MIME4J-315 Test suite for DateTime

This is a copy of LenientDateTimeFieldTest

dom/src/test/java/org/apache/james/mime4j/field/DateTimeTest.java

@@ -0,0 +1,115 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one   *
+ * or more contributor license agreements.  See the NOTICE file *
+ * distributed with this work for additional information        *
+ * regarding copyright ownership.  The ASF licenses this file   *
+ * to you 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.apache.james.mime4j.field;
+
+import java.io.ByteArrayInputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+
+import org.apache.james.mime4j.MimeException;
+import org.apache.james.mime4j.dom.datetime.DateTime;
+import org.apache.james.mime4j.dom.field.DateTimeField;
+import org.apache.james.mime4j.field.datetime.parser.DateTimeParser;
+import org.apache.james.mime4j.stream.RawField;
+import org.apache.james.mime4j.stream.RawFieldParser;
+import org.apache.james.mime4j.util.ByteSequence;
+import org.apache.james.mime4j.util.ContentUtil;
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+public class DateTimeTest {
+
+    static Date parse(final String s) throws MimeException {
+        ByteArrayInputStream stream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII));
+        return DateTime.parse(stream).asDate();
+    }
+
+    @Test
+    public void testDateDST() throws Exception {
+        Date f = parse("Wed, 16 Jul 2008 17:12:33 +0200");
+        Assert.assertEquals(new Date(1216221153000L), f);
+    }
+
+    @Test
+    public void extraPDTShouldBeTolerated() throws Exception {
+        Date f = parse("Wed, 16 Jul 2008 17:12:33 +0200 (PDT)");
+        Assert.assertEquals(new Date(1216221153000L), f);
+    }
+
+    @Ignore
+    @Test
+    public void extraCharsShouldBeTolerated() throws Exception {
+        Date f = parse("Thu, 4 Oct 2001 20:12:26 -0700 (PDT),Thu, 4 Oct 2001 20:12:26 -0700");
+        Assert.assertEquals(new Date(1002251546000L), f);
+    }
+
+    @Test
+    public void parseShouldSupportPartialYears() throws Exception {
+        Date f = parse("Wed, 16 Jul 08 17:12:33 +0200");
+        Assert.assertEquals(new Date(1216221153000L), f);
+    }
+
+    @Test
+    public void parseShouldSupportPartialYearsFromLastCentury() throws Exception {
+        Date field1 = parse("16 Jul 99 17:12:33 +0200");
+        Date field2 = parse("16 Jul 1999 17:12:33 +0200");
+        Assert.assertEquals(field2.getDate(), field1.getDate());
+    }
+
+    @Test
+    public void testDateDSTNoDayOfWeek() throws Exception {
+        Date f = parse("16 Jul 2008 17:12:33 +0200");
+        Assert.assertEquals(new Date(1216221153000L), f);
+    }
+
+    @Test
+    public void testdd() throws Exception {
+        Date f = parse("Thu, 01 Jan 1970 12:00:00 +0000");
+        Assert.assertEquals(43200000L, f.getTime());
+    }
+
+    @Test
+    public void parseShouldAcceptWrongDayOfWeek() throws Exception {
+        // Should be Thu
+        Date f = parse("Fri, 01 Jan 1970 12:00:00 +0000");
+        Assert.assertEquals(43200000L, f.getTime());
+    }
+
+    @Ignore
+    @Test
+    public void testMime4j219() throws Exception {
+        Date f = parse("Tue, 17 Jul 2012 22:23:35.882 0000");
+        Assert.assertEquals(1342563815882L, f.getTime());
+    }
+
+    @Test
+    public void testDateWithExtraLeadingWhiteSpace() throws Exception {
+        Date f = parse(" Wed, 28 Mar 2007 13:32:39 +1000");
+        Assert.assertEquals(1175052759000L, f.getTime());
+    }
+
+    @Test
+    public void testDateWhenGeneralTimezone() throws Exception {
+        Date f = parse("Fri, 05 Jan 2018 16:18:28 Z");
+        Assert.assertEquals(1515169108000L, f.getTime());
+    }
+
+}