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处理了CollStreamUtil.toIdentityMap中，如果value为空时，发生NPE异常问题

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VampireAchao
2021-12-06 21:13:26 +08:00
committed by achao
parent a2331bf5c9
commit 1b28ba13e4
2 changed files with 7 additions and 1 deletions
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5
hutool-core/src/test/java/cn/hutool/core/collection/CollStreamUtilTest.java
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@@ -28,6 +28,11 @@ public class CollStreamUtilTest {
Assert.assertEquals(map.get(2L).getName(), "李四");
Assert.assertEquals(map.get(3L).getName(), "王五");
Assert.assertNull(map.get(4L));
// 测试value为空时
list.add(null);
map = CollStreamUtil.toIdentityMap(list, Student::getStudentId);
Assert.assertNull(map.get(4L));
}
@Test