{strings.Repeat("(?:", 999) + strings.Repeat(")*", 999), ``},
	{"(" + strings.Repeat("|", 12345) + ")", ``}, // not nested at all
}

const testFlags = MatchNL | PerlX | UnicodeGroups

func TestParseSimple(t *testing.T) {
	testParseDump(t, parseTests, testFlags)
}

var foldcaseTests = []parseTest{
	{`AbCdE`, `strfold{ABCDE}`},
	{`[Aa]`, `litfold{A}`},
	{`a`, `litfold{A}`},