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/* Copyright (c) 2018 Matthias Bläsing, All Rights Reserved
*
* The contents of this file is dual-licensed under 2
* alternative Open Source/Free licenses: LGPL 2.1 or later and
* Apache License 2.0. (starting with JNA version 4.0.0).
*
* You can freely decide which license you want to apply to
* the project.
*
* You may obtain a copy of the LGPL License at:
*
* http://www.gnu.org/licenses/licenses.html
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "LGPL2.1".
*
* You may obtain a copy of the Apache License at:
*
* http://www.apache.org/licenses/
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "AL2.0".
*/
package com.sun.jna;
import junit.framework.TestCase;
/**
* Test native calls where the parameters and return types are bound as wrappers
*/
public class ArgumentsWrappersMarshalTest extends TestCase {
public static interface TestLibrary extends Library {
Boolean returnBooleanArgument(Boolean arg);
Byte returnInt8Argument(Byte arg);
Character returnWideCharArgument(Character arg);
Short returnInt16Argument(Short arg);
Integer returnInt32Argument(Integer i);
Long returnInt64Argument(Long l);
Float returnFloatArgument(Float f);
Double returnDoubleArgument(Double d);
Long checkInt64ArgumentAlignment(Integer i, Long j, Integer i2, Long j2);
Double checkDoubleArgumentAlignment(Float i, Double j, Float i2, Double j2);
}
TestLibrary lib;
@Override
protected void setUp() {
lib = Native.load("testlib", TestLibrary.class);
}
@Override
protected void tearDown() {
lib = null;
}
public void testBooleanArgument() {
assertTrue("True argument should be returned",
lib.returnBooleanArgument(true));
assertFalse("False argument should be returned",
lib.returnBooleanArgument(false));
}
public void testInt8Argument() {
Byte b = 0;
assertEquals("Wrong value returned",
b, lib.returnInt8Argument(b));
b = 127;
assertEquals("Wrong value returned",
b, lib.returnInt8Argument(b));
b = -128;
assertEquals("Wrong value returned",
b, lib.returnInt8Argument(b));
}
public void testWideCharArgument() {
Character c = 0;
assertEquals("Wrong value returned",
c, lib.returnWideCharArgument(c));
c = 0xFFFF;
assertEquals("Wrong value returned",
c, lib.returnWideCharArgument(c));
c = 0x7FFF;
assertEquals("Wrong value returned",
c, lib.returnWideCharArgument(c));
}
public void testInt16Argument() {
Short v = 0;
assertEquals("Wrong value returned",
v, lib.returnInt16Argument(v));
v = 32767;
assertEquals("Wrong value returned",
v, lib.returnInt16Argument(v));
v = -32768;
assertEquals("Wrong value returned",
v, lib.returnInt16Argument(v));
}
public void testIntArgument() {
Integer value = 0;
assertEquals("Should return 32-bit argument",
value, lib.returnInt32Argument(value));
value = 1;
assertEquals("Should return 32-bit argument",
value, lib.returnInt32Argument(value));
value = 0x7FFFFFFF;
assertEquals("Should return 32-bit argument",
value, lib.returnInt32Argument(value));
value = 0x80000000;
assertEquals("Should return 32-bit argument",
value, lib.returnInt32Argument(value));
}
public void testLongArgument() {
Long value = 0L;
assertEquals("Should return 64-bit argument",
value, lib.returnInt64Argument(value));
value = 1L;
assertEquals("Should return 64-bit argument",
value, lib.returnInt64Argument(value));
value = 0x7FFFFFFFL;
assertEquals("Should return 64-bit argument",
value, lib.returnInt64Argument(value));
value = 0x80000000L;
assertEquals("Should return 64-bit argument",
value, lib.returnInt64Argument(value));
value = 0x7FFFFFFF00000000L;
assertEquals("Should return 64-bit argument",
value, lib.returnInt64Argument(value));
value = 0x8000000000000000L;
assertEquals("Should return 64-bit argument",
value, lib.returnInt64Argument(value));
}
public void testFloatArgument() {
Float value = 0f;
assertEquals("Should return float argument",
value, lib.returnFloatArgument(value));
value = 4223.4223f;
assertEquals("Should return float argument",
value, lib.returnFloatArgument(value));
value = -4223.4223f;
assertEquals("Should return float argument",
value, lib.returnFloatArgument(value));
}
public void testDoubleArgument() {
Double value = 0d;
assertEquals("Should return double argument",
value, lib.returnDoubleArgument(value));
value = 4223.4223d;
assertEquals("Should return double argument",
value, lib.returnDoubleArgument(value));
value = -4223.4223d;
assertEquals("Should return double argument",
value, lib.returnDoubleArgument(value));
}
public void testInt64ArgumentAlignment() {
long value = lib.checkInt64ArgumentAlignment(0x10101010, 0x1111111111111111L,
0x01010101, 0x2222222222222222L);
assertEquals("Improper handling of interspersed int32/int64",
0x3333333344444444L, value);
}
public void testDoubleArgumentAlignment() {
Double value = lib.checkDoubleArgumentAlignment(1f, 2d, 3f, 4d);
assertEquals("Improper handling of interspersed float/double",
10d, value, 0);
}
public static void main(java.lang.String[] argList) {
junit.textui.TestRunner.run(ArgumentsWrappersMarshalTest.class);
}
}
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