add test

hutool-core/src/test/java/org/dromara/hutool/core/date/IssueIBB6I5Test.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2024 Hutool Team and hutool.cn
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.dromara.hutool.core.date;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.time.ZoneId;
+import java.util.TimeZone;
+
+/**
+ * ISO8601时间中，不加`Z`表示一个本地时间，加`Z`表示UTC时间
+ */
+public class IssueIBB6I5Test {
+	@Test
+	void parseISO8601Test() {
+		// 本测试中，解析一个UTC时间，当变更时区时，输出的时间就是对应的本地时间
+		final DateTime date = DateUtil.parse("2024-12-13T08:02:27Z");
+		final TimeZone timeZone = TimeZone.getTimeZone(ZoneId.of("Asia/Shanghai"));
+		date.setTimeZone(timeZone);
+		Assertions.assertEquals("2024-12-13 16:02:27", date.toString());
+	}
+
+	@Test
+	void parseISO8601Test2() {
+		// 本测试中，解析一个本地时间，当变更时区时，输出的时间不变
+		final DateTime date = DateUtil.parse("2024-12-13T08:02:27");
+		final TimeZone timeZone = TimeZone.getTimeZone(ZoneId.of("Asia/Shanghai"));
+		date.setTimeZone(timeZone);
+		Assertions.assertEquals("2024-12-13 08:02:27", date.toString());
+	}
+}