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Extract statics getMax and getSecondMax

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This commit is contained in:
Oshgnacknak 2021-09-03 11:50:04 +02:00
parent 268361484d
commit 7b4f76f373
Signed by: Oshgnacknak
GPG key ID: 8CB7375654585956
2 changed files with 19 additions and 11 deletions
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12
test/aud/exam/prep/SequenceProcessorTest.java
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@ -239,10 +239,7 @@ public abstract class SequenceProcessorTest<S> {
void testThat_maxWorks(List<Integer> list) { void testThat_maxWorks(List<Integer> list) {
list.add(-1); list.add(-1);
S s = processor.create(list); S s = processor.create(list);
var max = list Integer max = Tests.getMax(list);
.stream()
.max(CMP)
.orElseThrow();
assertEquals(max, processor.max(s, CMP)); assertEquals(max, processor.max(s, CMP));
} }
@ -252,12 +249,7 @@ public abstract class SequenceProcessorTest<S> {
list.add(-1); list.add(-1);
list.add(-2); list.add(-2);
S s = processor.create(list); S s = processor.create(list);
var max = list Integer max = Tests.getSecondMax(list);
.stream()
.sorted(CMP.reversed())
.skip(1)
.findFirst()
.orElseThrow();
assertEquals(max, processor.secondMax(s, CMP)); assertEquals(max, processor.secondMax(s, CMP));
} }

16
test/aud/exam/prep/Tests.java
View file

@ -19,4 +19,20 @@ public class Tests {
.boxed() .boxed()
.collect(Collectors.toList()); .collect(Collectors.toList());
} }
public static Integer getMax(List<Integer> list) {
return list
.stream()
.max(CMP)
.orElseThrow();
}
public static Integer getSecondMax(List<Integer> list) {
return list
.stream()
.sorted(CMP.reversed())
.skip(1)
.findFirst()
.orElseThrow();
}
} }