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add test

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This commit is contained in:
Looly 2019-10-27 08:13:24 +08:00
parent c891de1f17
commit 09b9e707b9
2 changed files with 19 additions and 42 deletions
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30
hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java
View File

@ -865,12 +865,9 @@ public class ArrayUtil {
* @since 3.2.2
*/
public static <T> T[] removeNull(T[] array) {
return filter(array, new Editor<T>() {
@Override
public T edit(T t) {
// 返回null便不加入集合
return t;
}
return filter(array, (Editor<T>) t -> {
// 返回null便不加入集合
return t;
});
}
@ -883,12 +880,7 @@ public class ArrayUtil {
* @since 3.2.2
*/
public static <T extends CharSequence> T[] removeEmpty(T[] array) {
return filter(array, new Filter<T>() {
@Override
public boolean accept(T t) {
return false == StrUtil.isEmpty(t);
}
});
return filter(array, (Filter<T>) t -> false == StrUtil.isEmpty(t));
}
/**
@ -900,12 +892,7 @@ public class ArrayUtil {
* @since 3.2.2
*/
public static <T extends CharSequence> T[] removeBlank(T[] array) {
return filter(array, new Filter<T>() {
@Override
public boolean accept(T t) {
return false == StrUtil.isBlank(t);
}
});
return filter(array, (Filter<T>) t -> false == StrUtil.isBlank(t));
}
/**
@ -916,12 +903,7 @@ public class ArrayUtil {
* @since 3.2.1
*/
public static String[] nullToEmpty(String[] array) {
return filter(array, new Editor<String>() {
@Override
public String edit(String t) {
return null == t ? StrUtil.EMPTY : t;
}
});
return filter(array, (Editor<String>) t -> null == t ? StrUtil.EMPTY : t);
}
/**

31
hutool-core/src/test/java/cn/hutool/core/util/ArrayUtilTest.java
View File

@ -23,6 +23,16 @@ public class ArrayUtilTest {
Assert.assertTrue(ArrayUtil.isEmpty(b));
Object c = null;
Assert.assertTrue(ArrayUtil.isEmpty(c));
Object d = new Object[]{"1", "2", 3, 4D};
boolean isEmpty = ArrayUtil.isEmpty(d);
Assert.assertFalse(isEmpty);
d = new Object[0];
isEmpty = ArrayUtil.isEmpty(d);
Assert.assertTrue(isEmpty);
d = null;
isEmpty = ArrayUtil.isEmpty(d);
Assert.assertTrue(isEmpty);
}
@Test
@ -51,36 +61,21 @@ public class ArrayUtilTest {
@Test
public void filterTest() {
Integer[] a = {1, 2, 3, 4, 5, 6};
Integer[] filter = ArrayUtil.filter(a, new Editor<Integer>() {
@Override
public Integer edit(Integer t) {
return (t % 2 == 0) ? t : null;
}
});
Integer[] filter = ArrayUtil.filter(a, (Editor<Integer>) t -> (t % 2 == 0) ? t : null);
Assert.assertArrayEquals(filter, new Integer[]{2, 4, 6});
}
@Test
public void filterTestForFilter() {
Integer[] a = {1, 2, 3, 4, 5, 6};
Integer[] filter = ArrayUtil.filter(a, new Filter<Integer>() {
@Override
public boolean accept(Integer t) {
return t % 2 == 0;
}
});
Integer[] filter = ArrayUtil.filter(a, (Filter<Integer>) t -> t % 2 == 0);
Assert.assertArrayEquals(filter, new Integer[]{2, 4, 6});
}
@Test
public void filterTestForEditor() {
Integer[] a = {1, 2, 3, 4, 5, 6};
Integer[] filter = ArrayUtil.filter(a, new Editor<Integer>() {
@Override
public Integer edit(Integer t) {
return (t % 2 == 0) ? t * 10 : t;
}
});
Integer[] filter = ArrayUtil.filter(a, (Editor<Integer>) t -> (t % 2 == 0) ? t * 10 : t);
Assert.assertArrayEquals(filter, new Integer[]{1, 20, 3, 40, 5, 60});
}