Mercurial > hg > Members > kono > jpf-core
view src/main/gov/nasa/jpf/util/event/TestEventTree.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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/* * 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.util.event; /** * EventTree that can check traces and coverage against expected traces * for testing purposes. * * This has little purpose except of keeping tree spec and expected traces * together in the same native class, so that we can check paths ad hoc * from regression tests without having to create expected path strings * in the JPF part of the test, only to translate them into native strings */ public class TestEventTree extends EventTree { protected String[] expected; // to be optionally initialized by subclasses public TestEventTree (){ // nothing here } public TestEventTree (Event root){ super(root); } @Override public boolean checkPath (Event lastEvent) { if (expected != null){ return checkPath( lastEvent, expected); } else { System.err.println("warning: trying to check path of " + this + " without 'expected' specification"); return true; // nothing to check } } @Override public boolean isCompletelyCovered (){ if (expected != null){ return isCompletelyCovered(expected); } else { System.err.println("warning: trying to check coverage of " + this + " without 'expected' specification"); return true; } } public boolean isCompletelyCovered (String[] expected) { for (int i = 0; i < expected.length; i++) { if (expected[i] != null) { // no checkPath() call for this one return false; } } return true; // no un-visited expected trace left } public float getPathCoverage (String[] expected) { int n = 0; for (int i = 0; i < expected.length; i++) { if (expected[i] == null) { n++; } } return (float) n / expected.length; } }