From 5e8f053d3340fb181df8a0e7842ac539eda56e9d Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Tue, 6 Feb 2024 13:40:41 +0000
Subject: [PATCH] tests: Exercise gdbus-codegen --interface-info-header with
 empty input

Signed-off-by: Simon McVittie <smcv@collabora.com>
---
 gio/tests/codegen.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gio/tests/codegen.py b/gio/tests/codegen.py
index 725b44080..f66b92c8c 100644
--- a/gio/tests/codegen.py
+++ b/gio/tests/codegen.py
@@ -367,6 +367,31 @@ class TestCodegen(unittest.TestCase):
 G_BEGIN_DECLS
 
 
+G_END_DECLS
+
+#endif /* __STDOUT__ */""".format(
+                **result.subs
+            ),
+            result.out.strip(),
+        )
+
+    def test_empty_interface_info_header(self):
+        """Test generating a header with an empty interface file."""
+        result = self.runCodegenWithInterface(
+            "", "--output", "-", "--interface-info-header"
+        )
+        self.assertEqual("", result.err)
+        self.assertEqual(
+            """{standard_top_comment}
+
+#ifndef __STDOUT__
+#define __STDOUT__
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+
 G_END_DECLS
 
 #endif /* __STDOUT__ */""".format(