diff --git a/core-java-modules/core-java-arrays-operations-basic/src/test/java/com/baeldung/array/initbooleanarray/InitBooleanArrayUnitTest.java b/core-java-modules/core-java-arrays-operations-basic/src/test/java/com/baeldung/array/initbooleanarray/InitBooleanArrayUnitTest.java new file mode 100644 index 0000000000..86766ad80d --- /dev/null +++ b/core-java-modules/core-java-arrays-operations-basic/src/test/java/com/baeldung/array/initbooleanarray/InitBooleanArrayUnitTest.java @@ -0,0 +1,41 @@ +package com.baeldung.array.initbooleanarray; + +import org.junit.jupiter.api.Test; + +import java.util.Arrays; + +import static org.junit.jupiter.api.Assertions.assertArrayEquals; + +public class InitBooleanArrayUnitTest { + @Test + void whenInitPrimitiveBooleanArray_shouldGetExpectedArray() { + boolean[] expected = { false, false, false, false, false }; + boolean[] myArray = new boolean[5]; + assertArrayEquals(expected, myArray); + } + + @Test + void whenInitPrimitiveBooleanArrayAndUseArrayFill_shouldGetExpectedArray() { + boolean[] expected = { true, true, true, true, true }; + boolean[] myArray = new boolean[5]; + Arrays.fill(myArray, true); + assertArrayEquals(expected, myArray); + } + + @Test + void whenInitBooleanArray_shouldGetExpectedArray() { + Boolean[] expectedAllNull = { null, null, null, null, null }; + Boolean[] myNullArray = new Boolean[5]; + assertArrayEquals(expectedAllNull, myNullArray); + + Boolean[] expectedAllFalse = { false, false, false, false, false }; + Boolean[] myFalseArray = new Boolean[5]; + Arrays.fill(myFalseArray, false); + assertArrayEquals(expectedAllFalse, myFalseArray); + + Boolean[] expectedAllTrue = { true, true, true, true, true }; + Boolean[] myTrueArray = new Boolean[5]; + Arrays.fill(myTrueArray, true); + assertArrayEquals(expectedAllTrue, myTrueArray); + } +}