How to use testMatchesNullPattern method of org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PatternClassReplacementTest class

Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PatternClassReplacementTest.testMatchesNullPattern

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...37 double h0 = ExecutionTracer.getValue(objectiveId);38 assertEquals(DistanceHelper.H_REACHED_BUT_NULL,h0);39 }40 @Test41 public void testMatchesNullPattern() {42 final String prefix = ObjectiveNaming.METHOD_REPLACEMENT + "IdTemplate";43 assertThrows(44 NullPointerException.class,45 ()-> {46 PatternClassReplacement.matches(null,"y", prefix);47 }48 );49 assertEquals(1, ExecutionTracer.getNonCoveredObjectives(prefix).size());50 String objectiveId = ExecutionTracer.getNonCoveredObjectives(prefix)51 .iterator().next();52 double h0 = ExecutionTracer.getValue(objectiveId);53 assertEquals(DistanceHelper.H_REACHED_BUT_NULL,h0);54 }55}...

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testMatchesNullPattern

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1import org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PatternClassReplacementTest;2import org.junit.jupiter.api.Test;3import java.util.regex.Pattern;4import static org.junit.jupiter.api.Assertions.assertFalse;5public class PatternClassReplacementTestTemplate {6 public void testMatchesNullPattern(){7 PatternClassReplacementTest test = new PatternClassReplacementTest();8 assertFalse(test.testMatchesNullPattern());9 }10}11package org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes;12import org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PatternClassReplacement;13import org.junit.jupiter.api.Test;14import java.util.regex.Pattern;15import static org.junit.jupiter.api.Assertions.assertFalse;16public class PatternClassReplacementTest {17 public void testMatchesNullPattern(){18 Pattern pattern = null;19 boolean res = PatternClassReplacement.matches(pattern, "foo");20 assertFalse(res);21 }22}23 <maven.compiler.source>${java.version}</​

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testMatchesNullPattern

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1package org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes;2import com.foo.somedifferentpackage.examples.patterns.RegexPatterns;3import org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PatternClassReplacement;4import org.evomaster.client.java.instrumentation.shared.Replacement;5import org.junit.jupiter.api.Test;6import static org.junit.jupiter.api.Assertions.*;7public class PatternClassReplacementTest {8 public void testMatchesNullPattern() {9 String input = "foo";10 String regex = null;11 boolean result = PatternClassReplacement.matches(regex, input);12 assertFalse(result);13 }14}15The replacement is a class that extends Replacement, and that implements the method to be replaced. Here is the replacement for matches() method:16package org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes;17import org.evomaster.client.java.instrumentation.shared.Replacement;18import org.evomaster.client.java.instrumentation.shared.StringSpecialization;19public class PatternClassReplacement extends Replacement {20 private static final String CLASS_NAME = "java/​util/​regex/​Pattern";21 private static final String METHOD_NAME = "matches";22 private static final String METHOD_DESCRIPTOR = "(Ljava/​lang/​String;Ljava/​lang/​CharSequence;)Z";23 public static boolean matches(String regex, CharSequence input) {24 if (regex == null) {25 return false;26 }27 if (input == null) {28 return false;29 }30 return java.util.regex.Pattern.matches(regex, input);31 }32 public String getTargetClass() {33 return CLASS_NAME;34 }35 public String getTargetMethod() {36 return METHOD_NAME;37 }38 public String getTargetMethodDescriptor() {39 return METHOD_DESCRIPTOR;40 }41 public boolean isForMethodReplacement() {42 return true;43 }44 public boolean isSpecialization() {45 return false;46 }

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testMatchesNullPattern

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1void testMatchesNullPattern(){2 PatternClassReplacementTest.testMatchesNullPattern();3}4void testMatchesNullInput(){5 PatternClassReplacementTest.testMatchesNullInput();6}7void testMatches(){8 PatternClassReplacementTest.testMatches();9}10void testMatchesNullPattern(){11 PatternClassReplacementTest.testMatchesNullPattern();12}13void testMatchesNullInput(){14 PatternClassReplacementTest.testMatchesNullInput();15}16void testMatches(){17 PatternClassReplacementTest.testMatches();18}19void testMatchesNullPattern(){20 PatternClassReplacementTest.testMatchesNullPattern();21}22void testMatchesNullInput(){23 PatternClassReplacementTest.testMatchesNullInput();24}25void testMatches(){26 PatternClassReplacementTest.testMatches();27}

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testMatchesNullPattern

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1 String code = "package org.foo;\n" +2 "import java.util.regex.Pattern;\n" +3 "public class Foo {\n" +4 " public boolean test(String s){\n" +5 " return Pattern.matches(\"[a-z]+\", s);\n" +6 " }\n" +7 "}\n";8 String className = "org.foo.Foo";9 String methodName = "test";10 String methodDesc = "(Ljava/​lang/​String;)Z";11 List<String> lines = Arrays.asList(code.split("\\n"));12 CompilationUnit cu = StaticJavaParser.parse(lines);13 MethodDeclaration method = cu.getClassByName("Foo").get().getMethodsByName("test").get(0);14 MethodReplacementClassInfo info = new MethodReplacementClassInfo(className, methodName, methodDesc, method);15 MethodReplacementClassInfo actual = MethodReplacementClassInfo.create(info, null);16 assertNotNull(actual);17 assertEquals("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PatternClassReplacementTest", actual.className);18 assertEquals("testMatchesNullPattern", actual.methodName);19 assertEquals("(Ljava/​lang/​String;)Z", actual.methodDesc);20}21public void testCreateMethodReplacementClassInfoForClassWithMultipleMethods(){22 String code = "package org.foo;\n" +23 "import java.util.regex.Pattern;\n" +24 "public class Foo {\n" +25 " public boolean test(String s){\n" +26 " return Pattern.matches(\"[a-z]+\", s);\n" +27 " }\n" +28 " public boolean test2(String s){\n" +29 " return Pattern.matches(\"[a-z]+\", s);\n" +30 " }\n" +31 "}\n";32 String className = "org.foo.Foo";33 String methodName = "test";34 String methodDesc = "(Ljava/​lang/​String;)Z";35 List<String> lines = Arrays.asList(code.split("\\n"));36 CompilationUnit cu = StaticJavaParser.parse(lines);37 MethodDeclaration method = cu.getClassByName("Foo").get().getMethods

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testMatchesNullPattern

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1testMatchesNullPattern(".*")2testMatchesNullPattern("a")3testMatchesNullPattern("ab")4testMatchesNullPattern("abc")5testMatchesNullPattern("abcd")6testMatchesNullPattern("abcde")7testMatchesNullPattern("abcdef")8testMatchesNullPattern("abcdefg")9testMatchesNullPattern("abcdefgh")10testMatchesNullPattern("abcdefghi")11testMatchesNullPattern("abcdefghij")12testMatchesNullPattern("abcdefghijk")13testMatchesNullPattern("abcdefghijkl")14testMatchesNullPattern("abcdefghijklm")15testMatchesNullPattern("abcdefghijklmn")16testMatchesNullPattern("abcdefghijklmno")17testMatchesNullPattern("abcdefghijklmnop")18testMatchesNullPattern("abcdefghijklmnopq")19testMatchesNullPattern("abcdefghijklmnopqr")20testMatchesNullPattern("abcdefghijklmnopqrs")21testMatchesNullPattern("abcdefghijklmnopqrst")22testMatchesNullPattern("abcdefghijklmnopqrstu")23testMatchesNullPattern("abcdefghijklmnopqrstuv")24testMatchesNullPattern("abcdefghijklmnopqrstuvw")25testMatchesNullPattern("abcdefghijklmnopqrstuvwx")26testMatchesNullPattern("abcdefghijklmnopqrstuvwxy")27testMatchesNullPattern("abcdefghijklmnopqrstuvwxyz")28testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzab")29testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabc")30testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcd")31testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcde")32testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdef")33testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefg")34testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefgh")35testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghi")36testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghij")37testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijk")38testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijkl")39testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklm")40testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmn")41testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmno")42testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnop")43testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopq")44testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqr")45testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrs")46testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrst")47testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstu")48testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuv")49testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvw")50testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwx")51testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxy")52testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")53testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzab")54testMatchesNullPattern("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabc")

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