/* Copyright (c) 2007 Wayne Meissner, All Rights Reserved
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* <p/>
* This library 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
* Lesser General Public License for more details.
*/
package com.sun.jna;
import java.util.Arrays;
import java.util.List;
import junit.framework.TestCase;
import com.sun.jna.VarArgsTest.TestLibrary.TestStructure;
public class VarArgsTest extends TestCase {
final int MAGIC32 = 0x12345678;
public static interface TestLibrary extends Library {
public static class TestStructure extends Structure {
public int magic = 0;
protected List getFieldOrder() {
return Arrays.asList(new String[] { "magic" });
}
}
public int addInt32VarArgs(String fmt, Number... args);
public String returnStringVarArgs(String fmt, Object... args);
public void modifyStructureVarArgs(String fmt, Object arg1, Object... args);
}
TestLibrary lib;
protected void setUp() {
lib = (TestLibrary)Native.loadLibrary("testlib", TestLibrary.class);
}
protected void tearDown() {
lib = null;
}
public void testIntVarArgs() {
int arg1 = 1;
int arg2 = 2;
assertEquals("VarArgs not added correctly", arg1 + arg2,
lib.addInt32VarArgs("dd", new Integer(arg1), new Integer(arg2)));
}
public void testShortVarArgs() {
short arg1 = 1;
short arg2 = 2;
assertEquals("VarArgs not added correctly", arg1 + arg2,
lib.addInt32VarArgs("dd", new Short(arg1), new Short(arg2)));
}
public void testLongVarArgs() {
short arg1 = 1;
short arg2 = 2;
assertEquals("VarArgs not added correctly", arg1 + arg2,
lib.addInt32VarArgs("ll", new Long(arg1), new Long(arg2)));
}
public void testStringVarArgs() {
Object[] args = new Object[] { "Test" };
assertEquals("Did not return correct string", args[0],
lib.returnStringVarArgs("", args));
}
public void testAppendNullToVarargs() {
Number[] args = new Number[] { new Integer(1) };
assertEquals("No trailing NULL was appended to varargs list",
1, lib.addInt32VarArgs("dd", args));
}
public void testModifyStructureInVarargs() {
TestStructure arg1 = new TestStructure();
TestStructure[] varargs = new TestStructure[] { new TestStructure() };
lib.modifyStructureVarArgs("ss", arg1, varargs[0]);
assertEquals("Structure memory not read in fixed arg w/varargs",
MAGIC32, arg1.magic);
assertEquals("Structure memory not read in varargs",
MAGIC32, varargs[0].magic);
}
public static void main(String[] args) {
junit.textui.TestRunner.run(VarArgsTest.class);
}
}