Add test for 'wrap_PyStructSequence_InitType2'.

Author: fangerer

graalpython/com.oracle.graal.python.test/src/tests/cpyext/test_structseq.py

@@ -0,0 +1,80 @@
+# Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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+
+import sys
+from . import CPyExtTestCase, CPyExtFunction, CPyExtFunctionOutVars, unhandled_error_compare, GRAALPYTHON
+__dir__ = __file__.rpartition("/")[0]
+
+
+class TestPyStructSequence(CPyExtTestCase):
+
+    def compile_module(self, name):
+        type(self).mro()[1].__dict__["test_%s" % name].create_module(name)
+        super(TestPyStructSequence, self).compile_module(name)
+
+    test_PyStructSequence_InitType2 = CPyExtFunction(
+        lambda args: 0,
+        lambda: ( (0,), ),
+        code='''
+        static PyTypeObject CustomStructSeqType;
+        
+        static PyStructSequence_Field typeinfo_fields[] = {
+            {"element0",      "The first element."},
+            {"element1",      "The second element."},
+            {NULL, NULL,}
+        };
+        
+        static PyStructSequence_Desc typeinfo_desc = { 
+            "custom.named.tuple",
+            "Information about some custom struct type",
+            typeinfo_fields,
+            2,
+        };
+        
+        int wrap_PyStructSequence_InitType2(int n) {
+            return PyStructSequence_InitType2(&CustomStructSeqType, &typeinfo_desc);
+        }
+        ''',
+        resultspec="i",
+        argspec='i',
+        arguments=["int n"],
+        callfunction="wrap_PyStructSequence_InitType2",
+        cmpfunc=unhandled_error_compare
+    )
+