How to use matchesSafely method of matchers.IsFailure class

Best Spectrum code snippet using matchers.IsFailure.matchesSafely

Source:VavrMatchers.java Github

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...29 @NotNull30 public static TypeSafeDiagnosingMatcher<Option<?>> isDefinedOption() {31 return new TypeSafeDiagnosingMatcher<Option<?>>() {32 @Override33 protected boolean matchesSafely(Option<?> subject, Description mismatchDescription) {34 if (subject.isDefined()) {35 return true;36 } else {37 mismatchDescription.appendText("is an empty Option");38 }39 return false;40 }41 @Override42 public void describeTo(Description description) {43 description.appendText("is an Option with a value");44 }45 };46 }47 /**48 * Matches an Option containing no value49 *50 * @return A Hamcrest matcher51 */52 @NotNull53 public static TypeSafeDiagnosingMatcher<Option<?>> isNone() {54 return isEmptyOption();55 }56 /**57 * Matches an Option containing no value58 *59 * @return A Hamcrest matcher60 */61 @NotNull62 public static TypeSafeDiagnosingMatcher<Option<?>> isEmptyOption() {63 return new TypeSafeDiagnosingMatcher<Option<?>>() {64 @Override65 protected boolean matchesSafely(Option<?> subject, Description mismatchDescription) {66 if (subject.isEmpty()) {67 return true;68 } else {69 mismatchDescription.appendText("is an Option with value ").appendValue(subject.get());70 }71 return false;72 }73 @Override74 public void describeTo(Description description) {75 description.appendText("is an empty Option");76 }77 };78 }79 /**80 * Matches an Option containing the given value81 *82 * @param value The value that should be contained in the Option83 * @param <T> The type of value that should be in the Option84 * @return A Hamcrest matcher85 */86 @NotNull87 public static <T> TypeSafeDiagnosingMatcher<Option<T>> isSome(@NotNull T value) {88 return isDefinedOption(value);89 }90 /**91 * Matches an Option containing the given value92 *93 * @param value The value that should be contained in the Option94 * @param <T> The type of value that should be in the Option95 * @return A Hamcrest matcher96 */97 @NotNull98 public static <T> TypeSafeDiagnosingMatcher<Option<T>> isDefinedOption(@NotNull T value) {99 return new TypeSafeDiagnosingMatcher<Option<T>>() {100 @Override101 protected boolean matchesSafely(Option<T> subject, Description mismatchDescription) {102 if (subject.isDefined()) {103 T actualValue = subject.get();104 if (value.equals(actualValue)) {105 return true;106 } else {107 mismatchDescription.appendText("value is ").appendValue(actualValue);108 }109 } else {110 mismatchDescription.appendText("is an empty Option");111 }112 return false;113 }114 @Override115 public void describeTo(Description description) {116 description.appendText("is an Option with a value equal to ").appendValue(value);117 }118 };119 }120 /**121 * Matches an Option with a value matching the given Predicate122 *123 * @param predicateDescription Describes the predicate for user feedback124 * @param predicate The predicate to match125 * @param <T> The type of value that should be in the Option126 * @return A Hamcrest matcher127 */128 @NotNull129 public static <T> TypeSafeDiagnosingMatcher<Option<T>> isDefinedOption(130 @NotNull String predicateDescription, @NotNull Predicate<T> predicate) {131 return new TypeSafeDiagnosingMatcher<Option<T>>() {132 @Override133 protected boolean matchesSafely(Option<T> subject, Description mismatchDescription) {134 if (subject.isDefined()) {135 if (predicate.test(subject.get())) {136 return true;137 } else {138 mismatchDescription.appendText("value does not match ").appendValue(predicateDescription)139 .appendText(", actual value: ").appendValue(subject.get());140 }141 } else {142 mismatchDescription.appendText("is an empty Option");143 }144 return false;145 }146 @Override147 public void describeTo(Description description) {148 description.appendText("is an Option with a value matching ").appendValue(predicateDescription);149 }150 };151 }152 // endregion153 // region Matchers for Either<L,R>154 /**155 * Matches an Either that is a Left (error)156 *157 * @return A Hamcrest matcher158 */159 @NotNull160 public static TypeSafeDiagnosingMatcher<Either<?, ?>> isLeft() {161 return new TypeSafeDiagnosingMatcher<Either<?, ?>>() {162 @Override163 protected boolean matchesSafely(Either<?, ?> subject, Description mismatchDescription) {164 if (subject.isLeft()) {165 return true;166 }167 mismatchDescription.appendText("is a right Either, with value ").appendValue(subject.get());168 return false;169 }170 @Override171 public void describeTo(Description description) {172 description.appendText("is a left Either");173 }174 };175 }176 /**177 * Matches an Either that is a Left (error), with the given value178 *179 * @param expectedValue The expected value contained in the left180 * @param <T> The type contained in the Either181 * @return A Hamcrest matcher182 */183 @NotNull184 public static <T> TypeSafeDiagnosingMatcher<Either<T, ?>> isLeft(@NotNull T expectedValue) {185 return new TypeSafeDiagnosingMatcher<Either<T, ?>>() {186 @Override187 protected boolean matchesSafely(Either<T, ?> subject, Description mismatchDescription) {188 if (subject.isLeft()) {189 T actualValue = subject.getLeft();190 if (actualValue.equals(expectedValue)) {191 return true;192 } else {193 mismatchDescription.appendText("is a left Either, with value ").appendValue(actualValue);194 }195 } else {196 mismatchDescription.appendText("is a right Either, with value ").appendValue(subject.get());197 }198 return false;199 }200 @Override201 public void describeTo(Description description) {202 description.appendText("is a left Either, with value ").appendValue(expectedValue);203 }204 };205 }206 /**207 * Matches a left Either with a value matching the given Predicate208 *209 * @param predicateDescription Describes the predicate for user feedback210 * @param predicate The predicate to match211 * @param <T> The type of value that should be in the Either212 * @return A Hamcrest matcher213 */214 @NotNull215 public static <T> TypeSafeDiagnosingMatcher<Either<T, ?>> isLeft(216 @NotNull String predicateDescription, @NotNull Predicate<T> predicate) {217 return new TypeSafeDiagnosingMatcher<Either<T, ?>>() {218 @Override219 protected boolean matchesSafely(Either<T, ?> subject, Description mismatchDescription) {220 if (subject.isLeft()) {221 T actualValue = subject.getLeft();222 if (predicate.test(actualValue)) {223 return true;224 } else {225 mismatchDescription.appendText("is a left Either, not matching ")226 .appendValue(predicateDescription).appendText(", value ").appendValue(actualValue);227 }228 } else {229 mismatchDescription.appendText("is a right Either, with value ").appendValue(subject.get());230 }231 return false;232 }233 @Override234 public void describeTo(Description description) {235 description.appendText("is a left Either, matching ").appendValue(predicateDescription);236 }237 };238 }239 /**240 * Matches an Either that is a Right (success)241 *242 * @return A Hamcrest matcher243 */244 @NotNull245 public static TypeSafeDiagnosingMatcher<Either<?, ?>> isRight() {246 return new TypeSafeDiagnosingMatcher<Either<?, ?>>() {247 @Override248 protected boolean matchesSafely(Either<?, ?> subject, Description mismatchDescription) {249 if (subject.isRight()) {250 return true;251 }252 mismatchDescription.appendText("is a left Either, with value ").appendValue(subject.getLeft());253 return false;254 }255 @Override256 public void describeTo(Description description) {257 description.appendText("is a right Either");258 }259 };260 }261 /**262 * Matches an Either that is a Right (success), with the given value263 *264 * @param expectedValue The expected value contained in the right265 * @param <T> The type contained in the Either266 * @return A Hamcrest matcher267 */268 @NotNull269 public static <T> TypeSafeDiagnosingMatcher<Either<?, T>> isRight(@NotNull T expectedValue) {270 return new TypeSafeDiagnosingMatcher<Either<?, T>>() {271 @Override272 protected boolean matchesSafely(Either<?, T> subject, Description mismatchDescription) {273 if (subject.isRight()) {274 T actualValue = subject.get();275 if (actualValue.equals(expectedValue)) {276 return true;277 } else {278 mismatchDescription.appendText("is a right Either, with value ").appendValue(actualValue);279 }280 } else {281 mismatchDescription.appendText("is a left Either, with value ").appendValue(subject.getLeft());282 }283 return false;284 }285 @Override286 public void describeTo(Description description) {287 description.appendText("is a right Either, with value ").appendValue(expectedValue);288 }289 };290 }291 /**292 * Matches a right Either with a value matching the given Predicate293 *294 * @param predicateDescription Describes the predicate for user feedback295 * @param predicate The predicate to match296 * @param <T> The type of value that should be in the Either297 * @return A Hamcrest matcher298 */299 @NotNull300 public static <T> TypeSafeDiagnosingMatcher<Either<?, T>> isRight(301 @NotNull String predicateDescription, @NotNull Predicate<T> predicate) {302 return new TypeSafeDiagnosingMatcher<Either<?, T>>() {303 @Override304 protected boolean matchesSafely(Either<?, T> subject, Description mismatchDescription) {305 if (subject.isRight()) {306 T actualValue = subject.get();307 if (predicate.test(actualValue)) {308 return true;309 } else {310 mismatchDescription.appendText("is a right Either, not matching ")311 .appendValue(predicateDescription).appendText(", value ").appendValue(actualValue);312 }313 } else {314 mismatchDescription.appendText("is a left Either, with value ").appendValue(subject.getLeft());315 }316 return false;317 }318 @Override319 public void describeTo(Description description) {320 description.appendText("is a right Either, matching ").appendValue(predicateDescription);321 }322 };323 }324 // endregion<L,R>325 // region Matchers for Try<T>326 /**327 * Matches a Try that is a success328 *329 * @return A Hamcrest matcher330 */331 @NotNull332 public static TypeSafeDiagnosingMatcher<Try<?>> isSuccess() {333 return new TypeSafeDiagnosingMatcher<Try<?>>() {334 @Override335 protected boolean matchesSafely(Try<?> subject, Description mismatchDescription) {336 if (subject.isSuccess()) {337 return true;338 }339 mismatchDescription.appendText("is a failure, with exception of type ")340 .appendValue(subject.getCause().getClass());341 return false;342 }343 @Override344 public void describeTo(Description description) {345 description.appendText("is a success");346 }347 };348 }349 /**350 * A matcher for Try that is a success, and contains the given value351 * @param expectedValue The expected value352 * @return A Hamcrest matcher353 * @param <T> The type of expected value354 */355 @NotNull356 public static <T> TypeSafeDiagnosingMatcher<Try<T>> isSuccess(@NotNull T expectedValue) {357 return new TypeSafeDiagnosingMatcher<Try<T>>() {358 @Override359 protected boolean matchesSafely(Try<T> subject, Description mismatchDescription) {360 if (subject.isSuccess()) {361 T actualValue = subject.get();362 if (expectedValue.equals(actualValue)) {363 return true;364 }365 mismatchDescription.appendText("is a success, with value ")366 .appendValue(actualValue);367 } else {368 mismatchDescription.appendText("is a failure, with exception of type ")369 .appendValue(subject.getCause().getClass());370 }371 return false;372 }373 @Override374 public void describeTo(Description description) {375 description.appendText("is a success, with value ").appendValue(expectedValue);376 }377 };378 }379 /**380 * Matches a Try that is a success, whose value matches the given predicate381 * @param predicateDescription Describes the predicate for user feedback382 * @param predicate The predicate to match383 * @return A Hamcrest matcher384 * @param <T> The type of value in the try385 */386 @NotNull387 public static <T> TypeSafeDiagnosingMatcher<Try<T>> isSuccess(@NotNull String predicateDescription, @NotNull Predicate<T> predicate) {388 return new TypeSafeDiagnosingMatcher<Try<T>>() {389 @Override390 protected boolean matchesSafely(Try<T> subject, Description mismatchDescription) {391 if (subject.isSuccess()) {392 T actualValue = subject.get();393 if (predicate.test(actualValue)) {394 return true;395 }396 mismatchDescription.appendText("is a success, which does not match ").appendValue(predicateDescription).appendText(", value ")397 .appendValue(actualValue);398 } else {399 mismatchDescription.appendText("is a failure, with exception of type ")400 .appendValue(subject.getCause().getClass());401 }402 return false;403 }404 @Override405 public void describeTo(Description description) {406 description.appendText("is a success, matching ").appendValue(predicateDescription);407 }408 };409 }410 /**411 * Matches a Try that is a failure412 *413 * @return A Hamcrest matcher414 */415 @NotNull416 public static TypeSafeDiagnosingMatcher<Try<?>> isFailure() {417 return new TypeSafeDiagnosingMatcher<Try<?>>() {418 @Override419 protected boolean matchesSafely(Try<?> subject, Description mismatchDescription) {420 if (subject.isFailure()) {421 return true;422 }423 mismatchDescription.appendText("is a success, with value ")424 .appendValue(subject.get());425 return false;426 }427 @Override428 public void describeTo(Description description) {429 description.appendText("is a failure");430 }431 };432 }433 /**434 * Matches a Try that is a failure, containing the given exception435 * @param expectedClass The class of the exception contained in the Try436 * @return A Hamcrest matcher437 * @param <T> The type of Throwable438 */439 @NotNull440 public static <T extends Throwable> TypeSafeDiagnosingMatcher<Try<?>> isFailure(@NotNull Class<T> expectedClass) {441 return new TypeSafeDiagnosingMatcher<Try<?>>() {442 @Override443 protected boolean matchesSafely(Try<?> subject, Description mismatchDescription) {444 if (subject.isFailure()) {445 Throwable actualValue = subject.getCause();446 Class<? extends Throwable> actualClass = actualValue.getClass();447 if (expectedClass.isAssignableFrom(actualClass)) {448 return true;449 } else {450 mismatchDescription.appendText("is a failure, with exception of type ").appendValue(actualClass.getName());451 }452 } else {453 mismatchDescription.appendText("is a success, with value ")454 .appendValue(subject.get());455 }456 return false;457 }458 @Override459 public void describeTo(Description description) {460 description.appendText("is a failure, with exception of type ").appendValue(expectedClass.getName());461 }462 };463 }464 /**465 * Matches a try that is a failure, the contained throwable of which matches the given predicate466 * @param predicateDescription The description of the predicate467 * @param predicate The predicate468 * @return A HamCrest matcher469 */470 @NotNull471 public static TypeSafeDiagnosingMatcher<Try<?>> isFailure(@NotNull String predicateDescription, @NotNull Predicate<Throwable> predicate) {472 return new TypeSafeDiagnosingMatcher<Try<?>>() {473 @Override474 protected boolean matchesSafely(Try<?> subject, Description mismatchDescription) {475 if (subject.isFailure()) {476 Throwable actualValue = subject.getCause();477 Class<? extends Throwable> actualClass = actualValue.getClass();478 if (predicate.test(actualValue)) {479 return true;480 } else {481 mismatchDescription.appendText("is a failure, not matching ").appendValue(predicateDescription).appendText(", and exception ").appendValue(actualClass.getName());482 }483 } else {484 mismatchDescription.appendText("is a success, with value ")485 .appendValue(subject.get());486 }487 return false;488 }...

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Source:ValidationMatchers.java Github

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...12 */13 public static <T, U> Matcher<? super Validation<? extends T,? extends U>> isFailureNotSuccess() {14 return new TypeSafeMatcher<Validation<? extends T,? extends U>>() {15 @Override16 protected boolean matchesSafely(Validation<? extends T,? extends U> item) {17 return item.isFailure() && !item.isSuccess();18 }19 @Override20 public void describeTo(Description description) {21 description.appendText("a failure");22 }23 };24 }25 /**26 * Matches a success. Does not match a failure.27 * @param <T> Type of success value28 * @param <U> Type of error values29 */30 public static <T, U> Matcher<Validation<? extends T,? extends U>> isSuccessNotFailure() {31 return new TypeSafeMatcher<Validation<? extends T,? extends U>>() {32 @Override33 protected boolean matchesSafely(Validation<? extends T,? extends U> item) {34 return item.isSuccess() && !item.isFailure();35 }36 @Override37 public void describeTo(Description description) {38 description.appendText("a success");39 }40 };41 }42 /**43 * Matches a success with a value equalling that given. Does not match a failure.44 * @param <T> Type of success value45 * @param <U> Type of error values46 */47 public static <T, U> Matcher<? super Validation<? extends T,? extends U>> hasValue(T expected) {48 return new TypeSafeMatcher<Validation<? extends T,? extends U>>() {49 @Override50 protected boolean matchesSafely(Validation<? extends T,? extends U> item) {51 return item.isSuccess() && item.get().equals(expected);52 }53 @Override54 public void describeTo(Description description) {55 description.appendValue(Validation.success(expected));56 }57 };58 }59 /**60 * Matches a success with a value matching the given matcher. Does not match a failure.61 * @param <T> Type of success value62 * @param <U> Type of error values63 */64 public static <T, U> Matcher<? super Validation<? extends T,? extends U>> hasValue(Matcher<T> matcher) {65 return new TypeSafeMatcher<Validation<? extends T,? extends U>>() {66 @Override67 protected boolean matchesSafely(Validation<? extends T,? extends U> item) {68 return item.map(matcher::matches).orElse(false);69 }70 @Override71 public void describeTo(Description description) {72 description73 .appendText("a success with value matching ")74 .appendValue(matcher);75 }76 };77 }78 /**79 * Matches a failure with errors equalling those given in order. Does not match if the number of expected errors80 * does not equal the number of actual errors. Does not match a success.81 * @param <T> Type of success value82 * @param <U> Type of error values83 */84 @SafeVarargs85 public static <T, U> Matcher<? super Validation<? extends T,?>> hasErrorValue(U... expected) {86 return new TypeSafeMatcher<Validation<? extends T,?>>() {87 @Override88 protected boolean matchesSafely(Validation<? extends T,?> item) {89 return !item.isSuccess() && Arrays.asList(expected).equals(item.getErrors());90 }91 @Override92 public void describeTo(Description description) {93 description94 .appendText("a failure with errors containing ")95 .appendValue(expected);96 }97 };98 }99 /**100 * Matches a failure with errors matching the given matchers in order. Does not match if the number of matchers101 * does not equal the number of actual errors. Does not match a success.102 * @param <T> Type of success value103 * @param <U> Type of error values104 */105 @SafeVarargs106 public static <T, U> Matcher<? super Validation<? extends T,?>> hasErrorValue(Matcher<U>... expected) {107 return new TypeSafeMatcher<Validation<? extends T,?>>() {108 @Override109 protected boolean matchesSafely(Validation<? extends T,?> item) {110 if (item.isSuccess()) {111 return false;112 }113 if (expected.length != item.getErrors().size()) {114 return false;115 }116 for(int i = 0; i < expected.length; i++) {117 if(!expected[i].matches(item.getErrors().get(i))) {118 return false;119 }120 }121 return true;122 }123 @Override124 public void describeTo(Description description) {125 description126 .appendText("a failure with errors matching in turn ")127 .appendValue(expected);128 }129 };130 }131 /**132 * Matches a failure with errors that are exceptions each of which in turn has the same class and same message133 * as the expected exception in the same position in the arguments.134 *135 * Does not match if the length of errors does not equal the length of expected exceptions.136 *137 * Does not match a success.138 *139 * @param expected exceptions to check against140 * @param <E> Super type of supplied exceptions141 */142 @SafeVarargs143 @SuppressWarnings("unchecked")144 public static <E extends Exception> Matcher<? super Validation<?, ?>> hasErrorValueWhichIsAnException(E... expected) {145 return new TypeSafeMatcher<Validation<?,?>>() {146 @Override147 protected boolean matchesSafely(Validation<?, ?> item) {148 if(item.isSuccess()) {149 return false;150 }151 if(item.getErrors().size() != expected.length) {152 return false;153 }154 for(int i = 0; i < expected.length; i ++) {155 if(!errorsEqual((E)item.getErrors().get(i),expected[i])) {156 return false;157 }158 }159 return true;160 }161 private boolean errorsEqual(E error, E expected) {...

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Source:TryMatchers.java Github

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...26 private final Matcher<? super Exception> subMatcher;27 private FailureMatcher(Matcher<? super Exception> subMatcher) {28 this.subMatcher = subMatcher;29 }30 @Override protected boolean matchesSafely(Try<?> actual) {31 return actual.toEither().left().exists(subMatcher::matches);32 }33 @Override public void describeTo(Description description) {34 description.appendText("failure that ");35 subMatcher.describeTo(description);36 }37 @Override protected void describeMismatchSafely(Try<?> actual, Description mismatchDescription) {38 actual.fold(left -> {39 mismatchDescription.appendText("was failure that ");40 subMatcher.describeMismatch(left, mismatchDescription);41 return Unit();42 }, right -> {43 mismatchDescription.appendText("was successful");44 return Unit();45 });46 }47 }48 private static class SuccessfulMatcher<A> extends TypeSafeMatcher<Try<A>> {49 private final Matcher<? super A> subMatcher;50 private SuccessfulMatcher(Matcher<? super A> subMatcher) {51 this.subMatcher = subMatcher;52 }53 @Override protected boolean matchesSafely(Try<A> actual) {54 return actual.toEither().right().exists(subMatcher::matches);55 }56 @Override public void describeTo(Description description) {57 description.appendText("successful that ");58 subMatcher.describeTo(description);59 }60 @Override protected void describeMismatchSafely(Try<A> actual, Description mismatchDescription) {61 actual.fold(left -> {62 mismatchDescription.appendText("was failure");63 return Unit();64 }, right -> {65 mismatchDescription.appendText("was successful that ");66 subMatcher.describeMismatch(right, mismatchDescription);67 return Unit();...

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1package org.hamcrest.core;2import org.hamcrest.Description;3import org.hamcrest.Factory;4import org.hamcrest.Matcher;5import org.hamcrest.TypeSafeMatcher;6public class IsFailure<T> extends TypeSafeMatcher<T> {7 private final Matcher<? super Throwable> matcher;8 public IsFailure(Matcher<? super Throwable> matcher) {9 this.matcher = matcher;10 }11 public boolean matchesSafely(T item) {12 try {13 item.toString();14 return false;15 } catch (Throwable e) {16 return matcher.matches(e);17 }18 }19 public void describeTo(Description description) {20 description.appendText("throws exception ").appendDescriptionOf(matcher);21 }22 public static <T> Matcher<T> throwsException(Matcher<? super Throwable> matcher) {23 return new IsFailure<T>(matcher);24 }25}26package org.hamcrest.core;27import org.hamcrest.Description;28import org.hamcrest.Factory;29import org.hamcrest.Matcher;30import org.hamcrest.TypeSafeMatcher;31public class IsFailure<T> extends TypeSafeMatcher<T> {32 private final Matcher<? super Throwable> matcher;33 public IsFailure(Matcher<? super Throwable> matcher) {34 this.matcher = matcher;35 }36 public boolean matchesSafely(T item) {37 try {38 item.toString();39 return false;40 } catch (Throwable e) {41 return matcher.matches(e);42 }43 }44 public void describeTo(Description description) {45 description.appendText("throws exception ").appendDescriptionOf(matcher);46 }47 public static <T> Matcher<T> throwsException(Matcher<? super Throwable> matcher) {48 return new IsFailure<T>(matcher);49 }50}51package org.hamcrest.core;52import org.hamcrest.Description;53import org.hamcrest.Factory;54import org.hamcrest.Matcher;55import org.hamcrest.TypeSafeMatcher;56public class IsFailure<T> extends TypeSafeMatcher<T> {57 private final Matcher<? super Throwable> matcher;58 public IsFailure(Matcher<? super Throwable> matcher) {59 this.matcher = matcher;60 }61 public boolean matchesSafely(T item) {62 try {63 item.toString();64 return false;

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1import static org.hamcrest.MatcherAssert.assertThat;2import static org.hamcrest.Matchers.*;3import static org.hamcrest.core.Is.is;4import static org.hamcrest.core.IsEqual.equalTo;5import java.util.Arrays;6import java.util.List;7import org.hamcrest.Description;8import org.hamcrest.Matcher;9import org.hamcrest.TypeSafeMatcher;10import org.hamcrest.core.Is;11import org.hamcrest.core.IsEqual;12import org.junit.Test;13public class Test1 {14 public static class IsFailure extends TypeSafeMatcher<Matcher<?>> {15 private final Matcher<?> matcher;16 private final Matcher<String> description;17 public IsFailure(Matcher<?> matcher, Matcher<String> description) {18 this.matcher = matcher;19 this.description = description;20 }21 public void describeTo(Description description) {22 description.appendText("failure ").appendDescriptionOf(matcher);23 }24 protected boolean matchesSafely(Matcher<?> item) {25 try {26 item.matches(null);27 return false;28 } catch (AssertionError e) {29 return description.matches(e.getMessage());30 }31 }32 }33 public void test() {34 assertThat("Hello", is(equalTo("Hello")));35 assertThat("Hello", is(equalTo("Hello1")));36 }37}

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1package org.hamcrest;2import static org.hamcrest.core.Is.is;3import static org.junit.Assert.assertThat;4import org.hamcrest.core.IsFailure;5import org.junit.Test;6public class IsFailureTest {7 public void testMatchesSafely() {8 assertThat(new IsFailure(), is(new IsFailure()));9 }10}11at org.junit.Assert.fail(Assert.java:88)12at org.junit.Assert.failNotEquals(Assert.java:743)13at org.junit.Assert.assertThat(Assert.java:481)14at org.junit.Assert.assertThat(Assert.java:450)15at org.hamcrest.core.IsFailureTest.testMatchesSafely(IsFailureTest.java:12)16at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)17at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)18at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)19at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)20at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(Validating

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1import static org.hamcrest.MatcherAssert.assertThat;2import static org.hamcrest.Matchers.is;3import static org.hamcrest.Matchers.not;4import static org.hamcrest.Matchers.startsWith;5import static org.hamcrest.core.IsEqual.equalTo;6import org.hamcrest.Matcher;7import org.hamcrest.core.IsFailure;8import org.junit.Test;9public class IsFailureTest {10 public void testIsFailure() {11 assertThat("Hello World", is(not(equalTo("Hello World"))));12 assertThat("Hello World", is(not(equalTo("Hello World"))), isFailure(startsWith("expected:")));13 }14 private Matcher<Throwable> isFailure(final Matcher<String> matcher) {15 return new IsFailure<Throwable>(matcher);16 }17}

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1package org.hamcrest.core;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.hamcrest.TypeSafeMatcher;5import org.hamcrest.core.IsEqual;6import org.hamcrest.core.IsInstanceOf;7import org.junit.Test;8import static org.hamcrest.core.IsFailure.failure;9import static org.junit.Assert.assertThat;10public class IsFailureTest {11 public void testFailure() {12 assertThat(new RuntimeException("foo"), failure(RuntimeException.class, "foo"));13 assertThat(new RuntimeException("foo"), failure(RuntimeException.class, IsEqual.equalTo("foo")));14 assertThat(new RuntimeException("foo"), failure(IsInstanceOf.instanceOf(RuntimeException.class), IsEqual.equalTo("foo")));15 }16}17package org.hamcrest.core;18import java.util.List;19import org.hamcrest.Description;20import org.hamcrest.Matcher;21import org.hamcrest.TypeSafeMatcher;22import org.hamcrest.core.IsEqual;23import org.hamcrest.core.IsInstanceOf;24import org.junit.Test;25import static org.hamcrest.core.IsFailure.failure;26import static org.junit.Assert.assertThat;27public class IsFailureTest {28 public void testFailure() {29 assertThat(new RuntimeException("foo"), failure(RuntimeException.class, "foo"));30 assertThat(new RuntimeException("foo"), failure(RuntimeException.class, IsEqual.equalTo("foo")));31 assertThat(new RuntimeException("foo"), failure(IsInstanceOf.instanceOf(RuntimeException.class), IsEqual.equalTo("foo")));32 }33}34package org.hamcrest.core;35import java.util.List;36import org.hamcrest.Description;37import org.hamcrest.Matcher;38import org.hamcrest.TypeSafeMatcher;39import org.hamcrest.core.IsEqual;40import org.hamcrest.core.IsInstanceOf;41import org.junit.Test;42import static org.hamcrest.core.IsFailure.failure;43import static org.junit.Assert.assertThat;44public class IsFailureTest {45 public void testFailure() {46 assertThat(new RuntimeException("foo"), failure(RuntimeException.class, "foo"));47 assertThat(new RuntimeException("foo"), failure(RuntimeException.class, IsEqual.equalTo("foo")));48 assertThat(new RuntimeException("foo"), failure(IsInstanceOf.instanceOf(RuntimeException.class), IsEqual.equalTo("foo")));49 }50}51package org.hamcrest.core;52import java.util.List;53import org.hamcrest.Description;54import org.hamcrest.Matcher;55import org.hamcrest.TypeSafeMatcher;56import org.hamcrest.core.IsEqual;57import org.hamcrest.core.IsInstanceOf;58import org.junit.Test;59import static org.hamcrest.core.IsFailure.failure;60import static org.junit.Assert.assertThat;61public class IsFailureTest {

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1package org.hamcrest;2import org.hamcrest.Matcher;3import org.hamcrest.BaseMatcher;4import org.hamcrest.Description;5import org.hamcrest.Factory;6import org.hamcrest.core.IsEqual;7import org.hamcrest.core.IsSame;8import org.hamcrest.core.IsNot;9import org.hamcrest.core.IsNull;10import org.hamcrest.core.IsInstanceOf;11import org.hamcrest.core.IsCollectionContaining;

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matchesSafely

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1import org.hamcrest.*;2import org.hamcrest.core.*;3import org.hamcrest.text.*;4import org.hamcrest.number.*;5import org.hamcrest.object.*;6import org.hamcrest.collection.*;7import org.hamcrest.date.*;8import org.hamcrest.beans.*;9import org.hamcrest.xml.*;10import org.hamcrest.core.IsFailure;11import org.hamcrest.core.IsNot;12import org.hamcrest.core.IsSame;13import org.hamcrest.core.IsInstanceOf;

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matchesSafely

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1package org.hamcrest;2import static org.hamcrest.CoreMatchers.*;3import static org.hamcrest.MatcherAssert.assertThat;4import org.junit.Test;5public class IsFailureTest {6 public void testMatchesSafely() {7 Matcher<String> matcher = is("hello");8 boolean matchesSafely = new IsFailure<String>(matcher).matchesSafely("hello");9 assertThat(matchesSafely, is(false));10 }11}12 at org.junit.Assert.assertEquals(Assert.java:115)13 at org.junit.Assert.assertEquals(Assert.java:144)14 at org.hamcrest.IsFailureTest.testMatchesSafely(IsFailureTest.java:23)15Matcher<String> matcher = is("hello");16boolean matchesSafely = new IsFailure<String>(matcher).matchesSafely("hello");17Matcher<String> matcher = is("hello");18boolean matchesSafely = new IsFailure<String>(matcher).matchesSafely("hi");

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matchesSafely

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1import static org.hamcrest.MatcherAssert.assertThat;2import static org.hamcrest.Matchers.is;3import static org.hamcrest.Matchers.not;4import org.hamcrest.Matcher;5import org.hamcrest.StringDescription;6import org.hamcrest.core.IsFailure;7import org.junit.Test;8public class IsFailureTest {9public void test() {10 Matcher<String> matcher = is("a");11 assertThat(matcher.matches("b"), is(false));12 assertThat(matcher, not(IsFailure.failure()));13 assertThat(matcher, IsFailure.failure("was \"b\""));14 assertThat(matcher, IsFailure.failure("was \"b\"", "a"));15 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b"));16 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c"));17 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d"));18 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e"));19 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e", "f"));20 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e", "f", "g"));21 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e", "f", "g", "h"));22 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e", "f", "g", "h", "i"));23 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j"));24 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k"));25 assertThat(matcher, IsFailure.failure("was \"b\"", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",

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matchesSafely

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1package org.junit.matchers;2import org.hamcrest.Matcher;3public class IsFailure<T> extends TypeSafeMatcher<Matcher<T>> {4 private final T actual;5 private final String expectedMessage;6 public IsFailure(T actual, String expectedMessage) {7 this.actual = actual;8 this.expectedMessage = expectedMessage;9 }10 public boolean matchesSafely(Matcher<T> matcher) {11 try {12 matcher.matches(actual);13 } catch (AssertionError e) {14 return e.getMessage().equals(expectedMessage);15 }16 return false;17 }18 public void describeTo(Description description) {19 description.appendText("a matcher that fails with message \"")20 .appendText(expectedMessage).appendText("\"");21 }22}23package org.junit.matchers;24import org.hamcrest.Matcher;25public class IsFailure<T> extends TypeSafeMatcher<Matcher<T>> {26 private final T actual;27 private final String expectedMessage;28 public IsFailure(T actual, String expectedMessage) {29 this.actual = actual;30 this.expectedMessage = expectedMessage;31 }32 public boolean matchesSafely(Matcher<T> matcher) {33 try {34 matcher.matches(actual);35 } catch (AssertionError e) {36 return e.getMessage().equals(expectedMessage);37 }38 return false;39 }40 public void describeTo(Description description) {41 description.appendText("a matcher that fails with message \"")42 .appendText(expectedMessage).appendText("\"");43 }44}45package org.junit.matchers;46import org.hamcrest.Matcher;47public class IsFailure<T> extends TypeSafeMatcher<Matcher<T>> {48 private final T actual;49 private final String expectedMessage;50 public IsFailure(T actual, String expectedMessage) {51 this.actual = actual;52 this.expectedMessage = expectedMessage;53 }54 public boolean matchesSafely(Matcher<T> matcher) {55 try {56 matcher.matches(actual);57 } catch (AssertionError e) {58 return e.getMessage().equals

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