Dataset.java

package com.github.valid8j.metamor;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;

import static java.util.Collections.unmodifiableList;
import static java.util.Objects.requireNonNull;

public interface Dataset<E> extends Iterable<E> {
  String name();

  E get(int i);

  int size();

  default E last() {
    return this.get(this.size() - 1);
  }

  default Stream<E> stream() {
    return StreamSupport.stream(this.spliterator(), false);
  }

  abstract class Base<E> implements Dataset<E> {
    private final String name;

    Base(String name) {
      this.name = requireNonNull(name);
    }

    public String name() {
      return this.name;
    }
  }

  interface OnGoing<E> extends Dataset<E> {
    OnGoing<E> add(E value);

    Dataset<E> close();

    class Impl<E> extends Base<E> implements OnGoing<E> {
      final List<E> content;

      public Impl(String name) {
        super(name);
        this.content = new ArrayList<>();
      }

      public Impl(String name, Dataset<E> content) {
        this(name);
        for (int i = 0; i < content.size(); i++)
          this.add(content.get(i));
      }

      @Override
      public E get(int i) {
        return this.content.get(i);
      }

      @Override
      public int size() {
        return this.content.size();
      }

      @Override
      public OnGoing<E> add(E value) {
        this.content.add(value);
        return this;
      }

      @Override
      public Dataset<E> close() {
        return new Closed.Impl<>(this.name(), this.content);
      }

      @Override
      public Iterator<E> iterator() {
        return this.content.iterator();
      }

      @Override
      public String toString() {
        if (this.size() == 0)
          return this.name() + ":(empty)";
        return this.name() + ":" + last();
      }
    }
  }

  interface Closed<E> extends Dataset<E> {
    class Impl<E> extends Base<E> implements Closed<E> {
      final List<E> content;

      public Impl(String name, List<E> content) {
        super(name);
        this.content = unmodifiableList(content);
      }

      @Override
      public E get(int i) {
        return this.content.get(i);
      }

      @Override
      public int size() {
        return this.content.size();
      }

      @Override
      public Iterator<E> iterator() {
        return this.content.iterator();
      }

      @Override
      public String toString() {
        return this.name() + ":" + this.content;
      }
    }
  }
}


















Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NULL_RETURNS
PRIMITIVE_RETURNS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) (7 ms)
com.github.valid8j.examples.test.ExamplesTest.testMetarmorExampleFailing(com.github.valid8j.examples.test.ExamplesTest) (60 ms)

Report generated by PIT 1.7.3

1		package com.github.valid8j.metamor;
2
3		import java.util.ArrayList;
4		import java.util.Iterator;
5		import java.util.List;
6		import java.util.stream.Stream;
7		import java.util.stream.StreamSupport;
8
9		import static java.util.Collections.unmodifiableList;
10		import static java.util.Objects.requireNonNull;
11
12		public interface Dataset<E> extends Iterable<E> {
13		String name();
14
15		E get(int i);
16
17		int size();
18
19		default E last() {
20	2 1. last : replaced return value with null for com/github/valid8j/metamor/Dataset::last → SURVIVED 2. last : Replaced integer subtraction with addition → KILLED	return this.get(this.size() - 1);
21		}
22
23		default Stream<E> stream() {
24	1 1. stream : replaced return value with Stream.empty for com/github/valid8j/metamor/Dataset::stream → KILLED	return StreamSupport.stream(this.spliterator(), false);
25		}
26
27		abstract class Base<E> implements Dataset<E> {
28		private final String name;
29
30		Base(String name) {
31		this.name = requireNonNull(name);
32		}
33
34		public String name() {
35	1 1. name : replaced return value with "" for com/github/valid8j/metamor/Dataset$Base::name → SURVIVED	return this.name;
36		}
37		}
38
39		interface OnGoing<E> extends Dataset<E> {
40		OnGoing<E> add(E value);
41
42		Dataset<E> close();
43
44		class Impl<E> extends Base<E> implements OnGoing<E> {
45		final List<E> content;
46
47		public Impl(String name) {
48		super(name);
49		this.content = new ArrayList<>();
50		}
51
52		public Impl(String name, Dataset<E> content) {
53		this(name);
54	2 1. <init> : changed conditional boundary → KILLED 2. <init> : negated conditional → KILLED	for (int i = 0; i < content.size(); i++)
55		this.add(content.get(i));
56		}
57
58		@Override
59		public E get(int i) {
60	1 1. get : replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::get → KILLED	return this.content.get(i);
61		}
62
63		@Override
64		public int size() {
65	1 1. size : replaced int return with 0 for com/github/valid8j/metamor/Dataset$OnGoing$Impl::size → KILLED	return this.content.size();
66		}
67
68		@Override
69		public OnGoing<E> add(E value) {
70		this.content.add(value);
71	1 1. add : replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::add → SURVIVED	return this;
72		}
73
74		@Override
75		public Dataset<E> close() {
76	1 1. close : replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::close → KILLED	return new Closed.Impl<>(this.name(), this.content);
77		}
78
79		@Override
80		public Iterator<E> iterator() {
81	1 1. iterator : replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::iterator → NO_COVERAGE	return this.content.iterator();
82		}
83
84		@Override
85		public String toString() {
86	1 1. toString : negated conditional → NO_COVERAGE	if (this.size() == 0)
87	1 1. toString : replaced return value with "" for com/github/valid8j/metamor/Dataset$OnGoing$Impl::toString → NO_COVERAGE	return this.name() + ":(empty)";
88	1 1. toString : replaced return value with "" for com/github/valid8j/metamor/Dataset$OnGoing$Impl::toString → NO_COVERAGE	return this.name() + ":" + last();
89		}
90		}
91		}
92
93		interface Closed<E> extends Dataset<E> {
94		class Impl<E> extends Base<E> implements Closed<E> {
95		final List<E> content;
96
97		public Impl(String name, List<E> content) {
98		super(name);
99		this.content = unmodifiableList(content);
100		}
101
102		@Override
103		public E get(int i) {
104	1 1. get : replaced return value with null for com/github/valid8j/metamor/Dataset$Closed$Impl::get → KILLED	return this.content.get(i);
105		}
106
107		@Override
108		public int size() {
109	1 1. size : replaced int return with 0 for com/github/valid8j/metamor/Dataset$Closed$Impl::size → SURVIVED	return this.content.size();
110		}
111
112		@Override
113		public Iterator<E> iterator() {
114	1 1. iterator : replaced return value with null for com/github/valid8j/metamor/Dataset$Closed$Impl::iterator → KILLED	return this.content.iterator();
115		}
116
117		@Override
118		public String toString() {
119	1 1. toString : replaced return value with "" for com/github/valid8j/metamor/Dataset$Closed$Impl::toString → SURVIVED	return this.name() + ":" + this.content;
120		}
121		}
122		}
123		}
		Mutations
20		1.1 Location : last Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) Replaced integer subtraction with addition → KILLED 2.2 Location : last Killed by : none replaced return value with null for com/github/valid8j/metamor/Dataset::last → SURVIVED
24		1.1 Location : stream Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) replaced return value with Stream.empty for com/github/valid8j/metamor/Dataset::stream → KILLED
35		1.1 Location : name Killed by : none replaced return value with "" for com/github/valid8j/metamor/Dataset$Base::name → SURVIVED
54		1.1 Location : <init> Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) changed conditional boundary → KILLED 2.2 Location : <init> Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) negated conditional → KILLED
60		1.1 Location : get Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::get → KILLED
65		1.1 Location : size Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) replaced int return with 0 for com/github/valid8j/metamor/Dataset$OnGoing$Impl::size → KILLED
71		1.1 Location : add Killed by : none replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::add → SURVIVED
76		1.1 Location : close Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::close → KILLED
81		1.1 Location : iterator Killed by : none replaced return value with null for com/github/valid8j/metamor/Dataset$OnGoing$Impl::iterator → NO_COVERAGE
86		1.1 Location : toString Killed by : none negated conditional → NO_COVERAGE
87		1.1 Location : toString Killed by : none replaced return value with "" for com/github/valid8j/metamor/Dataset$OnGoing$Impl::toString → NO_COVERAGE
88		1.1 Location : toString Killed by : none replaced return value with "" for com/github/valid8j/metamor/Dataset$OnGoing$Impl::toString → NO_COVERAGE
104		1.1 Location : get Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) replaced return value with null for com/github/valid8j/metamor/Dataset$Closed$Impl::get → KILLED
109		1.1 Location : size Killed by : none replaced int return with 0 for com/github/valid8j/metamor/Dataset$Closed$Impl::size → SURVIVED
114		1.1 Location : iterator Killed by : com.github.valid8j.examples.test.ExamplesTest.testMetarmorExamplePassing(com.github.valid8j.examples.test.ExamplesTest) replaced return value with null for com/github/valid8j/metamor/Dataset$Closed$Impl::iterator → KILLED
119		1.1 Location : toString Killed by : none replaced return value with "" for com/github/valid8j/metamor/Dataset$Closed$Impl::toString → SURVIVED

Dataset.java

Mutations

Active mutators

Tests examined