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add flat

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Looly
2023-07-21 18:25:05 +08:00
parent 24361faace
commit ba32ec4305
3 changed files with 18 additions and 13 deletions
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16
hutool-core/src/test/java/org/dromara/hutool/core/collection/CollUtilTest.java
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@@ -8,7 +8,6 @@ import org.dromara.hutool.core.date.DateUtil;
import org.dromara.hutool.core.lang.Console;
import org.dromara.hutool.core.map.Dict;
import org.dromara.hutool.core.map.MapUtil;
import org.dromara.hutool.core.stream.EasyStream;
import org.dromara.hutool.core.text.StrUtil;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
@@ -1206,19 +1205,21 @@ public class CollUtilTest {
}
@SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
@Test
public void flatListTest1() {
List<List<List<String>>> list = Arrays.asList(Arrays.asList(Arrays.asList("1", "2", "3"), Arrays.asList("5", "6", "7")));
final List<List<List<String>>> list = Arrays.asList(Arrays.asList(Arrays.asList("1", "2", "3"), Arrays.asList("5", "6", "7")));
List<Object> objects = CollUtil.flat(list);
final List<Object> objects = CollUtil.flat(list);
Assertions.assertArrayEquals(new String[]{"1", "2", "3", "5", "6", "7"}, objects.toArray());
}
@SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
@Test
public void flatListTest2() {
List<List<List<String>>> list = Arrays.asList(
final List<List<List<String>>> list = Arrays.asList(
Arrays.asList(
Arrays.asList("a"),
Arrays.asList("b", "c"),
@@ -1229,15 +1230,16 @@ public class CollUtilTest {
Arrays.asList("j", "k", "l")
)
);
List<Object> flat = CollUtil.flat(list);
final List<Object> flat = CollUtil.flat(list);
Assertions.assertArrayEquals(new String[]{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l"}, flat.toArray());
}
@SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
@Test
void flatListTest3() {
List<List<List<String>>> list = Arrays.asList(
final List<List<List<String>>> list = Arrays.asList(
Arrays.asList(
Arrays.asList("a"),
Arrays.asList("b", "c", null),
@@ -1248,7 +1250,7 @@ public class CollUtilTest {
Arrays.asList("j", "k", "l")
)
);
List<Object> flat = CollUtil.flat(list, false);
final List<Object> flat = CollUtil.flat(list, false);
Assertions.assertArrayEquals(new String[]{"a", "b", "c", null, "d", "e", "f", "g", "h", "i", "j", "k", "l"}, flat.toArray());
}