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author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
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committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /util/memory/blob_ut.pyx | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'util/memory/blob_ut.pyx')
-rw-r--r-- | util/memory/blob_ut.pyx | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/util/memory/blob_ut.pyx b/util/memory/blob_ut.pyx new file mode 100644 index 0000000000..2332e6fa20 --- /dev/null +++ b/util/memory/blob_ut.pyx @@ -0,0 +1,141 @@ +# cython: c_string_type=str, c_string_encoding=utf8 + +from libcpp.string cimport string as std_string +from util.generic.string cimport TString +from util.memory.blob cimport TBlob + +import pytest +import unittest + + +class TestBlob(unittest.TestCase): + def test_ctor(self): + cdef TBlob tmp = TBlob() + cdef TBlob tmp2 = TBlob(tmp) + self.assertEquals(tmp.Size(), 0) + self.assertEquals(tmp2.Size(), 0) + + def test_empty_data(self): + cdef TBlob tmp = TBlob() + self.assertEquals(tmp.Data() == NULL, True) + self.assertEquals(tmp.AsCharPtr() == NULL, True) + self.assertEquals(tmp.AsUnsignedCharPtr() == NULL, True) + self.assertEquals(tmp.Empty(), True) + self.assertEquals(tmp.IsNull(), True) + + def test_empty_is_null(self): + cdef TBlob tmp = TBlob.NoCopy("", 0) + self.assertEquals(tmp.Empty(), True) + self.assertEquals(tmp.IsNull(), False) + + def test_data_types(self): + cdef const char* char_data = TBlob().AsCharPtr() + cdef const unsigned char* uchar_data = TBlob().AsUnsignedCharPtr() + cdef const void* void_data = TBlob().Data() + + def test_no_copy(self): + cdef const char* txt = "hello world" + cdef TBlob tmp = TBlob.NoCopy(txt, len(txt)) + self.assertEquals(tmp.AsCharPtr() - txt, 0) + self.assertEquals(tmp.Size(), 11) + self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world") + self.assertEquals(tmp.Empty(), False) + self.assertEquals(tmp.IsNull(), False) + + def test_copy(self): + cdef const char* txt = "hello world" + cdef TBlob tmp = TBlob.Copy(txt, len(txt)) + self.assertNotEquals(tmp.AsCharPtr() - txt, 0) + self.assertEquals(tmp.Size(), 11) + self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world") + self.assertEquals(tmp.Empty(), False) + self.assertEquals(tmp.IsNull(), False) + + def test_from_string(self): + cdef TBlob tmp = TBlob.FromString(TString("hello world")) + self.assertEquals(tmp.Size(), 11) + self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world") + self.assertEquals(tmp.Empty(), False) + self.assertEquals(tmp.IsNull(), False) + + def test_from_file(self): + with open("file", "w") as f: + f.write("hello world") + cdef TBlob tmp = TBlob.FromFile("file") + self.assertEquals(tmp.Size(), 11) + self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world") + self.assertEquals(tmp.Empty(), False) + self.assertEquals(tmp.IsNull(), False) + + def test_precharged_from_file(self): + with open("precharged", "w") as f: + f.write("hello world") + cdef TBlob tmp = TBlob.PrechargedFromFile("precharged") + self.assertEquals(tmp.Size(), 11) + self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world") + self.assertEquals(tmp.Empty(), False) + self.assertEquals(tmp.IsNull(), False) + + def test_swap_drop(self): + cdef TBlob tmp = TBlob.NoCopy("hello world", 11) + cdef TBlob tmp2 + tmp2.Swap(tmp) + self.assertEquals(tmp2.Size(), 11) + self.assertEquals(tmp.Size(), 0) + self.assertEquals(tmp2.AsCharPtr()[:tmp2.Size()], "hello world") + tmp2.Swap(tmp) + self.assertEquals(tmp2.Size(), 0) + self.assertEquals(tmp.Size(), 11) + tmp.Drop() + self.assertEquals(tmp.Size(), 0) + + def test_operator_brackets(self): + cdef TBlob tmp = TBlob.NoCopy("hello world", 11) + self.assertEquals(tmp[0], ord('h')) + self.assertEquals(tmp[1], ord('e')) + self.assertEquals(tmp[2], ord('l')) + self.assertEquals(tmp[3], ord('l')) + self.assertEquals(tmp[4], ord('o')) + self.assertEquals(tmp[5], ord(' ')) + self.assertEquals(tmp[6], ord('w')) + self.assertEquals(tmp[7], ord('o')) + self.assertEquals(tmp[8], ord('r')) + self.assertEquals(tmp[9], ord('l')) + self.assertEquals(tmp[10], ord('d')) + + def test_operator_equal(self): + cdef TBlob foo = TBlob.NoCopy("foo", 3) + cdef TBlob bar = TBlob.NoCopy("bar", 3) + self.assertEquals(foo.AsCharPtr(), "foo") + self.assertEquals(bar.AsCharPtr(), "bar") + bar = foo + self.assertEquals(foo.AsCharPtr(), "foo") + self.assertEquals(bar.AsCharPtr(), "foo") + + def test_sub_blob(self): + cdef TBlob tmp = TBlob.NoCopy("hello world", 11) + self.assertEquals(tmp.SubBlob(0).Size(), 0) + self.assertEquals(tmp.SubBlob(1).Size(), 1) + self.assertEquals(tmp.SubBlob(5).Size(), 5) + self.assertEquals(tmp.AsCharPtr() - tmp.SubBlob(0).AsCharPtr(), 0) + + self.assertEquals(tmp.SubBlob(0, 0).Size(), 0) + self.assertEquals(tmp.SubBlob(0, 1).Size(), 1) + self.assertEquals(tmp.SubBlob(0, 5).Size(), 5) + self.assertEquals(tmp.AsCharPtr() - tmp.SubBlob(0, 0).AsCharPtr(), 0) + + self.assertEquals(tmp.SubBlob(1, 1).Size(), 0) + self.assertEquals(tmp.SubBlob(1, 2).Size(), 1) + self.assertEquals(tmp.SubBlob(1, 6).Size(), 5) + self.assertEquals(tmp.SubBlob(1, 1).AsCharPtr() - tmp.AsCharPtr(), 1) + + with self.assertRaises(Exception): + tmp.SubBlob(2, 1) + + def test_deep_copy(self): + cdef TBlob tmp = TBlob.NoCopy("hello world", 11) + cdef TBlob tmp2 = tmp.DeepCopy() + self.assertEquals(tmp.AsCharPtr()[:tmp.Size()], "hello world") + self.assertEquals(tmp2.AsCharPtr()[:tmp2.Size()], "hello world") + self.assertNotEquals(tmp2.AsCharPtr() - tmp.AsCharPtr(), 0) + |