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/*
* Copyright 2006 The Android Open Source Project
*/
import java.lang.reflect.Array;
/**
* Test java.lang.reflect.Array.
*/
public class Main {
public static void main(String[] args) {
testSingleInt();
testSingle();
testMultiInt();
testMulti();
System.out.println("ReflectArrayTest passed");
}
static void testSingleInt() {
Object intArray;
intArray = Array.newInstance(Integer.TYPE, 2);
int[] array = (int[]) intArray;
array[0] = 5;
Array.setInt(intArray, 1, 6);
if (Array.getInt(intArray, 0) != 5)
throw new RuntimeException();
if (array[1] != 6)
throw new RuntimeException();
try {
array[2] = 27;
throw new RuntimeException("store should have failed");
}
catch (ArrayIndexOutOfBoundsException abe) {
}
if (array.length != Array.getLength(intArray) ||
array.length != 2)
{
throw new RuntimeException("bad len");
}
int[][] wrongArray;
try {
wrongArray = (int[][]) intArray;
throw new RuntimeException("cast should have failed");
}
catch (ClassCastException cce) {
}
intArray = Array.newInstance(Integer.TYPE, 0);
if (Array.getLength(intArray) != 0)
throw new RuntimeException();
System.out.println("ReflectArrayTest.testSingleInt passed");
}
static void testSingle() {
Object strArray;
strArray = Array.newInstance(String.class, 2);
String[] array = (String[]) strArray;
array[0] = "entry zero";
Array.set(strArray, 1, "entry one");
//System.out.println("array: " + array);
if (!"entry zero".equals(Array.get(strArray, 0)))
throw new RuntimeException();
if (!"entry one".equals(array[1]))
throw new RuntimeException();
if (array.length != Array.getLength(strArray) ||
array.length != 2)
{
throw new RuntimeException("bad len");
}
System.out.println("ReflectArrayTest.testSingle passed");
}
static void testMultiInt() {
Object intIntIntArray;
int[] dimensions = { 3, 2, 1 };
intIntIntArray = Array.newInstance(Integer.TYPE, dimensions);
int[][][] array3 = (int[][][]) intIntIntArray;
array3[0][0][0] = 123; // trouble
array3[2][1][0] = 456;
try {
array3[2][1][1] = 768;
throw new RuntimeException("store should have failed");
}
catch (ArrayIndexOutOfBoundsException abe) {
}
System.out.println("ReflectArrayTest.testMultiInt passed");
}
static void testMulti() {
Object strStrStrArray;
int[] dimensions = { 1, 2, 3 };
strStrStrArray = Array.newInstance(String.class, dimensions);
String[][][] array3 = (String[][][]) strStrStrArray;
array3[0][0][0] = "zero zero zero";
array3[0][1][2] = "zero one two";
try {
array3[1][0][0] = "bad store";
throw new RuntimeException("store should have failed");
}
catch (ArrayIndexOutOfBoundsException abe) {
}
try {
String[][] array2 = (String[][]) strStrStrArray;
throw new RuntimeException("expecting bad cast");
}
catch (ClassCastException cce) {
}
String[] strar = new String[4];
strar[2] = "zero one two ++";
array3[0][1] = strar;
System.out.println(array3[0][1][2]);
//System.out.println("array3: " + array3);
int[] dimensions2 = { 1, 2 };
strStrStrArray = Array.newInstance(String[].class, dimensions2);
array3 = (String[][][]) strStrStrArray;
array3[0][1] = new String[3];
array3[0][1][2] = "zero one two";
try {
array3[1][0][0] = "bad store";
throw new RuntimeException("store should have failed");
}
catch (ArrayIndexOutOfBoundsException abe) {
}
System.out.println("ReflectArrayTest.testMulti passed");
}
}
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