errors: Test for New (C++)

errors.New was added in a245ab56 (errors: New package) without test.

MANIFEST.in

@@ -10,6 +10,7 @@ include golang/context.cpp
 include golang/cxx.h
 include golang/errors.h
 include golang/errors.cpp
+include golang/errors_test.cpp
 include golang/fmt.h
 include golang/fmt.cpp
 include golang/fmt_test.cpp

golang/.gitignore

 /_context.cpp
+/_errors_test.cpp
 /_fmt_test.cpp
 /_golang.cpp
 /_golang_test.cpp

golang/_errors_test.pyx

+# -*- coding: utf-8 -*-
+# cython: language_level=2
+# distutils: language=c++
+#
+# Copyright (C) 2020  Nexedi SA and Contributors.
+#                     Kirill Smelkov <kirr@nexedi.com>
+#
+# This program is free software: you can Use, Study, Modify and Redistribute
+# it under the terms of the GNU General Public License version 3, or (at your
+# option) any later version, as published by the Free Software Foundation.
+#
+# You can also Link and Combine this program with other software covered by
+# the terms of any of the Free Software licenses or any of the Open Source
+# Initiative approved licenses and Convey the resulting work. Corresponding
+# source of such a combination shall include the source code for all other
+# software used.
+#
+# This program is distributed WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# See COPYING file for full licensing terms.
+# See https://www.nexedi.com/licensing for rationale and options.
+
+from __future__ import print_function, absolute_import
+
+from golang cimport topyexc
+
+
+# errors_test.cpp
+cdef extern from * nogil:
+    """
+    extern void _test_errors_new_cpp();
+    """
+    void _test_errors_new_cpp()                 except +topyexc
+
+def test_errors_new_cpp():
+    with nogil:
+        _test_errors_new_cpp()

golang/errors_test.cpp

+// Copyright (C) 2020  Nexedi SA and Contributors.
+//                     Kirill Smelkov <kirr@nexedi.com>
+//
+// This program is free software: you can Use, Study, Modify and Redistribute
+// it under the terms of the GNU General Public License version 3, or (at your
+// option) any later version, as published by the Free Software Foundation.
+//
+// You can also Link and Combine this program with other software covered by
+// the terms of any of the Free Software licenses or any of the Open Source
+// Initiative approved licenses and Convey the resulting work. Corresponding
+// source of such a combination shall include the source code for all other
+// software used.
+//
+// This program is distributed WITHOUT ANY WARRANTY; without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+//
+// See COPYING file for full licensing terms.
+// See https://www.nexedi.com/licensing for rationale and options.
+
+#include "golang/errors.h"
+
+#include "golang/_testing.h"
+using namespace golang;
+
+void _test_errors_new_cpp() {
+    error err = errors::New("hello world");
+    ASSERT_EQ(err->Error(), "hello world");
+}

golang/errors_test.py

+# -*- coding: utf-8 -*-
+# Copyright (C) 2020  Nexedi SA and Contributors.
+#                     Kirill Smelkov <kirr@nexedi.com>
+#
+# This program is free software: you can Use, Study, Modify and Redistribute
+# it under the terms of the GNU General Public License version 3, or (at your
+# option) any later version, as published by the Free Software Foundation.
+#
+# You can also Link and Combine this program with other software covered by
+# the terms of any of the Free Software licenses or any of the Open Source
+# Initiative approved licenses and Convey the resulting work. Corresponding
+# source of such a combination shall include the source code for all other
+# software used.
+#
+# This program is distributed WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# See COPYING file for full licensing terms.
+# See https://www.nexedi.com/licensing for rationale and options.
+
+from __future__ import print_function, absolute_import
+
+from golang.golang_test import import_pyx_tests
+
+import_pyx_tests("golang._errors_test")

setup.py

@@ -251,6 +251,10 @@ setup(
                     Ext('golang._context',
                         ['golang/_context.pyx']),
 
+                    Ext('golang._errors_test',
+                        ['golang/_errors_test.pyx',
+                         'golang/errors_test.cpp']),
+
                     Ext('golang._fmt_test',
                         ['golang/_fmt_test.pyx',
                          'golang/fmt_test.cpp']),