Guido van Rossum | 447b4a0 | 1999-03-26 16:20:45 +0000 | [diff] [blame^] | 1 | # Check every path through every method of UserList |
| 2 | |
| 3 | from UserList import UserList |
| 4 | |
| 5 | l0 = [] |
| 6 | l1 = [0] |
| 7 | l2 = [0, 1] |
| 8 | |
| 9 | # Test constructors |
| 10 | |
| 11 | u = UserList() |
| 12 | u0 = UserList(l0) |
| 13 | u1 = UserList(l1) |
| 14 | u2 = UserList(l2) |
| 15 | |
| 16 | uu = UserList(u) |
| 17 | uu0 = UserList(u0) |
| 18 | uu1 = UserList(u1) |
| 19 | uu2 = UserList(u2) |
| 20 | |
| 21 | # Test __repr__ |
| 22 | |
| 23 | assert str(u0) == str(l0) |
| 24 | assert repr(u1) == repr(l1) |
| 25 | assert `u2` == `l2` |
| 26 | |
| 27 | # Test __cmp__ and __len__ |
| 28 | |
| 29 | def mycmp(a, b): |
| 30 | r = cmp(a, b) |
| 31 | if r < 0: return -1 |
| 32 | if r > 0: return 1 |
| 33 | return r |
| 34 | |
| 35 | all = [l0, l1, l2, u, u0, u1, u2, uu, uu0, uu1, uu2] |
| 36 | for a in all: |
| 37 | for b in all: |
| 38 | assert mycmp(a, b) == mycmp(len(a), len(b)) |
| 39 | |
| 40 | # Test __getitem__ |
| 41 | |
| 42 | for i in range(len(u2)): |
| 43 | assert u2[i] == i |
| 44 | |
| 45 | # Test __setitem__ |
| 46 | |
| 47 | uu2[0] = 0 |
| 48 | uu2[1] = 100 |
| 49 | try: |
| 50 | uu2[2] = 200 |
| 51 | except IndexError: |
| 52 | pass |
| 53 | else: |
| 54 | assert 0, "uu2[2] shouldn't be assignable" |
| 55 | |
| 56 | # Test __delitem__ |
| 57 | |
| 58 | del uu2[1] |
| 59 | del uu2[0] |
| 60 | try: |
| 61 | del uu2[0] |
| 62 | except IndexError: |
| 63 | pass |
| 64 | else: |
| 65 | assert 0, "uu2[0] shouldn't be deletable" |
| 66 | |
| 67 | # Test __getslice__ |
| 68 | |
| 69 | for i in range(-3, 4): |
| 70 | assert u2[:i] == l2[:i] |
| 71 | assert u2[i:] == l2[i:] |
| 72 | for j in range(-3, 4): |
| 73 | assert u2[i:j] == l2[i:j] |
| 74 | |
| 75 | # Test __setslice__ |
| 76 | |
| 77 | for i in range(-3, 4): |
| 78 | u2[:i] = l2[:i] |
| 79 | assert u2 == l2 |
| 80 | u2[i:] = l2[i:] |
| 81 | assert u2 == l2 |
| 82 | for j in range(-3, 4): |
| 83 | u2[i:j] = l2[i:j] |
| 84 | assert u2 == l2 |
| 85 | |
| 86 | uu2 = u2[:] |
| 87 | uu2[:0] = [-2, -1] |
| 88 | assert uu2 == [-2, -1, 0, 1] |
| 89 | uu2[0:] = [] |
| 90 | assert uu2 == [] |
| 91 | |
| 92 | # Test __delslice__ |
| 93 | |
| 94 | uu2 = u2[:] |
| 95 | del uu2[1:2] |
| 96 | del uu2[0:1] |
| 97 | assert uu2 == [] |
| 98 | |
| 99 | uu2 = u2[:] |
| 100 | del uu2[1:] |
| 101 | del uu2[:1] |
| 102 | assert uu2 == [] |
| 103 | |
| 104 | # Test __add__, __radd__, __mul__ and __rmul__ |
| 105 | |
| 106 | assert u1 + [] == [] + u1 == u1 |
| 107 | assert u1 + [1] == u2 |
| 108 | assert [-1] + u1 == [-1, 0] |
| 109 | assert u2 == u2*1 == 1*u2 |
| 110 | assert u2+u2 == u2*2 == 2*u2 |
| 111 | assert u2+u2+u2 == u2*3 == 3*u2 |
| 112 | |
| 113 | # Test append |
| 114 | |
| 115 | u = u1[:] |
| 116 | u.append(1) |
| 117 | assert u == u2 |
| 118 | |
| 119 | # Test insert |
| 120 | |
| 121 | u = u2[:] |
| 122 | u.insert(0, -1) |
| 123 | assert u == [-1, 0, 1] |
| 124 | |
| 125 | # Test pop |
| 126 | |
| 127 | u = [-1] + u2 |
| 128 | u.pop() |
| 129 | assert u == [-1, 0] |
| 130 | u.pop(0) |
| 131 | assert u == [0] |
| 132 | |
| 133 | # Test remove |
| 134 | |
| 135 | u = u2[:] |
| 136 | u.remove(1) |
| 137 | assert u == u1 |
| 138 | |
| 139 | # Test count |
| 140 | u = u2*3 |
| 141 | assert u.count(0) == 3 |
| 142 | assert u.count(1) == 3 |
| 143 | assert u.count(2) == 0 |
| 144 | |
| 145 | |
| 146 | # Test index |
| 147 | |
| 148 | assert u2.index(0) == 0 |
| 149 | assert u2.index(1) == 1 |
| 150 | try: |
| 151 | u2.index(2) |
| 152 | except ValueError: |
| 153 | pass |
| 154 | else: |
| 155 | assert 0, "expected ValueError" |
| 156 | |
| 157 | # Test reverse |
| 158 | |
| 159 | u = u2[:] |
| 160 | u.reverse() |
| 161 | assert u == [1, 0] |
| 162 | u.reverse() |
| 163 | assert u == u2 |
| 164 | |
| 165 | # Test sort |
| 166 | |
| 167 | u = UserList([1, 0]) |
| 168 | u.sort() |
| 169 | assert u == u2 |
| 170 | |
| 171 | # Test extend |
| 172 | |
| 173 | u = u1[:] |
| 174 | u.extend(u2) |
| 175 | assert u == u1 + u2 |
| 176 | |