@Test
    public void testPostscriptBasedIllustrator() throws Exception {
        //if all we have is the name, default to pdf based illustrator
        assertTypeByName("application/illustrator", "testAI_PS.ai");
        //if we have bytes, get it right
        assertTypeByData("application/illustrator+ps", "testAI_PS.ai");
        //if we have name and bytes, get it right
        assertTypeByNameAndData("application/illustrator+ps", "testAI_PS.ai");

    }
Files generated by Works 7.0 Spreadsheet application use the OLE2
structure and resemble Excel files (they contain a "Workbook"). They are
not Excel though. They are distinguished from Excel files with an
additional top-level entry in below the root of the POI filesystem.

@throws Exception
tika-parsers/tika-parsers-standard/tika-parsers-standard-package/src/test/java/org/apache/tika/mime/TestMimeTypes.java