/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 2 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.bck2brwsr.tck;

import java.lang.reflect.Array;

import org.apidesign.bck2brwsr.core.JavaScriptBody;

import org.apidesign.bck2brwsr.vmtest.BrwsrTest;

import org.apidesign.bck2brwsr.vmtest.Compare;

import org.apidesign.bck2brwsr.vmtest.VMTest;

import org.testng.annotations.Factory;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class ReflectionArrayTest {

    @Compare public int lengthOfStringArray() {

        String[] arr = (String[]) Array.newInstance(String.class, 10);

        return arr.length;

    }

    @Compare public int reflectiveLengthOfStringArray() {

        Object arr = Array.newInstance(String.class, 10);

        return Array.getLength(arr);

    }

    @Compare public int reflectiveLengthOneNonArray() {

        Object arr = "non-array";

        return Array.getLength(arr);

    }

    @Compare public String compTypeOfStringArray() {

        String[] arr = (String[]) Array.newInstance(String.class, 10);

        return arr.getClass().getComponentType().getName();

    }

    @Compare public Object negativeArrayExcp() {

        return Array.newInstance(String.class, -5);

    }

    @Compare public int lengthOfIntArray() {

        int[] arr = (int[]) Array.newInstance(Integer.TYPE, 10);

        return arr.length;

    }

    @Compare public int reflectiveLengthOfIntArray() {

        Object arr = Array.newInstance(Integer.TYPE, 10);

        return Array.getLength(arr);

    }

    @Compare public String compTypeOfIntArray() {

        int[] arr = (int[]) Array.newInstance(int.class, 10);

        return arr.getClass().getComponentType().getName();

    }

    @Compare public Object intNegativeArrayExcp() {

        return Array.newInstance(int.class, -5);

    }

    @Compare public Integer verifyAutobox() {

        int[] arr = (int[]) Array.newInstance(int.class, 5);

        return (Integer) Array.get(arr, 0);

    }

    @Compare public String verifyObjectArray() {

        String[] arr = (String[]) Array.newInstance(String.class, 5);

        Array.set(arr, 0, "Hello");

        return (String) Array.get(arr, 0);

    }

    @Compare public int verifyInt() {

        int[] arr = (int[]) Array.newInstance(int.class, 5);

        return Array.getInt(arr, 0);

    }

    @Compare public long verifyConvertToLong() {

        int[] arr = (int[]) Array.newInstance(int.class, 5);

        return Array.getLong(arr, 0);

    }

    @Compare public Object verifySetIntToObject() {

        try {

            Object[] arr = (Object[]) Array.newInstance(Object.class, 5);

            Array.setInt(arr, 0, 10);

            return Array.get(arr, 0);

        } catch (Exception exception) {

            return exception.getClass().getName();

        }

    }

    @Compare public long verifySetShort() {

        int[] arr = (int[]) Array.newInstance(int.class, 5);

        Array.setShort(arr, 0, (short)10);

        return Array.getLong(arr, 0);

    }

    @Compare public long verifyCantSetLong() {

        int[] arr = (int[]) Array.newInstance(int.class, 5);

        Array.setLong(arr, 0, 10);

        return Array.getLong(arr, 0);

    }

    @Compare public float verifyLongToFloat() {

        Object arr = Array.newInstance(float.class, 5);

        Array.setLong(arr, 0, 10);

        return Array.getFloat(arr, 0);

    }

    @Compare public double verifyConvertToDouble() {

        int[] arr = (int[]) Array.newInstance(int.class, 5);

        return Array.getDouble(arr, 0);

    }

    @Compare public int multiIntArray() {

        int[][][] arr = (int[][][]) Array.newInstance(int.class, 3, 3, 3);

        return arr[0][1][2] + 5 + arr[2][2][0];

    }

    @Compare public String multiIntArrayCompType() {

        return Array.newInstance(int.class, 3, 3, 3).getClass().getName();

    }

    @JavaScriptBody(args = {}, body = "return [1, 2];")

    private static native Object crtarr();

    @JavaScriptBody(args = {}, body = "return new Object();")

    private static native Object newobj();

    @BrwsrTest

    public static void toStringArray() {

        final Object arr = crtarr();

        final Object real = new Object[2];

        assert arr instanceof Object[] : "Any array is Java array: " + arr;

        assert arr.getClass() == real.getClass() : "Same classes " + arr + " and " + real.getClass();

        final String str = arr.toString();

        assert str != null;

        assert str.startsWith("[Ljava.lang.Object;@") : str;

    }

    @BrwsrTest

    public static void objectToString() {

        String s = newobj().toString();

        assert s != null : "Some string computed";

        assert s.startsWith("java.lang.Object@") : "Regular object toString(): " + s;

    }

    @Factory

    public static Object[] create() {

        return VMTest.create(ReflectionArrayTest.class);

    }

}