assertEmpty() assertEmpty(mixed $actual[, string $message = ''])

assertNan() assertNan(mixed $variable[, string $message = ''])

assertStringMatchesFormat() assertStringMatchesFormat(string $format, string $string[

assertJsonStringEqualsJsonFile() assertJsonStringEqualsJsonFile(mixed $expectedFile,

assertXmlStringEqualsXmlString() assertXmlStringEqualsXmlString(string $expectedXml,

assertObjectHasAttribute() assertObjectHasAttribute(string $attributeName, object $object[

assertIsReadable() assertIsReadable(string $filename[, string $message = ''])

assertDirectoryIsReadable() assertDirectoryIsReadable(string $directory[, string $message

assertFileIsWritable() assertFileIsWritable(string $filename[, string $message = ''])

assertJsonStringEqualsJsonString() assertJsonStringEqualsJsonString(mixed $expectedJson