BAEL-4301

- Updated assertTrue to assertEqual
- Added examples

core-java-modules/core-java-char/src/test/java/com/baeldung/character/CharacterGeneralCategoryTypeUnitTest.java

@@ -3,35 +3,36 @@ package com.baeldung.character;
 import org.junit.Test;
 
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertEquals;
 
 public class CharacterGeneralCategoryTypeUnitTest {
     @Test
     public void givenACharacter_whenUpperCaseLetter_thenAssertTrue() {
-        assertTrue(Character.getType('U') == Character.UPPERCASE_LETTER);
+        assertEquals(Character.UPPERCASE_LETTER, Character.getType('U'));
     }
 
     @Test
     public void givenACharacter_whenLowerCaseLetter_thenAssertTrue() {
-        assertTrue(Character.getType('u') == Character.LOWERCASE_LETTER);
+        assertEquals(Character.LOWERCASE_LETTER, Character.getType('u'));
     }
 
     @Test
     public void givenACharacter_whenTitleCaseLetter_thenAssertTrue() {
-        assertTrue(Character.getType('\u01f2') == Character.TITLECASE_LETTER);
+        assertEquals(Character.TITLECASE_LETTER, Character.getType('\u01f2'));
     }
 
     @Test
     public void givenACharacter_whenModifierLetter_thenAssertTrue() {
-        assertTrue(Character.getType('\u02b0') == Character.MODIFIER_LETTER);
+        assertEquals(Character.MODIFIER_LETTER, Character.getType('\u02b0'));
     }
 
     @Test
     public void givenACharacter_whenOtherLetter_thenAssertTrue() {
-        assertTrue(Character.getType('\u05d0') == Character.OTHER_LETTER);
+        assertEquals(Character.OTHER_LETTER, Character.getType('\u05d0'));
     }
 
     @Test
     public void givenACharacter_whenLetterNumber_thenAssertTrue() {
-        assertTrue(Character.getType('\u2164') == Character.LETTER_NUMBER);
+        assertEquals(Character.LETTER_NUMBER, Character.getType('\u2164'));
     }
 }

core-java-modules/core-java-char/src/test/java/com/baeldung/character/IsLetterOrAlphabetUnitTest.java

@@ -6,6 +6,27 @@ import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertFalse;
 
 public class IsLetterOrAlphabetUnitTest {
+
+    @Test
+    public void givenACharacter_whenUpperCaseLetter_thenAssertIsAlphabeticTrue() {
+        assertTrue(Character.isAlphabetic('A'));
+    }
+
+    @Test
+    public void givenACharacter_whenTitleCaseLetter_thenAssertIsAlphabeticTrue() {
+        assertTrue(Character.isAlphabetic('\u01f2'));
+    }
+
+    @Test
+    public void givenACharacter_whenLowerCaseLetter_thenAssertIsLetterTrue() {
+        assertTrue(Character.isAlphabetic('a'));
+    }
+
+    @Test
+    public void givenACharacter_whenModifierLetter_thenAssertIsLetterTrue() {
+        assertTrue(Character.isAlphabetic('\u02b0'));
+    }
+
     @Test
     public void givenACharacter_whenLetter_thenAssertIsLetterTrue() {
         assertTrue(Character.isLetter('a'));