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/*
* 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 java.lang.reflect.Method;
import junit.framework.TestCase;
public class VarArgsCheckerTest extends TestCase {
public void testCreation() throws Exception {
final VarArgsChecker checker = VarArgsChecker.create();
assertNotNull(checker);
}
public void testNoVarArgs() throws Exception {
final VarArgsChecker checker = VarArgsChecker.create();
final Method method = VarArgsCheckerTest.class.getMethod("testNoVarArgs", new Class[0]);
final boolean res = checker.isVarArgs(method);
// no matter if JVM 1.4 or 1.5+, the result should always be false
assertFalse("Method should not be detected as varargs", res);
assertEquals("Non-varargs should return fixed args of zero", 0, checker.fixedArgs(method));
}
public void testVarArgsExist() throws Exception {
final VarArgsChecker checker = VarArgsChecker.create();
final Method method = VarArgsCheckerTest.class.getMethod("methodWithVarArgs", new Class[]{String[].class});
final boolean res = checker.isVarArgs(method);
// this test has to run with Java 1.5+, because this has a method with
// varargs. So the result has to be true.
assertTrue("Method should be detected as varargs", res);
}
public void testFixedArgsOne() throws Exception {
final VarArgsChecker checker = VarArgsChecker.create();
final Method method = VarArgsCheckerTest.class.getMethod("methodWithOneFixedArg", new Class[]{String.class, Object[].class});
final int res = checker.fixedArgs(method);
// this test has to run with Java 1.5+, because this has a method with
// varargs. So the result has to be true.
assertEquals("Wrong number of fixed args", 1, res);
}
public void testFixedArgsTwo() throws Exception {
final VarArgsChecker checker = VarArgsChecker.create();
final Method method = VarArgsCheckerTest.class.getMethod("methodWithTwoFixedArgs", new Class[]{String.class, String.class, Object[].class});
final int res = checker.fixedArgs(method);
// this test has to run with Java 1.5+, because this has a method with
// varargs. So the result has to be true.
assertEquals("Wrong number of fixed args", 2, res);
}
public void methodWithVarArgs(String... args) {
// nothing to do
}
public void methodWithOneFixedArg(String fmt, Object... args) {
// nothing to do
}
public void methodWithTwoFixedArgs(String fmt, String fmt2, Object... args) {
// nothing to do
}
public static void main(String[] args) {
junit.textui.TestRunner.run(VarArgsCheckerTest.class);
}
}
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