1 files changed, 43 insertions, 0 deletions
diff --git a/python/mozbuild/mozbuild/test/configure/test_bootstrap.py b/python/mozbuild/mozbuild/test/configure/test_bootstrap.py
new file mode 100644
index 0000000000..eaa417d566
--- /dev/null
+++ b/python/mozbuild/mozbuild/test/configure/test_bootstrap.py
@@ -0,0 +1,43 @@
+# 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/.
+
+from mozunit import main
+
+from common import BaseConfigureTest
+
+
+class TestBootstrap(BaseConfigureTest):
+    def test_bootstrap(self):
+        def get_value_for(arg):
+            sandbox = self.get_sandbox({}, {}, [arg], {})
+            return sandbox._value_for(sandbox["enable_bootstrap"])
+
+        self.assertEqual(None, get_value_for("--disable-bootstrap"))
+
+        # With `--enable-bootstrap`, anything is bootstrappable
+        bootstrap = get_value_for("--enable-bootstrap")
+        self.assertTrue(bootstrap("foo"))
+        self.assertTrue(bootstrap("bar"))
+
+        # With `--enable-bootstrap=foo,bar`, only foo and bar are bootstrappable
+        bootstrap = get_value_for("--enable-bootstrap=foo,bar")
+        self.assertTrue(bootstrap("foo"))
+        self.assertTrue(bootstrap("bar"))
+        self.assertFalse(bootstrap("qux"))
+
+        # With `--enable-bootstrap=-foo`, anything is bootstrappable, except foo
+        bootstrap = get_value_for("--enable-bootstrap=-foo")
+        self.assertFalse(bootstrap("foo"))
+        self.assertTrue(bootstrap("bar"))
+        self.assertTrue(bootstrap("qux"))
+
+        # Corner case.
+        bootstrap = get_value_for("--enable-bootstrap=-foo,foo,bar")
+        self.assertFalse(bootstrap("foo"))
+        self.assertTrue(bootstrap("bar"))
+        self.assertFalse(bootstrap("qux"))
+
+
+if __name__ == "__main__":
+    main()