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

assertContainsOnlyInstancesOf() assertContainsOnlyInstancesOf(string $classname, Traversable|array

assertTrue() assertTrue(bool $condition[, string $message = ''])

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

assertFalse() assertFalse(bool $condition[, string $message = ''])

assertInstanceOf() assertInstanceOf($expected, $actual[, $message = ''])

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

assertJsonFileEqualsJsonFile() assertJsonFileEqualsJsonFile(mixed $expectedFile, mixed

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

assertStringEqualsFile() assertStringEqualsFile(string $expectedFile, string $actualString[