Guido van Rossum | 85f1820 | 1992-11-27 22:53:50 +0000 | [diff] [blame] | 1 | # Python test set -- part 6, built-in types |
| 2 | |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 3 | from test.support import run_unittest, run_with_locale |
Victor Stinner | 0db176f | 2012-04-16 00:16:30 +0200 | [diff] [blame] | 4 | import collections |
Eric Smith | b2c7af8 | 2008-04-30 02:12:09 +0000 | [diff] [blame] | 5 | import locale |
Victor Stinner | 0db176f | 2012-04-16 00:16:30 +0200 | [diff] [blame] | 6 | import sys |
| 7 | import types |
| 8 | import unittest |
Guido van Rossum | 85f1820 | 1992-11-27 22:53:50 +0000 | [diff] [blame] | 9 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 10 | class TypesTests(unittest.TestCase): |
Guido van Rossum | 85f1820 | 1992-11-27 22:53:50 +0000 | [diff] [blame] | 11 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 12 | def test_truth_values(self): |
| 13 | if None: self.fail('None is true instead of false') |
| 14 | if 0: self.fail('0 is true instead of false') |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 15 | if 0.0: self.fail('0.0 is true instead of false') |
| 16 | if '': self.fail('\'\' is true instead of false') |
| 17 | if not 1: self.fail('1 is false instead of true') |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 18 | if not 1.0: self.fail('1.0 is false instead of true') |
| 19 | if not 'x': self.fail('\'x\' is false instead of true') |
| 20 | if not {'x': 1}: self.fail('{\'x\': 1} is false instead of true') |
| 21 | def f(): pass |
| 22 | class C: pass |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 23 | x = C() |
| 24 | if not f: self.fail('f is false instead of true') |
| 25 | if not C: self.fail('C is false instead of true') |
| 26 | if not sys: self.fail('sys is false instead of true') |
| 27 | if not x: self.fail('x is false instead of true') |
Guido van Rossum | 85f1820 | 1992-11-27 22:53:50 +0000 | [diff] [blame] | 28 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 29 | def test_boolean_ops(self): |
| 30 | if 0 or 0: self.fail('0 or 0 is true instead of false') |
| 31 | if 1 and 1: pass |
| 32 | else: self.fail('1 and 1 is false instead of true') |
| 33 | if not 1: self.fail('not 1 is true instead of false') |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 34 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 35 | def test_comparisons(self): |
| 36 | if 0 < 1 <= 1 == 1 >= 1 > 0 != 1: pass |
| 37 | else: self.fail('int comparisons failed') |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 38 | if 0.0 < 1.0 <= 1.0 == 1.0 >= 1.0 > 0.0 != 1.0: pass |
| 39 | else: self.fail('float comparisons failed') |
| 40 | if '' < 'a' <= 'a' == 'a' < 'abc' < 'abd' < 'b': pass |
| 41 | else: self.fail('string comparisons failed') |
| 42 | if None is None: pass |
| 43 | else: self.fail('identity test failed') |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 44 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 45 | def test_float_constructor(self): |
| 46 | self.assertRaises(ValueError, float, '') |
| 47 | self.assertRaises(ValueError, float, '5\0') |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 48 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 49 | def test_zero_division(self): |
| 50 | try: 5.0 / 0.0 |
| 51 | except ZeroDivisionError: pass |
| 52 | else: self.fail("5.0 / 0.0 didn't raise ZeroDivisionError") |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 53 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 54 | try: 5.0 // 0.0 |
| 55 | except ZeroDivisionError: pass |
| 56 | else: self.fail("5.0 // 0.0 didn't raise ZeroDivisionError") |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 57 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 58 | try: 5.0 % 0.0 |
| 59 | except ZeroDivisionError: pass |
| 60 | else: self.fail("5.0 % 0.0 didn't raise ZeroDivisionError") |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 61 | |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 62 | try: 5 / 0 |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 63 | except ZeroDivisionError: pass |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 64 | else: self.fail("5 / 0 didn't raise ZeroDivisionError") |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 65 | |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 66 | try: 5 // 0 |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 67 | except ZeroDivisionError: pass |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 68 | else: self.fail("5 // 0 didn't raise ZeroDivisionError") |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 69 | |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 70 | try: 5 % 0 |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 71 | except ZeroDivisionError: pass |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 72 | else: self.fail("5 % 0 didn't raise ZeroDivisionError") |
Tim Peters | a3c01ce | 2001-12-04 23:05:10 +0000 | [diff] [blame] | 73 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 74 | def test_numeric_types(self): |
Mark Dickinson | 5c2db37 | 2009-12-05 20:28:34 +0000 | [diff] [blame] | 75 | if 0 != 0.0 or 1 != 1.0 or -1 != -1.0: |
| 76 | self.fail('int/float value not equal') |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 77 | # calling built-in types without argument must return 0 |
| 78 | if int() != 0: self.fail('int() does not return 0') |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 79 | if float() != 0.0: self.fail('float() does not return 0.0') |
| 80 | if int(1.9) == 1 == int(1.1) and int(-1.1) == -1 == int(-1.9): pass |
| 81 | else: self.fail('int() does not round properly') |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 82 | if float(1) == 1.0 and float(-1) == -1.0 and float(0) == 0.0: pass |
| 83 | else: self.fail('float() does not work properly') |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 84 | |
Christian Heimes | c3f30c4 | 2008-02-22 16:37:40 +0000 | [diff] [blame] | 85 | def test_float_to_string(self): |
| 86 | def test(f, result): |
| 87 | self.assertEqual(f.__format__('e'), result) |
| 88 | self.assertEqual('%e' % f, result) |
| 89 | |
| 90 | # test all 2 digit exponents, both with __format__ and with |
| 91 | # '%' formatting |
| 92 | for i in range(-99, 100): |
| 93 | test(float('1.5e'+str(i)), '1.500000e{0:+03d}'.format(i)) |
| 94 | |
| 95 | # test some 3 digit exponents |
| 96 | self.assertEqual(1.5e100.__format__('e'), '1.500000e+100') |
| 97 | self.assertEqual('%e' % 1.5e100, '1.500000e+100') |
| 98 | |
| 99 | self.assertEqual(1.5e101.__format__('e'), '1.500000e+101') |
| 100 | self.assertEqual('%e' % 1.5e101, '1.500000e+101') |
| 101 | |
| 102 | self.assertEqual(1.5e-100.__format__('e'), '1.500000e-100') |
| 103 | self.assertEqual('%e' % 1.5e-100, '1.500000e-100') |
| 104 | |
| 105 | self.assertEqual(1.5e-101.__format__('e'), '1.500000e-101') |
| 106 | self.assertEqual('%e' % 1.5e-101, '1.500000e-101') |
| 107 | |
Eric Smith | 0923d1d | 2009-04-16 20:16:10 +0000 | [diff] [blame] | 108 | self.assertEqual('%g' % 1.0, '1') |
| 109 | self.assertEqual('%#g' % 1.0, '1.00000') |
| 110 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 111 | def test_normal_integers(self): |
| 112 | # Ensure the first 256 integers are shared |
| 113 | a = 256 |
| 114 | b = 128*2 |
| 115 | if a is not b: self.fail('256 is not shared') |
| 116 | if 12 + 24 != 36: self.fail('int op') |
| 117 | if 12 + (-24) != -12: self.fail('int op') |
| 118 | if (-12) + 24 != 12: self.fail('int op') |
| 119 | if (-12) + (-24) != -36: self.fail('int op') |
| 120 | if not 12 < 24: self.fail('int op') |
| 121 | if not -24 < -12: self.fail('int op') |
| 122 | # Test for a particular bug in integer multiply |
| 123 | xsize, ysize, zsize = 238, 356, 4 |
| 124 | if not (xsize*ysize*zsize == zsize*xsize*ysize == 338912): |
| 125 | self.fail('int mul commutativity') |
| 126 | # And another. |
Christian Heimes | a37d4c6 | 2007-12-04 23:02:19 +0000 | [diff] [blame] | 127 | m = -sys.maxsize - 1 |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 128 | for divisor in 1, 2, 4, 8, 16, 32: |
| 129 | j = m // divisor |
| 130 | prod = divisor * j |
| 131 | if prod != m: |
| 132 | self.fail("%r * %r == %r != %r" % (divisor, j, prod, m)) |
| 133 | if type(prod) is not int: |
| 134 | self.fail("expected type(prod) to be int, not %r" % |
| 135 | type(prod)) |
Mark Dickinson | 5c2db37 | 2009-12-05 20:28:34 +0000 | [diff] [blame] | 136 | # Check for unified integral type |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 137 | for divisor in 1, 2, 4, 8, 16, 32: |
| 138 | j = m // divisor - 1 |
| 139 | prod = divisor * j |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 140 | if type(prod) is not int: |
Mark Dickinson | 5c2db37 | 2009-12-05 20:28:34 +0000 | [diff] [blame] | 141 | self.fail("expected type(%r) to be int, not %r" % |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 142 | (prod, type(prod))) |
Mark Dickinson | 5c2db37 | 2009-12-05 20:28:34 +0000 | [diff] [blame] | 143 | # Check for unified integral type |
Christian Heimes | a37d4c6 | 2007-12-04 23:02:19 +0000 | [diff] [blame] | 144 | m = sys.maxsize |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 145 | for divisor in 1, 2, 4, 8, 16, 32: |
| 146 | j = m // divisor + 1 |
| 147 | prod = divisor * j |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 148 | if type(prod) is not int: |
Mark Dickinson | 5c2db37 | 2009-12-05 20:28:34 +0000 | [diff] [blame] | 149 | self.fail("expected type(%r) to be int, not %r" % |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 150 | (prod, type(prod))) |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 151 | |
Christian Heimes | a37d4c6 | 2007-12-04 23:02:19 +0000 | [diff] [blame] | 152 | x = sys.maxsize |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 153 | self.assertIsInstance(x + 1, int, |
| 154 | "(sys.maxsize + 1) should have returned int") |
| 155 | self.assertIsInstance(-x - 1, int, |
| 156 | "(-sys.maxsize - 1) should have returned int") |
| 157 | self.assertIsInstance(-x - 2, int, |
| 158 | "(-sys.maxsize - 2) should have returned int") |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 159 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 160 | try: 5 << -5 |
| 161 | except ValueError: pass |
| 162 | else: self.fail('int negative shift <<') |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 163 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 164 | try: 5 >> -5 |
| 165 | except ValueError: pass |
| 166 | else: self.fail('int negative shift >>') |
Guido van Rossum | 85f1820 | 1992-11-27 22:53:50 +0000 | [diff] [blame] | 167 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 168 | def test_floats(self): |
| 169 | if 12.0 + 24.0 != 36.0: self.fail('float op') |
| 170 | if 12.0 + (-24.0) != -12.0: self.fail('float op') |
| 171 | if (-12.0) + 24.0 != 12.0: self.fail('float op') |
| 172 | if (-12.0) + (-24.0) != -36.0: self.fail('float op') |
| 173 | if not 12.0 < 24.0: self.fail('float op') |
| 174 | if not -24.0 < -12.0: self.fail('float op') |
Guido van Rossum | 85f1820 | 1992-11-27 22:53:50 +0000 | [diff] [blame] | 175 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 176 | def test_strings(self): |
| 177 | if len('') != 0: self.fail('len(\'\')') |
| 178 | if len('a') != 1: self.fail('len(\'a\')') |
| 179 | if len('abcdef') != 6: self.fail('len(\'abcdef\')') |
| 180 | if 'xyz' + 'abcde' != 'xyzabcde': self.fail('string concatenation') |
| 181 | if 'xyz'*3 != 'xyzxyzxyz': self.fail('string repetition *3') |
| 182 | if 0*'abcde' != '': self.fail('string repetition 0*') |
| 183 | if min('abc') != 'a' or max('abc') != 'c': self.fail('min/max string') |
| 184 | if 'a' in 'abc' and 'b' in 'abc' and 'c' in 'abc' and 'd' not in 'abc': pass |
| 185 | else: self.fail('in/not in string') |
| 186 | x = 'x'*103 |
| 187 | if '%s!'%x != x+'!': self.fail('nasty string formatting bug') |
Michael W. Hudson | 5efaf7e | 2002-06-11 10:55:12 +0000 | [diff] [blame] | 188 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 189 | #extended slices for strings |
| 190 | a = '0123456789' |
| 191 | self.assertEqual(a[::], a) |
| 192 | self.assertEqual(a[::2], '02468') |
| 193 | self.assertEqual(a[1::2], '13579') |
| 194 | self.assertEqual(a[::-1],'9876543210') |
| 195 | self.assertEqual(a[::-2], '97531') |
| 196 | self.assertEqual(a[3::-2], '31') |
| 197 | self.assertEqual(a[-100:100:], a) |
| 198 | self.assertEqual(a[100:-100:-1], a[::-1]) |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 199 | self.assertEqual(a[-100:100:2], '02468') |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 200 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 201 | def test_type_function(self): |
| 202 | self.assertRaises(TypeError, type, 1, 2) |
| 203 | self.assertRaises(TypeError, type, 1, 2, 3, 4) |
Guido van Rossum | 85f1820 | 1992-11-27 22:53:50 +0000 | [diff] [blame] | 204 | |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 205 | def test_int__format__(self): |
| 206 | def test(i, format_spec, result): |
Mark Dickinson | 5c2db37 | 2009-12-05 20:28:34 +0000 | [diff] [blame] | 207 | # just make sure we have the unified type for integers |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 208 | assert type(i) == int |
| 209 | assert type(format_spec) == str |
| 210 | self.assertEqual(i.__format__(format_spec), result) |
| 211 | |
| 212 | test(123456789, 'd', '123456789') |
| 213 | test(123456789, 'd', '123456789') |
| 214 | |
| 215 | test(1, 'c', '\01') |
| 216 | |
| 217 | # sign and aligning are interdependent |
| 218 | test(1, "-", '1') |
| 219 | test(-1, "-", '-1') |
| 220 | test(1, "-3", ' 1') |
| 221 | test(-1, "-3", ' -1') |
| 222 | test(1, "+3", ' +1') |
| 223 | test(-1, "+3", ' -1') |
| 224 | test(1, " 3", ' 1') |
| 225 | test(-1, " 3", ' -1') |
| 226 | test(1, " ", ' 1') |
| 227 | test(-1, " ", '-1') |
| 228 | |
| 229 | # hex |
| 230 | test(3, "x", "3") |
| 231 | test(3, "X", "3") |
| 232 | test(1234, "x", "4d2") |
| 233 | test(-1234, "x", "-4d2") |
| 234 | test(1234, "8x", " 4d2") |
| 235 | test(-1234, "8x", " -4d2") |
| 236 | test(1234, "x", "4d2") |
| 237 | test(-1234, "x", "-4d2") |
| 238 | test(-3, "x", "-3") |
| 239 | test(-3, "X", "-3") |
| 240 | test(int('be', 16), "x", "be") |
| 241 | test(int('be', 16), "X", "BE") |
| 242 | test(-int('be', 16), "x", "-be") |
| 243 | test(-int('be', 16), "X", "-BE") |
| 244 | |
| 245 | # octal |
| 246 | test(3, "o", "3") |
| 247 | test(-3, "o", "-3") |
| 248 | test(65, "o", "101") |
| 249 | test(-65, "o", "-101") |
| 250 | test(1234, "o", "2322") |
| 251 | test(-1234, "o", "-2322") |
| 252 | test(1234, "-o", "2322") |
| 253 | test(-1234, "-o", "-2322") |
| 254 | test(1234, " o", " 2322") |
| 255 | test(-1234, " o", "-2322") |
| 256 | test(1234, "+o", "+2322") |
| 257 | test(-1234, "+o", "-2322") |
| 258 | |
| 259 | # binary |
| 260 | test(3, "b", "11") |
| 261 | test(-3, "b", "-11") |
| 262 | test(1234, "b", "10011010010") |
| 263 | test(-1234, "b", "-10011010010") |
| 264 | test(1234, "-b", "10011010010") |
| 265 | test(-1234, "-b", "-10011010010") |
| 266 | test(1234, " b", " 10011010010") |
| 267 | test(-1234, " b", "-10011010010") |
| 268 | test(1234, "+b", "+10011010010") |
| 269 | test(-1234, "+b", "-10011010010") |
| 270 | |
Eric Smith | b1ebcc6 | 2008-07-15 13:02:41 +0000 | [diff] [blame] | 271 | # alternate (#) formatting |
| 272 | test(0, "#b", '0b0') |
| 273 | test(0, "-#b", '0b0') |
| 274 | test(1, "-#b", '0b1') |
| 275 | test(-1, "-#b", '-0b1') |
| 276 | test(-1, "-#5b", ' -0b1') |
| 277 | test(1, "+#5b", ' +0b1') |
| 278 | test(100, "+#b", '+0b1100100') |
Eric Smith | d68af8f | 2008-07-16 00:15:35 +0000 | [diff] [blame] | 279 | test(100, "#012b", '0b0001100100') |
| 280 | test(-100, "#012b", '-0b001100100') |
Eric Smith | b1ebcc6 | 2008-07-15 13:02:41 +0000 | [diff] [blame] | 281 | |
| 282 | test(0, "#o", '0o0') |
| 283 | test(0, "-#o", '0o0') |
| 284 | test(1, "-#o", '0o1') |
| 285 | test(-1, "-#o", '-0o1') |
| 286 | test(-1, "-#5o", ' -0o1') |
| 287 | test(1, "+#5o", ' +0o1') |
| 288 | test(100, "+#o", '+0o144') |
Eric Smith | d68af8f | 2008-07-16 00:15:35 +0000 | [diff] [blame] | 289 | test(100, "#012o", '0o0000000144') |
| 290 | test(-100, "#012o", '-0o000000144') |
Eric Smith | b1ebcc6 | 2008-07-15 13:02:41 +0000 | [diff] [blame] | 291 | |
| 292 | test(0, "#x", '0x0') |
| 293 | test(0, "-#x", '0x0') |
| 294 | test(1, "-#x", '0x1') |
| 295 | test(-1, "-#x", '-0x1') |
| 296 | test(-1, "-#5x", ' -0x1') |
| 297 | test(1, "+#5x", ' +0x1') |
| 298 | test(100, "+#x", '+0x64') |
Eric Smith | d68af8f | 2008-07-16 00:15:35 +0000 | [diff] [blame] | 299 | test(100, "#012x", '0x0000000064') |
| 300 | test(-100, "#012x", '-0x000000064') |
| 301 | test(123456, "#012x", '0x000001e240') |
| 302 | test(-123456, "#012x", '-0x00001e240') |
Eric Smith | b1ebcc6 | 2008-07-15 13:02:41 +0000 | [diff] [blame] | 303 | |
| 304 | test(0, "#X", '0X0') |
| 305 | test(0, "-#X", '0X0') |
| 306 | test(1, "-#X", '0X1') |
| 307 | test(-1, "-#X", '-0X1') |
| 308 | test(-1, "-#5X", ' -0X1') |
| 309 | test(1, "+#5X", ' +0X1') |
| 310 | test(100, "+#X", '+0X64') |
Eric Smith | d68af8f | 2008-07-16 00:15:35 +0000 | [diff] [blame] | 311 | test(100, "#012X", '0X0000000064') |
| 312 | test(-100, "#012X", '-0X000000064') |
| 313 | test(123456, "#012X", '0X000001E240') |
| 314 | test(-123456, "#012X", '-0X00001E240') |
Eric Smith | b1ebcc6 | 2008-07-15 13:02:41 +0000 | [diff] [blame] | 315 | |
Eric Smith | a3b1ac8 | 2009-04-03 14:45:06 +0000 | [diff] [blame] | 316 | test(123, ',', '123') |
| 317 | test(-123, ',', '-123') |
| 318 | test(1234, ',', '1,234') |
| 319 | test(-1234, ',', '-1,234') |
| 320 | test(123456, ',', '123,456') |
| 321 | test(-123456, ',', '-123,456') |
| 322 | test(1234567, ',', '1,234,567') |
| 323 | test(-1234567, ',', '-1,234,567') |
| 324 | |
Eric Smith | 937491d | 2009-04-22 17:04:27 +0000 | [diff] [blame] | 325 | # issue 5782, commas with no specifier type |
| 326 | test(1234, '010,', '00,001,234') |
| 327 | |
Mark Dickinson | 5c2db37 | 2009-12-05 20:28:34 +0000 | [diff] [blame] | 328 | # Unified type for integers |
| 329 | test(10**100, 'd', '1' + '0' * 100) |
| 330 | test(10**100+100, 'd', '1' + '0' * 97 + '100') |
| 331 | |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 332 | # make sure these are errors |
| 333 | |
| 334 | # precision disallowed |
| 335 | self.assertRaises(ValueError, 3 .__format__, "1.3") |
| 336 | # sign not allowed with 'c' |
| 337 | self.assertRaises(ValueError, 3 .__format__, "+c") |
| 338 | # format spec must be string |
| 339 | self.assertRaises(TypeError, 3 .__format__, None) |
| 340 | self.assertRaises(TypeError, 3 .__format__, 0) |
Eric Smith | a3b1ac8 | 2009-04-03 14:45:06 +0000 | [diff] [blame] | 341 | # can't have ',' with 'n' |
| 342 | self.assertRaises(ValueError, 3 .__format__, ",n") |
Eric Smith | 0923d1d | 2009-04-16 20:16:10 +0000 | [diff] [blame] | 343 | # can't have ',' with 'c' |
| 344 | self.assertRaises(ValueError, 3 .__format__, ",c") |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 345 | |
| 346 | # ensure that only int and float type specifiers work |
| 347 | for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] + |
| 348 | [chr(x) for x in range(ord('A'), ord('Z')+1)]): |
| 349 | if not format_spec in 'bcdoxXeEfFgGn%': |
| 350 | self.assertRaises(ValueError, 0 .__format__, format_spec) |
| 351 | self.assertRaises(ValueError, 1 .__format__, format_spec) |
| 352 | self.assertRaises(ValueError, (-1) .__format__, format_spec) |
| 353 | |
| 354 | # ensure that float type specifiers work; format converts |
| 355 | # the int to a float |
Eric Smith | 5807c41 | 2008-05-11 21:00:57 +0000 | [diff] [blame] | 356 | for format_spec in 'eEfFgG%': |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 357 | for value in [0, 1, -1, 100, -100, 1234567890, -1234567890]: |
| 358 | self.assertEqual(value.__format__(format_spec), |
| 359 | float(value).__format__(format_spec)) |
| 360 | |
Eric Smith | abb28c6 | 2010-02-23 00:22:24 +0000 | [diff] [blame] | 361 | # Issue 6902 |
| 362 | test(123456, "0<20", '12345600000000000000') |
| 363 | test(123456, "1<20", '12345611111111111111') |
| 364 | test(123456, "*<20", '123456**************') |
| 365 | test(123456, "0>20", '00000000000000123456') |
| 366 | test(123456, "1>20", '11111111111111123456') |
| 367 | test(123456, "*>20", '**************123456') |
| 368 | test(123456, "0=20", '00000000000000123456') |
| 369 | test(123456, "1=20", '11111111111111123456') |
| 370 | test(123456, "*=20", '**************123456') |
| 371 | |
Eric Smith | b2c7af8 | 2008-04-30 02:12:09 +0000 | [diff] [blame] | 372 | @run_with_locale('LC_NUMERIC', 'en_US.UTF8') |
| 373 | def test_float__format__locale(self): |
| 374 | # test locale support for __format__ code 'n' |
| 375 | |
| 376 | for i in range(-10, 10): |
| 377 | x = 1234567890.0 * (10.0 ** i) |
| 378 | self.assertEqual(locale.format('%g', x, grouping=True), format(x, 'n')) |
| 379 | self.assertEqual(locale.format('%.10g', x, grouping=True), format(x, '.10n')) |
| 380 | |
Eric Smith | 5807c41 | 2008-05-11 21:00:57 +0000 | [diff] [blame] | 381 | @run_with_locale('LC_NUMERIC', 'en_US.UTF8') |
| 382 | def test_int__format__locale(self): |
| 383 | # test locale support for __format__ code 'n' for integers |
| 384 | |
| 385 | x = 123456789012345678901234567890 |
| 386 | for i in range(0, 30): |
| 387 | self.assertEqual(locale.format('%d', x, grouping=True), format(x, 'n')) |
| 388 | |
| 389 | # move to the next integer to test |
| 390 | x = x // 10 |
| 391 | |
Eric Smith | b151a45 | 2008-06-24 11:21:04 +0000 | [diff] [blame] | 392 | rfmt = ">20n" |
| 393 | lfmt = "<20n" |
| 394 | cfmt = "^20n" |
| 395 | for x in (1234, 12345, 123456, 1234567, 12345678, 123456789, 1234567890, 12345678900): |
| 396 | self.assertEqual(len(format(0, rfmt)), len(format(x, rfmt))) |
| 397 | self.assertEqual(len(format(0, lfmt)), len(format(x, lfmt))) |
| 398 | self.assertEqual(len(format(0, cfmt)), len(format(x, cfmt))) |
| 399 | |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 400 | def test_float__format__(self): |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 401 | def test(f, format_spec, result): |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 402 | self.assertEqual(f.__format__(format_spec), result) |
Eric Smith | 984bb58 | 2010-11-25 16:08:06 +0000 | [diff] [blame] | 403 | self.assertEqual(format(f, format_spec), result) |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 404 | |
| 405 | test(0.0, 'f', '0.000000') |
| 406 | |
| 407 | # the default is 'g', except for empty format spec |
| 408 | test(0.0, '', '0.0') |
| 409 | test(0.01, '', '0.01') |
| 410 | test(0.01, 'g', '0.01') |
| 411 | |
Eric Smith | 2ad79e8 | 2008-07-19 00:33:23 +0000 | [diff] [blame] | 412 | # test for issue 3411 |
| 413 | test(1.23, '1', '1.23') |
| 414 | test(-1.23, '1', '-1.23') |
| 415 | test(1.23, '1g', '1.23') |
| 416 | test(-1.23, '1g', '-1.23') |
| 417 | |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 418 | test( 1.0, ' g', ' 1') |
| 419 | test(-1.0, ' g', '-1') |
| 420 | test( 1.0, '+g', '+1') |
| 421 | test(-1.0, '+g', '-1') |
| 422 | test(1.1234e200, 'g', '1.1234e+200') |
| 423 | test(1.1234e200, 'G', '1.1234E+200') |
| 424 | |
| 425 | |
| 426 | test(1.0, 'f', '1.000000') |
| 427 | |
| 428 | test(-1.0, 'f', '-1.000000') |
| 429 | |
| 430 | test( 1.0, ' f', ' 1.000000') |
| 431 | test(-1.0, ' f', '-1.000000') |
| 432 | test( 1.0, '+f', '+1.000000') |
| 433 | test(-1.0, '+f', '-1.000000') |
Mark Dickinson | 33841c3 | 2009-05-01 15:37:04 +0000 | [diff] [blame] | 434 | |
| 435 | # Python versions <= 3.0 switched from 'f' to 'g' formatting for |
| 436 | # values larger than 1e50. No longer. |
| 437 | f = 1.1234e90 |
| 438 | for fmt in 'f', 'F': |
| 439 | # don't do a direct equality check, since on some |
| 440 | # platforms only the first few digits of dtoa |
| 441 | # will be reliable |
| 442 | result = f.__format__(fmt) |
| 443 | self.assertEqual(len(result), 98) |
| 444 | self.assertEqual(result[-7], '.') |
Benjamin Peterson | 577473f | 2010-01-19 00:09:57 +0000 | [diff] [blame] | 445 | self.assertIn(result[:12], ('112340000000', '112339999999')) |
Mark Dickinson | 33841c3 | 2009-05-01 15:37:04 +0000 | [diff] [blame] | 446 | f = 1.1234e200 |
| 447 | for fmt in 'f', 'F': |
| 448 | result = f.__format__(fmt) |
| 449 | self.assertEqual(len(result), 208) |
| 450 | self.assertEqual(result[-7], '.') |
Benjamin Peterson | 577473f | 2010-01-19 00:09:57 +0000 | [diff] [blame] | 451 | self.assertIn(result[:12], ('112340000000', '112339999999')) |
Mark Dickinson | 33841c3 | 2009-05-01 15:37:04 +0000 | [diff] [blame] | 452 | |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 453 | |
Christian Heimes | c3f30c4 | 2008-02-22 16:37:40 +0000 | [diff] [blame] | 454 | test( 1.0, 'e', '1.000000e+00') |
| 455 | test(-1.0, 'e', '-1.000000e+00') |
| 456 | test( 1.0, 'E', '1.000000E+00') |
| 457 | test(-1.0, 'E', '-1.000000E+00') |
| 458 | test(1.1234e20, 'e', '1.123400e+20') |
| 459 | test(1.1234e20, 'E', '1.123400E+20') |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 460 | |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 461 | # No format code means use g, but must have a decimal |
| 462 | # and a number after the decimal. This is tricky, because |
| 463 | # a totaly empty format specifier means something else. |
| 464 | # So, just use a sign flag |
| 465 | test(1e200, '+g', '+1e+200') |
Eric Smith | 0923d1d | 2009-04-16 20:16:10 +0000 | [diff] [blame] | 466 | test(1e200, '+', '+1e+200') |
| 467 | |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 468 | test(1.1e200, '+g', '+1.1e+200') |
| 469 | test(1.1e200, '+', '+1.1e+200') |
| 470 | |
Eric Smith | 0923d1d | 2009-04-16 20:16:10 +0000 | [diff] [blame] | 471 | # 0 padding |
| 472 | test(1234., '010f', '1234.000000') |
| 473 | test(1234., '011f', '1234.000000') |
| 474 | test(1234., '012f', '01234.000000') |
| 475 | test(-1234., '011f', '-1234.000000') |
| 476 | test(-1234., '012f', '-1234.000000') |
| 477 | test(-1234., '013f', '-01234.000000') |
| 478 | test(-1234.12341234, '013f', '-01234.123412') |
| 479 | test(-123456.12341234, '011.2f', '-0123456.12') |
| 480 | |
Eric Smith | 937491d | 2009-04-22 17:04:27 +0000 | [diff] [blame] | 481 | # issue 5782, commas with no specifier type |
| 482 | test(1.2, '010,.2', '0,000,001.2') |
| 483 | |
Eric Smith | 0923d1d | 2009-04-16 20:16:10 +0000 | [diff] [blame] | 484 | # 0 padding with commas |
| 485 | test(1234., '011,f', '1,234.000000') |
| 486 | test(1234., '012,f', '1,234.000000') |
| 487 | test(1234., '013,f', '01,234.000000') |
| 488 | test(-1234., '012,f', '-1,234.000000') |
| 489 | test(-1234., '013,f', '-1,234.000000') |
| 490 | test(-1234., '014,f', '-01,234.000000') |
| 491 | test(-12345., '015,f', '-012,345.000000') |
| 492 | test(-123456., '016,f', '-0,123,456.000000') |
| 493 | test(-123456., '017,f', '-0,123,456.000000') |
| 494 | test(-123456.12341234, '017,f', '-0,123,456.123412') |
| 495 | test(-123456.12341234, '013,.2f', '-0,123,456.12') |
| 496 | |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 497 | # % formatting |
| 498 | test(-1.0, '%', '-100.000000%') |
| 499 | |
| 500 | # format spec must be string |
| 501 | self.assertRaises(TypeError, 3.0.__format__, None) |
| 502 | self.assertRaises(TypeError, 3.0.__format__, 0) |
| 503 | |
| 504 | # other format specifiers shouldn't work on floats, |
| 505 | # in particular int specifiers |
| 506 | for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] + |
| 507 | [chr(x) for x in range(ord('A'), ord('Z')+1)]): |
| 508 | if not format_spec in 'eEfFgGn%': |
| 509 | self.assertRaises(ValueError, format, 0.0, format_spec) |
| 510 | self.assertRaises(ValueError, format, 1.0, format_spec) |
| 511 | self.assertRaises(ValueError, format, -1.0, format_spec) |
| 512 | self.assertRaises(ValueError, format, 1e100, format_spec) |
| 513 | self.assertRaises(ValueError, format, -1e100, format_spec) |
| 514 | self.assertRaises(ValueError, format, 1e-100, format_spec) |
| 515 | self.assertRaises(ValueError, format, -1e-100, format_spec) |
| 516 | |
Eric Smith | 984bb58 | 2010-11-25 16:08:06 +0000 | [diff] [blame] | 517 | # Alternate float formatting |
| 518 | test(1.0, '.0e', '1e+00') |
| 519 | test(1.0, '#.0e', '1.e+00') |
| 520 | test(1.0, '.0f', '1') |
| 521 | test(1.0, '#.0f', '1.') |
| 522 | test(1.1, 'g', '1.1') |
| 523 | test(1.1, '#g', '1.10000') |
| 524 | test(1.0, '.0%', '100%') |
| 525 | test(1.0, '#.0%', '100.%') |
| 526 | |
| 527 | # Issue 7094: Alternate formatting (specified by #) |
| 528 | test(1.0, '0e', '1.000000e+00') |
| 529 | test(1.0, '#0e', '1.000000e+00') |
| 530 | test(1.0, '0f', '1.000000' ) |
| 531 | test(1.0, '#0f', '1.000000') |
| 532 | test(1.0, '.1e', '1.0e+00') |
| 533 | test(1.0, '#.1e', '1.0e+00') |
| 534 | test(1.0, '.1f', '1.0') |
| 535 | test(1.0, '#.1f', '1.0') |
| 536 | test(1.0, '.1%', '100.0%') |
| 537 | test(1.0, '#.1%', '100.0%') |
Eric Smith | b1ebcc6 | 2008-07-15 13:02:41 +0000 | [diff] [blame] | 538 | |
Eric Smith | abb28c6 | 2010-02-23 00:22:24 +0000 | [diff] [blame] | 539 | # Issue 6902 |
| 540 | test(12345.6, "0<20", '12345.60000000000000') |
| 541 | test(12345.6, "1<20", '12345.61111111111111') |
| 542 | test(12345.6, "*<20", '12345.6*************') |
| 543 | test(12345.6, "0>20", '000000000000012345.6') |
| 544 | test(12345.6, "1>20", '111111111111112345.6') |
| 545 | test(12345.6, "*>20", '*************12345.6') |
| 546 | test(12345.6, "0=20", '000000000000012345.6') |
| 547 | test(12345.6, "1=20", '111111111111112345.6') |
| 548 | test(12345.6, "*=20", '*************12345.6') |
| 549 | |
Eric Smith | 0923d1d | 2009-04-16 20:16:10 +0000 | [diff] [blame] | 550 | def test_format_spec_errors(self): |
| 551 | # int, float, and string all share the same format spec |
| 552 | # mini-language parser. |
| 553 | |
| 554 | # Check that we can't ask for too many digits. This is |
| 555 | # probably a CPython specific test. It tries to put the width |
| 556 | # into a C long. |
| 557 | self.assertRaises(ValueError, format, 0, '1'*10000 + 'd') |
| 558 | |
| 559 | # Similar with the precision. |
| 560 | self.assertRaises(ValueError, format, 0, '.' + '1'*10000 + 'd') |
| 561 | |
| 562 | # And may as well test both. |
| 563 | self.assertRaises(ValueError, format, 0, '1'*1000 + '.' + '1'*10000 + 'd') |
| 564 | |
| 565 | # Make sure commas aren't allowed with various type codes |
| 566 | for code in 'xXobns': |
| 567 | self.assertRaises(ValueError, format, 0, ',' + code) |
Christian Heimes | 7131fd9 | 2008-02-19 14:21:46 +0000 | [diff] [blame] | 568 | |
Benjamin Peterson | 0e10206 | 2010-08-25 23:13:17 +0000 | [diff] [blame] | 569 | def test_internal_sizes(self): |
| 570 | self.assertGreater(object.__basicsize__, 0) |
| 571 | self.assertGreater(tuple.__itemsize__, 0) |
| 572 | |
| 573 | |
Victor Stinner | 0db176f | 2012-04-16 00:16:30 +0200 | [diff] [blame] | 574 | class MappingProxyTests(unittest.TestCase): |
| 575 | mappingproxy = types.MappingProxyType |
| 576 | |
| 577 | def test_constructor(self): |
| 578 | class userdict(dict): |
| 579 | pass |
| 580 | |
| 581 | mapping = {'x': 1, 'y': 2} |
| 582 | self.assertEqual(self.mappingproxy(mapping), mapping) |
| 583 | mapping = userdict(x=1, y=2) |
| 584 | self.assertEqual(self.mappingproxy(mapping), mapping) |
| 585 | mapping = collections.ChainMap({'x': 1}, {'y': 2}) |
| 586 | self.assertEqual(self.mappingproxy(mapping), mapping) |
| 587 | |
| 588 | self.assertRaises(TypeError, self.mappingproxy, 10) |
| 589 | self.assertRaises(TypeError, self.mappingproxy, ("a", "tuple")) |
| 590 | self.assertRaises(TypeError, self.mappingproxy, ["a", "list"]) |
| 591 | |
| 592 | def test_methods(self): |
| 593 | attrs = set(dir(self.mappingproxy({}))) - set(dir(object())) |
| 594 | self.assertEqual(attrs, { |
| 595 | '__contains__', |
| 596 | '__getitem__', |
| 597 | '__iter__', |
| 598 | '__len__', |
| 599 | 'copy', |
| 600 | 'get', |
| 601 | 'items', |
| 602 | 'keys', |
| 603 | 'values', |
| 604 | }) |
| 605 | |
| 606 | def test_get(self): |
| 607 | view = self.mappingproxy({'a': 'A', 'b': 'B'}) |
| 608 | self.assertEqual(view['a'], 'A') |
| 609 | self.assertEqual(view['b'], 'B') |
| 610 | self.assertRaises(KeyError, view.__getitem__, 'xxx') |
| 611 | self.assertEqual(view.get('a'), 'A') |
| 612 | self.assertIsNone(view.get('xxx')) |
| 613 | self.assertEqual(view.get('xxx', 42), 42) |
| 614 | |
| 615 | def test_missing(self): |
| 616 | class dictmissing(dict): |
| 617 | def __missing__(self, key): |
| 618 | return "missing=%s" % key |
| 619 | |
| 620 | view = self.mappingproxy(dictmissing(x=1)) |
| 621 | self.assertEqual(view['x'], 1) |
| 622 | self.assertEqual(view['y'], 'missing=y') |
| 623 | self.assertEqual(view.get('x'), 1) |
| 624 | self.assertEqual(view.get('y'), None) |
| 625 | self.assertEqual(view.get('y', 42), 42) |
| 626 | self.assertTrue('x' in view) |
| 627 | self.assertFalse('y' in view) |
| 628 | |
| 629 | def test_customdict(self): |
| 630 | class customdict(dict): |
| 631 | def __contains__(self, key): |
| 632 | if key == 'magic': |
| 633 | return True |
| 634 | else: |
| 635 | return dict.__contains__(self, key) |
| 636 | |
| 637 | def __iter__(self): |
| 638 | return iter(('iter',)) |
| 639 | |
| 640 | def __len__(self): |
| 641 | return 500 |
| 642 | |
| 643 | def copy(self): |
| 644 | return 'copy' |
| 645 | |
| 646 | def keys(self): |
| 647 | return 'keys' |
| 648 | |
| 649 | def items(self): |
| 650 | return 'items' |
| 651 | |
| 652 | def values(self): |
| 653 | return 'values' |
| 654 | |
| 655 | def __getitem__(self, key): |
| 656 | return "getitem=%s" % dict.__getitem__(self, key) |
| 657 | |
| 658 | def get(self, key, default=None): |
| 659 | return "get=%s" % dict.get(self, key, 'default=%r' % default) |
| 660 | |
| 661 | custom = customdict({'key': 'value'}) |
| 662 | view = self.mappingproxy(custom) |
| 663 | self.assertTrue('key' in view) |
| 664 | self.assertTrue('magic' in view) |
| 665 | self.assertFalse('xxx' in view) |
| 666 | self.assertEqual(view['key'], 'getitem=value') |
| 667 | self.assertRaises(KeyError, view.__getitem__, 'xxx') |
| 668 | self.assertEqual(tuple(view), ('iter',)) |
| 669 | self.assertEqual(len(view), 500) |
| 670 | self.assertEqual(view.copy(), 'copy') |
| 671 | self.assertEqual(view.get('key'), 'get=value') |
| 672 | self.assertEqual(view.get('xxx'), 'get=default=None') |
| 673 | self.assertEqual(view.items(), 'items') |
| 674 | self.assertEqual(view.keys(), 'keys') |
| 675 | self.assertEqual(view.values(), 'values') |
| 676 | |
| 677 | def test_chainmap(self): |
| 678 | d1 = {'x': 1} |
| 679 | d2 = {'y': 2} |
| 680 | mapping = collections.ChainMap(d1, d2) |
| 681 | view = self.mappingproxy(mapping) |
| 682 | self.assertTrue('x' in view) |
| 683 | self.assertTrue('y' in view) |
| 684 | self.assertFalse('z' in view) |
| 685 | self.assertEqual(view['x'], 1) |
| 686 | self.assertEqual(view['y'], 2) |
| 687 | self.assertRaises(KeyError, view.__getitem__, 'z') |
| 688 | self.assertEqual(tuple(sorted(view)), ('x', 'y')) |
| 689 | self.assertEqual(len(view), 2) |
| 690 | copy = view.copy() |
| 691 | self.assertIsNot(copy, mapping) |
| 692 | self.assertIsInstance(copy, collections.ChainMap) |
| 693 | self.assertEqual(copy, mapping) |
| 694 | self.assertEqual(view.get('x'), 1) |
| 695 | self.assertEqual(view.get('y'), 2) |
| 696 | self.assertIsNone(view.get('z')) |
| 697 | self.assertEqual(tuple(sorted(view.items())), (('x', 1), ('y', 2))) |
| 698 | self.assertEqual(tuple(sorted(view.keys())), ('x', 'y')) |
| 699 | self.assertEqual(tuple(sorted(view.values())), (1, 2)) |
| 700 | |
| 701 | def test_contains(self): |
| 702 | view = self.mappingproxy(dict.fromkeys('abc')) |
| 703 | self.assertTrue('a' in view) |
| 704 | self.assertTrue('b' in view) |
| 705 | self.assertTrue('c' in view) |
| 706 | self.assertFalse('xxx' in view) |
| 707 | |
| 708 | def test_views(self): |
| 709 | mapping = {} |
| 710 | view = self.mappingproxy(mapping) |
| 711 | keys = view.keys() |
| 712 | values = view.values() |
| 713 | items = view.items() |
| 714 | self.assertEqual(list(keys), []) |
| 715 | self.assertEqual(list(values), []) |
| 716 | self.assertEqual(list(items), []) |
| 717 | mapping['key'] = 'value' |
| 718 | self.assertEqual(list(keys), ['key']) |
| 719 | self.assertEqual(list(values), ['value']) |
| 720 | self.assertEqual(list(items), [('key', 'value')]) |
| 721 | |
| 722 | def test_len(self): |
| 723 | for expected in range(6): |
| 724 | data = dict.fromkeys('abcde'[:expected]) |
| 725 | self.assertEqual(len(data), expected) |
| 726 | view = self.mappingproxy(data) |
| 727 | self.assertEqual(len(view), expected) |
| 728 | |
| 729 | def test_iterators(self): |
| 730 | keys = ('x', 'y') |
| 731 | values = (1, 2) |
| 732 | items = tuple(zip(keys, values)) |
| 733 | view = self.mappingproxy(dict(items)) |
| 734 | self.assertEqual(set(view), set(keys)) |
| 735 | self.assertEqual(set(view.keys()), set(keys)) |
| 736 | self.assertEqual(set(view.values()), set(values)) |
| 737 | self.assertEqual(set(view.items()), set(items)) |
| 738 | |
| 739 | def test_copy(self): |
| 740 | original = {'key1': 27, 'key2': 51, 'key3': 93} |
| 741 | view = self.mappingproxy(original) |
| 742 | copy = view.copy() |
| 743 | self.assertEqual(type(copy), dict) |
| 744 | self.assertEqual(copy, original) |
| 745 | original['key1'] = 70 |
| 746 | self.assertEqual(view['key1'], 70) |
| 747 | self.assertEqual(copy['key1'], 27) |
| 748 | |
| 749 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 750 | def test_main(): |
Victor Stinner | 0db176f | 2012-04-16 00:16:30 +0200 | [diff] [blame] | 751 | run_unittest(TypesTests, MappingProxyTests) |
Neil Schemenauer | eff7244 | 2002-03-24 01:24:54 +0000 | [diff] [blame] | 752 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 753 | if __name__ == '__main__': |
| 754 | test_main() |