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How to use matches method of org.hamcrest.Interface Matcher class
Best junit code snippet using org.hamcrest.Interface Matcher.matches
Source:ASTBasedABSTestRunnerGeneratorTest.java 
...66 public SizeMatcher(int size) {67 this.size = size;68 }69 70 public boolean matches(Object arg0) {71 if (arg0 instanceof Iterable) {72 Iterable<?> it = (Iterable<?>) arg0;73 Iterator<?> tr = it.iterator();74 75 int count = 0;76 while (count < size) {77 if (! tr.hasNext()) {78 return false;79 }80 tr.next();81 count++;82 }83 return ! tr.hasNext();84 }85 return false;86 }87 88 @SuppressWarnings("unused")89 public void describeTo(Description arg0) {90 // TODO Auto-generated method stub91 92 }93 94 }95 /**96 * @see ASTBasedABSTestRunnerGeneratorTest.ModuleMatcher below for note about generics!97 */98 private static class TestClassMatcher<I,C>99 extends BaseMatcher<Entry<I, Set<C>>> {100 101 public boolean matches(Object arg0) {102 if (!(arg0 instanceof Entry)) {103 return false;104 }105 106 final Entry<?, ?> entry = (Entry<?, ?>) arg0;107 if (!(entry.getKey() instanceof InterfaceDecl)) {108 return false;109 }110 111 if (!(entry.getValue() instanceof Set)) {112 return false;113 }114 115 final Set<?> set = (Set<?>) entry.getValue();116 if (set.size() != 1) {117 return false;118 }119 120 final Object ele = set.iterator().next();121 if (!(ele instanceof ClassDecl)) {122 return false;123 }124 125 final InterfaceDecl intf = (InterfaceDecl) entry.getKey();126 final ClassDecl clazz = (ClassDecl) ele;127 128 return intf.getName().equals("T") &&129 clazz.getName().equals("TI");130 }131 132 @SuppressWarnings("unused")133 public void describeTo(Description arg0) {134 }135 136 }137 138 /**139 * NB: type patched to be generic instead of the more specific ModuleDecl because140 * javac is too picky about hamcrests' generics!141 */142 private static class ModuleMatcher<T> 143 extends BaseMatcher<T> {144 public boolean matches(Object arg0) {145 if (arg0 instanceof ModuleDecl) {146 ModuleDecl module = (ModuleDecl) arg0;147 if (module.getName().equals(ASTBasedABSTestRunnerGenerator.RUNNER_MAIN)) {148 return module.hasBlock();149 }150 }151 return false;152 }153 @SuppressWarnings("unused")154 public void describeTo(Description arg0) {155 // TODO Auto-generated method stub156 157 }158 }...
Source:ServerNotificationManagerTestCase.java
...213 description.appendText("subscription for " + subscription.toString());214 }215 }216 @Override217 protected boolean matchesSafely(ListenerSubscriptionPair<N> item) {218 boolean match = true;219 if (listenerMatcher != null) {220 match = match && listenerMatcher.matches(item.getListener());221 }222 if (subscription != null) {223 final AbstractServerNotification mockNotificationMatches = mock(AbstractServerNotification.class);224 when(mockNotificationMatches.getResourceIdentifier()).thenReturn(subscription.toString());225 match = match && item.getSelector().test((N) mockNotificationMatches);226 final AbstractServerNotification mockNotificationNotMatches = mock(AbstractServerNotification.class);227 when(mockNotificationNotMatches.getResourceIdentifier()).thenReturn("");228 match = match && !item.getSelector().test((N) mockNotificationNotMatches);229 }230 return match;231 }232 }233}...
Source:MatcherGenericTypeExtractorTest.java
...14import static org.mockito.internal.hamcrest.MatcherGenericTypeExtractor.genericTypeOfMatcher;15public class MatcherGenericTypeExtractorTest extends TestBase {16 //traditional inner class for matcher17 private class IntMatcher extends BaseMatcher<Integer> {18 public boolean matches(Object o) {19 return true;20 }21 public void describeTo(Description description) {}22 }23 //static class with matcher24 private static class StaticIntMatcher extends BaseMatcher<Integer> {25 public boolean matches(Object o) {26 return true;27 }28 public void describeTo(Description description) {}29 }30 //static subclass31 private static class StaticIntMatcherSubclass extends StaticIntMatcher {32 public boolean matches(Object o) {33 return true;34 }35 public void describeTo(Description description) {}36 }37 //non-generic38 @SuppressWarnings("rawtypes")39 private static class NonGenericMatcher extends BaseMatcher {40 public boolean matches(Object o) {41 return true;42 }43 public void describeTo(Description description) {}44 }45 //Matcher interface implementation (instead of the BaseMatcher)46 private class IntMatcherFromInterface extends BaseMatcher<Integer> {47 public boolean matches(Object o) {48 return true;49 }50 public void describeMismatch(Object item, Description mismatchDescription) {}51 public void describeTo(Description description) {}52 }53 //Static Matcher interface implementation (instead of the BaseMatcher)54 private static class StaticIntMatcherFromInterface extends BaseMatcher<Integer> {55 public boolean matches(Object o) {56 return true;57 }58 public void describeMismatch(Object item, Description mismatchDescription) {}59 public void describeTo(Description description) {}60 }61 //non-generic matcher implementing the interface62 @SuppressWarnings("rawtypes")63 private static class NonGenericMatcherFromInterface extends BaseMatcher {64 public boolean matches(Object o) {65 return true;66 }67 public void describeMismatch(Object item, Description mismatchDescription) {}68 public void describeTo(Description description) {}69 }70 private interface IMatcher extends Matcher<Integer> {}71 //non-generic matcher implementing the interface72 private static class SubclassGenericMatcherFromInterface extends BaseMatcher<Integer> implements Serializable, Cloneable, IMatcher {73 public boolean matches(Object o) {74 return true;75 }76 public void describeMismatch(Object item, Description mismatchDescription) {}77 public void describeTo(Description description) {}78 }79 //I refuse to comment on the sanity of this case80 private static class InsaneEdgeCase extends SubclassGenericMatcherFromInterface {}81 @Test82 public void findsGenericType() {83 assertEquals(Integer.class, genericTypeOfMatcher(IntMatcher.class));84 assertEquals(Integer.class, genericTypeOfMatcher(StaticIntMatcher.class));85 assertEquals(Integer.class, genericTypeOfMatcher(IntMatcherFromInterface.class));86 assertEquals(Integer.class, genericTypeOfMatcher(StaticIntMatcherSubclass.class));87 assertEquals(Integer.class, genericTypeOfMatcher(IntMatcherFromInterface.class));88 assertEquals(Integer.class, genericTypeOfMatcher(StaticIntMatcherFromInterface.class));89 assertEquals(Integer.class, genericTypeOfMatcher(SubclassGenericMatcherFromInterface.class));90 assertEquals(Integer.class, genericTypeOfMatcher(InsaneEdgeCase.class));91 assertEquals(Integer.class, genericTypeOfMatcher(new BaseMatcher<Integer>() {92 public void describeTo(Description description) {93 }94 public boolean matches(Object o) {95 return false;96 }97 }.getClass()));98 assertEquals(Integer.class, genericTypeOfMatcher(new BaseMatcher<Integer>() {99 public void describeTo(Description description) {100 }101 public boolean matches(Object o) {102 return false;103 }104 public void describeMismatch(Object item, Description mismatchDescription) {105 }106 }.getClass()));107 assertEquals(Object.class, genericTypeOfMatcher(Object.class));108 assertEquals(Object.class, genericTypeOfMatcher(String.class));109 assertEquals(Object.class, genericTypeOfMatcher(HashMap.class));110 assertEquals(Object.class, genericTypeOfMatcher(new HashMap<String, String>() {111 }.getClass()));112 assertEquals(Object.class, genericTypeOfMatcher(NonGenericMatcher.class));113 assertEquals(Object.class, genericTypeOfMatcher(NonGenericMatcherFromInterface.class));114 }115}...
Source:BoundedDiagnosingMatcher.java
...40 * Subclasses should implement this. The item will already have been checked for the specific41 * type, interfaces, and will never be null.42 *43 * @param item The pre-checked item.44 * @param mismatchDescription A {@link Description} to write to for mismatches.45 * @return {@code true} if the item matches the expectations for this {@link Matcher}.46 */47 protected abstract boolean matchesSafely(T item, Description mismatchDescription);48 /**49 * Subclasses should implement this. The fine details of the matcher should be added to the50 * description. Type checking information will have already been added.51 *52 * @param description The {@link Description} object to write to.53 */54 protected abstract void describeMoreTo(Description description);55 @Override56 public final void describeTo(Description description) {57 matcher.describeTo(description);58 Description implDescription = new StringDescription();59 describeMoreTo(implDescription);60 String implDescriptionString = implDescription.toString();61 if (!implDescriptionString.isEmpty()) {62 description.appendText(" and ").appendText(implDescriptionString);63 }64 }65 @Override66 @SuppressWarnings("unchecked")67 public final boolean matches(Object item) {68 return item != null && matcher.matches(item) && matchesSafely((T) item, Description.NONE);69 }70 /**71 * This method provides a default implementation for {@code null} check as well as a super type72 * and interface checks provided by the constructor. Failing either check provides a default73 * mismatch description. Passing both will call into {@link #matchesSafely(Object, Description)}74 * which will allow the sub-class to check for a mismatch and describe what went wrong (if75 * anything at all).76 *77 * @param item The item which is assumed to have mismatched and should be described.78 * @param mismatchDescription The description builder for the mismatch.79 * @see org.hamcrest.TypeSafeDiagnosingMatcher for similar implementation pattern.80 */81 @Override82 @SuppressWarnings("unchecked")83 public final void describeMismatch(Object item, Description mismatchDescription) {84 if (item == null) {85 mismatchDescription.appendText("was null");86 } else if (!matcher.matches(item)) {87 matcher.describeMismatch(item, mismatchDescription);88 } else {89 matchesSafely((T) item, mismatchDescription);90 }91 }92}...
Source:HamcrestAdapter.java
...30 hamcrestMatcher = new org.hamcrest.BaseMatcher<T>()31 {32 Method handler;3334 public boolean matches(Object value)35 {36 if (handler == null) {37 handler = Utilities.findNonPrivateHandlerMethod(matcher);38 }3940 Boolean result = Utilities.invoke(matcher, handler, value);4142 return result == null || result;43 }4445 public void describeTo(org.hamcrest.Description description)46 {47 }48 };49 }5051 return new HamcrestAdapter<T>(hamcrestMatcher);52 }5354 private HamcrestAdapter(org.hamcrest.Matcher<T> matcher)55 {56 hamcrestMatcher = matcher;57 }5859 public boolean matches(Object item)60 {61 return hamcrestMatcher.matches(item);62 }6364 public void describeTo(Description description)65 {66 org.hamcrest.Description strDescription = new org.hamcrest.StringDescription();67 hamcrestMatcher.describeTo(strDescription);68 description.appendText(strDescription.toString());69 }7071 public Object getInnerValue()72 {73 Object innermostMatcher = getInnermostMatcher();7475 return getArgumentValueFromMatcherIfAvailable(innermostMatcher);
...
Source:IsCompatibleTypeTest.java
1package org.hamcrest.object;2import org.hamcrest.AbstractMatcherTest;3import org.hamcrest.Matcher;4import static org.hamcrest.MatcherAssert.assertThat;5import static org.hamcrest.object.IsCompatibleType.typeCompatibleWith;6public class IsCompatibleTypeTest extends AbstractMatcherTest {7 public static class BaseClass {8 }9 public static class ExtendedClass extends BaseClass {10 }11 public interface BaseInterface {12 }13 public interface ExtendedInterface extends BaseInterface {14 }15 public static class ClassImplementingBaseInterface implements BaseInterface {16 }17 @Override18 protected Matcher<?> createMatcher() {19 return typeCompatibleWith(BaseClass.class);20 }21 public void testMatchesSameClass() {22 assertThat(BaseClass.class, typeCompatibleWith(BaseClass.class));23 }24 public void testMatchesSameInterface() {25 assertThat(BaseInterface.class, typeCompatibleWith(BaseInterface.class));26 }27 public void testMatchesExtendedClass() {28 assertThat(ExtendedClass.class, typeCompatibleWith(BaseClass.class));29 }30 public void testMatchesClassImplementingInterface() {31 assertThat(ClassImplementingBaseInterface.class, typeCompatibleWith(BaseInterface.class));32 }33 public void testMatchesExtendedInterface() {34 assertThat(ExtendedInterface.class, typeCompatibleWith(BaseInterface.class));35 }36// public void testDoesNotMatchIncompatibleTypes() {37// assertThat(BaseClass.class, not(compatibleType(ExtendedClass.class)));38// assertThat(Integer.class, not(compatibleType(String.class)));39// }40 public void testHasReadableDescription() {41 assertDescription("type < java.lang.Runnable", typeCompatibleWith(Runnable.class));42 }43}...
matches
Using AI Code Generation
1import static org.hamcrest.MatcherAssert.assertThat;2import static org.hamcrest.Matchers.*;3assertThat("Hello World", containsString("World"));4assertThat("Hello World", startsWith("Hello"));5assertThat("Hello World", endsWith("World"));6assertThat("Hello World", equalToIgnoringCase("hello world"));7assertThat("Hello World", equalToIgnoringWhiteSpace("Hello World"));8assertThat("Hello World", containsStringIgnoringCase("world"));9assertThat("Hello World", containsStringIgnoringWhiteSpace("Hello World"));10assertThat("Hello World", allOf(startsWith("Hello"), endsWith("World")));11assertThat("Hello World", anyOf(startsWith("Hello"), endsWith("World")));12assertThat("Hello World", not(containsString("World")));13assertThat("Hello World", equalTo("Hello World"));14assertThat("Hello World", equalTo("Hello World"));15assertThat("Hello World", equalTo("Hello World"));16assertThat("Hello World", equalTo("Hello World"));17assertThat("Hello World", equalTo("Hello World"));18assertThat("Hello World", equalTo("Hello World"));19assertThat("Hello World", equalTo("Hello World"));20assertThat("Hello World", equalTo("Hello World"));21assertThat("Hello World", equalTo("Hello World"));22assertThat("Hello World", equalTo("Hello World"));23assertThat("Hello World", equalTo("Hello World"));24assertThat("Hello World", equalTo("Hello World"));25assertThat("Hello World", equalTo("Hello World"));26assertThat("Hello World", equalTo("Hello World"));27assertThat("Hello World", equalTo("Hello World"));28assertThat("Hello World", equalTo("Hello World"));29assertThat("Hello World", equalTo("Hello World"));30assertThat("Hello World", equalTo("Hello World"));31assertThat("Hello World", equalTo("Hello World"));32assertThat("Hello World", equalTo("Hello World"));33assertThat("Hello World", equalTo("Hello World"));34assertThat("Hello World", equalTo("Hello World"));35assertThat("Hello World", equalTo("Hello World"));36assertThat("Hello World", equalTo("Hello World"));37assertThat("Hello World", equalTo("Hello World"));38assertThat("Hello World", equalTo("Hello World"));39assertThat("Hello World", equalTo("Hello World"));40assertThat("Hello World", equalTo("Hello World"));41assertThat("Hello World", equalTo("Hello World"));42assertThat("Hello World", equalTo("Hello World"));43assertThat("Hello World", equalTo("Hello World"));44assertThat("Hello World", equalTo("
matches
Using AI Code Generation
1import java.util.regex.Matcher;2import java.util.regex.Pattern;3public class PatternMatcher {4 public static void main(String[] args) {5 Pattern pattern = Pattern.compile("geeks", Pattern.CASE_INSENSITIVE);6 Matcher matcher = pattern.matcher("GeeksForGeeks is a computer science portal for geeks.");7 boolean matchFound = matcher.matches();8 if (matchFound) {9 System.out.println("Match found");10 } else {11 System.out.println("Match not found");12 }13 }14}15Java Regex: Using find() Method to Find Substring16public boolean find()17Example 1: Using find() Method18import java.util.regex.Matcher;19import java.util.regex.Pattern;20public class PatternMatcher {21 public static void main(String[] args) {22 Pattern pattern = Pattern.compile("geeks", Pattern.CASE_INSENSITIVE);23 Matcher matcher = pattern.matcher("GeeksForGeeks is a computer science portal for geeks.");24 boolean matchFound = matcher.find();25 if (matchFound) {26 System.out.println("Match found");27 } else {28 System.out.println("Match not found");29 }30 }31}32Java Regex: Using replaceAll() Method to Replace Substring33public String replaceAll(String replacement)34Example 1: Using replaceAll() Method35import java.util.regex.Matcher;36import java.util.regex.Pattern;37public class PatternMatcher {38 public static void main(String[] args) {39 Pattern pattern = Pattern.compile("geeks", Pattern.CASE_INSENSITIVE);40 Matcher matcher = pattern.matcher("GeeksForGeeks is a computer science portal for geeks.");
matches
Using AI Code Generation
1import static org.hamcrest.MatcherAssert.assertThat;2import static org.hamcrest.Matchers.*;3import org.junit.Test;4public class HamcrestTest {5 public void testAssertThat() {6 assertThat(5, is(5));7 }8 public void testAssertThatWithOr() {9 assertThat(5, is(5));10 assertThat(5, is(5) or is(4));11 assertThat(5, is(5) or is(4) or is(3));12 }13 public void testAssertThatWithAnd() {14 assertThat(5, is(5));15 assertThat(5, is(5) and is(5));16 assertThat(5, is(5) and is(5) and is(5));17 }18 public void testAssertThatWithNot() {19 assertThat(5, is(5));20 assertThat(5, is(not(5)));21 assertThat(5, is(not(5) and not(4)));22 assertThat(5, is(not(5) and not(4) and not(3)));23 }24 public void testAssertThatWithAnyOf() {25 assertThat(5, is(5));26 assertThat(5, is(anyOf(is(5), is(4))));27 assertThat(5, is(anyOf(is(5), is(4), is(3))));28 }29 public void testAssertThatWithAllOf() {30 assertThat(5, is(5));31 assertThat(5, is(allOf(is(5), is(5))));32 assertThat(5, is(allOf(is(5), is(5), is(5))));33 }34 public void testAssertThatWithNot2() {35 assertThat(5, is(5));36 assertThat(5, is(not(anyOf(is(5), is(4)))));37 assertThat(5, is(not(anyOf(is(5), is(4), is(3)))));38 }39 public void testAssertThatWithNot3() {40 assertThat(5, is(5));41 assertThat(5, is(not(allOf(is(5), is(4)))));42 assertThat(5, is(not(allOf(is(5), is(4), is(3)))));43 }
matches
Using AI Code Generation
1import org.hamcrest.Matcher2import org.hamcrest.Matchers.*3import org.hamcrest.MatcherAssert.assertThat4import org.hamcrest.Matcher5import org.hamcrest.Matchers.*6import org.hamcrest.MatcherAssert.assertThat7import org.hamcrest.Matcher8import org.hamcrest.Matchers.*9import org.hamcrest.MatcherAssert.assertThat10import org.hamcrest.Matcher11import org.hamcrest.Matchers.*12import org.hamcrest.MatcherAssert.assertThat13import org.hamcrest.Matcher14import org.hamcrest.Matchers.*15import org.hamcrest.MatcherAssert.assertThat16import org.hamcrest.Matcher17import org.hamcrest.Matchers.*18import org.hamcrest.MatcherAssert.assertThat19import org.hamcrest.Matcher20import org.hamcrest.Matchers.*21import org.hamcrest.MatcherAssert.assertThat22import org.hamcrest.Matcher23import org.hamcrest.Matchers.*24import org.hamcrest.MatcherAssert.assertThat25import org.hamcrest.Matcher26import org.hamcrest.Matchers.*27import org.hamcrest.MatcherAssert.assertThat28import org.hamcrest.Matcher29import org.hamcrest.Matchers.*30import org.hamcrest.MatcherAssert.assertThat31import org.hamcrest.Matcher32import org.hamcrest.Matchers.*33import org.hamcrest.MatcherAssert.assertThat34import org.hamcrest.Matcher35import org.hamcrest.Matchers.*36import org.hamcrest.MatcherAssert.assertThat
matches
Using AI Code Generation
1import org.hamcrest.MatcherAssert.assertThat2import org.hamcrest.Matchers.matches3import org.hamcrest.Matchers.containsString4assertThat "Hello World", matches(containsString("World"))5import org.hamcrest.Matchers.containsString6assertThat "Hello World", containsString("World")7import static org.hamcrest.Matchers.containsString8assertThat "Hello World", containsString("World")9import static org.hamcrest.Matchers.*10assertThat "Hello World", containsString("World")11import static org.hamcrest.Matchers.*12assertThat "Hello World", containsString("World")13import static org.hamcrest.Matchers.*14assertThat "Hello World", containsString("World")15import static org.hamcrest.Matchers.*16assertThat "Hello World", containsString("World")17import static org.hamcrest.Matchers.*18assertThat "Hello World", containsString("World")19import static org.hamcrest.Matchers.*20assertThat "Hello World", containsString("World")21import static org.hamcrest.Matchers.*22assertThat "Hello World", containsString("World")23import static org.hamcrest.Matchers.*24assertThat "Hello World", containsString("World")25import static org.hamcrest.Matchers.*26assertThat "Hello World", containsString("World
matches
Using AI Code Generation
1import org.hamcrest.Matcher2import org.hamcrest.MatcherAssert3import org.hamcrest.Matchers4def matcher = Matchers.matches(pattern)5MatcherAssert.assertThat(text, matcher)6org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)7org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)8groovysh_evaluate.run(groovysh_evaluate.groovy:11)9import org.hamcrest.Matcher10import org.hamcrest.MatcherAssert11import org.hamcrest.Matchers12def matcher = Matchers.matches(pattern)13MatcherAssert.assertThat(text, matcher)14org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)15org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)16groovysh_evaluate.run(groovysh_evaluate.groovy:11)
matches
Using AI Code Generation
1import org.hamcrest.Matcher2import org.hamcrest.MatcherAssert.assertThat3import org.hamcrest.Matchers.*4assertThat(12, greaterThan(10))5assertThat(12, lessThan(13))6assertThat(12, allOf(greaterThan(10), lessThan(13)))7assertThat(12, anyOf(greaterThan(10), lessThan(13)))8assertThat(12, not(equalTo(10)))9assertThat(12, not(equalTo(10)))10assertThat(12, greaterThan(10).matches(12))11assertThat(12, lessThan(13).matches(12))12assertThat(12, allOf(greaterThan(10), lessThan(13)).matches(12))13assertThat(12, anyOf(greaterThan(10), lessThan(13)).matches(12))14assertThat(12, not(equalTo(10)).matches(12))15assertThat(12, not(equalTo(10)).matches(12))16assertThat(greaterThan(10).matches(12), is(true))17assertThat(lessThan(13).matches(12), is(true))18assertThat(allOf(greaterThan(10), lessThan(13)).matches(12), is(true))19assertThat(anyOf(greaterThan(10), lessThan(13)).matches(12), is(true))20assertThat(not(equalTo(10)).matches(12), is(true))21assertThat(not(equalTo(10)).matches(12), is(true))22assertThat(greaterThan(10).matches(11), is(false))23assertThat(lessThan(13).matches(13), is(false))24assertThat(allOf(greaterThan(10), lessThan(13)).matches(10), is(false))25assertThat(anyOf(greaterThan(10), lessThan(13)).matches(13), is(false))26assertThat(not(equalTo(10)).matches(10), is(false))27assertThat(not(equalTo(10)).matches(10),
matches
Using AI Code Generation
1import groovy.transform.*2import static groovy.io.GroovyTestCase.*3import static org.hamcrest.MatcherAssert.*4import static org.hamcrest.Matchers.*5assertThat "2", matches( { number = Integer.parseInt(it); it == number.toString() } )6assertThat number, is(2)7assertThat number, is(2.0)8assertThat number, is(2.0f)9assertThat number, is(2L)10assertThat number, is(2.0D)11assertThat number, is(2.toByte())12assertThat number, is(2.toShort())
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