Lib/test/test_types.py

   1 # Python test set -- part 6, built-in types
   2
   3 from test_support import *
   4
   5 print '6. Built-in types'
   6
   7 print '6.1 Truth value testing'
   8 if None: raise TestFailed, 'None is true instead of false'
   9 if 0: raise TestFailed, '0 is true instead of false'
  10 if 0L: raise TestFailed, '0L is true instead of false'
  11 if 0.0: raise TestFailed, '0.0 is true instead of false'
  12 if '': raise TestFailed, '\'\' is true instead of false'
  13 if (): raise TestFailed, '() is true instead of false'
  14 if []: raise TestFailed, '[] is true instead of false'
  15 if {}: raise TestFailed, '{} is true instead of false'
  16 if not 1: raise TestFailed, '1 is false instead of true'
  17 if not 1L: raise TestFailed, '1L is false instead of true'
  18 if not 1.0: raise TestFailed, '1.0 is false instead of true'
  19 if not 'x': raise TestFailed, '\'x\' is false instead of true'
  20 if not (1, 1): raise TestFailed, '(1, 1) is false instead of true'
  21 if not [1]: raise TestFailed, '[1] is false instead of true'
  22 if not {'x': 1}: raise TestFailed, '{\'x\': 1} is false instead of true'
  23 def f(): pass
  24 class C: pass
  25 import sys
  26 x = C()
  27 if not f: raise TestFailed, 'f is false instead of true'
  28 if not C: raise TestFailed, 'C is false instead of true'
  29 if not sys: raise TestFailed, 'sys is false instead of true'
  30 if not x: raise TestFailed, 'x is false instead of true'
  31
  32 print '6.2 Boolean operations'
  33 if 0 or 0: raise TestFailed, '0 or 0 is true instead of false'
  34 if 1 and 1: pass
  35 else: raise TestFailed, '1 and 1 is false instead of false'
  36 if not 1: raise TestFailed, 'not 1 is true instead of false'
  37
  38 print '6.3 Comparisons'
  39 if 0 < 1 <= 1 == 1 >= 1 > 0 != 1: pass
  40 else: raise TestFailed, 'int comparisons failed'
  41 if 0L < 1L <= 1L == 1L >= 1L > 0L != 1L: pass
  42 else: raise TestFailed, 'long int comparisons failed'
  43 if 0.0 < 1.0 <= 1.0 == 1.0 >= 1.0 > 0.0 != 1.0: pass
  44 else: raise TestFailed, 'float comparisons failed'
  45 if '' < 'a' <= 'a' == 'a' < 'abc' < 'abd' < 'b': pass
  46 else: raise TestFailed, 'string comparisons failed'
  47 if 0 in [0] and 0 not in [1]: pass
  48 else: raise TestFailed, 'membership test failed'
  49 if None is None and [] is not []: pass
  50 else: raise TestFailed, 'identity test failed'
  51
  52 print '6.4 Numeric types (mostly conversions)'
  53 if 0 != 0L or 0 != 0.0 or 0L != 0.0: raise TestFailed, 'mixed comparisons'
  54 if 1 != 1L or 1 != 1.0 or 1L != 1.0: raise TestFailed, 'mixed comparisons'
  55 if -1 != -1L or -1 != -1.0 or -1L != -1.0:
  56     raise TestFailed, 'int/long/float value not equal'
  57 if int(1.9) == 1 == int(1.1) and int(-1.1) == -1 == int(-1.9): pass
  58 else: raise TestFailed, 'int() does not round properly'
  59 if long(1.9) == 1L == long(1.1) and long(-1.1) == -1L == long(-1.9): pass
  60 else: raise TestFailed, 'long() does not round properly'
  61 if float(1) == 1.0 and float(-1) == -1.0 and float(0) == 0.0: pass
  62 else: raise TestFailed, 'float() does not work properly'
  63 print '6.4.1 32-bit integers'
  64 if 12 + 24 != 36: raise TestFailed, 'int op'
  65 if 12 + (-24) != -12: raise TestFailed, 'int op'
  66 if (-12) + 24 != 12: raise TestFailed, 'int op'
  67 if (-12) + (-24) != -36: raise TestFailed, 'int op'
  68 if not 12 < 24: raise TestFailed, 'int op'
  69 if not -24 < -12: raise TestFailed, 'int op'
  70 # Test for a particular bug in integer multiply
  71 xsize, ysize, zsize = 238, 356, 4
  72 if not (xsize*ysize*zsize == zsize*xsize*ysize == 338912):
  73     raise TestFailed, 'int mul commutativity'
  74 print '6.4.2 Long integers'
  75 if 12L + 24L != 36L: raise TestFailed, 'long op'
  76 if 12L + (-24L) != -12L: raise TestFailed, 'long op'
  77 if (-12L) + 24L != 12L: raise TestFailed, 'long op'
  78 if (-12L) + (-24L) != -36L: raise TestFailed, 'long op'
  79 if not 12L < 24L: raise TestFailed, 'long op'
  80 if not -24L < -12L: raise TestFailed, 'long op'
  81 x = sys.maxint
  82 if int(long(x)) != x: raise TestFailed, 'long op'
  83 try: int(long(x)+1L)
  84 except OverflowError: pass
  85 else:raise TestFailed, 'long op'
  86 x = -x
  87 if int(long(x)) != x: raise TestFailed, 'long op'
  88 x = x-1
  89 if int(long(x)) != x: raise TestFailed, 'long op'
  90 try: int(long(x)-1L)
  91 except OverflowError: pass
  92 else:raise TestFailed, 'long op'
  93 print '6.4.3 Floating point numbers'
  94 if 12.0 + 24.0 != 36.0: raise TestFailed, 'float op'
  95 if 12.0 + (-24.0) != -12.0: raise TestFailed, 'float op'
  96 if (-12.0) + 24.0 != 12.0: raise TestFailed, 'float op'
  97 if (-12.0) + (-24.0) != -36.0: raise TestFailed, 'float op'
  98 if not 12.0 < 24.0: raise TestFailed, 'float op'
  99 if not -24.0 < -12.0: raise TestFailed, 'float op'
 100
 101 print '6.5 Sequence types'
 102
 103 print '6.5.1 Strings'
 104 if len('') != 0: raise TestFailed, 'len(\'\')'
 105 if len('a') != 1: raise TestFailed, 'len(\'a\')'
 106 if len('abcdef') != 6: raise TestFailed, 'len(\'abcdef\')'
 107 if 'xyz' + 'abcde' != 'xyzabcde': raise TestFailed, 'string concatenation'
 108 if 'xyz'*3 != 'xyzxyzxyz': raise TestFailed, 'string repetition *3'
 109 if 0*'abcde' != '': raise TestFailed, 'string repetition 0*'
 110 if min('abc') != 'a' or max('abc') != 'c': raise TestFailed, 'min/max string'
 111 if 'a' in 'abc' and 'b' in 'abc' and 'c' in 'abc' and 'd' not in 'abc': pass
 112 else: raise TestFailed, 'in/not in string'
 113 x = 'x'*103
 114 if '%s!'%x != x+'!': raise TestFailed, 'nasty string formatting bug'
 115
 116 print '6.5.2 Tuples'
 117 if len(()) != 0: raise TestFailed, 'len(())'
 118 if len((1,)) != 1: raise TestFailed, 'len((1,))'
 119 if len((1,2,3,4,5,6)) != 6: raise TestFailed, 'len((1,2,3,4,5,6))'
 120 if (1,2)+(3,4) != (1,2,3,4): raise TestFailed, 'tuple concatenation'
 121 if (1,2)*3 != (1,2,1,2,1,2): raise TestFailed, 'tuple repetition *3'
 122 if 0*(1,2,3) != (): raise TestFailed, 'tuple repetition 0*'
 123 if min((1,2)) != 1 or max((1,2)) != 2: raise TestFailed, 'min/max tuple'
 124 if 0 in (0,1,2) and 1 in (0,1,2) and 2 in (0,1,2) and 3 not in (0,1,2): pass
 125 else: raise TestFailed, 'in/not in tuple'
 126
 127 print '6.5.3 Lists'
 128 if len([]) != 0: raise TestFailed, 'len([])'
 129 if len([1,]) != 1: raise TestFailed, 'len([1,])'
 130 if len([1,2,3,4,5,6]) != 6: raise TestFailed, 'len([1,2,3,4,5,6])'
 131 if [1,2]+[3,4] != [1,2,3,4]: raise TestFailed, 'list concatenation'
 132 if [1,2]*3 != [1,2,1,2,1,2]: raise TestFailed, 'list repetition *3'
 133 if [1,2]*3L != [1,2,1,2,1,2]: raise TestFailed, 'list repetition *3L'
 134 if 0*[1,2,3] != []: raise TestFailed, 'list repetition 0*'
 135 if 0L*[1,2,3] != []: raise TestFailed, 'list repetition 0L*'
 136 if min([1,2]) != 1 or max([1,2]) != 2: raise TestFailed, 'min/max list'
 137 if 0 in [0,1,2] and 1 in [0,1,2] and 2 in [0,1,2] and 3 not in [0,1,2]: pass
 138 else: raise TestFailed, 'in/not in list'
 139 a = [1, 2, 3, 4, 5]
 140 a[:-1] = a
 141 if a != [1, 2, 3, 4, 5, 5]:
 142     raise TestFailed, "list self-slice-assign (head)"
 143 a = [1, 2, 3, 4, 5]
 144 a[1:] = a
 145 if a != [1, 1, 2, 3, 4, 5]:
 146     raise TestFailed, "list self-slice-assign (tail)"
 147 a = [1, 2, 3, 4, 5]
 148 a[1:-1] = a
 149 if a != [1, 1, 2, 3, 4, 5, 5]:
 150     raise TestFailed, "list self-slice-assign (center)"
 151
 152
 153 print '6.5.3a Additional list operations'
 154 a = [0,1,2,3,4]
 155 a[0L] = 1
 156 a[1L] = 2
 157 a[2L] = 3
 158 if a != [1,2,3,3,4]: raise TestFailed, 'list item assignment [0L], [1L], [2L]'
 159 a[0] = 5
 160 a[1] = 6
 161 a[2] = 7
 162 if a != [5,6,7,3,4]: raise TestFailed, 'list item assignment [0], [1], [2]'
 163 a[-2L] = 88
 164 a[-1L] = 99
 165 if a != [5,6,7,88,99]: raise TestFailed, 'list item assignment [-2L], [-1L]'
 166 a[-2] = 8
 167 a[-1] = 9
 168 if a != [5,6,7,8,9]: raise TestFailed, 'list item assignment [-2], [-1]'
 169 a[:2] = [0,4]
 170 a[-3:] = []
 171 a[1:1] = [1,2,3]
 172 if a != [0,1,2,3,4]: raise TestFailed, 'list slice assignment'
 173 a[ 1L : 4L] = [7,8,9]
 174 if a != [0,7,8,9,4]: raise TestFailed, 'list slice assignment using long ints'
 175 del a[1:4]
 176 if a != [0,4]: raise TestFailed, 'list slice deletion'
 177 del a[0]
 178 if a != [4]: raise TestFailed, 'list item deletion [0]'
 179 del a[-1]
 180 if a != []: raise TestFailed, 'list item deletion [-1]'
 181 a=range(0,5)
 182 del a[1L:4L]
 183 if a != [0,4]: raise TestFailed, 'list slice deletion'
 184 del a[0L]
 185 if a != [4]: raise TestFailed, 'list item deletion [0]'
 186 del a[-1L]
 187 if a != []: raise TestFailed, 'list item deletion [-1]'
 188 a.append(0)
 189 a.append(1)
 190 a.append(2)
 191 if a != [0,1,2]: raise TestFailed, 'list append'
 192 a.insert(0, -2)
 193 a.insert(1, -1)
 194 a.insert(2,0)
 195 if a != [-2,-1,0,0,1,2]: raise TestFailed, 'list insert'
 196 if a.count(0) != 2: raise TestFailed, ' list count'
 197 if a.index(0) != 2: raise TestFailed, 'list index'
 198 a.remove(0)
 199 if a != [-2,-1,0,1,2]: raise TestFailed, 'list remove'
 200 a.reverse()
 201 if a != [2,1,0,-1,-2]: raise TestFailed, 'list reverse'
 202 a.sort()
 203 if a != [-2,-1,0,1,2]: raise TestFailed, 'list sort'
 204 def revcmp(a, b): return cmp(b, a)
 205 a.sort(revcmp)
 206 if a != [2,1,0,-1,-2]: raise TestFailed, 'list sort with cmp func'
 207 # The following dumps core in unpatched Python 1.5:
 208 def myComparison(x,y):
 209     return cmp(x%3, y%7)
 210 z = range(12)
 211 z.sort(myComparison)
 212
 213 # Test extreme cases with long ints
 214 a = [0,1,2,3,4]
 215 if a[ -pow(2,128L): 3 ] != [0,1,2]:
 216     raise TestFailed, "list slicing with too-small long integer"
 217 if a[ 3: pow(2,145L) ] != [3,4]:
 218     raise TestFailed, "list slicing with too-large long integer"
 219
 220 print '6.6 Mappings == Dictionaries'
 221 d = {}
 222 if d.keys() != []: raise TestFailed, '{}.keys()'
 223 if d.has_key('a') != 0: raise TestFailed, '{}.has_key(\'a\')'
 224 if len(d) != 0: raise TestFailed, 'len({})'
 225 d = {'a': 1, 'b': 2}
 226 if len(d) != 2: raise TestFailed, 'len(dict)'
 227 k = d.keys()
 228 k.sort()
 229 if k != ['a', 'b']: raise TestFailed, 'dict keys()'
 230 if d.has_key('a') and d.has_key('b') and not d.has_key('c'): pass
 231 else: raise TestFailed, 'dict keys()'
 232 if d['a'] != 1 or d['b'] != 2: raise TestFailed, 'dict item'
 233 d['c'] = 3
 234 d['a'] = 4
 235 if d['c'] != 3 or d['a'] != 4: raise TestFailed, 'dict item assignment'
 236 del d['b']
 237 if d != {'a': 4, 'c': 3}: raise TestFailed, 'dict item deletion'
 238 d = {1:1, 2:2, 3:3}
 239 d.clear()
 240 if d != {}: raise TestFailed, 'dict clear'
 241 d.update({1:100})
 242 d.update({2:20})
 243 d.update({1:1, 2:2, 3:3})
 244 if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict update'
 245 if d.copy() != {1:1, 2:2, 3:3}: raise TestFailed, 'dict copy'
 246 if {}.copy() != {}: raise TestFailed, 'empty dict copy'
 247 # dict.get()
 248 d = {}
 249 if d.get('c') is not None: raise TestFailed, 'missing {} get, no 2nd arg'
 250 if d.get('c', 3) != 3: raise TestFailed, 'missing {} get, w/ 2nd arg'
 251 d = {'a' : 1, 'b' : 2}
 252 if d.get('c') is not None: raise TestFailed, 'missing dict get, no 2nd arg'
 253 if d.get('c', 3) != 3: raise TestFailed, 'missing dict get, w/ 2nd arg'
 254 if d.get('a') != 1: raise TestFailed, 'present dict get, no 2nd arg'
 255 if d.get('a', 3) != 1: raise TestFailed, 'present dict get, w/ 2nd arg'
 256 # dict.setdefault()
 257 d = {}
 258 if d.setdefault('key0') is not None:
 259     raise TestFailed, 'missing {} setdefault, no 2nd arg'
 260 if d.setdefault('key0') is not None:
 261     raise TestFailed, 'present {} setdefault, no 2nd arg'
 262 d.setdefault('key', []).append(3)
 263 if d['key'][0] != 3:
 264     raise TestFailed, 'missing {} setdefault, w/ 2nd arg'
 265 d.setdefault('key', []).append(4)
 266 if len(d['key']) != 2:
 267     raise TestFailed, 'present {} setdefault, w/ 2nd arg'
 268 # dict.popitem()
 269 for copymode in -1, +1:
 270     # -1: b has same structure as a
 271     # +1: b is a.copy()
 272     for log2size in range(12):
 273         size = 2**log2size
 274         a = {}
 275         b = {}
 276         for i in range(size):
 277             a[`i`] = i
 278             if copymode < 0:
 279                 b[`i`] = i
 280         if copymode > 0:
 281             b = a.copy()
 282         for i in range(size):
 283             ka, va = ta = a.popitem()
 284             if va != int(ka): raise TestFailed, "a.popitem: %s" % str(ta)
 285             kb, vb = tb = b.popitem()
 286             if vb != int(kb): raise TestFailed, "b.popitem: %s" % str(tb)
 287             if copymode < 0 and ta != tb:
 288                 raise TestFailed, "a.popitem != b.popitem: %s, %s" % (
 289                     str(ta), str(tb))
 290         if a: raise TestFailed, 'a not empty after popitems: %s' % str(a)
 291         if b: raise TestFailed, 'b not empty after popitems: %s' % str(b)