1 files changed, 16 insertions, 0 deletions
diff --git a/tools/lint/test/test_lintpref.py b/tools/lint/test/test_lintpref.py
new file mode 100644
index 0000000000..3e75b1675e
--- /dev/null
+++ b/tools/lint/test/test_lintpref.py
@@ -0,0 +1,16 @@
+import mozunit
+
+LINTER = "lintpref"
+
+
+def test_lintpref(lint, paths):
+    results = lint(paths())
+    assert len(results) == 1
+    assert results[0].level == "error"
+    assert 'pref("dom.webidl.test1", true);' in results[0].message
+    assert "bad.js" in results[0].relpath
+    assert results[0].lineno == 2
+
+
+if __name__ == "__main__":
+    mozunit.main()