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修改FastStream名称为EasyStream;

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emptypoint
2022-08-19 20:06:56 +08:00
parent 0842ff0f50
commit 18fff4ea87
2 changed files with 171 additions and 171 deletions
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172
hutool-core/src/test/java/cn/hutool/core/stream/FastStreamTest.java → hutool-core/src/test/java/cn/hutool/core/stream/EasyStreamTest.java
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@@ -15,57 +15,57 @@ import static java.util.Collections.singletonList;
/**
* @author VampireAchao
*/
public class FastStreamTest {
public class EasyStreamTest {
@Test
public void testBuilder() {
List<Integer> list = FastStream.<Integer>builder().add(1).add(2).add(3).build().toList();
List<Integer> list = EasyStream.<Integer>builder().add(1).add(2).add(3).build().toList();
Assert.assertEquals(Arrays.asList(1, 2, 3), list);
}
@Test
public void testGenerate() {
List<Integer> list = FastStream.generate(() -> 0).limit(3).toList();
List<Integer> list = EasyStream.generate(() -> 0).limit(3).toList();
Assert.assertEquals(Arrays.asList(0, 0, 0), list);
}
@Test
public void testOf() {
Assert.assertEquals(3, FastStream.of(Arrays.asList(1, 2, 3), true).count());
Assert.assertEquals(3, FastStream.of(1, 2, 3).count());
Assert.assertEquals(3, FastStream.of(Stream.builder().add(1).add(2).add(3).build()).count());
Assert.assertEquals(3, EasyStream.of(Arrays.asList(1, 2, 3), true).count());
Assert.assertEquals(3, EasyStream.of(1, 2, 3).count());
Assert.assertEquals(3, EasyStream.of(Stream.builder().add(1).add(2).add(3).build()).count());
}
@Test
public void testSplit() {
List<Integer> list = FastStream.split("1,2,3", ",").map(Integer::valueOf).toList();
List<Integer> list = EasyStream.split("1,2,3", ",").map(Integer::valueOf).toList();
Assert.assertEquals(Arrays.asList(1, 2, 3), list);
}
@Test
public void testIterator() {
List<Integer> list = FastStream.iterate(0, i -> i < 3, i -> ++i).toList();
List<Integer> list = EasyStream.iterate(0, i -> i < 3, i -> ++i).toList();
Assert.assertEquals(Arrays.asList(0, 1, 2), list);
}
@Test
public void testToCollection() {
List<Integer> list = Arrays.asList(1, 2, 3);
List<String> toCollection = FastStream.of(list).map(String::valueOf).toColl(LinkedList::new);
List<String> toCollection = EasyStream.of(list).map(String::valueOf).toColl(LinkedList::new);
Assert.assertEquals(Arrays.asList("1", "2", "3"), toCollection);
}
@Test
public void testToList() {
List<Integer> list = Arrays.asList(1, 2, 3);
List<String> toList = FastStream.of(list).map(String::valueOf).toList();
List<String> toList = EasyStream.of(list).map(String::valueOf).toList();
Assert.assertEquals(Arrays.asList("1", "2", "3"), toList);
}
@Test
public void testToSet() {
List<Integer> list = Arrays.asList(1, 2, 3);
Set<String> toSet = FastStream.of(list).map(String::valueOf).toSet();
Set<String> toSet = EasyStream.of(list).map(String::valueOf).toSet();
Assert.assertEquals(new HashSet<>(Arrays.asList("1", "2", "3")), toSet);
}
@@ -79,26 +79,26 @@ public class FastStreamTest {
.put(3, "sweet")
.build();
Map<Integer, String> toZip = FastStream.of(orders).toZip(list);
Map<Integer, String> toZip = EasyStream.of(orders).toZip(list);
Assert.assertEquals(map, toZip);
Map<Integer, String> toZipParallel = FastStream.of(orders).parallel().nonNull().toZip(list);
Map<Integer, String> toZipParallel = EasyStream.of(orders).parallel().nonNull().toZip(list);
Assert.assertEquals(map, toZipParallel);
}
@Test
public void testJoin() {
List<Integer> list = Arrays.asList(1, 2, 3);
String joining = FastStream.of(list).join();
String joining = EasyStream.of(list).join();
Assert.assertEquals("123", joining);
Assert.assertEquals("1,2,3", FastStream.of(list).join(","));
Assert.assertEquals("(1,2,3)", FastStream.of(list).join(",", "(", ")"));
Assert.assertEquals("1,2,3", EasyStream.of(list).join(","));
Assert.assertEquals("(1,2,3)", EasyStream.of(list).join(",", "(", ")"));
}
@Test
public void testToMap() {
List<Integer> list = Arrays.asList(1, 2, 3);
Map<String, Integer> identityMap = FastStream.of(list).toMap(String::valueOf);
Map<String, Integer> identityMap = EasyStream.of(list).toMap(String::valueOf);
Assert.assertEquals(new HashMap<String, Integer>() {
private static final long serialVersionUID = 1L;
@@ -113,7 +113,7 @@ public class FastStreamTest {
@Test
public void testGroup() {
List<Integer> list = Arrays.asList(1, 2, 3);
Map<String, List<Integer>> group = FastStream.of(list).group(String::valueOf);
Map<String, List<Integer>> group = EasyStream.of(list).group(String::valueOf);
Assert.assertEquals(
new HashMap<String, List<Integer>>() {
private static final long serialVersionUID = 1L;
@@ -129,16 +129,16 @@ public class FastStreamTest {
@Test
public void testMapIdx() {
List<String> list = Arrays.asList("dromara", "hutool", "sweet");
List<String> mapIndex = FastStream.of(list).mapIdx((e, i) -> i + 1 + "." + e).toList();
List<String> mapIndex = EasyStream.of(list).mapIdx((e, i) -> i + 1 + "." + e).toList();
Assert.assertEquals(Arrays.asList("1.dromara", "2.hutool", "3.sweet"), mapIndex);
// 并行流时为-1
Assert.assertEquals(Arrays.asList(-1, -1, -1), FastStream.of(1, 2, 3).parallel().mapIdx((e, i) -> i).toList());
Assert.assertEquals(Arrays.asList(-1, -1, -1), EasyStream.of(1, 2, 3).parallel().mapIdx((e, i) -> i).toList());
}
@Test
public void testMapMulti() {
List<Integer> list = Arrays.asList(1, 2, 3);
List<Integer> mapMulti = FastStream.of(list).<Integer>mapMulti((e, buffer) -> {
List<Integer> mapMulti = EasyStream.of(list).<Integer>mapMulti((e, buffer) -> {
for (int i = 0; i < e; i++) {
buffer.accept(e);
}
@@ -149,7 +149,7 @@ public class FastStreamTest {
@Test
public void testMapNonNull() {
List<Integer> list = Arrays.asList(1, 2, 3, null);
List<String> mapNonNull = FastStream.of(list).mapNonNull(String::valueOf).toList();
List<String> mapNonNull = EasyStream.of(list).mapNonNull(String::valueOf).toList();
Assert.assertEquals(Arrays.asList("1", "2", "3"), mapNonNull);
}
@@ -164,8 +164,8 @@ public class FastStreamTest {
List<Integer> collect2 = list.stream().parallel().distinct().collect(Collectors.toList());
// 使用FastStream去重
List<Integer> distinctBy1 = FastStream.of(list).distinct().toList();
List<Integer> distinctBy2 = FastStream.of(list).parallel().distinct(String::valueOf).toList();
List<Integer> distinctBy1 = EasyStream.of(list).distinct().toList();
List<Integer> distinctBy2 = EasyStream.of(list).parallel().distinct(String::valueOf).toList();
Assert.assertEquals(collect1, distinctBy1);
Assert.assertEquals(collect2, distinctBy2);
@@ -174,22 +174,22 @@ public class FastStreamTest {
@Test
public void testForeachIdx() {
List<String> list = Arrays.asList("dromara", "hutool", "sweet");
FastStream.FastStreamBuilder<String> builder = FastStream.builder();
FastStream.of(list).forEachIdx((e, i) -> builder.accept(i + 1 + "." + e));
EasyStream.FastStreamBuilder<String> builder = EasyStream.builder();
EasyStream.of(list).forEachIdx((e, i) -> builder.accept(i + 1 + "." + e));
Assert.assertEquals(Arrays.asList("1.dromara", "2.hutool", "3.sweet"), builder.build().toList());
// 并行流时为-1
FastStream.of(1, 2, 3).parallel().forEachIdx((e, i) -> Assert.assertEquals(-1, (Object) i));
EasyStream.of(1, 2, 3).parallel().forEachIdx((e, i) -> Assert.assertEquals(-1, (Object) i));
}
@Test
public void testForEachOrderedIdx() {
List<String> list = Arrays.asList("dromara", "hutool", "sweet");
FastStream.FastStreamBuilder<String> builder = FastStream.builder();
FastStream.of(list).forEachOrderedIdx((e, i) -> builder.accept(i + 1 + "." + e));
EasyStream.FastStreamBuilder<String> builder = EasyStream.builder();
EasyStream.of(list).forEachOrderedIdx((e, i) -> builder.accept(i + 1 + "." + e));
Assert.assertEquals(Arrays.asList("1.dromara", "2.hutool", "3.sweet"), builder.build().toList());
FastStream.FastStreamBuilder<String> streamBuilder = FastStream.builder();
FastStream.of(list).parallel().forEachOrderedIdx((e, i) -> streamBuilder.accept(i + 1 + "." + e));
EasyStream.FastStreamBuilder<String> streamBuilder = EasyStream.builder();
EasyStream.of(list).parallel().forEachOrderedIdx((e, i) -> streamBuilder.accept(i + 1 + "." + e));
Assert.assertEquals(Arrays.asList("0.dromara", "0.hutool", "0.sweet"), streamBuilder.build().toList());
}
@@ -197,10 +197,10 @@ public class FastStreamTest {
@Test
public void testFlatMapIdx() {
List<String> list = Arrays.asList("dromara", "hutool", "sweet");
List<String> mapIndex = FastStream.of(list).flatMapIdx((e, i) -> FastStream.of(i + 1 + "." + e)).toList();
List<String> mapIndex = EasyStream.of(list).flatMapIdx((e, i) -> EasyStream.of(i + 1 + "." + e)).toList();
Assert.assertEquals(Arrays.asList("1.dromara", "2.hutool", "3.sweet"), mapIndex);
// 并行流时为-1
Assert.assertEquals(Arrays.asList(-1, -1, -1), FastStream.of(1, 2, 3).parallel().flatMapIdx((e, i) -> FastStream.of(i)).toList());
Assert.assertEquals(Arrays.asList(-1, -1, -1), EasyStream.of(1, 2, 3).parallel().flatMapIdx((e, i) -> EasyStream.of(i)).toList());
}
@Test
@@ -208,172 +208,172 @@ public class FastStreamTest {
List<Integer> list = Arrays.asList(1, 2, 3);
// 一个元素 扩散为 多个元素(迭代器)
List<Integer> flat = FastStream.of(list).flat(e -> Arrays.asList(e, e * 10)).toList();
List<Integer> flat = EasyStream.of(list).flat(e -> Arrays.asList(e, e * 10)).toList();
Assert.assertEquals(ListUtil.of(1, 10, 2, 20, 3, 30), flat);
// 过滤迭代器为null的元素
flat = FastStream.of(list).<Integer>flat(e -> null).toList();
flat = EasyStream.of(list).<Integer>flat(e -> null).toList();
Assert.assertEquals(Collections.emptyList(), flat);
// 自动过滤null元素
flat = FastStream.of(list).flat(e -> Arrays.asList(e, e > 2 ? e : null)).toList();
flat = EasyStream.of(list).flat(e -> Arrays.asList(e, e > 2 ? e : null)).toList();
Assert.assertEquals(ListUtil.of(1, null, 2, null, 3, 3), flat);
// 不报npe测试
Assert.assertTrue(FastStream.of(list).flat(e -> null).isEmpty());
Assert.assertTrue(EasyStream.of(list).flat(e -> null).isEmpty());
}
@Test
public void testFilter() {
List<Integer> list = Arrays.asList(1, 2, 3);
List<Integer> filterIndex = FastStream.of(list).filter(String::valueOf, "1").toList();
List<Integer> filterIndex = EasyStream.of(list).filter(String::valueOf, "1").toList();
Assert.assertEquals(Collections.singletonList(1), filterIndex);
}
@Test
public void testFilterIdx() {
List<String> list = Arrays.asList("dromara", "hutool", "sweet");
List<String> filterIndex = FastStream.of(list).filterIdx((e, i) -> i < 2).toList();
List<String> filterIndex = EasyStream.of(list).filterIdx((e, i) -> i < 2).toList();
Assert.assertEquals(Arrays.asList("dromara", "hutool"), filterIndex);
// 并行流时为-1
Assert.assertEquals(3L, FastStream.of(1, 2, 3).parallel().filterIdx((e, i) -> i == -1).count());
Assert.assertEquals(3L, EasyStream.of(1, 2, 3).parallel().filterIdx((e, i) -> i == -1).count());
}
@Test
public void testNonNull() {
List<Integer> list = Arrays.asList(1, null, 2, 3);
List<Integer> nonNull = FastStream.of(list).nonNull().toList();
List<Integer> nonNull = EasyStream.of(list).nonNull().toList();
Assert.assertEquals(Arrays.asList(1, 2, 3), nonNull);
}
@Test
public void testParallel() {
Assert.assertTrue(FastStream.of(1, 2, 3).parallel(true).isParallel());
Assert.assertFalse(FastStream.of(1, 2, 3).parallel(false).isParallel());
Assert.assertTrue(EasyStream.of(1, 2, 3).parallel(true).isParallel());
Assert.assertFalse(EasyStream.of(1, 2, 3).parallel(false).isParallel());
}
@Test
public void testPush() {
List<Integer> list = Arrays.asList(1, 2);
List<Integer> push = FastStream.of(list).push(3).toList();
List<Integer> push = EasyStream.of(list).push(3).toList();
Assert.assertEquals(Arrays.asList(1, 2, 3), push);
Assert.assertEquals(Arrays.asList(1, 2, 3, 4), FastStream.of(list).push(3, 4).toList());
Assert.assertEquals(Arrays.asList(1, 2, 3, 4), EasyStream.of(list).push(3, 4).toList());
}
@Test
public void testUnshift() {
List<Integer> list = Arrays.asList(2, 3);
List<Integer> unshift = FastStream.of(list).unshift(1).toList();
List<Integer> unshift = EasyStream.of(list).unshift(1).toList();
Assert.assertEquals(Arrays.asList(1, 2, 3), unshift);
Assert.assertEquals(Arrays.asList(1, 2, 2, 3), FastStream.of(list).unshift(1, 2).toList());
Assert.assertEquals(Arrays.asList(1, 2, 2, 3), EasyStream.of(list).unshift(1, 2).toList());
}
@Test
public void testAt() {
List<Integer> list = Arrays.asList(1, 2, 3);
Assert.assertEquals(1, (Object) FastStream.of(list).at(0).orElse(null));
Assert.assertEquals(2, (Object) FastStream.of(list).at(1).orElse(null));
Assert.assertEquals(3, (Object) FastStream.of(list).at(2).orElse(null));
Assert.assertEquals(1, (Object) FastStream.of(list).at(-3).orElse(null));
Assert.assertEquals(3, (Object) FastStream.of(list).at(-1).orElse(null));
Assert.assertNull(FastStream.of(list).at(-4).orElse(null));
Assert.assertEquals(1, (Object) EasyStream.of(list).at(0).orElse(null));
Assert.assertEquals(2, (Object) EasyStream.of(list).at(1).orElse(null));
Assert.assertEquals(3, (Object) EasyStream.of(list).at(2).orElse(null));
Assert.assertEquals(1, (Object) EasyStream.of(list).at(-3).orElse(null));
Assert.assertEquals(3, (Object) EasyStream.of(list).at(-1).orElse(null));
Assert.assertNull(EasyStream.of(list).at(-4).orElse(null));
}
@Test
public void testSplice() {
List<Integer> list = Arrays.asList(1, 2, 3);
Assert.assertEquals(Arrays.asList(1, 2, 2, 3), FastStream.of(list).splice(1, 0, 2).toList());
Assert.assertEquals(Arrays.asList(1, 2, 3, 3), FastStream.of(list).splice(3, 1, 3).toList());
Assert.assertEquals(Arrays.asList(1, 2, 4), FastStream.of(list).splice(2, 1, 4).toList());
Assert.assertEquals(Arrays.asList(1, 2), FastStream.of(list).splice(2, 1).toList());
Assert.assertEquals(Arrays.asList(1, 2, 3), FastStream.of(list).splice(2, 0).toList());
Assert.assertEquals(Arrays.asList(1, 2), FastStream.of(list).splice(-1, 1).toList());
Assert.assertEquals(Arrays.asList(1, 2, 3), FastStream.of(list).splice(-2, 2, 2, 3).toList());
Assert.assertEquals(Arrays.asList(1, 2, 2, 3), EasyStream.of(list).splice(1, 0, 2).toList());
Assert.assertEquals(Arrays.asList(1, 2, 3, 3), EasyStream.of(list).splice(3, 1, 3).toList());
Assert.assertEquals(Arrays.asList(1, 2, 4), EasyStream.of(list).splice(2, 1, 4).toList());
Assert.assertEquals(Arrays.asList(1, 2), EasyStream.of(list).splice(2, 1).toList());
Assert.assertEquals(Arrays.asList(1, 2, 3), EasyStream.of(list).splice(2, 0).toList());
Assert.assertEquals(Arrays.asList(1, 2), EasyStream.of(list).splice(-1, 1).toList());
Assert.assertEquals(Arrays.asList(1, 2, 3), EasyStream.of(list).splice(-2, 2, 2, 3).toList());
}
@Test
public void testFindFirst() {
List<Integer> list = Arrays.asList(1, 2, 3);
Integer find = FastStream.of(list).findFirst(Objects::nonNull).orElse(null);
Integer find = EasyStream.of(list).findFirst(Objects::nonNull).orElse(null);
Assert.assertEquals(1, (Object) find);
}
@Test
public void testFindFirstIdx() {
List<Integer> list = Arrays.asList(null, 2, 3);
Assert.assertEquals(1, FastStream.of(list).findFirstIdx(Objects::nonNull));
Assert.assertEquals(-1, (Object) FastStream.of(list).parallel().findFirstIdx(Objects::nonNull));
Assert.assertEquals(1, EasyStream.of(list).findFirstIdx(Objects::nonNull));
Assert.assertEquals(-1, (Object) EasyStream.of(list).parallel().findFirstIdx(Objects::nonNull));
}
@Test
public void testFindLast() {
List<Integer> list = ListUtil.of(1, 2, 4, 5, 6, 7, 8, 9, 10, 3);
Assert.assertEquals(3, (Object) FastStream.of(list).findLast().orElse(null));
Assert.assertEquals(3, (Object) FastStream.of(list).parallel().findLast().orElse(null));
Assert.assertEquals(3, (Object) EasyStream.of(list).findLast().orElse(null));
Assert.assertEquals(3, (Object) EasyStream.of(list).parallel().findLast().orElse(null));
List<Integer> list2 = ListUtil.of(1, 2, 4, 5, 6, 7, 8, 9, 10, 3, null);
Assert.assertEquals(3, (Object) FastStream.of(list2).parallel().findLast(Objects::nonNull).orElse(null));
Assert.assertEquals(3, (Object) EasyStream.of(list2).parallel().findLast(Objects::nonNull).orElse(null));
Assert.assertNull(FastStream.of().parallel().findLast(Objects::nonNull).orElse(null));
Assert.assertNull(FastStream.of((Object) null).parallel().findLast(Objects::nonNull).orElse(null));
Assert.assertNull(EasyStream.of().parallel().findLast(Objects::nonNull).orElse(null));
Assert.assertNull(EasyStream.of((Object) null).parallel().findLast(Objects::nonNull).orElse(null));
}
@Test
public void testFindLastIdx() {
List<Integer> list = Arrays.asList(1, null, 3);
Assert.assertEquals(2, (Object) FastStream.of(list).findLastIdx(Objects::nonNull));
Assert.assertEquals(-1, (Object) FastStream.of(list).parallel().findLastIdx(Objects::nonNull));
Assert.assertEquals(2, (Object) EasyStream.of(list).findLastIdx(Objects::nonNull));
Assert.assertEquals(-1, (Object) EasyStream.of(list).parallel().findLastIdx(Objects::nonNull));
}
@Test
public void testReverse() {
final List<Integer> list = ListUtil.of(Stream.iterate(1, i -> i + 1).limit(1000).collect(Collectors.toList()));
Assert.assertEquals(ListUtil.reverseNew(list), FastStream.of(list).reverse().toList());
Assert.assertEquals(ListUtil.empty(), FastStream.of().reverse().toList());
Assert.assertEquals(ListUtil.of((Object) null), FastStream.of((Object) null).reverse().toList());
Assert.assertEquals(ListUtil.reverseNew(list), EasyStream.of(list).reverse().toList());
Assert.assertEquals(ListUtil.empty(), EasyStream.of().reverse().toList());
Assert.assertEquals(ListUtil.of((Object) null), EasyStream.of((Object) null).reverse().toList());
}
@Test
public void testZip() {
List<Integer> orders = Arrays.asList(1, 2, 3);
List<String> list = Arrays.asList("dromara", "hutool", "sweet");
List<String> zip = FastStream.of(orders).zip(list, (e1, e2) -> e1 + "." + e2).toList();
List<String> zip = EasyStream.of(orders).zip(list, (e1, e2) -> e1 + "." + e2).toList();
Assert.assertEquals(Arrays.asList("1.dromara", "2.hutool", "3.sweet"), zip);
zip = FastStream.iterate(1, i -> i + 1).zip(list, (e1, e2) -> e1 + "." + e2).toList();
zip = EasyStream.iterate(1, i -> i + 1).zip(list, (e1, e2) -> e1 + "." + e2).toList();
Assert.assertEquals(Arrays.asList("1.dromara", "2.hutool", "3.sweet"), zip);
}
@Test
public void testListSplit() {
List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);
List<List<Integer>> lists = FastStream.of(list).split(2).map(FastStream::toList).toList();
List<List<Integer>> lists = EasyStream.of(list).split(2).map(EasyStream::toList).toList();
Assert.assertEquals(ListUtil.split(list, 2), lists);
// 指定长度 大于等于 列表长度
lists = FastStream.of(list).split(list.size()).map(FastStream::toList).toList();
lists = EasyStream.of(list).split(list.size()).map(EasyStream::toList).toList();
Assert.assertEquals(singletonList(list), lists);
}
@Test
public void testSplitList() {
List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);
List<List<Integer>> lists = FastStream.of(list).splitList(2).toList();
List<List<Integer>> lists = EasyStream.of(list).splitList(2).toList();
Assert.assertEquals(ListUtil.split(list, 2), lists);
// 指定长度 大于等于 列表长度
lists = FastStream.of(list).splitList(list.size()).toList();
lists = EasyStream.of(list).splitList(list.size()).toList();
Assert.assertEquals(singletonList(list), lists);
}
@Test
public void testTakeWhile() {
// 1 到 10
final List<Integer> list = FastStream.iterate(1, i -> i <= 10, i -> i + 1).toList();
final List<Integer> list = EasyStream.iterate(1, i -> i <= 10, i -> i + 1).toList();
final List<String> res1 = FastStream.of(list)
final List<String> res1 = EasyStream.of(list)
// 舍弃 5
.takeWhile(e -> e < 5)
// 过滤奇数
@@ -384,7 +384,7 @@ public class FastStreamTest {
.toList();
Assert.assertEquals(Arrays.asList("4", "2"), res1);
final List<Integer> res2 = FastStream.iterate(1, i -> i + 1)
final List<Integer> res2 = EasyStream.iterate(1, i -> i + 1)
.parallel()
.takeWhile(e -> e < 5)
.map(String::valueOf)
@@ -397,9 +397,9 @@ public class FastStreamTest {
@Test
public void testDropWhile() {
// 1 到 10
final List<Integer> list = FastStream.iterate(1, i -> i <= 10, i -> i + 1).toList();
final List<Integer> list = EasyStream.iterate(1, i -> i <= 10, i -> i + 1).toList();
final List<String> res1 = FastStream.of(list)
final List<String> res1 = EasyStream.of(list)
// 舍弃 5之前的数字
.dropWhile(e -> e < 5)
// 过滤偶数
@@ -410,7 +410,7 @@ public class FastStreamTest {
.toList();
Assert.assertEquals(Arrays.asList("9", "7", "5"), res1);
final List<Integer> res2 = FastStream.of(list)
final List<Integer> res2 = EasyStream.of(list)
.parallel()
.dropWhile(e -> e < 5)
// 过滤偶数
@@ -424,7 +424,7 @@ public class FastStreamTest {
@Test
public void testIsNotEmpty() {
Assert.assertTrue(FastStream.of(1).isNotEmpty());
Assert.assertTrue(EasyStream.of(1).isNotEmpty());
}
}