Convert test_types to unittest.
This commit is contained in:
Georg Brandl
parent
850b2be67e
commit
bd0fb14e51
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@ -1,15 +0,0 @@
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test_types
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6. Built-in types
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6.1 Truth value testing
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6.2 Boolean operations
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6.3 Comparisons
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6.4 Numeric types (mostly conversions)
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6.4.1 32-bit integers
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6.4.2 Long integers
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6.4.3 Floating point numbers
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6.5 Sequence types
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6.5.1 Strings
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6.5.2 Tuples [see test_tuple.py]
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6.5.3 Lists [see test_list.py]
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6.6 Mappings == Dictionaries [see test_dict.py]
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Buffers
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@ -1,286 +1,273 @@
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# Python test set -- part 6, built-in types
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from test.test_support import *
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print '6. Built-in types'
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print '6.1 Truth value testing'
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if None: raise TestFailed, 'None is true instead of false'
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if 0: raise TestFailed, '0 is true instead of false'
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if 0L: raise TestFailed, '0L is true instead of false'
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if 0.0: raise TestFailed, '0.0 is true instead of false'
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if '': raise TestFailed, '\'\' is true instead of false'
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if not 1: raise TestFailed, '1 is false instead of true'
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if not 1L: raise TestFailed, '1L is false instead of true'
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if not 1.0: raise TestFailed, '1.0 is false instead of true'
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if not 'x': raise TestFailed, '\'x\' is false instead of true'
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if not {'x': 1}: raise TestFailed, '{\'x\': 1} is false instead of true'
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def f(): pass
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class C: pass
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from test.test_support import run_unittest, have_unicode
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import unittest
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import sys
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x = C()
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if not f: raise TestFailed, 'f is false instead of true'
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if not C: raise TestFailed, 'C is false instead of true'
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if not sys: raise TestFailed, 'sys is false instead of true'
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if not x: raise TestFailed, 'x is false instead of true'
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print '6.2 Boolean operations'
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if 0 or 0: raise TestFailed, '0 or 0 is true instead of false'
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if 1 and 1: pass
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else: raise TestFailed, '1 and 1 is false instead of true'
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if not 1: raise TestFailed, 'not 1 is true instead of false'
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class TypesTests(unittest.TestCase):
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print '6.3 Comparisons'
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if 0 < 1 <= 1 == 1 >= 1 > 0 != 1: pass
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else: raise TestFailed, 'int comparisons failed'
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if 0L < 1L <= 1L == 1L >= 1L > 0L != 1L: pass
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else: raise TestFailed, 'long int comparisons failed'
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if 0.0 < 1.0 <= 1.0 == 1.0 >= 1.0 > 0.0 != 1.0: pass
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else: raise TestFailed, 'float comparisons failed'
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if '' < 'a' <= 'a' == 'a' < 'abc' < 'abd' < 'b': pass
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else: raise TestFailed, 'string comparisons failed'
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if None is None: pass
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else: raise TestFailed, 'identity test failed'
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def test_truth_values(self):
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if None: self.fail('None is true instead of false')
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if 0: self.fail('0 is true instead of false')
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if 0L: self.fail('0L is true instead of false')
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if 0.0: self.fail('0.0 is true instead of false')
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if '': self.fail('\'\' is true instead of false')
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if not 1: self.fail('1 is false instead of true')
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if not 1L: self.fail('1L is false instead of true')
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if not 1.0: self.fail('1.0 is false instead of true')
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if not 'x': self.fail('\'x\' is false instead of true')
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if not {'x': 1}: self.fail('{\'x\': 1} is false instead of true')
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def f(): pass
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class C: pass
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import sys
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x = C()
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if not f: self.fail('f is false instead of true')
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if not C: self.fail('C is false instead of true')
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if not sys: self.fail('sys is false instead of true')
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if not x: self.fail('x is false instead of true')
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try: float('')
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except ValueError: pass
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else: raise TestFailed, "float('') didn't raise ValueError"
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def test_boolean_ops(self):
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if 0 or 0: self.fail('0 or 0 is true instead of false')
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if 1 and 1: pass
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else: self.fail('1 and 1 is false instead of true')
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if not 1: self.fail('not 1 is true instead of false')
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try: float('5\0')
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except ValueError: pass
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else: raise TestFailed, "float('5\0') didn't raise ValueError"
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def test_comparisons(self):
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if 0 < 1 <= 1 == 1 >= 1 > 0 != 1: pass
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else: self.fail('int comparisons failed')
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if 0L < 1L <= 1L == 1L >= 1L > 0L != 1L: pass
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else: self.fail('long int comparisons failed')
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if 0.0 < 1.0 <= 1.0 == 1.0 >= 1.0 > 0.0 != 1.0: pass
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else: self.fail('float comparisons failed')
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if '' < 'a' <= 'a' == 'a' < 'abc' < 'abd' < 'b': pass
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else: self.fail('string comparisons failed')
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if None is None: pass
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else: self.fail('identity test failed')
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try: 5.0 / 0.0
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except ZeroDivisionError: pass
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else: raise TestFailed, "5.0 / 0.0 didn't raise ZeroDivisionError"
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def test_float_constructor(self):
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self.assertRaises(ValueError, float, '')
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self.assertRaises(ValueError, float, '5\0')
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try: 5.0 // 0.0
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except ZeroDivisionError: pass
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else: raise TestFailed, "5.0 // 0.0 didn't raise ZeroDivisionError"
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def test_zero_division(self):
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try: 5.0 / 0.0
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except ZeroDivisionError: pass
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else: self.fail("5.0 / 0.0 didn't raise ZeroDivisionError")
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try: 5.0 % 0.0
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except ZeroDivisionError: pass
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else: raise TestFailed, "5.0 % 0.0 didn't raise ZeroDivisionError"
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try: 5.0 // 0.0
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except ZeroDivisionError: pass
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else: self.fail("5.0 // 0.0 didn't raise ZeroDivisionError")
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try: 5 / 0L
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except ZeroDivisionError: pass
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else: raise TestFailed, "5 / 0L didn't raise ZeroDivisionError"
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try: 5.0 % 0.0
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except ZeroDivisionError: pass
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else: self.fail("5.0 % 0.0 didn't raise ZeroDivisionError")
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try: 5 // 0L
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except ZeroDivisionError: pass
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else: raise TestFailed, "5 // 0L didn't raise ZeroDivisionError"
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try: 5 / 0L
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except ZeroDivisionError: pass
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else: self.fail("5 / 0L didn't raise ZeroDivisionError")
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try: 5 % 0L
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except ZeroDivisionError: pass
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else: raise TestFailed, "5 % 0L didn't raise ZeroDivisionError"
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try: 5 // 0L
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except ZeroDivisionError: pass
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else: self.fail("5 // 0L didn't raise ZeroDivisionError")
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print '6.4 Numeric types (mostly conversions)'
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if 0 != 0L or 0 != 0.0 or 0L != 0.0: raise TestFailed, 'mixed comparisons'
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if 1 != 1L or 1 != 1.0 or 1L != 1.0: raise TestFailed, 'mixed comparisons'
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if -1 != -1L or -1 != -1.0 or -1L != -1.0:
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raise TestFailed, 'int/long/float value not equal'
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# calling built-in types without argument must return 0
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if int() != 0: raise TestFailed, 'int() does not return 0'
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if long() != 0L: raise TestFailed, 'long() does not return 0L'
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if float() != 0.0: raise TestFailed, 'float() does not return 0.0'
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if int(1.9) == 1 == int(1.1) and int(-1.1) == -1 == int(-1.9): pass
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else: raise TestFailed, 'int() does not round properly'
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if long(1.9) == 1L == long(1.1) and long(-1.1) == -1L == long(-1.9): pass
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else: raise TestFailed, 'long() does not round properly'
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if float(1) == 1.0 and float(-1) == -1.0 and float(0) == 0.0: pass
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else: raise TestFailed, 'float() does not work properly'
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print '6.4.1 32-bit integers'
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# Ensure the first 256 integers are shared
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a = 256
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b = 128*2
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if a is not b: raise TestFailed, '256 is not shared'
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if 12 + 24 != 36: raise TestFailed, 'int op'
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if 12 + (-24) != -12: raise TestFailed, 'int op'
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if (-12) + 24 != 12: raise TestFailed, 'int op'
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if (-12) + (-24) != -36: raise TestFailed, 'int op'
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if not 12 < 24: raise TestFailed, 'int op'
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if not -24 < -12: raise TestFailed, 'int op'
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# Test for a particular bug in integer multiply
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xsize, ysize, zsize = 238, 356, 4
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if not (xsize*ysize*zsize == zsize*xsize*ysize == 338912):
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raise TestFailed, 'int mul commutativity'
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# And another.
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m = -sys.maxint - 1
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for divisor in 1, 2, 4, 8, 16, 32:
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j = m // divisor
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prod = divisor * j
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if prod != m:
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raise TestFailed, "%r * %r == %r != %r" % (divisor, j, prod, m)
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if type(prod) is not int:
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raise TestFailed, ("expected type(prod) to be int, not %r" %
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type(prod))
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# Check for expected * overflow to long.
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for divisor in 1, 2, 4, 8, 16, 32:
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j = m // divisor - 1
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prod = divisor * j
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if type(prod) is not long:
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raise TestFailed, ("expected type(%r) to be long, not %r" %
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(prod, type(prod)))
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# Check for expected * overflow to long.
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m = sys.maxint
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for divisor in 1, 2, 4, 8, 16, 32:
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j = m // divisor + 1
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prod = divisor * j
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if type(prod) is not long:
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raise TestFailed, ("expected type(%r) to be long, not %r" %
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(prod, type(prod)))
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try: 5 % 0L
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except ZeroDivisionError: pass
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else: self.fail("5 % 0L didn't raise ZeroDivisionError")
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print '6.4.2 Long integers'
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if 12L + 24L != 36L: raise TestFailed, 'long op'
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if 12L + (-24L) != -12L: raise TestFailed, 'long op'
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if (-12L) + 24L != 12L: raise TestFailed, 'long op'
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if (-12L) + (-24L) != -36L: raise TestFailed, 'long op'
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if not 12L < 24L: raise TestFailed, 'long op'
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if not -24L < -12L: raise TestFailed, 'long op'
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x = sys.maxint
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if int(long(x)) != x: raise TestFailed, 'long op'
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try: y = int(long(x)+1L)
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except OverflowError: raise TestFailed, 'long op'
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if not isinstance(y, long): raise TestFailed, 'long op'
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x = -x
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if int(long(x)) != x: raise TestFailed, 'long op'
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x = x-1
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if int(long(x)) != x: raise TestFailed, 'long op'
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try: y = int(long(x)-1L)
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except OverflowError: raise TestFailed, 'long op'
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if not isinstance(y, long): raise TestFailed, 'long op'
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def test_numeric_types(self):
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if 0 != 0L or 0 != 0.0 or 0L != 0.0: self.fail('mixed comparisons')
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if 1 != 1L or 1 != 1.0 or 1L != 1.0: self.fail('mixed comparisons')
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if -1 != -1L or -1 != -1.0 or -1L != -1.0:
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self.fail('int/long/float value not equal')
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# calling built-in types without argument must return 0
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if int() != 0: self.fail('int() does not return 0')
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if long() != 0L: self.fail('long() does not return 0L')
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if float() != 0.0: self.fail('float() does not return 0.0')
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if int(1.9) == 1 == int(1.1) and int(-1.1) == -1 == int(-1.9): pass
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else: self.fail('int() does not round properly')
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if long(1.9) == 1L == long(1.1) and long(-1.1) == -1L == long(-1.9): pass
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else: self.fail('long() does not round properly')
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if float(1) == 1.0 and float(-1) == -1.0 and float(0) == 0.0: pass
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else: self.fail('float() does not work properly')
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try: 5 << -5
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except ValueError: pass
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else: raise TestFailed, 'int negative shift <<'
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def test_normal_integers(self):
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# Ensure the first 256 integers are shared
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a = 256
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b = 128*2
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if a is not b: self.fail('256 is not shared')
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if 12 + 24 != 36: self.fail('int op')
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if 12 + (-24) != -12: self.fail('int op')
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if (-12) + 24 != 12: self.fail('int op')
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if (-12) + (-24) != -36: self.fail('int op')
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if not 12 < 24: self.fail('int op')
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if not -24 < -12: self.fail('int op')
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# Test for a particular bug in integer multiply
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xsize, ysize, zsize = 238, 356, 4
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if not (xsize*ysize*zsize == zsize*xsize*ysize == 338912):
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self.fail('int mul commutativity')
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# And another.
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m = -sys.maxint - 1
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for divisor in 1, 2, 4, 8, 16, 32:
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j = m // divisor
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prod = divisor * j
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if prod != m:
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self.fail("%r * %r == %r != %r" % (divisor, j, prod, m))
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if type(prod) is not int:
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self.fail("expected type(prod) to be int, not %r" %
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type(prod))
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# Check for expected * overflow to long.
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for divisor in 1, 2, 4, 8, 16, 32:
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j = m // divisor - 1
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prod = divisor * j
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if type(prod) is not long:
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self.fail("expected type(%r) to be long, not %r" %
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(prod, type(prod)))
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# Check for expected * overflow to long.
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m = sys.maxint
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for divisor in 1, 2, 4, 8, 16, 32:
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j = m // divisor + 1
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prod = divisor * j
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if type(prod) is not long:
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self.fail("expected type(%r) to be long, not %r" %
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(prod, type(prod)))
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try: 5L << -5L
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except ValueError: pass
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else: raise TestFailed, 'long negative shift <<'
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def test_long_integers(self):
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if 12L + 24L != 36L: self.fail('long op')
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if 12L + (-24L) != -12L: self.fail('long op')
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if (-12L) + 24L != 12L: self.fail('long op')
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if (-12L) + (-24L) != -36L: self.fail('long op')
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if not 12L < 24L: self.fail('long op')
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if not -24L < -12L: self.fail('long op')
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x = sys.maxint
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if int(long(x)) != x: self.fail('long op')
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try: y = int(long(x)+1L)
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except OverflowError: self.fail('long op')
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if not isinstance(y, long): self.fail('long op')
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x = -x
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if int(long(x)) != x: self.fail('long op')
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x = x-1
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if int(long(x)) != x: self.fail('long op')
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try: y = int(long(x)-1L)
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except OverflowError: self.fail('long op')
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if not isinstance(y, long): self.fail('long op')
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try: 5 >> -5
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except ValueError: pass
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else: raise TestFailed, 'int negative shift >>'
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try: 5 << -5
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except ValueError: pass
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else: self.fail('int negative shift <<')
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try: 5L >> -5L
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except ValueError: pass
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else: raise TestFailed, 'long negative shift >>'
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try: 5L << -5L
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except ValueError: pass
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else: self.fail('long negative shift <<')
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print '6.4.3 Floating point numbers'
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if 12.0 + 24.0 != 36.0: raise TestFailed, 'float op'
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if 12.0 + (-24.0) != -12.0: raise TestFailed, 'float op'
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if (-12.0) + 24.0 != 12.0: raise TestFailed, 'float op'
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if (-12.0) + (-24.0) != -36.0: raise TestFailed, 'float op'
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if not 12.0 < 24.0: raise TestFailed, 'float op'
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if not -24.0 < -12.0: raise TestFailed, 'float op'
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try: 5 >> -5
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except ValueError: pass
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else: self.fail('int negative shift >>')
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print '6.5 Sequence types'
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try: 5L >> -5L
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except ValueError: pass
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else: self.fail('long negative shift >>')
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print '6.5.1 Strings'
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if len('') != 0: raise TestFailed, 'len(\'\')'
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if len('a') != 1: raise TestFailed, 'len(\'a\')'
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if len('abcdef') != 6: raise TestFailed, 'len(\'abcdef\')'
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if 'xyz' + 'abcde' != 'xyzabcde': raise TestFailed, 'string concatenation'
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if 'xyz'*3 != 'xyzxyzxyz': raise TestFailed, 'string repetition *3'
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if 0*'abcde' != '': raise TestFailed, 'string repetition 0*'
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if min('abc') != 'a' or max('abc') != 'c': raise TestFailed, 'min/max string'
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if 'a' in 'abc' and 'b' in 'abc' and 'c' in 'abc' and 'd' not in 'abc': pass
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else: raise TestFailed, 'in/not in string'
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x = 'x'*103
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if '%s!'%x != x+'!': raise TestFailed, 'nasty string formatting bug'
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def test_floats(self):
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if 12.0 + 24.0 != 36.0: self.fail('float op')
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if 12.0 + (-24.0) != -12.0: self.fail('float op')
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if (-12.0) + 24.0 != 12.0: self.fail('float op')
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if (-12.0) + (-24.0) != -36.0: self.fail('float op')
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if not 12.0 < 24.0: self.fail('float op')
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if not -24.0 < -12.0: self.fail('float op')
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#extended slices for strings
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a = '0123456789'
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vereq(a[::], a)
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vereq(a[::2], '02468')
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vereq(a[1::2], '13579')
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vereq(a[::-1],'9876543210')
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vereq(a[::-2], '97531')
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vereq(a[3::-2], '31')
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vereq(a[-100:100:], a)
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vereq(a[100:-100:-1], a[::-1])
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vereq(a[-100L:100L:2L], '02468')
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def test_strings(self):
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if len('') != 0: self.fail('len(\'\')')
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if len('a') != 1: self.fail('len(\'a\')')
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if len('abcdef') != 6: self.fail('len(\'abcdef\')')
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if 'xyz' + 'abcde' != 'xyzabcde': self.fail('string concatenation')
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if 'xyz'*3 != 'xyzxyzxyz': self.fail('string repetition *3')
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if 0*'abcde' != '': self.fail('string repetition 0*')
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if min('abc') != 'a' or max('abc') != 'c': self.fail('min/max string')
|
||||
if 'a' in 'abc' and 'b' in 'abc' and 'c' in 'abc' and 'd' not in 'abc': pass
|
||||
else: self.fail('in/not in string')
|
||||
x = 'x'*103
|
||||
if '%s!'%x != x+'!': self.fail('nasty string formatting bug')
|
||||
|
||||
if have_unicode:
|
||||
a = unicode('0123456789', 'ascii')
|
||||
vereq(a[::], a)
|
||||
vereq(a[::2], unicode('02468', 'ascii'))
|
||||
vereq(a[1::2], unicode('13579', 'ascii'))
|
||||
vereq(a[::-1], unicode('9876543210', 'ascii'))
|
||||
vereq(a[::-2], unicode('97531', 'ascii'))
|
||||
vereq(a[3::-2], unicode('31', 'ascii'))
|
||||
vereq(a[-100:100:], a)
|
||||
vereq(a[100:-100:-1], a[::-1])
|
||||
vereq(a[-100L:100L:2L], unicode('02468', 'ascii'))
|
||||
#extended slices for strings
|
||||
a = '0123456789'
|
||||
self.assertEqual(a[::], a)
|
||||
self.assertEqual(a[::2], '02468')
|
||||
self.assertEqual(a[1::2], '13579')
|
||||
self.assertEqual(a[::-1],'9876543210')
|
||||
self.assertEqual(a[::-2], '97531')
|
||||
self.assertEqual(a[3::-2], '31')
|
||||
self.assertEqual(a[-100:100:], a)
|
||||
self.assertEqual(a[100:-100:-1], a[::-1])
|
||||
self.assertEqual(a[-100L:100L:2L], '02468')
|
||||
|
||||
if have_unicode:
|
||||
a = unicode('0123456789', 'ascii')
|
||||
self.assertEqual(a[::], a)
|
||||
self.assertEqual(a[::2], unicode('02468', 'ascii'))
|
||||
self.assertEqual(a[1::2], unicode('13579', 'ascii'))
|
||||
self.assertEqual(a[::-1], unicode('9876543210', 'ascii'))
|
||||
self.assertEqual(a[::-2], unicode('97531', 'ascii'))
|
||||
self.assertEqual(a[3::-2], unicode('31', 'ascii'))
|
||||
self.assertEqual(a[-100:100:], a)
|
||||
self.assertEqual(a[100:-100:-1], a[::-1])
|
||||
self.assertEqual(a[-100L:100L:2L], unicode('02468', 'ascii'))
|
||||
|
||||
|
||||
print '6.5.2 Tuples [see test_tuple.py]'
|
||||
def test_type_function(self):
|
||||
self.assertRaises(TypeError, type, 1, 2)
|
||||
self.assertRaises(TypeError, type, 1, 2, 3, 4)
|
||||
|
||||
print '6.5.3 Lists [see test_list.py]'
|
||||
def test_buffers(self):
|
||||
self.assertRaises(ValueError, buffer, 'asdf', -1)
|
||||
cmp(buffer("abc"), buffer("def")) # used to raise a warning: tp_compare didn't return -1, 0, or 1
|
||||
|
||||
print '6.6 Mappings == Dictionaries [see test_dict.py]'
|
||||
self.assertRaises(TypeError, buffer, None)
|
||||
|
||||
a = buffer('asdf')
|
||||
hash(a)
|
||||
b = a * 5
|
||||
if a == b:
|
||||
self.fail('buffers should not be equal')
|
||||
if str(b) != ('asdf' * 5):
|
||||
self.fail('repeated buffer has wrong content')
|
||||
if str(a * 0) != '':
|
||||
self.fail('repeated buffer zero times has wrong content')
|
||||
if str(a + buffer('def')) != 'asdfdef':
|
||||
self.fail('concatenation of buffers yields wrong content')
|
||||
if str(buffer(a)) != 'asdf':
|
||||
self.fail('composing buffers failed')
|
||||
if str(buffer(a, 2)) != 'df':
|
||||
self.fail('specifying buffer offset failed')
|
||||
if str(buffer(a, 0, 2)) != 'as':
|
||||
self.fail('specifying buffer size failed')
|
||||
if str(buffer(a, 1, 2)) != 'sd':
|
||||
self.fail('specifying buffer offset and size failed')
|
||||
self.assertRaises(ValueError, buffer, buffer('asdf', 1), -1)
|
||||
if str(buffer(buffer('asdf', 0, 2), 0)) != 'as':
|
||||
self.fail('composing length-specified buffer failed')
|
||||
if str(buffer(buffer('asdf', 0, 2), 0, 5000)) != 'as':
|
||||
self.fail('composing length-specified buffer failed')
|
||||
if str(buffer(buffer('asdf', 0, 2), 0, -1)) != 'as':
|
||||
self.fail('composing length-specified buffer failed')
|
||||
if str(buffer(buffer('asdf', 0, 2), 1, 2)) != 's':
|
||||
self.fail('composing length-specified buffer failed')
|
||||
|
||||
try: type(1, 2)
|
||||
except TypeError: pass
|
||||
else: raise TestFailed, 'type(), w/2 args expected TypeError'
|
||||
try: a[1] = 'g'
|
||||
except TypeError: pass
|
||||
else: self.fail("buffer assignment should raise TypeError")
|
||||
|
||||
try: type(1, 2, 3, 4)
|
||||
except TypeError: pass
|
||||
else: raise TestFailed, 'type(), w/4 args expected TypeError'
|
||||
try: a[0:1] = 'g'
|
||||
except TypeError: pass
|
||||
else: self.fail("buffer slice assignment should raise TypeError")
|
||||
|
||||
print 'Buffers'
|
||||
try: buffer('asdf', -1)
|
||||
except ValueError: pass
|
||||
else: raise TestFailed, "buffer('asdf', -1) should raise ValueError"
|
||||
cmp(buffer("abc"), buffer("def")) # used to raise a warning: tp_compare didn't return -1, 0, or 1
|
||||
# array.array() returns an object that does not implement a char buffer,
|
||||
# something which int() uses for conversion.
|
||||
import array
|
||||
try: int(buffer(array.array('c')))
|
||||
except TypeError: pass
|
||||
else: self.fail("char buffer (at C level) not working")
|
||||
|
||||
try: buffer(None)
|
||||
except TypeError: pass
|
||||
else: raise TestFailed, "buffer(None) should raise TypeError"
|
||||
def test_main():
|
||||
run_unittest(TypesTests)
|
||||
|
||||
a = buffer('asdf')
|
||||
hash(a)
|
||||
b = a * 5
|
||||
if a == b:
|
||||
raise TestFailed, 'buffers should not be equal'
|
||||
if str(b) != ('asdf' * 5):
|
||||
raise TestFailed, 'repeated buffer has wrong content'
|
||||
if str(a * 0) != '':
|
||||
raise TestFailed, 'repeated buffer zero times has wrong content'
|
||||
if str(a + buffer('def')) != 'asdfdef':
|
||||
raise TestFailed, 'concatenation of buffers yields wrong content'
|
||||
if str(buffer(a)) != 'asdf':
|
||||
raise TestFailed, 'composing buffers failed'
|
||||
if str(buffer(a, 2)) != 'df':
|
||||
raise TestFailed, 'specifying buffer offset failed'
|
||||
if str(buffer(a, 0, 2)) != 'as':
|
||||
raise TestFailed, 'specifying buffer size failed'
|
||||
if str(buffer(a, 1, 2)) != 'sd':
|
||||
raise TestFailed, 'specifying buffer offset and size failed'
|
||||
try: buffer(buffer('asdf', 1), -1)
|
||||
except ValueError: pass
|
||||
else: raise TestFailed, "buffer(buffer('asdf', 1), -1) should raise ValueError"
|
||||
if str(buffer(buffer('asdf', 0, 2), 0)) != 'as':
|
||||
raise TestFailed, 'composing length-specified buffer failed'
|
||||
if str(buffer(buffer('asdf', 0, 2), 0, 5000)) != 'as':
|
||||
raise TestFailed, 'composing length-specified buffer failed'
|
||||
if str(buffer(buffer('asdf', 0, 2), 0, -1)) != 'as':
|
||||
raise TestFailed, 'composing length-specified buffer failed'
|
||||
if str(buffer(buffer('asdf', 0, 2), 1, 2)) != 's':
|
||||
raise TestFailed, 'composing length-specified buffer failed'
|
||||
|
||||
try: a[1] = 'g'
|
||||
except TypeError: pass
|
||||
else: raise TestFailed, "buffer assignment should raise TypeError"
|
||||
|
||||
try: a[0:1] = 'g'
|
||||
except TypeError: pass
|
||||
else: raise TestFailed, "buffer slice assignment should raise TypeError"
|
||||
|
||||
# array.array() returns an object that does not implement a char buffer,
|
||||
# something which int() uses for conversion.
|
||||
import array
|
||||
try: int(buffer(array.array('c')))
|
||||
except TypeError :pass
|
||||
else: raise TestFailed, "char buffer (at C level) not working"
|
||||
if __name__ == '__main__':
|
||||
test_main()
|
||||
|
|
|
|||
Loading…
Reference in New Issue