1 files changed, 48 insertions, 0 deletions
diff --git a/tools/lint/test/test_clang_format.py b/tools/lint/test/test_clang_format.py
new file mode 100644
index 0000000000..a04fde6267
--- /dev/null
+++ b/tools/lint/test/test_clang_format.py
@@ -0,0 +1,48 @@
+import mozunit
+
+from conftest import build
+
+LINTER = "clang-format"
+
+
+def test_good(lint, config, paths):
+    results = lint(paths("good/"), root=build.topsrcdir, use_filters=False)
+    print(results)
+    assert len(results) == 0
+
+
+def test_basic(lint, config, paths):
+    results = lint(paths("bad/bad.cpp"), root=build.topsrcdir, use_filters=False)
+    print(results)
+    assert len(results) >= 1
+
+    assert "Reformat C/C++" in results[0].message
+    assert results[0].level == "warning"
+    assert results[0].lineno == 1
+    assert results[0].column == 4
+    assert "bad.cpp" in results[0].path
+    assert "int  main ( ) {" in results[0].diff
+
+
+def test_dir(lint, config, paths):
+    results = lint(paths("bad/"), root=build.topsrcdir, use_filters=False)
+    print(results)
+    assert len(results) >= 4
+
+    assert "Reformat C/C++" in results[0].message
+    assert results[0].level == "warning"
+    assert results[0].lineno == 1
+    assert results[0].column == 4
+    assert "bad.cpp" in results[0].path
+    assert "int  main ( ) {" in results[0].diff
+
+    assert "Reformat C/C++" in results[5].message
+    assert results[5].level == "warning"
+    assert results[5].lineno == 1
+    assert results[5].column == 18
+    assert "bad2.c" in results[5].path
+    assert "#include" in results[5].diff
+
+
+if __name__ == "__main__":
+    mozunit.main()