From: Magnus Jacobsson <magnus.jacobsson@berotec.se>
Date: Sun, 6 Sep 2020 15:13:54 +0000 (+0200)
Subject: Add gvedit -? regression test
X-Git-Tag: 2.46.0~20^2^2~88^2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3ce09b31db6e30ceeecb1f8a414d9eb21f576079;p=graphviz

Add gvedit -? regression test
---

diff --git a/rtest/test_regression.py b/rtest/test_regression.py
index 23c74d341..455d60b65 100644
--- a/rtest/test_regression.py
+++ b/rtest/test_regression.py
@@ -310,3 +310,14 @@ def test_1783():
     assert ret != 0, 'Graphviz accepted illegal edge weight'
 
     assert ret != -signal.SIGSEGV, 'Graphviz segfaulted'
+
+def test_1813():
+    '''
+    gvedit -? should show usage
+    https://gitlab.com/graphviz/graphviz/-/issues/1813
+    '''
+
+    output = subprocess.check_output(['gvedit', '-?'],
+      universal_newlines=True)
+
+    assert 'Usage' in output, 'gvedit -? did not show usage'