Added some tests

lib/src/test/java/rife/render/TestDateTime.java

@@ -0,0 +1,57 @@
+/*
+ *  Copyright 2023 the original author or authors.
+ *
+ *  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
+ *
+ *       https://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 rife.render;
+
+import org.junit.jupiter.api.Test;
+import rife.template.TemplateFactory;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatCode;
+
+class TestDateTime {
+    @Test
+    void testDateIso() {
+        var t = TemplateFactory.HTML.get("dateIso");
+        assertThatCode(() -> DateIso.iso8601Formatter.parse(t.getContent())).doesNotThrowAnyException();
+    }
+
+    @Test
+    void testDateTimeIso() {
+        var t = TemplateFactory.HTML.get("dateTimeIso");
+        assertThatCode(() -> DateTimeIso.iso8601Formatter.parse(t.getContent())).doesNotThrowAnyException();
+    }
+
+    @Test
+    void testDateTimeRfc2822() {
+        var t = TemplateFactory.HTML.get("dateTimeRfc2822");
+        assertThatCode(() -> DateTimeRfc2822.rfc2822Formatter.parse(t.getContent())).doesNotThrowAnyException();
+    }
+
+    @Test
+    void testTimeIso() {
+        var t = TemplateFactory.HTML.get("timeIso");
+        assertThatCode(() -> TimeIso.iso8601Formatter.parse(t.getContent())).doesNotThrowAnyException();
+    }
+
+    @Test
+    void testYear() {
+        var t = TemplateFactory.HTML.get("year");
+        var year = java.time.Year.now().toString();
+        assertThat(t.getContent()).isEqualTo(year + "<br>\n" + year);
+    }
+}