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CollectionTools#isNotEmpty 支持 guava 的 Table、Multimap、Multiset 和 RangeSet

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ZhouXY108
2025-02-14 16:57:45 +08:00
parent d217e8b9ac
commit e3ff5a2ab3
2 changed files with 108 additions and 5 deletions
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48
src/test/java/xyz/zhouxy/plusone/commons/collection/CollectionToolsTests.java
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@@ -34,14 +34,24 @@ import java.util.Set;
import org.junit.jupiter.api.Test;
import com.google.common.collect.HashBasedTable;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multiset;
import com.google.common.collect.Range;
import com.google.common.collect.RangeSet;
import com.google.common.collect.Sets;
import com.google.common.collect.Table;
import com.google.common.collect.TreeRangeSet;
public class CollectionToolsTests {
@Test
void testIsEmpty() {
// Collection
List<String> list = new ArrayList<>();
assertTrue(CollectionTools.isEmpty(list));
assertFalse(CollectionTools.isNotEmpty(list));
@@ -50,6 +60,7 @@ public class CollectionToolsTests {
assertFalse(CollectionTools.isEmpty(list));
assertTrue(CollectionTools.isNotEmpty(list));
// Map
Map<String, Integer> map = new HashMap<>();
assertTrue(CollectionTools.isEmpty(map));
assertFalse(CollectionTools.isNotEmpty(map));
@@ -57,6 +68,43 @@ public class CollectionToolsTests {
map.put("2", 2);
assertFalse(CollectionTools.isEmpty(map));
assertTrue(CollectionTools.isNotEmpty(map));
// Table
Table<String, String, Integer> table = HashBasedTable.create();
assertTrue(CollectionTools.isEmpty(table));
assertFalse(CollectionTools.isNotEmpty(table));
table.put("ABC", "d", 4);
assertFalse(CollectionTools.isEmpty(table));
assertTrue(CollectionTools.isNotEmpty(table));
// Multimap
Multimap<String, String> multimap = HashMultimap.create();
assertTrue(CollectionTools.isEmpty(multimap));
assertFalse(CollectionTools.isNotEmpty(multimap));
multimap.put("ABC", "d");
assertFalse(CollectionTools.isEmpty(multimap));
assertTrue(CollectionTools.isNotEmpty(multimap));
// Multiset
Multiset<String> multiset = HashMultiset.create();
assertTrue(CollectionTools.isEmpty(multiset));
assertFalse(CollectionTools.isNotEmpty(multiset));
multiset.add("ABC");
assertFalse(CollectionTools.isEmpty(multiset));
assertTrue(CollectionTools.isNotEmpty(multiset));
// RangeSet
RangeSet<Integer> rangeSet = TreeRangeSet.create();
assertTrue(CollectionTools.isEmpty(rangeSet));
assertFalse(CollectionTools.isNotEmpty(rangeSet));
rangeSet.add(Range.closed(0, 100));
rangeSet.add(Range.openClosed(100, 200));
assertFalse(CollectionTools.isEmpty(rangeSet));
assertTrue(CollectionTools.isNotEmpty(rangeSet));
}
@Test