72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
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from Cython.TestUtils import CythonTest
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import Cython.Compiler.Errors as Errors
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from Cython.Compiler.Nodes import *
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from Cython.Compiler.ParseTreeTransforms import *
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from Cython.Compiler.Buffer import *
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class TestMemviewParsing(CythonTest):
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def parse(self, s):
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return self.should_not_fail(lambda: self.fragment(s)).root
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def not_parseable(self, expected_error, s):
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e = self.should_fail(lambda: self.fragment(s), Errors.CompileError)
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self.assertEqual(expected_error, e.message_only)
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def test_default_1dim(self):
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self.parse(u"cdef int[:] x")
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self.parse(u"cdef short int[:] x")
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def test_default_ndim(self):
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self.parse(u"cdef int[:,:,:,:,:] x")
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self.parse(u"cdef unsigned long int[:,:,:,:,:] x")
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self.parse(u"cdef unsigned int[:,:,:,:,:] x")
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def test_zero_offset(self):
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self.parse(u"cdef long double[0:] x")
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self.parse(u"cdef int[0:] x")
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def test_zero_offset_ndim(self):
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self.parse(u"cdef int[0:,0:,0:,0:] x")
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def test_def_arg(self):
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self.parse(u"def foo(int[:,:] x): pass")
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def test_cdef_arg(self):
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self.parse(u"cdef foo(int[:,:] x): pass")
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def test_general_slice(self):
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self.parse(u'cdef float[::ptr, ::direct & contig, 0::full & strided] x')
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def test_non_slice_memview(self):
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self.not_parseable(u"An axis specification in memoryview declaration does not have a ':'.",
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u"cdef double[:foo, bar] x")
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self.not_parseable(u"An axis specification in memoryview declaration does not have a ':'.",
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u"cdef double[0:foo, bar] x")
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def test_basic(self):
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t = self.parse(u"cdef int[:] x")
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memv_node = t.stats[0].base_type
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self.assertTrue(isinstance(memv_node, MemoryViewSliceTypeNode))
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# we also test other similar declarations (buffers, anonymous C arrays)
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# since the parsing has to distinguish between them.
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def disable_test_no_buf_arg(self): # TODO
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self.not_parseable(u"Expected ']'",
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u"cdef extern foo(object[int, ndim=2])")
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def disable_test_parse_sizeof(self): # TODO
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self.parse(u"sizeof(int[NN])")
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self.parse(u"sizeof(int[])")
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self.parse(u"sizeof(int[][NN])")
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self.not_parseable(u"Expected an identifier or literal",
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u"sizeof(int[:NN])")
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self.not_parseable(u"Expected ']'",
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u"sizeof(foo[dtype=bar]")
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if __name__ == '__main__':
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import unittest
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unittest.main()
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