linting

tests/Lint/fixture/clean.cpp

@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
+// Fixture with no lint violations — rules asserting on dirty.cpp must not
+// fire here.
+int CleanAnswer() {
+    return 42;
+}

tests/Lint/fixture/dirty.cpp

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
+// Fixture with deliberate violations at fixed line numbers —
+// tests/Lint/main.cpp asserts on these exact lines. Do not reflow.
+
+// MARKER inside a comment: must be invisible to CommentStripped() (line 7)
+int DirtyTab() {
+	return 1; // deliberate tab indent (line 9)
+}
+
+const char* dirtyString = "MARKER inside a string literal (line 12)";
+int MARKER_in_code = 13; // identifier survives CommentStripped() (line 13)