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BAEL-2770 Fixed code formatting and improved test cases

This commit is contained in:
Sadanand S. Koli 2019-04-22 20:48:49 +05:30
parent 923019269c
commit 16553936c7
2 changed files with 17 additions and 14 deletions
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4
core-java-arrays/src/main/java/com/baeldung/array/AddElementToEndOfArray.java
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@ -8,7 +8,7 @@ public class AddElementToEndOfArray {
public Integer[] addElementUsingArraysCopyOf(Integer[] srcArray, int elementToAdd) { public Integer[] addElementUsingArraysCopyOf(Integer[] srcArray, int elementToAdd) {
Integer[] destArray = Arrays.copyOf(srcArray, srcArray.length + 1); Integer[] destArray = Arrays.copyOf(srcArray, srcArray.length + 1);
destArray[destArray.length-1] = elementToAdd; destArray[destArray.length - 1] = elementToAdd;
return destArray; return destArray;
} }
@ -26,7 +26,7 @@ public class AddElementToEndOfArray {
System.arraycopy(srcArray, 0, destArray, 0, srcArray.length); System.arraycopy(srcArray, 0, destArray, 0, srcArray.length);
destArray[destArray.length-1] = elementToAdd; destArray[destArray.length - 1] = elementToAdd;
return destArray; return destArray;
} }

25
core-java-arrays/src/test/java/com/baeldung/array/AddElementToEndOfArrayUnitTest.java
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@ -3,44 +3,47 @@ package com.baeldung.array;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertArrayEquals;
public class AddElementToEndOfArrayUnitTest { public class AddElementToEndOfArrayUnitTest {
AddElementToEndOfArray addElementToEndOfArray; AddElementToEndOfArray addElementToEndOfArray;
@Before @Before
public void init(){ public void init() {
addElementToEndOfArray = new AddElementToEndOfArray(); addElementToEndOfArray = new AddElementToEndOfArray();
} }
@Test @Test
public void givenSourceArrayAndElement_whenAddElementUsingArraysCopyIsInvoked_thenNewElementMustBeAdded(){ public void givenSourceArrayAndElement_whenAddElementUsingArraysCopyIsInvoked_thenNewElementMustBeAdded() {
Integer[] sourceArray = {1,2,3,4}; Integer[] sourceArray = {1, 2, 3, 4};
int elementToAdd = 5; int elementToAdd = 5;
Integer[] destArray = addElementToEndOfArray.addElementUsingArraysCopyOf(sourceArray, elementToAdd); Integer[] destArray = addElementToEndOfArray.addElementUsingArraysCopyOf(sourceArray, elementToAdd);
assertEquals(elementToAdd, destArray[destArray.length-1].intValue()); Integer[] expectedArray = {1, 2, 3, 4, 5};
assertArrayEquals(expectedArray, destArray);
} }
@Test @Test
public void givenSourceArrayAndElement_whenAddElementUsingArrayListIsInvoked_thenNewElementMustBeAdded(){ public void givenSourceArrayAndElement_whenAddElementUsingArrayListIsInvoked_thenNewElementMustBeAdded() {
Integer[] sourceArray = {1,2,3,4}; Integer[] sourceArray = {1, 2, 3, 4};
int elementToAdd = 5; int elementToAdd = 5;
Integer[] destArray = addElementToEndOfArray.addElementUsingArrayList(sourceArray, elementToAdd); Integer[] destArray = addElementToEndOfArray.addElementUsingArrayList(sourceArray, elementToAdd);
assertEquals(elementToAdd, destArray[destArray.length-1].intValue()); Integer[] expectedArray = {1, 2, 3, 4, 5};
assertArrayEquals(expectedArray, destArray);
} }
@Test @Test
public void givenSourceArrayAndElement_whenAddElementUsingSystemArrayCopyIsInvoked_thenNewElementMustBeAdded(){ public void givenSourceArrayAndElement_whenAddElementUsingSystemArrayCopyIsInvoked_thenNewElementMustBeAdded() {
Integer[] sourceArray = {1,2,3,4}; Integer[] sourceArray = {1, 2, 3, 4};
int elementToAdd = 5; int elementToAdd = 5;
Integer[] destArray = addElementToEndOfArray.addElementUsingSystemArrayCopy(sourceArray, elementToAdd); Integer[] destArray = addElementToEndOfArray.addElementUsingSystemArrayCopy(sourceArray, elementToAdd);
assertEquals(elementToAdd, destArray[destArray.length-1].intValue()); Integer[] expectedArray = {1, 2, 3, 4, 5};
assertArrayEquals(expectedArray, destArray);
} }
} }