2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
19 package gov.nasa.jpf.test.basic;
21 import gov.nasa.jpf.Config;
22 import gov.nasa.jpf.util.test.TestJPF;
23 import gov.nasa.jpf.vm.Instruction;
24 import gov.nasa.jpf.vm.StackFrame;
25 import gov.nasa.jpf.vm.ThreadInfo;
27 import org.junit.Test;
30 * basic test for InstructionFactories
32 public class InstructionFactoryTest extends TestJPF {
36 * ..., value1, value2 => ..., result
38 public static class DADD extends gov.nasa.jpf.jvm.bytecode.DADD {
40 public Instruction execute (ThreadInfo ti) {
41 StackFrame frame = ti.getModifiableTopFrame();
43 double v1 = frame.popDouble();
44 double v2 = frame.popDouble();
47 System.out.printf("DADD %f + %f => %f\n", v1, v2, r);
49 System.out.println(" ..but we negate it just for kicks..");
58 public static class MyInsnFactory extends gov.nasa.jpf.jvm.bytecode.InstructionFactory {
59 public MyInsnFactory (Config conf){
64 public Instruction dadd() {
70 public void testDadd() {
71 if (verifyNoPropertyViolation("+jvm.insn_factory.class=.test.basic.InstructionFactoryTest$MyInsnFactory")) {
74 System.out.print("b=");
75 System.out.println(b);
76 assertTrue( b < 0); // since we used our own (twisted) DADD