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package org.apache.james.mime4j.field.datetime;
import junit.framework.TestCase;
import org.apache.james.mime4j.MimeException;
import org.apache.james.mime4j.field.datetime.parser.DateTimeParser;
import org.apache.james.mime4j.field.datetime.parser.ParseException;
import java.io.StringReader;
public class DateTimeTest extends TestCase {
public void testExceptionTree() {
// make sure that our ParseException extends MimeException.
assertTrue(MimeException.class.isAssignableFrom(ParseException.class));
}
public void testNormalDate() throws ParseException {
new DateTimeParser(new StringReader("Fri, 21 Nov 1997 09:55:06 -0600")).parseAll();
new DateTimeParser(new StringReader("21 Nov 97 09:55:06 GMT")).parseAll();
ensureAllEqual(new String[] {
"Fri, 21 Nov 1997 09:55:06 -0600", // baseline
"Fri, 21 Nov 97 09:55:06 -0600", // 2-digit year
"Fri, 21 Nov 097 09:55:06 -0600", // 3-digit year
"Fri, 21 Nov 1997 10:55:06 -0500", // shift time zone
"Fri, 21 Nov 1997 19:25:06 +0330", // shift time zone
"21 Nov 1997 09:55:06 -0600" // omit day of week
});
ensureAllEqual(new String[] {
"Thu, 16 Sep 2019 14:37:22 +0000", // baseline
"Thu, 16 Sep 19 14:37:22 +0000", // 2-digit year
"Thu, 16 Sep 119 14:37:22 +0000", // 3-digit year
"Thu, 16 Sep 2019 14:37:22 -0000", // minus-zero zone
"Thu, 16 Sep 2019 14:37:22 GMT", // alternate zone
"Thu, 16 Sep 2019 14:37:22 UT" // alternate zone
});
ensureAllEqual(new String[] {
"Fri, 21 Nov 1997 12:00:00 GMT",
"Fri, 21 Nov 1997 07:00:00 EST",
"Fri, 21 Nov 1997 08:00:00 EDT",
"Fri, 21 Nov 1997 06:00:00 CST",
"Fri, 21 Nov 1997 07:00:00 CDT",
"Fri, 21 Nov 1997 05:00:00 MST",
"Fri, 21 Nov 1997 06:00:00 MDT",
"Fri, 21 Nov 1997 04:00:00 PST",
"Fri, 21 Nov 1997 05:00:00 PDT",
// make sure military zones are ignored, per RFC2822 instructions
"Fri, 21 Nov 1997 12:00:00 A",
"Fri, 21 Nov 1997 12:00:00 B",
"Fri, 21 Nov 1997 12:00:00 C",
"Fri, 21 Nov 1997 12:00:00 D",
"Fri, 21 Nov 1997 12:00:00 E",
"Fri, 21 Nov 1997 12:00:00 F",
"Fri, 21 Nov 1997 12:00:00 G",
"Fri, 21 Nov 1997 12:00:00 H",
"Fri, 21 Nov 1997 12:00:00 I",
"Fri, 21 Nov 1997 12:00:00 K",
"Fri, 21 Nov 1997 12:00:00 L",
"Fri, 21 Nov 1997 12:00:00 M",
"Fri, 21 Nov 1997 12:00:00 N",
"Fri, 21 Nov 1997 12:00:00 O",
"Fri, 21 Nov 1997 12:00:00 P",
"Fri, 21 Nov 1997 12:00:00 Q",
"Fri, 21 Nov 1997 12:00:00 R",
"Fri, 21 Nov 1997 12:00:00 S",
"Fri, 21 Nov 1997 12:00:00 T",
"Fri, 21 Nov 1997 12:00:00 U",
"Fri, 21 Nov 1997 12:00:00 V",
"Fri, 21 Nov 1997 12:00:00 W",
"Fri, 21 Nov 1997 12:00:00 X",
"Fri, 21 Nov 1997 12:00:00 Y",
"Fri, 21 Nov 1997 12:00:00 Z",
});
}
private void ensureAllEqual(String[] dateStrings) throws ParseException {
for (int i = 0; i < dateStrings.length - 1; i++) {
assertEquals(
new DateTimeParser(new StringReader(dateStrings[i])).parseAll().getDate().getTime(),
new DateTimeParser(new StringReader(dateStrings[i + 1])).parseAll().getDate().getTime()
);
}
}
}