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package com.pivovarit.gatherers; |
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import java.util.Objects; |
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4
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import java.util.concurrent.atomic.AtomicLong; |
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import java.util.function.BiPredicate; |
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import java.util.function.Supplier; |
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import java.util.stream.Gatherer; |
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record FilterByIndexGatherer<T>(BiPredicate<Long, ? super T> predicate) implements Gatherer<T, AtomicLong, T> { |
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FilterByIndexGatherer { |
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Objects.requireNonNull(predicate); |
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} |
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@Override |
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public Supplier<AtomicLong> initializer() { |
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1
1. initializer : replaced return value with null for com/pivovarit/gatherers/FilterByIndexGatherer::initializer → KILLED
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return AtomicLong::new; |
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} |
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@Override |
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public Integrator<AtomicLong, T, T> integrator() { |
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4
1. lambda$integrator$0 : negated conditional → SURVIVED
2. lambda$integrator$0 : replaced boolean return with true for com/pivovarit/gatherers/FilterByIndexGatherer::lambda$integrator$0 → SURVIVED
3. lambda$integrator$0 : negated conditional → KILLED
4. integrator : replaced return value with null for com/pivovarit/gatherers/FilterByIndexGatherer::integrator → KILLED
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return Integrator.ofGreedy((seq, t, downstream) -> predicate.test(seq.getAndIncrement(), t) && downstream.push(t)); |
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} |
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} |
| | Mutations |
| 17 |
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1.1
Location : initializer
Killed by : com.pivovarit.gatherers.blackbox.ByIndexTest.[engine:junit-jupiter]/[class:com.pivovarit.gatherers.blackbox.ByIndexTest]/[method:shouldFilterByIndexEmptyStream()] replaced return value with null for com/pivovarit/gatherers/FilterByIndexGatherer::initializer → KILLED
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| 22 |
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1.1
Location : lambda$integrator$0
Killed by : none negated conditional → SURVIVED
Covering tests
Covered by tests:
- com.pivovarit.gatherers.blackbox.ByIndexTest.[engine:junit-jupiter]/[class:com.pivovarit.gatherers.blackbox.ByIndexTest]/[method:shouldFilterByIndex()]
2.2
Location : lambda$integrator$0
Killed by : none replaced boolean return with true for com/pivovarit/gatherers/FilterByIndexGatherer::lambda$integrator$0 → SURVIVED
Covering tests
Covered by tests:
- com.pivovarit.gatherers.blackbox.ByIndexTest.[engine:junit-jupiter]/[class:com.pivovarit.gatherers.blackbox.ByIndexTest]/[method:shouldFilterByIndex()]
3.3
Location : lambda$integrator$0
Killed by : com.pivovarit.gatherers.blackbox.ByIndexTest.[engine:junit-jupiter]/[class:com.pivovarit.gatherers.blackbox.ByIndexTest]/[method:shouldFilterByIndex()] negated conditional → KILLED
4.4
Location : integrator
Killed by : com.pivovarit.gatherers.blackbox.ByIndexTest.[engine:junit-jupiter]/[class:com.pivovarit.gatherers.blackbox.ByIndexTest]/[method:shouldFilterByIndex()] replaced return value with null for com/pivovarit/gatherers/FilterByIndexGatherer::integrator → KILLED
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