bug fixed #1

Author: gebv

strparam.go

@@ -112,6 +112,10 @@ func (s *PatternSchema) Lookup(in string) (bool, Params) {
 	var offset int
 
 	for num, t := range s.Tokens {
+		if len(in) < offset || len(in) < offset+t.Len {
+			return false, nil
+		}
+
 		switch t.Mode {
 		case BEGINLINE:
 		case ENDLINE:

strparam_test.go

@@ -22,6 +22,8 @@ func TestParse(t *testing.T) {
 		{"simple1", "foo{p1}bar", "foo123bar", Params{{"p1", "123"}}, true, false},
 		{"utf8pattern", "foo{p1}日本語{p2}baz", "fooAAA日本語BBBbaz", Params{{"p1", "AAA"}, {"p2", "BBB"}}, true, false},
 		{"utf8param", "foo{p1}bar{p2}baz", "foo日本語barСЫРbaz", Params{{"p1", "日本語"}, {"p2", "СЫР"}}, true, false},
+		{"issues#1", "#snippet-{boundary}", "foobar", nil, false, false},
+		{"issues#1", "verylongpattern-{p1}", "smallinput", nil, false, false},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {