34 lines
1.0 KiB
Java
34 lines
1.0 KiB
Java
package com.baeldung.guava;
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import com.google.common.base.CharMatcher;
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import org.junit.Test;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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public class CharMatcherTest {
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@Test
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public void whenMatchingLetterOrString_ShouldReturnTrueForCorrectString() throws Exception {
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String inputString = "someString789";
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boolean result = CharMatcher.javaLetterOrDigit().matchesAllOf(inputString);
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assertTrue(result);
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}
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@Test
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public void whenCollapsingString_ShouldReturnStringWithDashesInsteadOfWhitespaces() throws Exception {
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String inputPhoneNumber = "8 123 456 123";
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String result = CharMatcher.whitespace().collapseFrom(inputPhoneNumber, '-');
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assertEquals("8-123-456-123", result);
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}
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@Test
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public void whenCountingDigitsInString_ShouldReturnActualCountOfDigits() throws Exception {
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String inputPhoneNumber = "8 123 456 123";
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int result = CharMatcher.digit().countIn(inputPhoneNumber);
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assertEquals(10, result);
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}
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}
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