C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", "B", "C"), ", "));
Assert.assertEquals("A, C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", null, "C"), ", "));
Assert.assertEquals("A", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", null, null), ", "));
Assert.assertEquals("", StringUtils.concatElementsSeparatedBy(Arrays.asList(null, null, null), ", "));
Assert.assertEquals("A, B, C", StringUtils.concatElementsSeparatedByComma(Arrays.asList("A", "B", "C")));
Assert.assertEquals("A, C", StringUtils.concatElementsSeparatedByComma(Arrays.asList("A", "", "C")));
Assert.assertEquals("A", StringUtils.concatElementsSeparatedByComma(Arrays.asList("A", "", null)));
Assert.assertEquals("", StringUtils.concatElementsSeparatedByComma(Arrays.asList(null, "", null)));
Assert.assertEquals("A,B,C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", "B", "C"), ","));
Assert.assertEquals("A,C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", "", "C"), ","));
Assert.assertEquals("A", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", null, null), ","));
Assert.assertEquals("", StringUtils.concatElementsSeparatedBy(Arrays.asList("", null, ""), ","));
Assert.assertEquals("A, B, C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", "B", "C"), ", "));
Assert.assertEquals("A, C", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", "", "C"), ", "));
Assert.assertEquals("A", StringUtils.concatElementsSeparatedBy(Arrays.asList("A", "", ""), ", "));
Assert.assertEquals("", StringUtils.concatElementsSeparatedBy(Arrays.asList("", "", ""), ", "));
}
@Test
public void testConcat() {
Assert.assertEquals("A,B,C", StringUtils.concat(",", "A", "B", "C"));
Assert.assertEquals("A,C", StringUtils.concat(",", "A", null, "C"));
Assert.assertEquals("A", StringUtils.concat(",", "A", null, null));
Assert.assertEquals("", StringUtils.concat(",", null, null, null));
Assert.assertEquals("A, B, C", StringUtils.concat(", ", "A", "B", "C"));
Assert.assertEquals("A, C", StringUtils.concat(", ", "A", null, "C"));
Assert.assertEquals("A", StringUtils.concat(", ", "A", null, null));
Assert.assertEquals("", StringUtils.concat(", ", null, null, null));
Assert.assertEquals("A, B, C", StringUtils.concat(", ", "A", "B", "C"));
Assert.assertEquals("A, C", StringUtils.concat(", ", "A", "", "C"));
Assert.assertEquals("A", StringUtils.concat(", ", "A", "", null));
Assert.assertEquals("", StringUtils.concat(", ", null, "", null));
}
@Test
public void testCountMatches() {
Assert.assertEquals(0, StringUtils.countMatches(null, null));
Assert.assertEquals(0, StringUtils.countMatches("foo", null));
Assert.assertEquals(0, StringUtils.countMatches(null, "foo"));
Assert.assertEquals(1, StringUtils.countMatches("abcdefghijkl", "e"));
Assert.assertEquals(4, StringUtils.countMatches("abcdeeefgheijkl", "e"));
Assert.assertEquals(7, StringUtils.countMatches("eabcdeeefgheijkele", "e"));
Assert.assertEquals(11, StringUtils.countMatches("eeeabcdeeefgheijkeleee", "e"));
Assert.assertEquals(1, StringUtils.countMatches("abcdefghijkl", 'e'));
Assert.assertEquals(4, StringUtils.countMatches("abcdeeefgheijkl", 'e'));
Assert.assertEquals(7, StringUtils.countMatches("eabcdeeefgheijkele", 'e'));
Assert.assertEquals(11, StringUtils.countMatches("eeeabcdeeefgheijkeleee", 'e'));
Assert.assertEquals(3, StringUtils.countMatches("abbabaabbaa", "ab"));
Assert.assertEquals(1, StringUtils.countMatches("abbabaabbaa", "aab"));
}
}