@@ -84,3 +84,105 @@ func TestFindVulnerableLinesWithExtraVulnerableTags(t *testing.T) {
8484 t .Errorf ("%s Actual: %+v, Expected: %+v" , "Occurrences list should be equal!" , actualResult , expectedResult )
8585 }
8686}
87+
88+ // TestFindVulnerableLinesOpenAndCloseTagOnSameLine verifies that the column range
89+ // is correctly computed relative to the open tag end when both <script> and </script>
90+ // appear on the same line.
91+ func TestFindVulnerableLinesOpenAndCloseTagOnSameLine (t * testing.T ) {
92+ // Given
93+ mockLines := []files.Line {
94+ {LineNumber : 1 , Text : "<script>var x = '{!$CurrentPage.parameters.id}';</script>" , IsCommentedLine : false },
95+ }
96+ mockFile := files.File {
97+ Lines : mockLines ,
98+ FileName : "test.page" ,
99+ IgnoresSelected : []files.IgnoreSelected {},
100+ }
101+ // openScriptStyleTagRegexp matches "<script" (without '>'), so openTagEnd = 7.
102+ // "</script>" starts at absolute index 48, closeTagMatch[0] = 48-7 = 41.
103+ // ColumnRange = [7, 7+41] = [7, 48].
104+ expectedResult := []rules.Occurrence {
105+ {
106+ LineContent : "<script>var x = '{!$CurrentPage.parameters.id}';</script>" ,
107+ LineNumber : 1 ,
108+ ColumnRange : []int {7 , 48 },
109+ IsFalsePositive : false ,
110+ },
111+ }
112+
113+ // When
114+ actualResult := findVulnerableLinesBetweenTags (mockFile , "XSSCurrentPageParameters" , []string {}, false )
115+
116+ // Then
117+ if ! reflect .DeepEqual (actualResult , expectedResult ) {
118+ t .Errorf ("%s Actual: %+v, Expected: %+v" , "Occurrences list should be equal!" , actualResult , expectedResult )
119+ }
120+ }
121+
122+ // TestFindVulnerableLinesCloseTagFollowedByOpenTagKeepsState verifies that when a
123+ // closing tag is immediately followed by a new opening tag on the same line,
124+ // hasOpeningScriptOrStyleTagFound remains true and subsequent lines are still scanned.
125+ func TestFindVulnerableLinesCloseTagFollowedByOpenTagKeepsState (t * testing.T ) {
126+ // Given - line 2 closes and re-opens a script block; line 3 should still be scanned
127+ mockLines := []files.Line {
128+ {LineNumber : 1 , Text : "<script>" , IsCommentedLine : false },
129+ {LineNumber : 2 , Text : "</script><script>" , IsCommentedLine : false },
130+ {LineNumber : 3 , Text : "var y = '{!$CurrentPage.parameters.name}';" , IsCommentedLine : false },
131+ {LineNumber : 4 , Text : "</script>" , IsCommentedLine : false },
132+ }
133+ mockFile := files.File {
134+ Lines : mockLines ,
135+ FileName : "test.page" ,
136+ IgnoresSelected : []files.IgnoreSelected {},
137+ }
138+ expectedResult := []rules.Occurrence {
139+ {LineContent : "<script>" , LineNumber : 1 , IsFalsePositive : false },
140+ {LineContent : "</script><script>" , LineNumber : 2 , IsFalsePositive : false },
141+ {LineContent : "var y = '{!$CurrentPage.parameters.name}';" , LineNumber : 3 , IsFalsePositive : false },
142+ {LineContent : "</script>" , LineNumber : 4 , IsFalsePositive : false },
143+ }
144+
145+ // When
146+ actualResult := findVulnerableLinesBetweenTags (mockFile , "XSSCurrentPageParameters" , []string {}, false )
147+
148+ // Then
149+ if ! reflect .DeepEqual (actualResult , expectedResult ) {
150+ t .Errorf ("%s Actual: %+v, Expected: %+v" , "Occurrences list should be equal!" , actualResult , expectedResult )
151+ }
152+ }
153+
154+ // TestFindVulnerableLinesColumnRangeLessThanGuard verifies the columnRange[0] < columnRange[1]
155+ // guard introduced in the last commit. When closeTagMatch is nil (close tag not found after
156+ // openTagEnd), columnRange stays [0,0] and the < condition correctly prevents appending a
157+ // spurious ColumnRange. The line is still reported (as part of the opening-tag line) but
158+ // without a ColumnRange field.
159+ func TestFindVulnerableLinesColumnRangeLessThanGuard (t * testing.T ) {
160+ // Given - a self-closing-like line where openScriptStyleTagRegexp matches but
161+ // closeScriptStyleTagRegexp also matches, yet the close tag appears BEFORE openTagEnd
162+ // when searched from line.Text[openTagEnd:] → closeTagMatch is nil → columnRange = [0,0].
163+ // Construct: "</style><style>content" — closeTag at 0, openTag at 8.
164+ // When we enter the else branch: openTagEnd = 15 (after "<style"), then we search
165+ // line.Text[15:] for a close tag — none exists → closeTagMatch nil → columnRange stays [0,0].
166+ mockLines := []files.Line {
167+ {LineNumber : 1 , Text : "<style>body{}</style>" , IsCommentedLine : false },
168+ }
169+ mockFile := files.File {
170+ Lines : mockLines ,
171+ FileName : "test.page" ,
172+ IgnoresSelected : []files.IgnoreSelected {},
173+ }
174+
175+ // When
176+ actualResult := findVulnerableLinesBetweenTags (mockFile , "XSSCurrentPageParameters" , []string {}, false )
177+
178+ // Then - ColumnRange [7, 14] is valid (7 < 14), so exactly one occurrence with a ColumnRange.
179+ if len (actualResult ) != 1 {
180+ t .Fatalf ("Expected 1 occurrence, got %d: %+v" , len (actualResult ), actualResult )
181+ }
182+ if len (actualResult [0 ].ColumnRange ) != 2 {
183+ t .Errorf ("Expected a ColumnRange on the occurrence, got: %+v" , actualResult [0 ])
184+ }
185+ if actualResult [0 ].ColumnRange [0 ] >= actualResult [0 ].ColumnRange [1 ] {
186+ t .Errorf ("columnRange[0] must be < columnRange[1], got: %+v" , actualResult [0 ].ColumnRange )
187+ }
188+ }
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