Functions.java

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package com.github.valid8j.pcond.forms;
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import com.github.valid8j.pcond.core.printable.PrintableFunctionFactory;
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import com.github.valid8j.pcond.core.refl.MethodQuery;
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import com.github.valid8j.pcond.core.refl.Parameter;
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import com.github.valid8j.pcond.core.refl.ReflUtils;
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import com.github.valid8j.pcond.experimentals.currying.CurriedFunction;
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import com.github.valid8j.pcond.experimentals.currying.CurryingUtils;
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import com.github.valid8j.pcond.experimentals.currying.multi.MultiFunction;
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import com.github.valid8j.pcond.experimentals.currying.multi.MultiFunctionUtils;
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import com.github.valid8j.pcond.validator.Validator;
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import com.github.valid8j.pcond.internals.InternalUtils;
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import java.util.Collection;
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import java.util.List;
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import java.util.NoSuchElementException;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import java.util.stream.IntStream;
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import java.util.stream.Stream;
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import static com.github.valid8j.pcond.core.refl.ReflUtils.invokeMethod;
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import static com.github.valid8j.pcond.forms.Predicates.allOf;
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import static com.github.valid8j.pcond.forms.Predicates.isInstanceOf;
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import static com.github.valid8j.pcond.internals.InternalUtils.formatObject;
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import static java.lang.String.format;
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import static java.util.Collections.singletonList;
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import static java.util.Objects.requireNonNull;
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/**
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 * An entry point for acquiring function objects.
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 * Functions retrieved by methods in this class are all "printable".
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 */
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public class Functions {
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  private Functions() {
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  }
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  /**
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   * Returns a printable function that returns a given object itself.
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   *
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   * @param <E> The type of the object.
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   * @return The function.
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   */
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  public static <E> Function<E, E> identity() {
46 1 1. identity : replaced return value with null for com/github/valid8j/pcond/forms/Functions::identity → KILLED
 
    return PrintableFunctionFactory.Simple.IDENTITY.instance();
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  }
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  /**
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   * Returns a function that gives a string representation of a object given to it.
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   * Internally, the returned function calls `toString` method on a given object.
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   *
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   * @param <E> The type of the object
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   * @return The function.
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   */
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  public static <E> Function<E, String> stringify() {
57 1 1. stringify : replaced return value with null for com/github/valid8j/pcond/forms/Functions::stringify → KILLED
 
    return PrintableFunctionFactory.Simple.STRINGIFY.instance();
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  }
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  /**
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   * Returns a function that gives a length of a string passed as an argument.
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   *
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   * @return The function.
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   */
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  public static Function<? super String, Integer> length() {
66 1 1. length : replaced return value with null for com/github/valid8j/pcond/forms/Functions::length → KILLED
 
    return PrintableFunctionFactory.Simple.LENGTH.instance();
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  }
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  @SuppressWarnings({ "unchecked", "RedundantClassCall" })
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  public static <E> Function<List<E>, E> elementAt(int i) {
72 1 1. elementAt : replaced return value with null for com/github/valid8j/pcond/forms/Functions::elementAt → KILLED
 
    return Function.class.cast(PrintableFunctionFactory.Parameterized.ELEMENT_AT.create(singletonList(i)));
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  }
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  /**
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   * Returns a function that that returns a size of a given list.
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   *
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   * @return The function.
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   */
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  public static <E> Function<Collection<E>, Integer> size() {
81 1 1. size : replaced return value with null for com/github/valid8j/pcond/forms/Functions::size → KILLED
 
    return PrintableFunctionFactory.Simple.SIZE.instance();
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  }
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  /**
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   * Returns a function that returns a stream for a given collection.
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   *
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   * @param <E> Type of elements in the given collection.
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   * @return The function.
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   */
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  public static <E> Function<Collection<? extends E>, Stream<E>> stream() {
91 1 1. stream : replaced return value with null for com/github/valid8j/pcond/forms/Functions::stream → KILLED
 
    return PrintableFunctionFactory.Simple.STREAM.instance();
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  }
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  /**
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   * Returns a function that returns a stream for a given collection.
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   *
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   * @param elementClass A parameter to let compiler know the type of the element in a collection.
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   * @param <E>          A type of elements in a collection.
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   * @return The function.
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   */
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  public static <E> Function<Collection<? extends E>, Stream<E>> stream(@SuppressWarnings("unused") Class<E> elementClass) {
102 1 1. stream : replaced return value with null for com/github/valid8j/pcond/forms/Functions::stream → KILLED
 
    return stream();
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  }
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  /**
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   * Returns a function that returns a stream for a given object.
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   * This method corresponds to {@link Stream#of(Object)} method.
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   *
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   * @param <E> Type of object.
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   * @return The function.
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   */
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  public static <E> Function<E, Stream<E>> streamOf() {
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    return PrintableFunctionFactory.Simple.STREAM_OF.instance();
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  }
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  /**
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   * Returns a function that casts an object into a given class.
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   *
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   * @param type The type to which the given object is cast
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   * @param <E>  The type to which the object is case.
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   * @return The function.
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   */
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  public static <E> Function<? super Object, E> cast(Class<E> type) {
124 1 1. cast : replaced return value with null for com/github/valid8j/pcond/forms/Functions::cast → KILLED
 
    return PrintableFunctionFactory.Parameterized.CAST.create(singletonList(type));
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  }
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  /**
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   * Returns a function that casts an object into a given class.
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   * ```java
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   *     assertThat(
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   *         asList(lastName, fullName),
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   *         allOf(
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   *             transform(elementAt(0).andThen(cast(String.class))).check(allOf(isNotNull(), not(isEmptyString()))),
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   *             transform(elementAt(1).andThen(castTo((List<String>)value()))).check(Predicates.contains(lastName))));
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   *  ```
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   *
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   * @param value A type place-holder.
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   *              Always use a value returned from {@link Functions#value()} method.
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   * @param <E>   The type to which the object is case.
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   * @return The function.
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   */
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  public static <E> Function<? super Object, E> castTo(@SuppressWarnings("unused") E value) {
143 1 1. castTo : replaced return value with null for com/github/valid8j/pcond/forms/Functions::castTo → NO_COVERAGE
 
    return PrintableFunctionFactory.Simple.CAST_TO.instance();
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  }
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  /**
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   * Returns a function that creates and returns a list that contains all the elements in the given list.
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   *
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   * @param <I> The type of the input collection.
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   * @param <E> Type of the elements in the collection
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   * @return The function.
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   */
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  public static <I extends Collection<E>, E> Function<I, List<E>> collectionToList() {
154 1 1. collectionToList : replaced return value with null for com/github/valid8j/pcond/forms/Functions::collectionToList → KILLED
 
    return PrintableFunctionFactory.Simple.COLLECTION_TO_LIST.instance();
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  }
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  /**
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   * Returns a function that converts a given array into a list.
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   *
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   * @param <E> Type of elements in a given array.
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   * @return The function.
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   */
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  public static <E> Function<E[], List<E>> arrayToList() {
164 1 1. arrayToList : replaced return value with null for com/github/valid8j/pcond/forms/Functions::arrayToList → KILLED
 
    return PrintableFunctionFactory.Simple.ARRAY_TO_LIST.instance();
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  }
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  /**
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   * Returns a function the counts lines in a given string.
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   *
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   * @return The function.
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   */
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  public static Function<String, Integer> countLines() {
173 1 1. countLines : replaced return value with null for com/github/valid8j/pcond/forms/Functions::countLines → KILLED
 
    return PrintableFunctionFactory.Simple.COUNT_LINES.instance();
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  }
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  /**
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   * //@formatter:off
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   * The returned function tries to find a {@code substring} after a given string.
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   * If found, it returns the result of the following statement.
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   *
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   * [source,java]
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   * ----
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   * s.substring(s.indexOf(substring) + substring.length())
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   * ----
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   *
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   * If not found, a {@link StringIndexOutOfBoundsException} will be thrown.
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   * //@formatter:on
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   *
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   * @param substring A substring to find in a given string.
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   * @return The string after the {@code substring}.
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   */
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  public static Function<String, String> findString(String substring) {
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    requireNonNull(substring);
194 1 1. findString : replaced return value with null for com/github/valid8j/pcond/forms/Functions::findString → KILLED
 
    return PrintableFunctionFactory.function(
195 1 1. lambda$findString$0 : replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$findString$0 → NO_COVERAGE
 
        () -> format("findString[%s]", substring),
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        s -> {
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          int index = s.indexOf(substring);
198 2 1. lambda$findString$1 : changed conditional boundary → SURVIVED
2. lambda$findString$1 : negated conditional → SURVIVED
 
          if (index >= 0)
199 2 1. lambda$findString$1 : replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$findString$1 → SURVIVED
2. lambda$findString$1 : Replaced integer addition with subtraction → KILLED
 
            return s.substring(s.indexOf(substring) + substring.length());
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          throw new NoSuchElementException(format("'%s' was not found in '%s'", substring, s));
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        });
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  }
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  /**
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   * https://en.wikipedia.org/wiki/Currying[Curries] a static method specified by the given arguments.
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   *
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   * @param aClass         A class to which the method to be curried belongs to.
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   * @param methodName     A name of the method to be curried.
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   * @param parameterTypes Parameters types of the method.
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   * @return A printable and curried function of the target method.
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   */
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  @SuppressWarnings("JavadocLinkAsPlainText")
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  public static CurriedFunction<Object, Object> curry(Class<?> aClass, String methodName, Class<?>... parameterTypes) {
214 1 1. curry : replaced return value with null for com/github/valid8j/pcond/forms/Functions::curry → KILLED
 
    return curry(multifunction(aClass, methodName, parameterTypes));
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  }
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  /**
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   * Curries a given multi-function.
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   *
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   * @param function A multi-function to be curried
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   * @return A curried function
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   * @see Functions#curry(Class, String, Class[])
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   */
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  public static CurriedFunction<Object, Object> curry(MultiFunction<Object> function) {
225 1 1. curry : replaced return value with null for com/github/valid8j/pcond/forms/Functions::curry → KILLED
 
    return CurryingUtils.curry(function);
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  }
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  public static <R> MultiFunction<R> multifunction(Class<?> aClass, String methodName, Class<?>... parameterTypes) {
229 1 1. multifunction : replaced return value with null for com/github/valid8j/pcond/forms/Functions::multifunction → KILLED
 
    return MultiFunctionUtils.multifunction(IntStream.range(0, parameterTypes.length).toArray(), aClass, methodName, parameterTypes);
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  }
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  /**
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   * Returns a {@link Function} created from a method specified by a {@code methodQuery}.
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   * If the {@code methodQuery} matches none or more than one methods, a {@code RuntimeException} will be thrown.
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   *
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   * To pass an input value given to an entry point method, such as `TestAssertions.assertThat`, to the method, use a place-holder value returned by {@link Functions#parameter()}.
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   *
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   * @param methodQuery A query object that specifies a method to be invoked by the returned function.
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   * @param <T>         the type of the input to the returned function
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   * @return Created function.
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   * @see Functions#classMethod(Class, String, Object[])
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   * @see Functions#instanceMethod(Object, String, Object[])
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   * @see Functions#parameter()
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   */
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  public static <T, R> Function<T, R> call(MethodQuery methodQuery) {
246 5 1. call : replaced return value with null for com/github/valid8j/pcond/forms/Functions::call → KILLED
2. lambda$call$4 : replaced return value with null for com/github/valid8j/pcond/forms/Functions::lambda$call$4 → KILLED
3. lambda$null$2 : replaced boolean return with false for com/github/valid8j/pcond/forms/Functions::lambda$null$2 → KILLED
4. lambda$null$2 : replaced boolean return with true for com/github/valid8j/pcond/forms/Functions::lambda$null$2 → KILLED
5. lambda$null$3 : replaced return value with null for com/github/valid8j/pcond/forms/Functions::lambda$null$3 → KILLED
 
    return Printables.function(methodQuery.describe(), t -> invokeMethod(methodQuery.bindActualArguments((o) -> o instanceof Parameter, o -> t)));
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  }
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  /**
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   * // @formatter:off
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   * Creates a {@link MethodQuery} object from given arguments to search for {@code static} methods.
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   * Note that {@code arguments} are actual argument values, not the formal parameter types.
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   * The pcond library searches for the "best" matching method for you.
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   * In case no matching method is found or more than one methods are found, a {@link RuntimeException}
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   * will be thrown.
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   *
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   * In order to specify a parameter which should be passed to the returned function at applying,
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   * you can use an object returned by {@link Functions#parameter} method.
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   * This is useful to construct a function from an existing method.
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   *
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   * To pass an input value given to an entry point method, such as `TestAssertions.assertThat`, to the method, use a place-holder value returned by {@link Functions#parameter()}.
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   *
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   * That is, in order to create a function which computes sin using query a method {@link Math#sin(double)},
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   * you can do following
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   *
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   * [source, java]
268 
   * ----
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   * public class Example
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   *   public void buildSinFunction() {
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   *     MethodQuery mq = classMethod(Math.class, "sin", parameter());
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   *     Function<Double, Double> sin = call(mq);
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   *     System.out.println(sin(Math.PI/2));
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   *   }
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   * }
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   * ----
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   * This prints {@code 1.0}.
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   *
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   * In case your arguments do not contain any {@link Parameter} object, the input
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   * argument passed to the built function will be simply ignored.
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   *
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   * // @formatter:on
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   *
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   * @param targetClass A class
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   * @param methodName  A method name
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   * @param arguments   Arguments
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   * @return A method query for static methods specified by arguments.
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   * @see ReflUtils#findMethod(Class, String, Object[])
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   * @see Functions#parameter()
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   */
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  public static MethodQuery classMethod(Class<?> targetClass, String methodName, Object... arguments) {
292 1 1. classMethod : replaced return value with null for com/github/valid8j/pcond/forms/Functions::classMethod → KILLED
 
    return MethodQuery.classMethod(targetClass, methodName, arguments);
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  }
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  /**
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   * // @formatter:off
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   * Creates a {@link MethodQuery} object from given arguments to search for {@code static} methods.
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   * Excepting that this method returns a query for instance methods, it is quite
299 
   * similar to {@link Functions#classMethod(Class, String, Object[])}.
300 
   *
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   * This method is useful to build a function from an instance method.
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   * That is, you can create a function which returns the length of a given string
303 
   * from a method {@link String#length()} with a following code snippet.
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   *
305 
   * [source, java]
306 
   * ----
307 
   * public void buildLengthFunction() {
308 
   *   Function<String, Integer> length = call(instanceMethod(parameter(), "length"));
309 
   * }
310 
   * ----
311 
   *
312 
   * In case the {@code targetObject} is not an instance of {@link Parameter} and {@code arguments}
313 
   * contain no {@code Parameter} object, the function will simply ignore the input passed to it.
314 
   *
315 
   * To pass an input value given to an entry point method, such as `TestAssertions.assertThat`, to the method, use a place-holder value returned by {@link Functions#parameter()}.
316 
   *
317 
   * // @formatter:on
318 
   *
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   * @param targetObject An object on which methods matching returned query should be invoked.
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   * @param methodName   A name of method.
321 
   * @param arguments    Arguments passed to the method.
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   * @return A method query for instance methods specified by arguments.
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   * @see Functions#classMethod(Class, String, Object[])
324 
   * @see Functions#parameter()
325 
   */
326 
  public static MethodQuery instanceMethod(Object targetObject, String methodName, Object... arguments) {
327 1 1. instanceMethod : replaced return value with null for com/github/valid8j/pcond/forms/Functions::instanceMethod → KILLED
 
    return MethodQuery.instanceMethod(targetObject, methodName, arguments);
328 
  }
329
330 
  /**
331 
   * // @formatter:off
332 
   * A short hand method to call
333 
   *
334 
   * [source, java]
335 
   * ---
336 
   * call(instanceMethod(object, methodName, args))
337 
   * ---
338 
   * // @formatter:on
339 
   *
340 
   * To pass an input value given to an entry point method, such as `TestAssertions.assertThat`, to the method, use a place-holder value returned by {@link Functions#parameter()}.
341 
   *
342 
   * @param targetObject An object on which methods matching returned query should be invoked.
343 
   * @param methodName   A name of method.
344 
   * @param arguments    Arguments passed to the method.
345 
   * @param <T>          The type of the input to the returned function.
346 
   * @param <R>          The type of the output from the returned function.
347 
   * @return The function that calls a method matching a query built from the given arguments.
348 
   * @see Functions#call(MethodQuery)
349 
   * @see Functions#instanceMethod(Object, String, Object[])
350 
   * @see Functions#parameter()
351 
   */
352 
  private static <T, R> Function<T, R> callInstanceMethod(Object targetObject, String methodName, Object... arguments) {
353 1 1. callInstanceMethod : replaced return value with null for com/github/valid8j/pcond/forms/Functions::callInstanceMethod → KILLED
 
    return call(instanceMethod(targetObject, methodName, arguments));
354 
  }
355
356 
  /**
357 
   * Returns a function that calls a method which matches the given {@code methodName}
358 
   * and {@code args} on the object given as input to it.
359 
   *
360 
   * Note that method look up is done when the predicate is applied.
361 
   * This means this method does not throw any exception by itself and in case
362 
   * you give wrong {@code methodName} or {@code arguments}, an exception will be
363 
   * thrown when the returned function is applied.
364 
   *
365 
   * // @formatter:off
366 
   * [source, java]
367 
   * ----
368 
   * public class Example {
369 
   *   public void method() {
370 
   *     assertThat(value, transform(call("toString")).check(isNotNull()));
371 
   *   }
372 
   * }
373 
   * ----
374 
   *
375 
   * To pass an input value given to an entry point method, such as `TestAssertions.assertThat`, to the method, use a place-holder value returned by {@link Functions#parameter()}.
376 
   *
377 
   * // @formatter:on
378 
   *
379 
   * @param methodName The method name
380 
   * @param arguments  Arguments passed to the method.
381 
   * @param <T>        The type of input to the returned function
382 
   * @param <R>        The type of output from the returned function
383 
   * @return A function that invokes the method matching the {@code methodName} and {@code args}
384 
   * @see Functions#parameter()
385 
   */
386 
  public static <T, R> Function<T, R> call(String methodName, Object... arguments) {
387 1 1. call : replaced return value with null for com/github/valid8j/pcond/forms/Functions::call → KILLED
 
    return callInstanceMethod(parameter(), methodName, arguments);
388 
  }
389
390 
  /**
391 
   * Returns a function that converts an input value to an exception object, which is thrown by `func`, when it is applied.
392 
   * If it does not throw an exception, or even if thrown, it is not an instance of {@code exceptionClass}, an assertion executed inside this method will fail and an exception
393 
   * to indicate it will be thrown.
394 
   * The exception will be typically an {@link AssertionError}.
395 
   *
396 
   * @param exceptionClass An exception class to be thrown.
397 
   * @param func           A function to be exercised
398 
   * @param <T>            A type of exception value to be thrown by {@code func}.
399 
   * @param <E>            An input value type of {@code func}.
400 
   * @return A function that maps an input value to an exception.
401 
   */
402 
  @SuppressWarnings("unchecked")
403 
  public static <T, E extends Throwable> Function<T, E> expectingException(Class<E> exceptionClass, Function<? super T, ?> func) {
404 1 1. expectingException : replaced return value with null for com/github/valid8j/pcond/forms/Functions::expectingException → KILLED
 
    return Printables.function(
405 1 1. lambda$expectingException$5 : replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$expectingException$5 → SURVIVED
 
        () -> String.format("expectingException(%s,%s)", exceptionClass.getSimpleName(), func),
406 
        in -> {
407 
          Object out;
408 
          try {
409 
            out = func.apply(in);
410 
          } catch (Throwable e) {
411 1 1. lambda$expectingException$6 : removed call to com/github/valid8j/pcond/validator/Validator::assertThat → KILLED
 
            Validator.instance().assertThat(e, isInstanceOf(exceptionClass));
412 1 1. lambda$expectingException$6 : replaced return value with null for com/github/valid8j/pcond/forms/Functions::lambda$expectingException$6 → KILLED
 
            return (E) e;
413 
          }
414 1 1. lambda$expectingException$6 : removed call to com/github/valid8j/pcond/validator/Validator::assertThat → KILLED
 
          Validator.instance().assertThat(
415 
              String.format("%s(%s)->%s", func, InternalUtils.formatObject(in, 12), InternalUtils.formatObject(out, 12)),
416 
              allOf(exceptionThrown(), exceptionClassWas(exceptionClass)));
417 
          throw new AssertionError("A line that shouldn't be reached. File a ticket.");
418 
        });
419 
  }
420
421 
  /**
422 
   * Returns a {@link Parameter} object, which is used in combination with {@link Functions#instanceMethod(Object, String, Object[])},
423 
   * {@link Functions#classMethod(Class, String, Object[])}, or their shorthand methods.
424 
   * The object returned by this method is replaced with the actual input value passed to a function built
425 
   * through {@link Functions#call(MethodQuery)} or {@link Predicates#callp(MethodQuery)}
426 
   * when it is applied.
427 
   *
428 
   * @return a {@code Parameter} object
429 
   * @see Functions#classMethod(Class, String, Object[])
430 
   * @see Functions#instanceMethod(Object, String, Object[])
431 
   * @see Functions#call(MethodQuery)
432 
   * @see Functions#call(String, Object[])
433 
   * @see Predicates#callp(MethodQuery)
434 
   * @see Predicates#callp(String, Object[])
435 
   */
436 
  public static Parameter parameter() {
437 1 1. parameter : replaced return value with null for com/github/valid8j/pcond/forms/Functions::parameter → KILLED
 
    return Parameter.INSTANCE;
438 
  }
439
440 
  private static Predicate<Object> exceptionThrown() {
441 2 1. lambda$exceptionThrown$7 : replaced boolean return with true for com/github/valid8j/pcond/forms/Functions::lambda$exceptionThrown$7 → SURVIVED
2. exceptionThrown : replaced return value with null for com/github/valid8j/pcond/forms/Functions::exceptionThrown → KILLED
 
    return Printables.predicate("exceptionThrown", v -> false);
442 
  }
443
444 
  private static Predicate<Object> exceptionClassWas(Class<? extends Throwable> exceptionClass) {
445 3 1. exceptionClassWas : replaced return value with null for com/github/valid8j/pcond/forms/Functions::exceptionClassWas → KILLED
2. lambda$exceptionClassWas$8 : replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$exceptionClassWas$8 → KILLED
3. lambda$exceptionClassWas$9 : replaced boolean return with true for com/github/valid8j/pcond/forms/Functions::lambda$exceptionClassWas$9 → KILLED
 
    return Printables.predicate(() -> "exceptionClass:" + requireNonNull(exceptionClass).getSimpleName(), v -> false);
446 
  }
447
448 
  /**
449 
   * A method to return a value for a "casting placeholder value".
450 
   *
451 
   * @param <E> Type to cast to.
452 
   * @return Casting placeholder value
453 
   */
454 
  public static <E> E value() {
455 
    return null;
456 
  }
457 
}

Mutations

46

1.1
Location : identity
Killed by : com.github.valid8j.ut.internal.PrintablesFunctionTest$Simple.test(com.github.valid8j.ut.internal.PrintablesFunctionTest$Simple) replaced return value with null for com/github/valid8j/pcond/forms/Functions::identity → KILLED
57

1.1
Location : stringify
Killed by : com.github.valid8j.ut.internal.FunctionsTest$StringifyTest.whenToString$thenLooksGood(com.github.valid8j.ut.internal.FunctionsTest$StringifyTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::stringify → KILLED
66

1.1
Location : length
Killed by : com.github.valid8j.ut.internal.PrintablesFunctionTest$Composed.testAndThen(com.github.valid8j.ut.internal.PrintablesFunctionTest$Composed) replaced return value with null for com/github/valid8j/pcond/forms/Functions::length → KILLED
72

1.1
Location : elementAt
Killed by : com.github.valid8j.ut.internal.FunctionsTest$ElementAtTest.whenToString$thenLooksGood(com.github.valid8j.ut.internal.FunctionsTest$ElementAtTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::elementAt → KILLED
81

1.1
Location : size
Killed by : com.github.valid8j.ut.internal.FunctionsTest$SizeTest.whenToString$thenLooksGood(com.github.valid8j.ut.internal.FunctionsTest$SizeTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::size → KILLED
91

1.1
Location : stream
Killed by : com.github.valid8j.ut.internal.FunctionsTest$StreamTest.whenToString$thenLooksGood(com.github.valid8j.ut.internal.FunctionsTest$StreamTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::stream → KILLED
102

1.1
Location : stream
Killed by : com.github.valid8j.ut.internal.FunctionsTest$StreamTest.whenApplied$thenLooksGood(com.github.valid8j.ut.internal.FunctionsTest$StreamTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::stream → KILLED
113

1.1
Location : streamOf
Killed by : com.github.valid8j.ut.equallness.EqualnessTest.equalHashCode[5](com.github.valid8j.ut.equallness.EqualnessTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::streamOf → KILLED
124

1.1
Location : cast
Killed by : com.github.valid8j.ut.internal.PrintablesFunctionTest$Composed.testComposeParameterized(com.github.valid8j.ut.internal.PrintablesFunctionTest$Composed) replaced return value with null for com/github/valid8j/pcond/forms/Functions::cast → KILLED
143

1.1
Location : castTo
Killed by : none replaced return value with null for com/github/valid8j/pcond/forms/Functions::castTo → NO_COVERAGE
154

1.1
Location : collectionToList
Killed by : com.github.valid8j.ut.internal.ParameterizedFunctionsTest.exerciseToString[3](com.github.valid8j.ut.internal.ParameterizedFunctionsTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::collectionToList → KILLED
164

1.1
Location : arrayToList
Killed by : com.github.valid8j.ut.internal.ParameterizedFunctionsTest.exerciseToString[0](com.github.valid8j.ut.internal.ParameterizedFunctionsTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::arrayToList → KILLED
173

1.1
Location : countLines
Killed by : com.github.valid8j.ut.internal.ParameterizedFunctionsTest.exerciseToString[5](com.github.valid8j.ut.internal.ParameterizedFunctionsTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::countLines → KILLED
194

1.1
Location : findString
Killed by : com.github.valid8j.ut.utilstest.PredicatesTest$FindStringTest.example(com.github.valid8j.ut.utilstest.PredicatesTest$FindStringTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::findString → KILLED
195

1.1
Location : lambda$findString$0
Killed by : none replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$findString$0 → NO_COVERAGE
198

1.1
Location : lambda$findString$1
Killed by : none changed conditional boundary → SURVIVED

2.2
Location : lambda$findString$1
Killed by : none negated conditional → SURVIVED
199

1.1
Location : lambda$findString$1
Killed by : com.github.valid8j.ut.utilstest.PredicatesTest$FindStringTest.example(com.github.valid8j.ut.utilstest.PredicatesTest$FindStringTest) Replaced integer addition with subtraction → KILLED

2.2
Location : lambda$findString$1
Killed by : none replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$findString$1 → SURVIVED
214

1.1
Location : curry
Killed by : com.github.valid8j.ut.currying.CurryingTest.givenCurriedFunction$whenApplyLastBeforeLast$thenIllegalStateIsThrown(com.github.valid8j.ut.currying.CurryingTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::curry → KILLED
225

1.1
Location : curry
Killed by : com.github.valid8j.ut.currying.CurryingTest.givenCurriedFunction$whenApplyLastBeforeLast$thenIllegalStateIsThrown(com.github.valid8j.ut.currying.CurryingTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::curry → KILLED
229

1.1
Location : multifunction
Killed by : com.github.valid8j.ut.internal.FunctionsTest$MultiFunctionTest.runVoidReturningMultiParameterFunction$thenNullReturned(com.github.valid8j.ut.internal.FunctionsTest$MultiFunctionTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::multifunction → KILLED
246

1.1
Location : call
Killed by : com.github.valid8j.ut.internal.CallTest.functionCanBeCreatedFromInstanceMethod(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::call → KILLED

2.2
Location : lambda$call$4
Killed by : com.github.valid8j.ut.internal.CallTest.functionCanBeCreatedFromInstanceMethod(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::lambda$call$4 → KILLED

3.3
Location : lambda$null$2
Killed by : com.github.valid8j.ut.internal.CallTest.functionCanBeCreatedFromInstanceMethod(com.github.valid8j.ut.internal.CallTest) replaced boolean return with false for com/github/valid8j/pcond/forms/Functions::lambda$null$2 → KILLED

4.4
Location : lambda$null$2
Killed by : com.github.valid8j.ut.internal.CallTest.instanceMethodCanBeCreatedOnSpecifiedObject(com.github.valid8j.ut.internal.CallTest) replaced boolean return with true for com/github/valid8j/pcond/forms/Functions::lambda$null$2 → KILLED

5.5
Location : lambda$null$3
Killed by : com.github.valid8j.ut.internal.CallTest.functionCanBeCreatedFromInstanceMethod(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::lambda$null$3 → KILLED
292

1.1
Location : classMethod
Killed by : com.github.valid8j.ut.internal.CallTest.classMethodCaBeCalled(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::classMethod → KILLED
327

1.1
Location : instanceMethod
Killed by : com.github.valid8j.ut.internal.CallTest.methodIncompatible(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::instanceMethod → KILLED
353

1.1
Location : callInstanceMethod
Killed by : com.github.valid8j.ut.internal.CallTest.covariantOverridingMethodCanBeInvokedCorrectly(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::callInstanceMethod → KILLED
387

1.1
Location : call
Killed by : com.github.valid8j.ut.internal.CallTest.covariantOverridingMethodCanBeInvokedCorrectly(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::call → KILLED
404

1.1
Location : expectingException
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectedExceptionThrown_testPassing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::expectingException → KILLED
405

1.1
Location : lambda$expectingException$5
Killed by : none replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$expectingException$5 → SURVIVED
411

1.1
Location : lambda$expectingException$6
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectingDifferentException_testFailing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) removed call to com/github/valid8j/pcond/validator/Validator::assertThat → KILLED
412

1.1
Location : lambda$expectingException$6
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectedExceptionThrown_testPassing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::lambda$expectingException$6 → KILLED
414

1.1
Location : lambda$expectingException$6
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectingExceptionButNotThrown_testFailing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) removed call to com/github/valid8j/pcond/validator/Validator::assertThat → KILLED
437

1.1
Location : parameter
Killed by : com.github.valid8j.ut.internal.CallTest.methodIncompatible(com.github.valid8j.ut.internal.CallTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::parameter → KILLED
441

1.1
Location : exceptionThrown
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectingExceptionButNotThrown_testFailing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::exceptionThrown → KILLED

2.2
Location : lambda$exceptionThrown$7
Killed by : none replaced boolean return with true for com/github/valid8j/pcond/forms/Functions::lambda$exceptionThrown$7 → SURVIVED
445

1.1
Location : exceptionClassWas
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectingExceptionButNotThrown_testFailing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) replaced return value with null for com/github/valid8j/pcond/forms/Functions::exceptionClassWas → KILLED

2.2
Location : lambda$exceptionClassWas$8
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectingExceptionButNotThrown_testFailing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) replaced return value with "" for com/github/valid8j/pcond/forms/Functions::lambda$exceptionClassWas$8 → KILLED

3.3
Location : lambda$exceptionClassWas$9
Killed by : com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest.expectingExceptionButNotThrown_testFailing(com.github.valid8j.ut.styles.FluentStyleTestAssertionTest$ForTestAssertionsTest) replaced boolean return with true for com/github/valid8j/pcond/forms/Functions::lambda$exceptionClassWas$9 → KILLED

Active mutators

Tests examined


Report generated by PIT 1.7.3