@Test(expected = ArrayStoreException.class)
public void testMergeArraysNativeIllegalType() {
char[] chars = {'a', 'b', 'c'};
int[] integers = {1, 2, 3}; // Integer not assignable to String
CollectionUtil.mergeArrays(chars, integers);
}
@Test(expected = ArrayStoreException.class)
public void testMergeArraysObjectIllegalType() {
String[] strings = {"foo", "bar", "baz"};
Integer[] integers = {1, 2, 3}; // Integer not assignable to String
CollectionUtil.mergeArrays(strings, integers);
}
@Test
public void testMergeArraysObjectAssignable() {
Integer[] integers = {1, 2, 3}; // Integer assignable to Object
Object[] merged = (Object[]) CollectionUtil.mergeArrays(stringObjects, integers);
assertArrayEquals(new Object[] {"foo", "bar", "baz", 1, 2, 3}, merged);
}
@Test
public void testMergeArraysNative() {
char[] chars = {'a', 'b', 'c'};
char[] more = {'x', 'y', 'z'};
char[] merged = (char[]) CollectionUtil.mergeArrays(chars, more);
assertArrayEquals(new char[] {'a', 'b', 'c', 'x', 'y', 'z'}, merged);
}
@Test(expected = IndexOutOfBoundsException.class)
public void testMergeArraysObjectNegativeSecondLength() {
CollectionUtil.mergeArrays(stringObjects, 1, 2, integerObjects, 2, -1);
}
@Test(expected = IndexOutOfBoundsException.class)
public void testMergeArraysObjectBadSecondOffset() {
CollectionUtil.mergeArrays(stringObjects, 1, 2, integerObjects, 4, 1);
}
@Test
public void testMergeArraysObjectOffset() {
Object[] merged =
(Object[]) CollectionUtil.mergeArrays(stringObjects, 1, 2, integerObjects, 2, 1);
assertArrayEquals(new Object[] {"bar", "baz", 3}, merged);
}