1 files changed, 33 insertions, 0 deletions
diff --git a/tools/lint/test/test_manifest_alpha.py b/tools/lint/test/test_manifest_alpha.py
new file mode 100644
index 0000000000..2e8e1a6c77
--- /dev/null
+++ b/tools/lint/test/test_manifest_alpha.py
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+import mozunit
+
+LINTER = "test-manifest-alpha"
+
+
+def test_very_out_of_order(lint, paths):
+    results = lint(paths("mochitest-very-out-of-order.ini"))
+    assert len(results) == 1
+    assert results[0].diff
+
+
+def test_in_order(lint, paths):
+    results = lint(paths("mochitest-in-order.ini"))
+    assert len(results) == 0
+
+
+def test_mostly_in_order(lint, paths):
+    results = lint(paths("mochitest-mostly-in-order.ini"))
+    assert len(results) == 1
+    assert results[0].diff
+
+
+def test_other_ini_very_out_of_order(lint, paths):
+    """Test that an .ini file outside of the allowlist is ignored."""
+    results = lint(paths("other-ini-very-out-of-order.ini"))
+    assert len(results) == 0
+
+
+if __name__ == "__main__":
+    mozunit.main()