Java example source code file (ArrayUtilsAddTest.java)
The ArrayUtilsAddTest.java Java example source code
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* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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*/
package org.apache.commons.lang3;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.Arrays;
import org.junit.Test;
/**
* Tests ArrayUtils add methods.
*/
public class ArrayUtilsAddTest {
@Test
public void testJira567(){
Number[] n;
// Valid array construction
n = ArrayUtils.addAll(new Number[]{Integer.valueOf(1)}, new Long[]{Long.valueOf(2)});
assertEquals(2,n.length);
assertEquals(Number.class,n.getClass().getComponentType());
try {
// Invalid - can't store Long in Integer array
n = ArrayUtils.addAll(new Integer[]{Integer.valueOf(1)}, new Long[]{Long.valueOf(2)});
fail("Should have generated IllegalArgumentException");
} catch (final IllegalArgumentException expected) {
}
}
@Test
public void testAddObjectArrayBoolean() {
boolean[] newArray;
newArray = ArrayUtils.add((boolean[])null, false);
assertTrue(Arrays.equals(new boolean[]{false}, newArray));
assertEquals(Boolean.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((boolean[])null, true);
assertTrue(Arrays.equals(new boolean[]{true}, newArray));
assertEquals(Boolean.TYPE, newArray.getClass().getComponentType());
final boolean[] array1 = new boolean[]{true, false, true};
newArray = ArrayUtils.add(array1, false);
assertTrue(Arrays.equals(new boolean[]{true, false, true, false}, newArray));
assertEquals(Boolean.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayByte() {
byte[] newArray;
newArray = ArrayUtils.add((byte[])null, (byte)0);
assertTrue(Arrays.equals(new byte[]{0}, newArray));
assertEquals(Byte.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((byte[])null, (byte)1);
assertTrue(Arrays.equals(new byte[]{1}, newArray));
assertEquals(Byte.TYPE, newArray.getClass().getComponentType());
final byte[] array1 = new byte[]{1, 2, 3};
newArray = ArrayUtils.add(array1, (byte)0);
assertTrue(Arrays.equals(new byte[]{1, 2, 3, 0}, newArray));
assertEquals(Byte.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(array1, (byte)4);
assertTrue(Arrays.equals(new byte[]{1, 2, 3, 4}, newArray));
assertEquals(Byte.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayChar() {
char[] newArray;
newArray = ArrayUtils.add((char[])null, (char)0);
assertTrue(Arrays.equals(new char[]{0}, newArray));
assertEquals(Character.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((char[])null, (char)1);
assertTrue(Arrays.equals(new char[]{1}, newArray));
assertEquals(Character.TYPE, newArray.getClass().getComponentType());
final char[] array1 = new char[]{1, 2, 3};
newArray = ArrayUtils.add(array1, (char)0);
assertTrue(Arrays.equals(new char[]{1, 2, 3, 0}, newArray));
assertEquals(Character.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(array1, (char)4);
assertTrue(Arrays.equals(new char[]{1, 2, 3, 4}, newArray));
assertEquals(Character.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayDouble() {
double[] newArray;
newArray = ArrayUtils.add((double[])null, 0);
assertTrue(Arrays.equals(new double[]{0}, newArray));
assertEquals(Double.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((double[])null, 1);
assertTrue(Arrays.equals(new double[]{1}, newArray));
assertEquals(Double.TYPE, newArray.getClass().getComponentType());
final double[] array1 = new double[]{1, 2, 3};
newArray = ArrayUtils.add(array1, 0);
assertTrue(Arrays.equals(new double[]{1, 2, 3, 0}, newArray));
assertEquals(Double.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(array1, 4);
assertTrue(Arrays.equals(new double[]{1, 2, 3, 4}, newArray));
assertEquals(Double.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayFloat() {
float[] newArray;
newArray = ArrayUtils.add((float[])null, 0);
assertTrue(Arrays.equals(new float[]{0}, newArray));
assertEquals(Float.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((float[])null, 1);
assertTrue(Arrays.equals(new float[]{1}, newArray));
assertEquals(Float.TYPE, newArray.getClass().getComponentType());
final float[] array1 = new float[]{1, 2, 3};
newArray = ArrayUtils.add(array1, 0);
assertTrue(Arrays.equals(new float[]{1, 2, 3, 0}, newArray));
assertEquals(Float.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(array1, 4);
assertTrue(Arrays.equals(new float[]{1, 2, 3, 4}, newArray));
assertEquals(Float.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayInt() {
int[] newArray;
newArray = ArrayUtils.add((int[])null, 0);
assertTrue(Arrays.equals(new int[]{0}, newArray));
assertEquals(Integer.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((int[])null, 1);
assertTrue(Arrays.equals(new int[]{1}, newArray));
assertEquals(Integer.TYPE, newArray.getClass().getComponentType());
final int[] array1 = new int[]{1, 2, 3};
newArray = ArrayUtils.add(array1, 0);
assertTrue(Arrays.equals(new int[]{1, 2, 3, 0}, newArray));
assertEquals(Integer.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(array1, 4);
assertTrue(Arrays.equals(new int[]{1, 2, 3, 4}, newArray));
assertEquals(Integer.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayLong() {
long[] newArray;
newArray = ArrayUtils.add((long[])null, 0);
assertTrue(Arrays.equals(new long[]{0}, newArray));
assertEquals(Long.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((long[])null, 1);
assertTrue(Arrays.equals(new long[]{1}, newArray));
assertEquals(Long.TYPE, newArray.getClass().getComponentType());
final long[] array1 = new long[]{1, 2, 3};
newArray = ArrayUtils.add(array1, 0);
assertTrue(Arrays.equals(new long[]{1, 2, 3, 0}, newArray));
assertEquals(Long.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(array1, 4);
assertTrue(Arrays.equals(new long[]{1, 2, 3, 4}, newArray));
assertEquals(Long.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayShort() {
short[] newArray;
newArray = ArrayUtils.add((short[])null, (short)0);
assertTrue(Arrays.equals(new short[]{0}, newArray));
assertEquals(Short.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add((short[])null, (short)1);
assertTrue(Arrays.equals(new short[]{1}, newArray));
assertEquals(Short.TYPE, newArray.getClass().getComponentType());
final short[] array1 = new short[]{1, 2, 3};
newArray = ArrayUtils.add(array1, (short)0);
assertTrue(Arrays.equals(new short[]{1, 2, 3, 0}, newArray));
assertEquals(Short.TYPE, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(array1, (short)4);
assertTrue(Arrays.equals(new short[]{1, 2, 3, 4}, newArray));
assertEquals(Short.TYPE, newArray.getClass().getComponentType());
}
@Test
public void testAddObjectArrayObject() {
Object[] newArray;
//show that not casting is okay
newArray = ArrayUtils.add((Object[])null, "a");
assertTrue(Arrays.equals(new String[]{"a"}, newArray));
assertTrue(Arrays.equals(new Object[]{"a"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
//show that not casting to Object[] is okay and will assume String based on "a"
final String[] newStringArray = ArrayUtils.add(null, "a");
assertTrue(Arrays.equals(new String[]{"a"}, newStringArray));
assertTrue(Arrays.equals(new Object[]{"a"}, newStringArray));
assertEquals(String.class, newStringArray.getClass().getComponentType());
final String[] stringArray1 = new String[]{"a", "b", "c"};
newArray = ArrayUtils.add(stringArray1, null);
assertTrue(Arrays.equals(new String[]{"a", "b", "c", null}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(stringArray1, "d");
assertTrue(Arrays.equals(new String[]{"a", "b", "c", "d"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
Number[] numberArray1 = new Number[]{Integer.valueOf(1), Double.valueOf(2)};
newArray = ArrayUtils.add(numberArray1, Float.valueOf(3));
assertTrue(Arrays.equals(new Number[]{Integer.valueOf(1), Double.valueOf(2), Float.valueOf(3)}, newArray));
assertEquals(Number.class, newArray.getClass().getComponentType());
numberArray1 = null;
newArray = ArrayUtils.add(numberArray1, Float.valueOf(3));
assertTrue(Arrays.equals(new Float[]{Float.valueOf(3)}, newArray));
assertEquals(Float.class, newArray.getClass().getComponentType());
}
@Test
public void testLANG571(){
final String[] stringArray=null;
final String aString=null;
try {
@SuppressWarnings("unused")
final
String[] sa = ArrayUtils.add(stringArray, aString);
fail("Should have caused IllegalArgumentException");
} catch (final IllegalArgumentException iae){
//expected
}
try {
@SuppressWarnings("unused")
final
String[] sa = ArrayUtils.add(stringArray, 0, aString);
fail("Should have caused IllegalArgumentException");
} catch (final IllegalArgumentException iae){
//expected
}
}
@Test
public void testAddObjectArrayToObjectArray() {
assertNull(ArrayUtils.addAll((Object[]) null, (Object[]) null));
Object[] newArray;
final String[] stringArray1 = new String[]{"a", "b", "c"};
final String[] stringArray2 = new String[]{"1", "2", "3"};
newArray = ArrayUtils.addAll(stringArray1, (String[]) null);
assertNotSame(stringArray1, newArray);
assertTrue(Arrays.equals(stringArray1, newArray));
assertTrue(Arrays.equals(new String[]{"a", "b", "c"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.addAll(null, stringArray2);
assertNotSame(stringArray2, newArray);
assertTrue(Arrays.equals(stringArray2, newArray));
assertTrue(Arrays.equals(new String[]{"1", "2", "3"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.addAll(stringArray1, stringArray2);
assertTrue(Arrays.equals(new String[]{"a", "b", "c", "1", "2", "3"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.addAll(ArrayUtils.EMPTY_STRING_ARRAY, (String[]) null);
assertTrue(Arrays.equals(ArrayUtils.EMPTY_STRING_ARRAY, newArray));
assertTrue(Arrays.equals(new String[]{}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.addAll(null, ArrayUtils.EMPTY_STRING_ARRAY);
assertTrue(Arrays.equals(ArrayUtils.EMPTY_STRING_ARRAY, newArray));
assertTrue(Arrays.equals(new String[]{}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.addAll(ArrayUtils.EMPTY_STRING_ARRAY, ArrayUtils.EMPTY_STRING_ARRAY);
assertTrue(Arrays.equals(ArrayUtils.EMPTY_STRING_ARRAY, newArray));
assertTrue(Arrays.equals(new String[]{}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
final String[] stringArrayNull = new String []{null};
newArray = ArrayUtils.addAll(stringArrayNull, stringArrayNull);
assertTrue(Arrays.equals(new String[]{null, null}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
// boolean
assertTrue( Arrays.equals( new boolean[] { true, false, false, true },
ArrayUtils.addAll( new boolean[] { true, false }, new boolean[] { false, true } ) ) );
assertTrue( Arrays.equals( new boolean[] { false, true },
ArrayUtils.addAll( null, new boolean[] { false, true } ) ) );
assertTrue( Arrays.equals( new boolean[] { true, false },
ArrayUtils.addAll( new boolean[] { true, false }, null ) ) );
// char
assertTrue( Arrays.equals( new char[] { 'a', 'b', 'c', 'd' },
ArrayUtils.addAll( new char[] { 'a', 'b' }, new char[] { 'c', 'd' } ) ) );
assertTrue( Arrays.equals( new char[] { 'c', 'd' },
ArrayUtils.addAll( null, new char[] { 'c', 'd' } ) ) );
assertTrue( Arrays.equals( new char[] { 'a', 'b' },
ArrayUtils.addAll( new char[] { 'a', 'b' }, null ) ) );
// byte
assertTrue( Arrays.equals( new byte[] { (byte) 0, (byte) 1, (byte) 2, (byte) 3 },
ArrayUtils.addAll( new byte[] { (byte) 0, (byte) 1 }, new byte[] { (byte) 2, (byte) 3 } ) ) );
assertTrue( Arrays.equals( new byte[] { (byte) 2, (byte) 3 },
ArrayUtils.addAll( null, new byte[] { (byte) 2, (byte) 3 } ) ) );
assertTrue( Arrays.equals( new byte[] { (byte) 0, (byte) 1 },
ArrayUtils.addAll( new byte[] { (byte) 0, (byte) 1 }, null ) ) );
// short
assertTrue( Arrays.equals( new short[] { (short) 10, (short) 20, (short) 30, (short) 40 },
ArrayUtils.addAll( new short[] { (short) 10, (short) 20 }, new short[] { (short) 30, (short) 40 } ) ) );
assertTrue( Arrays.equals( new short[] { (short) 30, (short) 40 },
ArrayUtils.addAll( null, new short[] { (short) 30, (short) 40 } ) ) );
assertTrue( Arrays.equals( new short[] { (short) 10, (short) 20 },
ArrayUtils.addAll( new short[] { (short) 10, (short) 20 }, null ) ) );
// int
assertTrue( Arrays.equals( new int[] { 1, 1000, -1000, -1 },
ArrayUtils.addAll( new int[] { 1, 1000 }, new int[] { -1000, -1 } ) ) );
assertTrue( Arrays.equals( new int[] { -1000, -1 },
ArrayUtils.addAll( null, new int[] { -1000, -1 } ) ) );
assertTrue( Arrays.equals( new int[] { 1, 1000 },
ArrayUtils.addAll( new int[] { 1, 1000 }, null ) ) );
// long
assertTrue( Arrays.equals( new long[] { 1L, -1L, 1000L, -1000L },
ArrayUtils.addAll( new long[] { 1L, -1L }, new long[] { 1000L, -1000L } ) ) );
assertTrue( Arrays.equals( new long[] { 1000L, -1000L },
ArrayUtils.addAll( null, new long[] { 1000L, -1000L } ) ) );
assertTrue( Arrays.equals( new long[] { 1L, -1L },
ArrayUtils.addAll( new long[] { 1L, -1L }, null ) ) );
// float
assertTrue( Arrays.equals( new float[] { 10.5f, 10.1f, 1.6f, 0.01f },
ArrayUtils.addAll( new float[] { 10.5f, 10.1f }, new float[] { 1.6f, 0.01f } ) ) );
assertTrue( Arrays.equals( new float[] { 1.6f, 0.01f },
ArrayUtils.addAll( null, new float[] { 1.6f, 0.01f } ) ) );
assertTrue( Arrays.equals( new float[] { 10.5f, 10.1f },
ArrayUtils.addAll( new float[] { 10.5f, 10.1f }, null ) ) );
// double
assertTrue( Arrays.equals( new double[] { Math.PI, -Math.PI, 0, 9.99 },
ArrayUtils.addAll( new double[] { Math.PI, -Math.PI }, new double[] { 0, 9.99 } ) ) );
assertTrue( Arrays.equals( new double[] { 0, 9.99 },
ArrayUtils.addAll( null, new double[] { 0, 9.99 } ) ) );
assertTrue( Arrays.equals( new double[] { Math.PI, -Math.PI },
ArrayUtils.addAll( new double[] { Math.PI, -Math.PI }, null ) ) );
}
@Test
public void testAddObjectAtIndex() {
Object[] newArray;
newArray = ArrayUtils.add((Object[])null, 0, "a");
assertTrue(Arrays.equals(new String[]{"a"}, newArray));
assertTrue(Arrays.equals(new Object[]{"a"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
final String[] stringArray1 = new String[]{"a", "b", "c"};
newArray = ArrayUtils.add(stringArray1, 0, null);
assertTrue(Arrays.equals(new String[]{null, "a", "b", "c"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(stringArray1, 1, null);
assertTrue(Arrays.equals(new String[]{"a", null, "b", "c"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(stringArray1, 3, null);
assertTrue(Arrays.equals(new String[]{"a", "b", "c", null}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
newArray = ArrayUtils.add(stringArray1, 3, "d");
assertTrue(Arrays.equals(new String[]{"a", "b", "c", "d"}, newArray));
assertEquals(String.class, newArray.getClass().getComponentType());
assertEquals(String.class, newArray.getClass().getComponentType());
final Object[] o = new Object[] {"1", "2", "4"};
final Object[] result = ArrayUtils.add(o, 2, "3");
final Object[] result2 = ArrayUtils.add(o, 3, "5");
assertNotNull(result);
assertEquals(4, result.length);
assertEquals("1", result[0]);
assertEquals("2", result[1]);
assertEquals("3", result[2]);
assertEquals("4", result[3]);
assertNotNull(result2);
assertEquals(4, result2.length);
assertEquals("1", result2[0]);
assertEquals("2", result2[1]);
assertEquals("4", result2[2]);
assertEquals("5", result2[3]);
// boolean tests
boolean[] booleanArray = ArrayUtils.add( null, 0, true );
assertTrue( Arrays.equals( new boolean[] { true }, booleanArray ) );
try {
booleanArray = ArrayUtils.add( null, -1, true );
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
booleanArray = ArrayUtils.add( new boolean[] { true }, 0, false);
assertTrue( Arrays.equals( new boolean[] { false, true }, booleanArray ) );
booleanArray = ArrayUtils.add( new boolean[] { false }, 1, true);
assertTrue( Arrays.equals( new boolean[] { false, true }, booleanArray ) );
booleanArray = ArrayUtils.add( new boolean[] { true, false }, 1, true);
assertTrue( Arrays.equals( new boolean[] { true, true, false }, booleanArray ) );
try {
booleanArray = ArrayUtils.add( new boolean[] { true, false }, 4, true);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
booleanArray = ArrayUtils.add( new boolean[] { true, false }, -1, true);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
// char tests
char[] charArray = ArrayUtils.add( (char[]) null, 0, 'a' );
assertTrue( Arrays.equals( new char[] { 'a' }, charArray ) );
try {
charArray = ArrayUtils.add( (char[]) null, -1, 'a' );
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
charArray = ArrayUtils.add( new char[] { 'a' }, 0, 'b');
assertTrue( Arrays.equals( new char[] { 'b', 'a' }, charArray ) );
charArray = ArrayUtils.add( new char[] { 'a', 'b' }, 0, 'c');
assertTrue( Arrays.equals( new char[] { 'c', 'a', 'b' }, charArray ) );
charArray = ArrayUtils.add( new char[] { 'a', 'b' }, 1, 'k');
assertTrue( Arrays.equals( new char[] { 'a', 'k', 'b' }, charArray ) );
charArray = ArrayUtils.add( new char[] { 'a', 'b', 'c' }, 1, 't');
assertTrue( Arrays.equals( new char[] { 'a', 't', 'b', 'c' }, charArray ) );
try {
charArray = ArrayUtils.add( new char[] { 'a', 'b' }, 4, 'c');
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
charArray = ArrayUtils.add( new char[] { 'a', 'b' }, -1, 'c');
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
// short tests
short[] shortArray = ArrayUtils.add( new short[] { 1 }, 0, (short) 2);
assertTrue( Arrays.equals( new short[] { 2, 1 }, shortArray ) );
try {
shortArray = ArrayUtils.add( (short[]) null, -1, (short) 2);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
shortArray = ArrayUtils.add( new short[] { 2, 6 }, 2, (short) 10);
assertTrue( Arrays.equals( new short[] { 2, 6, 10 }, shortArray ) );
shortArray = ArrayUtils.add( new short[] { 2, 6 }, 0, (short) -4);
assertTrue( Arrays.equals( new short[] { -4, 2, 6 }, shortArray ) );
shortArray = ArrayUtils.add( new short[] { 2, 6, 3 }, 2, (short) 1);
assertTrue( Arrays.equals( new short[] { 2, 6, 1, 3 }, shortArray ) );
try {
shortArray = ArrayUtils.add( new short[] { 2, 6 }, 4, (short) 10);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
shortArray = ArrayUtils.add( new short[] { 2, 6 }, -1, (short) 10);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
// byte tests
byte[] byteArray = ArrayUtils.add( new byte[] { 1 }, 0, (byte) 2);
assertTrue( Arrays.equals( new byte[] { 2, 1 }, byteArray ) );
try {
byteArray = ArrayUtils.add( (byte[]) null, -1, (byte) 2);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
byteArray = ArrayUtils.add( new byte[] { 2, 6 }, 2, (byte) 3);
assertTrue( Arrays.equals( new byte[] { 2, 6, 3 }, byteArray ) );
byteArray = ArrayUtils.add( new byte[] { 2, 6 }, 0, (byte) 1);
assertTrue( Arrays.equals( new byte[] { 1, 2, 6 }, byteArray ) );
byteArray = ArrayUtils.add( new byte[] { 2, 6, 3 }, 2, (byte) 1);
assertTrue( Arrays.equals( new byte[] { 2, 6, 1, 3 }, byteArray ) );
try {
byteArray = ArrayUtils.add( new byte[] { 2, 6 }, 4, (byte) 3);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
byteArray = ArrayUtils.add( new byte[] { 2, 6 }, -1, (byte) 3);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
// int tests
int[] intArray = ArrayUtils.add( new int[] { 1 }, 0, 2);
assertTrue( Arrays.equals( new int[] { 2, 1 }, intArray ) );
try {
intArray = ArrayUtils.add( (int[]) null, -1, 2);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
intArray = ArrayUtils.add( new int[] { 2, 6 }, 2, 10);
assertTrue( Arrays.equals( new int[] { 2, 6, 10 }, intArray ) );
intArray = ArrayUtils.add( new int[] { 2, 6 }, 0, -4);
assertTrue( Arrays.equals( new int[] { -4, 2, 6 }, intArray ) );
intArray = ArrayUtils.add( new int[] { 2, 6, 3 }, 2, 1);
assertTrue( Arrays.equals( new int[] { 2, 6, 1, 3 }, intArray ) );
try {
intArray = ArrayUtils.add( new int[] { 2, 6 }, 4, 10);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
intArray = ArrayUtils.add( new int[] { 2, 6 }, -1, 10);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
// long tests
long[] longArray = ArrayUtils.add( new long[] { 1L }, 0, 2L);
assertTrue( Arrays.equals( new long[] { 2L, 1L }, longArray ) );
try {
longArray = ArrayUtils.add( (long[]) null, -1, 2L);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
longArray = ArrayUtils.add( new long[] { 2L, 6L }, 2, 10L);
assertTrue( Arrays.equals( new long[] { 2L, 6L, 10L }, longArray ) );
longArray = ArrayUtils.add( new long[] { 2L, 6L }, 0, -4L);
assertTrue( Arrays.equals( new long[] { -4L, 2L, 6L }, longArray ) );
longArray = ArrayUtils.add( new long[] { 2L, 6L, 3L }, 2, 1L);
assertTrue( Arrays.equals( new long[] { 2L, 6L, 1L, 3L }, longArray ) );
try {
longArray = ArrayUtils.add( new long[] { 2L, 6L }, 4, 10L);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
longArray = ArrayUtils.add( new long[] { 2L, 6L }, -1, 10L);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
// float tests
float[] floatArray = ArrayUtils.add( new float[] { 1.1f }, 0, 2.2f);
assertTrue( Arrays.equals( new float[] { 2.2f, 1.1f }, floatArray ) );
try {
floatArray = ArrayUtils.add( (float[]) null, -1, 2.2f);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
floatArray = ArrayUtils.add( new float[] { 2.3f, 6.4f }, 2, 10.5f);
assertTrue( Arrays.equals( new float[] { 2.3f, 6.4f, 10.5f }, floatArray ) );
floatArray = ArrayUtils.add( new float[] { 2.6f, 6.7f }, 0, -4.8f);
assertTrue( Arrays.equals( new float[] { -4.8f, 2.6f, 6.7f }, floatArray ) );
floatArray = ArrayUtils.add( new float[] { 2.9f, 6.0f, 0.3f }, 2, 1.0f);
assertTrue( Arrays.equals( new float[] { 2.9f, 6.0f, 1.0f, 0.3f }, floatArray ) );
try {
floatArray = ArrayUtils.add( new float[] { 2.3f, 6.4f }, 4, 10.5f);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
floatArray = ArrayUtils.add( new float[] { 2.3f, 6.4f }, -1, 10.5f);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
// double tests
double[] doubleArray = ArrayUtils.add( new double[] { 1.1 }, 0, 2.2);
assertTrue( Arrays.equals( new double[] { 2.2, 1.1 }, doubleArray ) );
try {
doubleArray = ArrayUtils.add( (double[]) null, -1, 2.2);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 0", e.getMessage());
}
doubleArray = ArrayUtils.add( new double[] { 2.3, 6.4 }, 2, 10.5);
assertTrue( Arrays.equals( new double[] { 2.3, 6.4, 10.5 }, doubleArray ) );
doubleArray = ArrayUtils.add( new double[] { 2.6, 6.7 }, 0, -4.8);
assertTrue( Arrays.equals( new double[] { -4.8, 2.6, 6.7 }, doubleArray ) );
doubleArray = ArrayUtils.add( new double[] { 2.9, 6.0, 0.3 }, 2, 1.0);
assertTrue( Arrays.equals( new double[] { 2.9, 6.0, 1.0, 0.3 }, doubleArray ) );
try {
doubleArray = ArrayUtils.add( new double[] { 2.3, 6.4 }, 4, 10.5);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: 4, Length: 2", e.getMessage());
}
try {
doubleArray = ArrayUtils.add( new double[] { 2.3, 6.4 }, -1, 10.5);
} catch(final IndexOutOfBoundsException e) {
assertEquals("Index: -1, Length: 2", e.getMessage());
}
}
}
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