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CompareUtilTest 添加 comparingIndexed 的测试方法

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duandazhi 2022-08-20 18:26:40 +08:00
parent 629507cbaf
commit 07a78f44b6
1 changed files with 25 additions and 0 deletions
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hutool-core/src/test/java/cn/hutool/core/comparator/CompareUtilTest.java
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@ -32,4 +32,29 @@ public class CompareUtilTest {
list.sort(CompareUtil.comparingPinyin(e -> e, true)); list.sort(CompareUtil.comparingPinyin(e -> e, true));
Assert.assertEquals(list, descendingOrderResult); Assert.assertEquals(list, descendingOrderResult);
} }
@Test
public void comparingIndexedTest() {
List<String> data = ListUtil.of("1", "2", "3", "4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
List<String> index = ListUtil.view("2", "1", "3", "4");
//错误，排序压根没有生效...
data.sort(CompareUtil.comparingIndexed(e -> e, index));
System.out.println(data);
//[1, 2, 3, 4, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
Assert.assertEquals(data, ListUtil.view("1", "2", "3", "4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"));
//正确排序，index.toArray()
data.sort(CompareUtil.comparingIndexed(e -> e, index.toArray()));
System.out.println(data);
//[5, 6, 7, 8, 9, 10, 2, 2, 1, 1, 3, 3, 4, 4]
Assert.assertEquals(data, ListUtil.view("5", "6", "7", "8", "9", "10", "2", "2", "1", "1", "3", "3", "4", "4"));
//正确排序，array
String[] indexArray = new String[] {"2", "1", "3", "4"};
data.sort(CompareUtil.comparingIndexed(e -> e, indexArray));
System.out.println(data);
//[5, 6, 7, 8, 9, 10, 2, 2, 1, 1, 3, 3, 4, 4]
Assert.assertEquals(data, ListUtil.view("5", "6", "7", "8", "9", "10", "2", "2", "1", "1", "3", "3", "4", "4"));
}
} }