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src/test/java/il/ac/bgu/cs/bp/bpjs/analysis/DFSVerifierTests/DfsBProgramVerifierTest.java
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| /* | ||
| * The MIT License | ||
| * | ||
| * Copyright 2017 michael. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
| package il.ac.bgu.cs.bp.bpjs.analysis.DFSVerifierTests; | ||
|
|
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| import static il.ac.bgu.cs.bp.bpjs.TestUtils.eventNamesString; | ||
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| import il.ac.bgu.cs.bp.bpjs.analysis.*; | ||
| import il.ac.bgu.cs.bp.bpjs.model.BProgram; | ||
| import il.ac.bgu.cs.bp.bpjs.execution.BProgramRunner; | ||
| import il.ac.bgu.cs.bp.bpjs.model.SingleResourceBProgram; | ||
| import il.ac.bgu.cs.bp.bpjs.execution.listeners.InMemoryEventLoggingListener; | ||
| import il.ac.bgu.cs.bp.bpjs.execution.listeners.PrintBProgramRunnerListener; | ||
|
|
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| import org.junit.Test; | ||
|
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| import static il.ac.bgu.cs.bp.bpjs.TestUtils.traceEventNamesString; | ||
| import static org.junit.Assert.*; | ||
|
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| import il.ac.bgu.cs.bp.bpjs.model.StringBProgram; | ||
| import il.ac.bgu.cs.bp.bpjs.analysis.listeners.BriefPrintDfsVerifierListener; | ||
|
|
||
| /** | ||
| * @author michael | ||
| */ | ||
| public class DfsBProgramVerifierTest { | ||
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| @Test | ||
| public void simpleAAABTrace() throws Exception { | ||
| BProgram program = new SingleResourceBProgram("DFSVerifierTests/AAABTrace.js"); | ||
| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setProgressListener(new BriefPrintDfsVerifierListener()); | ||
| program.appendSource(Requirements.eventNotSelected("B")); | ||
| sut.setVisitedNodeStore(new ForgetfulVisitedStateStore()); | ||
| VerificationResult res = sut.verify(program); | ||
| assertTrue(res.isCounterExampleFound()); | ||
| assertEquals("AAAB", traceEventNamesString(res.getCounterExampleTrace(), "")); | ||
| } | ||
|
|
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| @Test | ||
| public void simpleAAABTrace_hashedNodeStore() throws Exception { | ||
| BProgram program = new SingleResourceBProgram("DFSVerifierTests/AAABTrace.js"); | ||
| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setProgressListener(new BriefPrintDfsVerifierListener()); | ||
| program.appendSource(Requirements.eventNotSelected("B")); | ||
| VisitedStateStore stateStore = new BProgramStateVisitedStateStore(true); | ||
| sut.setVisitedNodeStore(stateStore); | ||
| VerificationResult res = sut.verify(program); | ||
| assertTrue(res.isCounterExampleFound()); | ||
| assertEquals("AAAB", traceEventNamesString(res.getCounterExampleTrace(), "")); | ||
| //Add trivial getter check | ||
| VisitedStateStore retStore = sut.getVisitedNodeStore(); | ||
| assertSame(retStore, stateStore); | ||
| } | ||
|
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| @Test | ||
| public void testAAABRun() { | ||
| BProgram program = new SingleResourceBProgram("DFSVerifierTests/AAABTrace.js"); | ||
| BProgramRunner rnr = new BProgramRunner(program); | ||
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| rnr.addListener(new PrintBProgramRunnerListener()); | ||
| InMemoryEventLoggingListener eventLogger = rnr.addListener(new InMemoryEventLoggingListener()); | ||
| rnr.run(); | ||
|
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| eventLogger.getEvents().forEach(System.out::println); | ||
| assertTrue(eventNamesString(eventLogger.getEvents(), "").matches("^(AAAB)+$")); | ||
| } | ||
|
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| @Test | ||
| public void deadlockTrace() throws Exception { | ||
| BProgram program = new SingleResourceBProgram("DFSVerifierTests/deadlocking.js"); | ||
| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setVisitedNodeStore(new ForgetfulVisitedStateStore()); | ||
| VerificationResult res = sut.verify(program); | ||
| assertTrue(res.isCounterExampleFound()); | ||
| assertEquals(VerificationResult.ViolationType.Deadlock, res.getViolationType()); | ||
| assertEquals("A", traceEventNamesString(res.getCounterExampleTrace(), "")); | ||
| } | ||
|
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| @Test | ||
| public void testDeadlockSetting() throws Exception { | ||
| BProgram program = new SingleResourceBProgram("DFSVerifierTests/deadlocking.js"); | ||
| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setDetectDeadlocks(false); | ||
| VerificationResult res = sut.verify(program); | ||
| assertFalse(res.isCounterExampleFound()); | ||
| assertEquals(VerificationResult.ViolationType.None, res.getViolationType()); | ||
| } | ||
|
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|
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| @Test | ||
| public void deadlockRun() { | ||
| BProgram program = new SingleResourceBProgram("DFSVerifierTests/deadlocking.js"); | ||
| BProgramRunner rnr = new BProgramRunner(program); | ||
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| rnr.addListener(new PrintBProgramRunnerListener()); | ||
| InMemoryEventLoggingListener eventLogger = rnr.addListener(new InMemoryEventLoggingListener()); | ||
| rnr.run(); | ||
|
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| eventLogger.getEvents().forEach(System.out::println); | ||
| assertTrue(eventNamesString(eventLogger.getEvents(), "").matches("^A$")); | ||
|
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| } | ||
|
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| @Test | ||
| public void testTwoSimpleBThreads() throws Exception { | ||
| BProgram bprog = new StringBProgram( | ||
| "bp.registerBThread('bt1', function(){bsync({ request:[ bp.Event(\"STAM1\") ] });});" | ||
| + "bp.registerBThread('bt2', function(){bsync({ request:[ bp.Event(\"STAM2\") ] });});"); | ||
|
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| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setIterationCountGap(1); | ||
| sut.setProgressListener(new BriefPrintDfsVerifierListener()); | ||
| sut.setDetectDeadlocks(false); | ||
| VerificationResult res = sut.verify(bprog); | ||
|
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| assertTrue(res.isVerifiedSuccessfully()); | ||
| assertEquals(3, res.getScannedStatesCount()); | ||
| assertEquals(VerificationResult.ViolationType.None, res.getViolationType()); | ||
| } | ||
|
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| @Test(timeout = 2000) | ||
| public void testTwoLoopingBThreads() throws Exception { | ||
| BProgram bprog = new StringBProgram("bp.registerBThread('bt1', function(){" + " while(true){\n" | ||
| + " bsync({ request:[ bp.Event(\"STAM1\") ] });\n" + "}});\n" | ||
| + "bp.registerBThread('bt2', function(){" + " while(true){\n" | ||
| + " bsync({ request:[ bp.Event(\"STAM2\") ] });\n" + "}});\n" + ""); | ||
|
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| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setIterationCountGap(1); | ||
| sut.setProgressListener(new BriefPrintDfsVerifierListener()); | ||
| sut.setDebugMode(true); | ||
| VerificationResult res = sut.verify(bprog); | ||
|
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| assertFalse(res.isCounterExampleFound()); | ||
| assertEquals(1, res.getScannedStatesCount()); | ||
| } | ||
|
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| @Test(timeout = 2000) | ||
| public void testVariablesInBT() throws Exception { | ||
| BProgram bprog = new StringBProgram("bp.registerBThread('bt1', function(){" + // | ||
| " for(var i=0; i<10; i++){\n" + // | ||
| " bsync({ waitFor:[ bp.Event(\"X\") ] });\n" + // | ||
| " }\n" + // | ||
| " bsync({ block:[ bp.Event(\"X\") ] });\n" + // | ||
| "});\n" + // | ||
|
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| "bp.registerBThread('bt2', function(){" + // | ||
| " while(true){\n" + // | ||
| " bsync({ request:[ bp.Event(\"X\") ] });\n" + // | ||
| "}});\n" + // | ||
| "" // | ||
| ); | ||
|
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| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setIterationCountGap(1); | ||
| sut.setProgressListener(new BriefPrintDfsVerifierListener()); | ||
| sut.setDebugMode(true); | ||
| VerificationResult res = sut.verify(bprog); | ||
|
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| assertTrue(res.isCounterExampleFound()); | ||
| assertEquals(res.getViolationType(), VerificationResult.ViolationType.Deadlock); | ||
| assertEquals(10, res.getScannedStatesCount()); | ||
| } | ||
|
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| @Test(timeout = 2000) | ||
| public void testVariablesEquailtyInBT() throws Exception { | ||
| BProgram bprog = new StringBProgram( // | ||
| "bp.registerBThread('bt1', function(){" + // | ||
| " while(true) \n" + // | ||
| " for(var i=0; i<10; i++){\n" + // | ||
| " bsync({ waitFor:[ bp.Event(\"X\") ] });\n" + // | ||
| " }\n" + // | ||
| "});\n" + "bp.registerBThread('bt2', function(){" + // | ||
| " while(true){\n" + // | ||
| " bsync({ request:[ bp.Event(\"X\") ] });\n" + // | ||
| "}});\n"); | ||
|
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| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setIterationCountGap(1); | ||
| sut.setProgressListener(new BriefPrintDfsVerifierListener()); | ||
| sut.setDebugMode(true); | ||
| VerificationResult res = sut.verify(bprog); | ||
|
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| assertFalse(res.isCounterExampleFound()); | ||
| assertEquals(res.getViolationType(), VerificationResult.ViolationType.None); | ||
| assertEquals(10, res.getScannedStatesCount()); | ||
| } | ||
|
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| @Test(timeout = 3000) | ||
| public void tesJavaVariablesInBT() throws Exception { | ||
| BProgram bprog = new StringBProgram( // | ||
| "bp.registerBThread('bt1', function(){" + // | ||
| " while(true) \n" + // | ||
| " for(var i=0; i<10; i++){\n" + // | ||
| " bsync({ request:[ bp.Event(\"X\"+i) ] });\n" + // | ||
| " if (i == 5) {bsync({ request:[ bp.Event(\"X\"+i) ] });}\n" + // | ||
| " }\n" + // | ||
| "});\n" + | ||
| "var x = bp.EventSet( \"X\", function(e){\r\n" + | ||
| " return e.getName().startsWith(\"X\");\r\n" + | ||
| "} );\r\n" + | ||
| "" + | ||
| "bp.registerBThread('bt2', function(){" + // | ||
| " var lastE = {name:\"what\"};" + // | ||
| " while(true) {\n" + // | ||
| " var e = bsync({ waitFor: x});\n" + // | ||
| " lastE = e;" + // | ||
| " if( e.name == lastE.name) { bp.ASSERT(false,\"Poof\");} " + // | ||
| "}});\n" | ||
| ); | ||
|
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| DfsBProgramVerifier sut = new DfsBProgramVerifier(); | ||
| sut.setIterationCountGap(1); | ||
| sut.setProgressListener(new BriefPrintDfsVerifierListener()); | ||
| sut.setDebugMode(true); | ||
| VerificationResult res = sut.verify(bprog); | ||
|
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| assertEquals(res.getViolationType(), VerificationResult.ViolationType.FailedAssertion); | ||
| assertTrue(res.isCounterExampleFound()); | ||
| assertEquals(1, res.getScannedStatesCount()); | ||
| } | ||
|
|
||
| } |
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