From d0f24fe015361bcb582980077b6572c2b62893ea Mon Sep 17 00:00:00 2001
From: firewave <firewave@users.noreply.github.com>
Date: Fri, 7 Feb 2025 17:53:32 +0100
Subject: [PATCH] test/cli/more-projects_test.py: added test show

---
 test/cli/more-projects_test.py | 36 ++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/test/cli/more-projects_test.py b/test/cli/more-projects_test.py
index e82231cfcc8..6f51c477457 100644
--- a/test/cli/more-projects_test.py
+++ b/test/cli/more-projects_test.py
@@ -861,3 +861,39 @@ def test_shared_items_project():
     # Assume no errors, and that shared items code files have been checked as well
     assert '2/2 files checked ' in stdout  # only perform partial check since -j2 does not report a percentage right now
     assert stderr == ''
+
+
+def test_project_file_nested(tmp_path):
+    test_file = tmp_path / 'test.c'
+    with open(test_file, 'wt'):
+        pass
+
+    level3_file = tmp_path / 'level3.cppcheck'
+    with open(level3_file, 'wt') as f:
+        f.write(
+"""<project>
+    <paths>
+        <dir name="{}"/>
+    </paths>
+</project>""".format(test_file))
+
+    level2_file = tmp_path / 'level2.cppcheck'
+    with open(level2_file, 'wt') as f:
+        f.write(
+"""<project>
+    <importproject>level3.cppcheck</importproject>
+</project>""")
+
+    level1_file = tmp_path / 'level1.cppcheck'
+    with open(level1_file, 'wt') as f:
+        f.write(
+"""<project>
+    <importproject>level2.cppcheck</importproject>
+</project>""")
+
+    args = ['--project={}'.format(level1_file)]
+    out_lines = [
+        'cppcheck: error: no C or C++ source files found.'
+    ]
+
+    assert_cppcheck(args, ec_exp=1, err_exp=[], out_exp=out_lines)
\ No newline at end of file