added memoryviewslice attribute/method testcases.

tests/run/memoryviewattrs.pyx

+u'''
+>>> test_is_contiguous()
+1 1
+0 1
+1 0
+1 0
+<BLANKLINE>
+0 1
+1 0
+>>> call()
+1000 2000 3000
+1000
+2000 3000
+3000
+1 1 1000
+>>> two_dee()
+1 2 3 4
+-4 -4
+1 2 3 -4
+1 2 3 -4
+>>> fort_two_dee()
+1 2 3 4
+-4 -4
+1 2 3 -4
+1 3 2 -4
+1 2 3 -4
+>>> test_nonecheck1()
+Traceback (most recent call last):
+  ...
+AttributeError: 'NoneType' object has no attribute 'is_c_contig'
+>>> test_nonecheck2()
+Traceback (most recent call last):
+  ...
+AttributeError: 'NoneType' object has no attribute 'is_f_contig'
+>>> test_nonecheck3()
+Traceback (most recent call last):
+  ...
+AttributeError: 'NoneType' object has no attribute 'copy'
+>>> test_nonecheck4()
+Traceback (most recent call last):
+  ...
+AttributeError: 'NoneType' object has no attribute 'copy_fortran'
+>>> test_nonecheck5()
+Traceback (most recent call last):
+  ...
+AttributeError: 'NoneType' object has no attribute '_data'
+'''
+
+# from cython.view cimport memoryview
+cimport cython
+from cython cimport array
+
+@cython.nonecheck(True)
+def test_nonecheck1():
+    cdef int[:,:,:] uninitialized
+    print uninitialized.is_c_contig()
+
+@cython.nonecheck(True)
+def test_nonecheck2():
+    cdef int[:,:,:] uninitialized
+    print uninitialized.is_f_contig()
+
+@cython.nonecheck(True)
+def test_nonecheck3():
+    cdef int[:,:,:] uninitialized
+    uninitialized.copy()
+
+@cython.nonecheck(True)
+def test_nonecheck4():
+    cdef int[:,:,:] uninitialized
+    uninitialized.copy_fortran()
+
+@cython.nonecheck(True)
+def test_nonecheck5():
+    cdef int[:,:,:] uninitialized
+    uninitialized._data
+
+def test_is_contiguous():
+    cdef int[::1, :, :] fort_contig = array((1,1,1), sizeof(int), 'i', mode='fortran')
+    print fort_contig.is_c_contig() , fort_contig.is_f_contig()
+    fort_contig = array((200,100,100), sizeof(int), 'i', mode='fortran')
+    print fort_contig.is_c_contig(), fort_contig.is_f_contig()
+    fort_contig = fort_contig.copy()
+    print fort_contig.is_c_contig(), fort_contig.is_f_contig()
+    cdef int[:,:,:] strided = fort_contig
+    print strided.is_c_contig(), strided.is_f_contig()
+    print 
+    fort_contig = fort_contig.copy_fortran()
+    print fort_contig.is_c_contig(), fort_contig.is_f_contig()
+    print strided.is_c_contig(), strided.is_f_contig()
+
+
+def call():
+    cdef int[::1] mv1, mv2, mv3
+    cdef array arr = array((3,), sizeof(int), 'i')
+    mv1 = arr
+    cdef int *data
+    data = <int*>arr.data
+    data[0] = 1000
+    data[1] = 2000
+    data[2] = 3000
+
+    print (<int*>mv1._data)[0] , (<int*>mv1._data)[1] , (<int*>mv1._data)[2]
+
+    mv2 = mv1.copy()
+
+    print (<int*>mv2._data)[0]
+
+
+    print (<int*>mv2._data)[1] , (<int*>mv2._data)[2]
+
+    mv3 = mv2
+
+    cdef int *mv3_data = <int*>mv3._data
+
+    print (<int*>mv1._data)[2]
+
+    mv3_data[0] = 1
+
+    print (<int*>mv3._data)[0] , (<int*>mv2._data)[0] , (<int*>mv1._data)[0]
+
+def two_dee():
+    cdef long[:,::1] mv1, mv2, mv3
+    cdef array arr = array((2,2), sizeof(long), 'l')
+
+    cdef long *arr_data
+    arr_data = <long*>arr.data
+
+    mv1 = arr
+
+    arr_data[0] = 1
+    arr_data[1] = 2
+    arr_data[2] = 3
+    arr_data[3] = 4
+
+    print (<long*>mv1._data)[0] , (<long*>mv1._data)[1] , (<long*>mv1._data)[2] , (<long*>mv1._data)[3]
+
+    mv2 = mv1
+
+    arr_data = <long*>mv2._data
+
+    arr_data[3] = -4
+
+    print (<long*>mv2._data)[3] , (<long*>mv1._data)[3]
+
+    mv3 = mv2.copy()
+
+    print (<long*>mv2._data)[0] , (<long*>mv2._data)[1] , (<long*>mv2._data)[2] , (<long*>mv2._data)[3]
+
+    print (<long*>mv3._data)[0] , (<long*>mv3._data)[1] , (<long*>mv3._data)[2] , (<long*>mv3._data)[3]
+
+def fort_two_dee():
+    cdef array arr = array((2,2), sizeof(long), 'l', mode='fortran')
+    cdef long[::1,:] mv1, mv2, mv3
+
+    cdef long *arr_data
+    arr_data = <long*>arr.data
+
+    mv1 = arr
+
+    arr_data[0] = 1
+    arr_data[1] = 2
+    arr_data[2] = 3
+    arr_data[3] = 4
+
+    print (<long*>mv1._data)[0], (<long*>mv1._data)[1], (<long*>mv1._data)[2], (<long*>mv1._data)[3]
+
+    mv2 = mv1
+
+    arr_data = <long*>mv2._data
+
+    arr_data[3] = -4
+
+    print (<long*>mv2._data)[3], (<long*>mv1._data)[3]
+
+    mv3 = mv2.copy()
+
+    print (<long*>mv2._data)[0], (<long*>mv2._data)[1], (<long*>mv2._data)[2], (<long*>mv2._data)[3]
+
+    print (<long*>mv3._data)[0], (<long*>mv3._data)[1], (<long*>mv3._data)[2], (<long*>mv3._data)[3]
+
+    mv3 = mv3.copy_fortran()
+
+    print (<long*>mv3._data)[0], (<long*>mv3._data)[1], (<long*>mv3._data)[2], (<long*>mv3._data)[3]