add methods

hutool-core/src/test/java/cn/hutool/core/collection/CollUtilTest.java

@@ -925,4 +925,53 @@ public class CollUtilTest {
 		final Collection<String> trans = CollUtil.trans(people, Person::getName);
 		Assert.assertEquals("[aa, bb, cc, dd]", trans.toString());
 	}
+
+	@Test
+	public void unionNullTest() {
+		final List<String> list1 = new ArrayList<>();
+		final List<String> list2 = null;
+		final List<String> list3 = null;
+		final Collection<String> union = CollUtil.union(list1, list2, list3);
+		Assert.assertNotNull(union);
+	}
+
+	@Test
+	public void unionDistinctNullTest() {
+		final List<String> list1 = new ArrayList<>();
+		final List<String> list2 = null;
+		final List<String> list3 = null;
+		final Set<String> set = CollUtil.unionDistinct(list1, list2, list3);
+		Assert.assertNotNull(set);
+	}
+
+	@Test
+	public void unionAllNullTest() {
+		final List<String> list1 = new ArrayList<>();
+		final List<String> list2 = null;
+		final List<String> list3 = null;
+		final List<String> list = CollUtil.unionAll(list1, list2, list3);
+		Assert.assertNotNull(list);
+	}
+
+	@Test
+	public void intersectionNullTest() {
+		final List<String> list1 = new ArrayList<>();
+		list1.add("aa");
+		final List<String> list2 = new ArrayList<>();
+		list2.add("aa");
+		final List<String> list3 = null;
+		final Collection<String> collection = CollUtil.intersection(list1, list2, list3);
+		Assert.assertNotNull(collection);
+	}
+
+	@Test
+	public void intersectionDistinctNullTest() {
+		final List<String> list1 = new ArrayList<>();
+		list1.add("aa");
+		final List<String> list2 = null;
+		// list2.add("aa");
+		final List<String> list3 = null;
+		final Collection<String> collection = CollUtil.intersectionDistinct(list1, list2, list3);
+		Assert.assertNotNull(collection);
+	}
 }

hutool-core/src/test/java/cn/hutool/core/convert/NumberChineseFormatterTest.java

@@ -342,4 +342,27 @@ public class NumberChineseFormatterTest {
 		format = NumberChineseFormatter.format(1.02, false, false);
 		Assert.assertEquals("一点零二", format);
 	}
+
+	@SuppressWarnings("ConstantConditions")
+	@Test
+	public void testChineseMoneyToNumber(){
+		/*
+		 * s=陆万柒仟伍佰伍拾陆圆, n=67556
+		 * s=陆万柒仟伍佰伍拾陆元, n=67556
+		 * s=叁角, n=0.3
+		 * s=贰分, n=0.02
+		 * s=陆万柒仟伍佰伍拾陆元叁角, n=67556.3
+		 * s=陆万柒仟伍佰伍拾陆元贰分, n=67556.02
+		 * s=叁角贰分, n=0.32
+		 * s=陆万柒仟伍佰伍拾陆元叁角贰分, n=67556.32
+		 */
+		Assert.assertEquals(67556, NumberChineseFormatter.chineseMoneyToNumber("陆万柒仟伍佰伍拾陆圆").longValue());
+		Assert.assertEquals(67556, NumberChineseFormatter.chineseMoneyToNumber("陆万柒仟伍佰伍拾陆元").longValue());
+		Assert.assertEquals(0.3D, NumberChineseFormatter.chineseMoneyToNumber("叁角").doubleValue(), 2);
+		Assert.assertEquals(0.02, NumberChineseFormatter.chineseMoneyToNumber("贰分").doubleValue(), 2);
+		Assert.assertEquals(67556.3, NumberChineseFormatter.chineseMoneyToNumber("陆万柒仟伍佰伍拾陆元叁角").doubleValue(), 2);
+		Assert.assertEquals(67556.02, NumberChineseFormatter.chineseMoneyToNumber("陆万柒仟伍佰伍拾陆元贰分").doubleValue(), 2);
+		Assert.assertEquals(0.32, NumberChineseFormatter.chineseMoneyToNumber("叁角贰分").doubleValue(), 2);
+		Assert.assertEquals(67556.32, NumberChineseFormatter.chineseMoneyToNumber("陆万柒仟伍佰伍拾陆元叁角贰分").doubleValue(), 2);
+	}
 }

hutool-core/src/test/java/cn/hutool/core/text/StrCheckerTest.java

@@ -0,0 +1,43 @@
+package cn.hutool.core.text;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class StrCheckerTest {
+
+	@Test
+	public void isEmptyTest() {
+		Assert.assertTrue(StrUtil.isEmpty(null));
+		Assert.assertTrue(StrUtil.isEmpty(""));
+
+		Assert.assertFalse(StrUtil.isEmpty(" \t\n"));
+		Assert.assertFalse(StrUtil.isEmpty("abc"));
+	}
+
+	@Test
+	public void isNotEmptyTest() {
+		Assert.assertFalse(StrUtil.isNotEmpty(null));
+		Assert.assertFalse(StrUtil.isNotEmpty(""));
+
+		Assert.assertTrue(StrUtil.isNotEmpty(" \t\n"));
+		Assert.assertTrue(StrUtil.isNotEmpty("abc"));
+	}
+
+	@Test
+	public void isBlankTest() {
+		Assert.assertTrue(StrUtil.isBlank(null));
+		Assert.assertTrue(StrUtil.isBlank(""));
+		Assert.assertTrue(StrUtil.isBlank(" \t\n"));
+
+		Assert.assertFalse(StrUtil.isBlank("abc"));
+	}
+
+	@Test
+	public void isNotBlankTest() {
+		Assert.assertFalse(StrUtil.isNotBlank(null));
+		Assert.assertFalse(StrUtil.isNotBlank(""));
+		Assert.assertFalse(StrUtil.isNotBlank(" \t\n"));
+
+		Assert.assertTrue(StrUtil.isNotBlank("abc"));
+	}
+}