@Test
public void testKeywordMethods() {
BibEntry be = BibtexParser.singleFromString("@ARTICLE{Key15, keywords = {Foo, Bar}}");
String[] expected = {"Foo", "Bar"};
Assert.assertArrayEquals(expected, be.getSeparatedKeywords().toArray());
List<String> kw = be.getSeparatedKeywords();
be.addKeyword("FooBar");
String[] expected2 = {"Foo", "Bar", "FooBar"};
Assert.assertArrayEquals(expected2, be.getSeparatedKeywords().toArray());
be.addKeyword("FooBar");
Assert.assertArrayEquals(expected2, be.getSeparatedKeywords().toArray());
be.addKeyword("FOO");
Assert.assertArrayEquals(expected2, be.getSeparatedKeywords().toArray());
be.addKeyword("");
Assert.assertArrayEquals(expected2, be.getSeparatedKeywords().toArray());
try {
be.addKeyword(null);
Assert.fail();
} catch (NullPointerException asExpected) {
}
BibEntry be2 = new BibEntry();
Assert.assertTrue(be2.getSeparatedKeywords().isEmpty());
be2.addKeyword("");
Assert.assertTrue(be2.getSeparatedKeywords().isEmpty());
be2.addKeywords(be.getSeparatedKeywords());
Assert.assertArrayEquals(expected2, be2.getSeparatedKeywords().toArray());
be2.putKeywords(kw);
Assert.assertArrayEquals(expected, be2.getSeparatedKeywords().toArray());
}
