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Simplify lambdas.

This commit is contained in:
Gary Gregory 2020-06-13 10:55:46 -04:00
parent 2f7a3a8118
commit 386c1e2f37
1 changed files with 8 additions and 10 deletions
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18
src/test/java/org/apache/commons/lang3/StreamsTest.java
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@ -46,7 +46,7 @@ class StreamsTest {
@Test
void testSimpleStreamMap() {
final List<String> input = Arrays.asList("1", "2", "3", "4", "5", "6");
final List<Integer> output = Functions.stream(input).map(s -> Integer.valueOf(s)).collect(Collectors.toList());
final List<Integer> output = Functions.stream(input).map(Integer::valueOf).collect(Collectors.toList());
assertEquals(6, output.size());
for (int i = 0; i < 6; i++) {
assertEquals(i+1, output.get(i).intValue());
@ -56,7 +56,7 @@ class StreamsTest {
@Test
void testSimpleStreamMapFailing() {
final List<String> input = Arrays.asList("1", "2", "3", "4 ", "5", "6");
final Executable testMethod = () -> Functions.stream(input).map(s -> Integer.valueOf(s)).collect(Collectors.toList());
final Executable testMethod = () -> Functions.stream(input).map(Integer::valueOf).collect(Collectors.toList());
final NumberFormatException thrown = assertThrows(NumberFormatException.class, testMethod);
assertEquals("For input string: \"4 \"", thrown.getMessage());
}
@ -130,10 +130,8 @@ class StreamsTest {
void testSimpleStreamFilter() {
final List<String> input = Arrays.asList("1", "2", "3", "4", "5", "6");
final List<Integer> output = Functions.stream(input)
.map(s -> Integer.valueOf(s))
.filter(i -> {
return i.intValue() %2 == 0;
})
.map(Integer::valueOf)
.filter(i -> (i.intValue() %2 == 0))
.collect(Collectors.toList());
assertEvenNumbers(output);
}
@ -160,7 +158,7 @@ class StreamsTest {
Stream<DynamicTest> simpleStreamFilterFailing() {
final List<String> input = Arrays.asList("1", "2", "3", "4", "5", "6");
final List<Integer> output = Functions.stream(input)
.map(s -> Integer.valueOf(s))
.map(Integer::valueOf)
.filter(asIntPredicate(null))
.collect(Collectors.toList());
assertEvenNumbers(output);
@ -170,7 +168,7 @@ class StreamsTest {
dynamicTest("IllegalArgumentException", () -> {
final IllegalArgumentException iae = new IllegalArgumentException("Invalid argument: " + 5);
final Executable testMethod = () -> Functions.stream(input)
.map(s -> Integer.valueOf(s))
.map(Integer::valueOf)
.filter(asIntPredicate(iae))
.collect(Collectors.toList());
final IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, testMethod);
@ -180,7 +178,7 @@ class StreamsTest {
dynamicTest("OutOfMemoryError", () -> {
final OutOfMemoryError oome = new OutOfMemoryError();
final Executable testMethod = () -> Functions.stream(input)
.map(s -> Integer.valueOf(s))
.map(Integer::valueOf)
.filter(asIntPredicate(oome))
.collect(Collectors.toList());
final OutOfMemoryError thrown = assertThrows(OutOfMemoryError.class, testMethod);
@ -190,7 +188,7 @@ class StreamsTest {
dynamicTest("SAXException", () -> {
final SAXException se = new SAXException();
final Executable testMethod = () -> Functions.stream(input)
.map(s -> Integer.valueOf(s))
.map(Integer::valueOf)
.filter(asIntPredicate(se))
.collect(Collectors.toList());
final UndeclaredThrowableException thrown = assertThrows(UndeclaredThrowableException.class, testMethod);