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How to use matchesSafely method of matchers.IsFailure class

Best Spectrum code snippet using matchers.IsFailure.matchesSafely

Source:VavrMatchers.java

...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			}...

Source:ValidationMatchers.java

...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) {...

Source:TryMatchers.java

...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();...

matchesSafely

Using AI Code Generation

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;

matchesSafely

Using AI Code Generation

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}

matchesSafely

Using AI Code Generation

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

matchesSafely

Using AI Code Generation

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}

matchesSafely

Using AI Code Generation

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 {

matchesSafely

Using AI Code Generation

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;

matchesSafely

Using AI Code Generation

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;

matchesSafely

Using AI Code Generation

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");

matchesSafely

Using AI Code Generation

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",

matchesSafely

Using AI Code Generation

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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