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Added Numeric check to StringUtil

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This commit is contained in:
Ziver Koc 2020-06-22 14:57:39 +02:00
parent 8d350d31c5
commit 57bd478e16
3 changed files with 96 additions and 12 deletions
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35
test/zutil/StringUtilTest.java
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@ -29,7 +29,7 @@ import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.*;
public class StringUtilTest {
@ -80,4 +80,37 @@ public class StringUtilTest {
assertEquals("animal,monkey,dog", StringUtil.join(",", Arrays.asList("animal", "monkey", "dog")));
assertEquals("12345", StringUtil.join("", 1,2,3,4,5));
}
@Test
public void isNumber() {
assertFalse(StringUtil.isNumber(null));
assertFalse(StringUtil.isNumber(""));
assertFalse(StringUtil.isNumber("a"));
assertFalse(StringUtil.isNumber("-monkey"));
assertFalse(StringUtil.isNumber("-123monkey"));
assertTrue(StringUtil.isNumber("0"));
assertTrue(StringUtil.isNumber("-1"));
assertTrue(StringUtil.isNumber("-500"));
assertTrue(StringUtil.isNumber("1"));
assertTrue(StringUtil.isNumber("500"));
}
@Test
public void isDecimalNumber() {
assertFalse(StringUtil.isDecimalNumber(null));
assertFalse(StringUtil.isDecimalNumber(""));
assertFalse(StringUtil.isDecimalNumber("a"));
assertFalse(StringUtil.isDecimalNumber("-monkey"));
assertFalse(StringUtil.isDecimalNumber("-123monkey"));
assertTrue(StringUtil.isDecimalNumber("0"));
assertTrue(StringUtil.isDecimalNumber("-1"));
assertTrue(StringUtil.isDecimalNumber("-500"));
assertTrue(StringUtil.isDecimalNumber("1"));
assertTrue(StringUtil.isDecimalNumber("500"));
assertTrue(StringUtil.isDecimalNumber("0.0"));
assertTrue(StringUtil.isDecimalNumber("-1.1"));
assertTrue(StringUtil.isDecimalNumber("-500.2"));
assertTrue(StringUtil.isDecimalNumber("1.3"));
assertTrue(StringUtil.isDecimalNumber("500.500"));
}
}