void testIsEmpty()
{
APE::Tag tag;
CPPUNIT_ASSERT(tag.isEmpty());
tag.addValue("COMPOSER", "Mike Oldfield");
CPPUNIT_ASSERT(!tag.isEmpty());
}
void testInvalidKeys()
{
PropertyMap properties;
properties["A"] = String("invalid key: one character");
properties["MP+"] = String("invalid key: forbidden string");
properties["A B~C"] = String("valid key: space and tilde");
properties["ARTIST"] = String("valid key: normal one");
APE::Tag tag;
PropertyMap unsuccessful = tag.setProperties(properties);
CPPUNIT_ASSERT_EQUAL((unsigned int)2, unsuccessful.size());
CPPUNIT_ASSERT(unsuccessful.contains("A"));
CPPUNIT_ASSERT(unsuccessful.contains("MP+"));
CPPUNIT_ASSERT_EQUAL((unsigned int)2, tag.itemListMap().size());
tag.addValue("VALID KEY", "Test Value 1");
tag.addValue("INVALID KEY \x7f", "Test Value 2");
CPPUNIT_ASSERT_EQUAL((unsigned int)3, tag.itemListMap().size());
}