AT&T POSIX Test Files
See textregex.c for copyright + license.

testregex.c	http://www2.research.att.com/~gsf/testregex/testregex.c
basic.dat	http://www2.research.att.com/~gsf/testregex/basic.dat
nullsubexpr.dat	http://www2.research.att.com/~gsf/testregex/nullsubexpr.dat
repetition.dat	http://www2.research.att.com/~gsf/testregex/repetition.dat

The test data has been edited to reflect RE2/Go differences:

        ImmutableList.Builder<Object> requestedAttributesBuilder = new ImmutableList.Builder<>();
        for (Attribute<?> att : requestedAttributes.keySet()) {
            requestedAttributesBuilder.add(ImmutableMap.of("name", att.getName(), "value", requestedAttributes.getAttribute(att).toString()));
        }
        model.put("requestedAttributes", requestedAttributesBuilder.build());

        return model;
    }

            }
            stream.reset();

            int offset = 0;
            while (stream.incrementToken()) {
                final CharTermAttribute att = stream.getAttribute(CharTermAttribute.class);
                final String term = att.toString();
                final int pos = inputStr.indexOf(term, offset);
                if (pos > 0) {
                    final String tmp = inputStr.substring(offset, pos);

# https://github.com/apache/lucene-solr/blob/master/lucene/analysis/common/src/resources/org/apache/lucene/analysis/snowball/swedish_stop.txt
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E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Moammar Qudhafi	(0,15)(?,?)(10,12)
E	a+(b|c)*d+		aabcdd			(0,6)(3,4)
E	^.+$			vivi			(0,4)
E	^(.+)$			vivi			(0,4)(0,4)
E	^([^!.]+).att.com!(.+)$	gryphon.att.com!eby	(0,19)(0,7)(16,19)
E	^([^!]+!)?([^!]+)$	bas			(0,3)(?,?)(0,3)
E	^([^!]+!)?([^!]+)$	bar!bas			(0,7)(0,4)(4,7)
E	^([^!]+!)?([^!]+)$	foo!bas			(0,7)(0,4)(4,7)

NOTE	implicit vs. explicit repetitions : 2009-02-02

# Glenn Fowler <gsf@research.att.com>
# conforming matches (column 4) must match one of the following BREs
#	NOMATCH
#	(0,.)\((\(.\),\(.\))(?,?)(\2,\3)\)*
#	(0,.)\((\(.\),\(.\))(\2,\3)(?,?)\)*
# i.e., each 3-tuple has two identical elements and one (?,?)

E	((..)|(.))				NULL		NOMATCH
E	((..)|(.))((..)|(.))			NULL		NOMATCH
E	((..)|(.))((..)|(.))((..)|(.))		NULL		NOMATCH

T("\n");
T("CAVEAT\n");
T("    If a regex implementation misbehaves with memory then all bets are off.\n");
T("\n");
T("CONTRIBUTORS\n");
T("  Glenn Fowler    gsf@research.att.com        (ksh strmatch, regex extensions)\n");
T("  David Korn      dgk@research.att.com        (ksh glob matcher)\n");
T("  Doug McIlroy    ******@****.***       (ast regex/testre in C++)\n");
T("  Tom Lord        ******@****.***            (rx tests)\n");

			}
			n += 2
			i = j + 1
		}
	}
	return out
}

// TestFowler runs this package's regexp API against the
// POSIX regular expression tests collected by Glenn Fowler
// at http://www2.research.att.com/~astopen/testregex/testregex.html.
func TestFowler(t *testing.T) {
	files, err := filepath.Glob("testdata/*.dat")
	if err != nil {
		t.Fatal(err)
	}
	for _, file := range files {
		t.Log(file)

			t.Fatalf(`xmlInput "%s": expected SyntaxError not received`, xmlInput[i])
		}
	}
}

func TestInputLinePos(t *testing.T) {
	testInput := `<root>
<?pi
 ?>  <elt
att
=
"val">
<![CDATA[
]]><!--

--></elt>
</root>`
	linePos := [][]int{
		{1, 7},
		{2, 1},
		{3, 4},
		{3, 6},
		{6, 7},
		{7, 1},
		{8, 4},
		{10, 4},
		{10, 10},

				"application/x-xfig",
				"application/x-xpinstall",
				"application/x-xmind",
				"application/x-xz",
				"application/x-zoo",
				"application/x400-bp",
				"application/xcap-att+xml",
				"application/xcap-caps+xml",
				"application/xcap-el+xml",
				"application/xcap-error+xml",
				"application/xcap-ns+xml",
				"application/xcon-conference-info-diff+xml",