CheckedPredicate.java

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/*-
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 * #%L
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 * io.earcam.unexceptional
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 * %%
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 * Copyright (C) 2016 - 2017 earcam
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 * %%
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 * SPDX-License-Identifier: (BSD-3-Clause OR EPL-1.0 OR Apache-2.0 OR MIT)
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 *
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 * You <b>must</b> choose to accept, in full - any individual or combination of
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 * the following licenses:
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 * <ul>
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 * 	<li><a href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</a></li>
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 * 	<li><a href="https://www.eclipse.org/legal/epl-v10.html">EPL-1.0</a></li>
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 * 	<li><a href="https://www.apache.org/licenses/LICENSE-2.0">Apache-2.0</a></li>
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 * 	<li><a href="https://opensource.org/licenses/MIT">MIT</a></li>
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 * </ul>
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 * #L%
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 */
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package io.earcam.unexceptional;
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import java.io.Serializable;   // NOSONAR SonarQube false positive - putting @SuppressWarnings("squid:UselessImportCheck") on class has no effect, can't put at package level either
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import java.util.Objects;
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/**
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 * A checked parallel of {@link java.util.function.Predicate}
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 *
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 * @param <T> argument type
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 * @param <E> the type of Throwable declared
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 *
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 * @since 0.2.0
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 *
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 * @see java.util.function.Predicate
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 */
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@FunctionalInterface
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public interface CheckedPredicate<T, E extends Throwable> {
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	/**
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	 * See {@link java.util.function.Predicate#test(Object)}
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	 *
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	 * @param t argument
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	 * @return {@code true} if predicate matches, else {@code false}
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	 * @throws Throwable any throwable
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	 * @see java.util.function.Predicate#test(Object)
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	 */
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	public abstract boolean test(T t) throws E;
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	/**
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	 * See {@link java.util.function.Predicate#and(java.util.function.Predicate)}
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	 *
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	 * @param other the predicate to be compounded with logical <b>and</b>
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	 * @return the composite {@link CheckedPredicate}
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	 * @throws NullPointerException if {@code other} is {@code null}
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	 */
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	@SuppressWarnings("squid:S1905") // SonarQube false positive
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	public default CheckedPredicate<T, E> and(/* @Nonnull */ CheckedPredicate<? super T, ? extends E> other)
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	{
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		Objects.requireNonNull(other);
59 4 1. and : mutated return of Object value for io/earcam/unexceptional/CheckedPredicate::and to ( if (x != null) null else throw new RuntimeException ) → KILLED
2. lambda$and$30657e4e$1 : negated conditional → KILLED
3. lambda$and$30657e4e$1 : negated conditional → KILLED
4. lambda$and$30657e4e$1 : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED
 
		return (CheckedPredicate<T, E> & Serializable) t -> test(t) && other.test(t);
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	}
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	/**
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	 * See {@link java.util.function.Predicate#negate()}
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	 *
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	 * @return the negated {@link CheckedPredicate}
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	 */
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	@SuppressWarnings("squid:S1905") // SonarQube false positive
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	public default CheckedPredicate<T, E> negate()
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	{
71 3 1. lambda$negate$77f9e04e$1 : negated conditional → KILLED
2. lambda$negate$77f9e04e$1 : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED
3. negate : mutated return of Object value for io/earcam/unexceptional/CheckedPredicate::negate to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
		return (CheckedPredicate<T, E> & Serializable) t -> !test(t);
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	}
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	/**
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	 * See {@link java.util.function.Predicate#or(java.util.function.Predicate)}
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	 *
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	 * @param other the predicate to be compounded with logical <b>or</b>
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	 * @return the composite {@link CheckedPredicate}
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	 * @throws NullPointerException if {@code other} is {@code null}
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	 */
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	@SuppressWarnings("squid:S1905") // SonarQube false positive
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	public default CheckedPredicate<T, E> or(/* @Nonnull */ CheckedPredicate<? super T, ? extends E> other)
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	{
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		Objects.requireNonNull(other);
86 4 1. lambda$or$30657e4e$1 : negated conditional → KILLED
2. lambda$or$30657e4e$1 : negated conditional → KILLED
3. lambda$or$30657e4e$1 : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED
4. or : mutated return of Object value for io/earcam/unexceptional/CheckedPredicate::or to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
		return (CheckedPredicate<T, E> & Serializable) t -> test(t) || other.test(t);
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	}
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}

Mutations

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1.1
Location : and
Killed by : io.earcam.unexceptional.CheckedPredicateTest.and() mutated return of Object value for io/earcam/unexceptional/CheckedPredicate::and to ( if (x != null) null else throw new RuntimeException ) → KILLED

2.2
Location : lambda$and$30657e4e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.and() negated conditional → KILLED

3.3
Location : lambda$and$30657e4e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.and() negated conditional → KILLED

4.4
Location : lambda$and$30657e4e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.and() replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED
71

1.1
Location : lambda$negate$77f9e04e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.theNegatedPredicateFromDelmonteSaysNoooooooo() negated conditional → KILLED

2.2
Location : lambda$negate$77f9e04e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.theNegatedPredicateFromDelmonteSaysNoooooooo() replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED

3.3
Location : negate
Killed by : io.earcam.unexceptional.CheckedPredicateTest.theNegatedPredicateFromDelmonteSaysNoooooooo() mutated return of Object value for io/earcam/unexceptional/CheckedPredicate::negate to ( if (x != null) null else throw new RuntimeException ) → KILLED
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1.1
Location : lambda$or$30657e4e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.orBothFail() negated conditional → KILLED

2.2
Location : lambda$or$30657e4e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.orBothFail() negated conditional → KILLED

3.3
Location : lambda$or$30657e4e$1
Killed by : io.earcam.unexceptional.CheckedPredicateTest.orFirstSucceeds() replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED

4.4
Location : or
Killed by : io.earcam.unexceptional.CheckedPredicateTest.orFirstSucceeds() mutated return of Object value for io/earcam/unexceptional/CheckedPredicate::or to ( if (x != null) null else throw new RuntimeException ) → KILLED

Active mutators

Tests examined


Report generated by PIT 1.4.0