Add VT_I8 ndarray test to npsupport. (#862)

Author: junkmd

comtypes/test/test_npsupport.py

@@ -3,7 +3,7 @@
 import importlib
 import inspect
 import unittest
-from ctypes import POINTER, c_double, c_long, pointer
+from ctypes import POINTER, c_double, c_long, c_longlong, pointer
 from decimal import Decimal
 
 import comtypes._npsupport
@@ -16,20 +16,23 @@
     VT_BSTR,
     VT_DATE,
     VT_I4,
+    VT_I8,
     VT_VARIANT,
     _midlSAFEARRAY,
 )
 from comtypes.safearray import safearray_as_ndarray
 
 try:
     import numpy
+
+    IMPORT_NUMPY_FAILED = False
 except ImportError:
-    numpy = None
+    IMPORT_NUMPY_FAILED = True
 
 
 def setUpModule():
     """Only run the module if we can import numpy."""
-    if numpy is None:
+    if IMPORT_NUMPY_FAILED:
         raise unittest.SkipTest("Skipping test_npsupport as numpy not installed.")
 
 
@@ -188,6 +191,20 @@ def test_VT_I4_ndarray(self):
         self.assertTrue((arr == in_arr).all())
         self.assertEqual(SafeArrayGetVartype(sa), VT_I4)
 
+    @enabled_disabled(disabled_error=ValueError)
+    def test_VT_I8_ndarray(self):
+        t = _midlSAFEARRAY(c_longlong)
+
+        in_arr = numpy.array([11, 22, 33], dtype=numpy.int64)
+        sa = t.from_param(in_arr)
+
+        arr = get_ndarray(sa)
+
+        self.assertTrue(isinstance(arr, numpy.ndarray))
+        self.assertEqual(numpy.dtype(int), arr.dtype)
+        self.assertTrue((arr == in_arr).all())
+        self.assertEqual(SafeArrayGetVartype(sa), VT_I8)
+
     @enabled_disabled(disabled_error=ValueError)
     def test_array(self):
         t = _midlSAFEARRAY(c_double)