JavaObjectsTest.java

/* --------------------------------------------------------- *
 *    __________    D E L T A S C R I P T                    *
 *   (_________()                                            *
 *    /  ===   /   - A fast, dynamic scripting language      *
 *   |  ==    |    - Version 4.13.11.0                       *
 *   /  ===   /    - Developed by Adam R. Nelson             *
 *  |  =  =  |     - 2011-2013                               *
 *  /  ===   /     - Distributed under GNU LGPL v3           *
 * (________()     - http://github.com/ar-nelson/deltascript *
 *                                                           *
 * --------------------------------------------------------- */

package com.sector91.delta.script.test;

import org.junit.Test;
import org.junit.Before;

import com.sector91.delta.script.*;
import com.sector91.delta.script.objects.DS_Blank;
import com.sector91.delta.script.objects.DS_Boolean;
import com.sector91.delta.script.objects.DS_Integer;
import com.sector91.delta.script.objects.DS_Scope;
import com.sector91.delta.script.objects.DS_String;
import com.sector91.delta.script.objects.DS_Tag;
import com.sector91.delta.script.objects.VectorFactory;
import com.sector91.delta.script.objects.reflect.DS_JavaObject;
import com.sector91.delta.script.test.util.DeltaScriptTest;

public class JavaObjectsTest extends DeltaScriptTest
{
    private DS_Scope scope;
    private TestObject jObj;
    
    @Before public void setupTest() throws Exception
    {
        scope = context.createScope();
        jObj = new TestObject("qwertyuiop");
        scope.setJavaObject(DS_Tag.tag("jObj"), jObj);   
    }
    
    @Test public void testAddJavaObject()
    {
        assertEval("jObj", new DS_JavaObject<Object>(jObj), scope);
    }
    
    @Test public void testReadFieldsFromJavaObject()
    {
        assertEval("jObj.name", new DS_String("qwertyuiop"), scope);
        assertEval("jObj.testField", integer(91), scope);
    }
    
    @Test public void testModifyJavaObjectFields()
    {
        assertEval("jObj.testField", integer(91), scope);
        eval("jObj.testField = 8281", scope);
        assertEval("jObj.testField", integer(8281), scope);
    }

    @Test public void testCallMethodWithVoidReturnValue()
    {
        eval("jObj.testVoid()", scope);
    }
    
    @Test public void testCallMethodWithDScriptReturnValue()
    {
        assertEval("jObj.testDSInt()", integer(91), scope);
    }
    
    @Test public void testCallMethodWithJavaReturnValue()
    {
        assertEval("jObj.testInt()", integer(91), scope);
    }
    
    @Test public void testBoxingVariousJavaObjects()
    {
        assertEval("jObj.testBoolean()", DS_Boolean.TRUE, scope);
        assertEval("jObj.testInt()", integer(91), scope);
        assertEval("jObj.testLong()", integer(91), scope);
        assertEval("jObj.testFloat()", decimal(91), scope);
        assertEval("jObj.testDouble()", decimal(91), scope);
        assertEval("jObj.testString()", new DS_String("test"), scope);
        assertEval("jObj.testIntArray()[0]", integer(1), scope);
        assertEval("jObj.testFloatArray()", VectorFactory.fromArray(new float[] {1f, 2f, 3f, 4f}, NumberTypes.SHORT_FLOAT), scope);
        assertEval("jObj.testStringArray()[0]", new DS_String("one"), scope);
        assertEval("jObj.testNull()", DS_Blank.BLANK, scope);
    }

    public final class TestObject
    {
        public String name;
        public int testField = 91;
        
        public TestObject(String name)
        {this.name = name;}
        
        public void testVoid()
        {}
        
        public DS_Integer testDSInt()
        {return (DS_Integer)integer(91);}
        
        public Object testNull()
        {return null;}
        
        public boolean testBoolean()
        {return true;}
        
        public int testInt()
        {return 91;}
        
        public long testLong()
        {return 91L;}
        
        public float testFloat()
        {return 91.0f;}
        
        public double testDouble()
        {return 91.0;}
        
        public String testString()
        {return "test";}
        
        public int[] testIntArray()
        {return new int[] {1, 2, 3, 4};}
        
        public float[] testFloatArray()
        {return new float[] {1.0f, 2.0f, 3.0f, 4.0f};}
        
        public boolean[] testBooleanArray()
        {return new boolean[] {true, false};}
        
        public String[] testStringArray()
        {return new String[] {"one", "two", "three", "four"};}
    }
}