Test for fix of lookup of templates of function with template args

wlav · Feb 15, 2022 · 0073df1 · 0073df1
1 parent f4446b3
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diff --git a/doc/source/changelog.rst b/doc/source/changelog.rst
@@ -19,6 +19,7 @@ master: 2.3.0
 * Pull forward upstream patch for PPC
 * Only apply system_dirs patch (for asan) on Linux
 * Add unloaded classes to namespaces in dir()
+* Fix lookup of templates of function with template args
 
 
 2021-11-14: 2.2.0

diff --git a/test/test_regression.py b/test/test_regression.py
@@ -1064,3 +1064,43 @@ def test37_array_of_pointers_argument(self):
             res = ns.test(arr, b)
 
             assert cppyy.addressof(res) == cppyy.addressof(arr)
+
+    def test38_template_of_function_with_templated_args(self):
+        """Lookup of templates of function with templated args used to fail"""
+
+        import cppyy
+
+        cppyy.cppdef("""\
+        namespace parenthesis {
+        template<class T>
+        class F;
+
+        template<class T>
+        class V;
+
+        using i = F<void (int)>;
+        using v = F<void (V<int>)>;
+
+        using ii = F<void (int,int)>;
+        using iv = F<void (int,V<int>)>;
+        using vi = F<void (V<int>,int)>;
+        using vv = F<void (V<int>,V<int>)>;
+
+        using iii = F<void (int,int,int)>;
+        using ivi = F<void (int,V<int>,int)>;
+        using vii = F<void (V<int>,int,int)>;
+        using vvi = F<void (V<int>,V<int>,int)>;
+
+        using iiv = F<void (int,int,V<int>)>;
+        using ivv = F<void (int,V<int>,V<int>)>;
+        using viv = F<void (V<int>,int,V<int>)>;
+        using vvv = F<void (V<int>,V<int>,V<int>)>;
+        }""")
+
+        ns = cppyy.gbl.parenthesis
+
+        for t in ['i','v',
+                  'ii', 'iv', 'vi', 'vv',
+                  'iii', 'ivi', 'vii', 'vvi',
+                  'iiv', 'ivv', 'viv', 'vvv']:
+            assert getattr(ns, t)