//
// Copyright (C) 2009 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA).  All Rights Reserved.
//
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3.  The NOSA has been approved by the Open Source
// Initiative.  See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
//
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf.test.vm.reflection;

import gov.nasa.jpf.util.test.TestJPF;

import org.junit.Test;

public class ReflectionTest extends TestJPF {

	static class MyClass {
		void bar() {
			foo();
		}

		// compilation will cause a warning about internal proprietary API that
		// cannot be suppressed, but we have to test this
		// since it is still used by standard libs
		void foo() {
			Class<?> callerCls = sun.reflect.Reflection.getCallerClass(0); // that
																			// would
																			// be
																			// getCallerClass()
			System.out.println("-- getCallerClass(0) = " + callerCls);
			assertTrue(callerCls.getName().equals("sun.reflect.Reflection"));

			callerCls = sun.reflect.Reflection.getCallerClass(1); // foo()
			System.out.println("-- getCallerClass(1) = " + callerCls);
			assertTrue(callerCls.getName().equals(
					"gov.nasa.jpf.test.vm.reflection.ReflectionTest$MyClass"));

			callerCls = sun.reflect.Reflection.getCallerClass(2); // bar()
			System.out.println("-- getCallerClass(2) = " + callerCls);
			assertTrue(callerCls.getName().equals(
					"gov.nasa.jpf.test.vm.reflection.ReflectionTest$MyClass"));

			callerCls = sun.reflect.Reflection.getCallerClass(3); // callIt()
			System.out.println("-- getCallerClass(3) = " + callerCls);
			assertTrue(callerCls.getName().equals(
					"gov.nasa.jpf.test.vm.reflection.ReflectionTest"));

			// <2do> should also test Method.invoke skipping
		}
	}

	void callIt() {
		MyClass o = new MyClass();
		o.bar();
	}

	@Test
	public void testCallerClass() {
		if (verifyNoPropertyViolation()) {
			callIt();
		}
	}
}