Mercurial > hg > Members > kono > jpf-core
diff src/tests/gov/nasa/jpf/test/vm/basic/MethodTest.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/tests/gov/nasa/jpf/test/vm/basic/MethodTest.java Fri Jan 23 10:14:01 2015 -0800 @@ -0,0 +1,258 @@ +/* + * Copyright (C) 2014, United States Government, as represented by the + * Administrator of the National Aeronautics and Space Administration. + * All rights reserved. + * + * The Java Pathfinder core (jpf-core) platform is licensed under the + * Apache License, Version 2.0 (the "License"); you may not use this file except + * in compliance with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0. + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package gov.nasa.jpf.test.vm.basic; + +import gov.nasa.jpf.util.test.TestJPF; + +import org.junit.Test; + + +/** + * basic method invocation test + */ + + +interface TMI { + void gna(); +} + +class TestMethodBase extends TestJPF implements TMI { + + int baseData; + + static int sData; + + static { + sData = -1; + } + + static void taz () { + sData = 24; + } + + TestMethodBase (int a) { + assert a == 42; + baseData = 42; + } + + boolean baz (boolean p, byte b, char c, short s, int i, long l, float f, double d, Object o) { + assert p; + assert b == 4; + assert c == '?'; + assert s == 42; + assert i == 4242; + assert l == 424242; + assert f == 4.2f; + assert d == 4.242; + assert o.equals(new Integer(42)); + + baseData = 44; + + return p; + } + + void faz () { + gna(); + } + + @Override + public void gna () { + baseData = 0; + } + + int har () { + return priv(); + } + + private int priv () { + return 7; + } +} + +public class MethodTest extends TestMethodBase { + + int data; + + static void taz () { + sData = 9; + } + + public MethodTest () { + super(42); + + data = 42; + } + + MethodTest (int a) { + super(a); + + data = a; + } + + double foo (boolean p, byte b, char c, short s, int i, long l, float f, double d, Object o) { + assert p; + assert b == 4; + assert c == '?'; + assert s == 42; + assert i == 4242; + assert l == 424242; + assert f == 4.2f; + assert d == 4.242; + assert o.equals(new Integer(42)); + + data = 43; + + return d; + } + + @Override + public void gna () { + baseData = 45; + } + + int priv () { + return 8; + } + + @Test + public void testCtor() { + if (verifyNoPropertyViolation()) { + MethodTest o1 = new MethodTest(); + assert o1.data == 42; + assert o1.baseData == 42; + + MethodTest o2 = new MethodTest(42); + assert o2.data == 42; + assert o2.baseData == 42; + } + } + + @Test + public void testCall() { + if (verifyNoPropertyViolation()) { + MethodTest o = new MethodTest(); + assert o.foo(true, (byte) 4, '?', (short) 42, 4242, 424242, 4.2f, 4.242, new Integer(42)) == 4.242; + assert o.data == 43; + } + } + + @Test + public void testInheritedCall() { + if (verifyNoPropertyViolation()) { + MethodTest o = new MethodTest(); + assert o.baz(true, (byte) 4, '?', (short) 42, 4242, 424242, 4.2f, 4.242, new Integer(42)); + assert o.baseData == 44; + } + } + + @Test + public void testVirtualCall() { + if (verifyNoPropertyViolation()) { + MethodTest o = new MethodTest(); + TestMethodBase b = o; + + b.faz(); + assert o.baseData == 45; + } + } + + @Test + public void testSpecialCall() { + if (verifyNoPropertyViolation()) { + MethodTest o = new MethodTest(); + assert o.har() == 7; + } + } + + @Test + public void testStaticCall() { + if (verifyNoPropertyViolation()) { + assert TestMethodBase.sData == -1; + + MethodTest.taz(); + assert TestMethodBase.sData == 9; + + TestMethodBase.taz(); + assert TestMethodBase.sData == 24; + + // used to be: + //TestMethod o = new TestMethod(); + //o.taz(); + // statically equiv. to this: (no warnings) - pcd + new MethodTest(); + MethodTest.taz(); + + assert TestMethodBase.sData == 9; + } + } + + @Test + public void testInterfaceCall() { + if (verifyNoPropertyViolation()) { + MethodTest o = new MethodTest(); + TMI ifc = o; + + ifc.gna(); + assert o.baseData == 45; + } + } + + static class A { + public int foo () { + assert false : "should bever be invoked"; + return -1; + } + } + + static class A0 extends A { + @Override + public int foo () { + return 0; + } + } + + static class A1 extends A { + @Override + public int foo () { + return 1; + } + } + + /** + * this is tricky - both the allocations and the foo() calls have to be + * the same instructions, and we have to remove all 'a' references before + * forcing a GC. Otherwise we don't allocate 'a's with the same reference values + * + */ + @Test public void testCallAcrossGC () { + + if (verifyNoPropertyViolation()){ + System.out.println("testing virtual calls on GC boundaries"); + A a; + + a = new A0(); + assert a.foo() == 0 : "wrong A.foo() called for A0"; + + // do a GC + Runtime.getRuntime().gc(); // this should recycle 'a' + + a = new A1(); + assert a.foo() == 1 : "wrong A.foo() called for A1"; + } + } +}