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add test

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This commit is contained in:
Looly 2022-08-30 22:27:30 +08:00
parent 5febb65d7c
commit 87a1cec9ed
1 changed files with 14 additions and 5 deletions
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19
hutool-core/src/test/java/cn/hutool/core/collection/FilterIterTest.java
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@ -1,5 +1,6 @@
package cn.hutool.core.collection;
import org.junit.Assert;
import org.junit.Test;
import java.util.Iterator;
@ -15,17 +16,25 @@ public class FilterIterTest {
Iterator<String> it = ListUtil.of("1", "2").iterator();
// filter 为null
FilterIter<String> filterIter = new FilterIter<>(it, null);
while (filterIter.hasNext()) {
System.out.println(filterIter.next());
}
System.out.println();
int count = 0;
while (filterIter.hasNext()) {
if(filterIter.next() != null){
count++;
}
}
Assert.assertEquals(2, count);
it = ListUtil.of("1", "2").iterator();
// filter 不为空
filterIter = new FilterIter<>(it, (key) -> key.equals("1"));
count = 0;
while (filterIter.hasNext()) {
System.out.println(filterIter.next());
if(filterIter.next() != null){
count++;
}
}
Assert.assertEquals(1, count);
}
}