|
| 1 | +from panda3d import core |
| 2 | + |
| 3 | + |
| 4 | +def test_sparse_array_set_bit_to(): |
| 5 | + """Tests SparseArray behavior for set_bit_to().""" |
| 6 | + |
| 7 | + s = core.SparseArray() |
| 8 | + s.set_bit_to(5, True) |
| 9 | + assert s.get_bit(5) |
| 10 | + |
| 11 | + s = core.SparseArray.all_on() |
| 12 | + s.set_bit_to(5, False) |
| 13 | + assert not s.get_bit(5) |
| 14 | + |
| 15 | + |
| 16 | +def test_sparse_array_clear(): |
| 17 | + """Tests SparseArray behavior for clear().""" |
| 18 | + |
| 19 | + s = core.SparseArray.all_on() |
| 20 | + s.clear() |
| 21 | + assert s.is_zero() |
| 22 | + assert not s.is_inverse() |
| 23 | + assert s.get_num_subranges() == 0 |
| 24 | + assert s.get_num_on_bits() == 0 |
| 25 | + assert s.get_num_bits() == 0 |
| 26 | + |
| 27 | + s = core.SparseArray() |
| 28 | + s.set_range(5, 10) |
| 29 | + s.clear() |
| 30 | + assert s.is_zero() |
| 31 | + assert not s.is_inverse() |
| 32 | + assert s.get_num_subranges() == 0 |
| 33 | + assert s.get_num_on_bits() == 0 |
| 34 | + assert s.get_num_bits() == 0 |
| 35 | + |
| 36 | + |
| 37 | +def test_sparse_array_clear_range(): |
| 38 | + # Not using parametrize because there are too many values for that. |
| 39 | + for mask in range(0x7f): |
| 40 | + for begin in range(8): |
| 41 | + for size in range(8): |
| 42 | + b = core.BitArray(mask) |
| 43 | + s = core.SparseArray(b) |
| 44 | + |
| 45 | + s.clear_range(begin, size) |
| 46 | + b.clear_range(begin, size) |
| 47 | + |
| 48 | + assert core.BitArray(s) == b |
| 49 | + assert s == core.SparseArray(b) |
| 50 | + |
| 51 | + |
| 52 | +def test_sparse_array_set_clear_ranges(): |
| 53 | + """Tests SparseArray behavior for setting and clearing ranges.""" |
| 54 | + |
| 55 | + # test clear_range with single overlapping on-range |
| 56 | + # (clear_range extends beyond highest on-bit) |
| 57 | + s = core.SparseArray() |
| 58 | + s.set_range(2, 3) |
| 59 | + s.clear_range(3, 3) |
| 60 | + assert s.get_bit(2) |
| 61 | + assert not s.get_bit(3) |
| 62 | + |
| 63 | + # same as above, using set_range_to |
| 64 | + s = core.SparseArray() |
| 65 | + s.set_range_to(True, 2, 3) |
| 66 | + s.set_range_to(False, 3, 3) |
| 67 | + assert s.get_bit(2) |
| 68 | + assert not s.get_bit(3) |
| 69 | + |
| 70 | + # test clear_range using off-range which overlaps two on-ranges |
| 71 | + # (lowest off-bit in lowest on-range, highest off-bit in highest on-range) |
| 72 | + s = core.SparseArray() |
| 73 | + s.set_range(2, 3) |
| 74 | + s.set_range(7, 3) |
| 75 | + s.clear_range(3, 6) |
| 76 | + assert s.get_bit(2) |
| 77 | + assert not s.get_bit(3) |
| 78 | + assert not s.get_bit(8) |
| 79 | + assert s.get_bit(9) |
| 80 | + |
| 81 | + # same as above, using set_range_to |
| 82 | + s = core.SparseArray() |
| 83 | + s.set_range_to(True, 2, 3) |
| 84 | + s.set_range_to(True, 7, 3) |
| 85 | + s.set_range_to(False, 3, 6) |
| 86 | + assert s.get_bit(2) |
| 87 | + assert not s.get_bit(3) |
| 88 | + assert not s.get_bit(8) |
| 89 | + assert s.get_bit(9) |
| 90 | + |
| 91 | + |
| 92 | +def test_sparse_array_set_range(): |
| 93 | + """Tests SparseArray behavior for set_range().""" |
| 94 | + |
| 95 | + # test set_range with single overlapping off-range |
| 96 | + # (set_range extends beyond highest off-bit) |
| 97 | + s = core.SparseArray.all_on() |
| 98 | + s.clear_range(2, 3) |
| 99 | + s.set_range(3, 3) |
| 100 | + assert not s.get_bit(2) |
| 101 | + assert s.get_bit(3) |
| 102 | + |
| 103 | + # same as above, using set_range_to |
| 104 | + s = core.SparseArray.all_on() |
| 105 | + s.set_range_to(False, 2, 3) |
| 106 | + s.set_range_to(True, 3, 3) |
| 107 | + assert not s.get_bit(2) |
| 108 | + assert s.get_bit(3) |
| 109 | + |
| 110 | + # test set_range using on-range which overlaps two off-ranges |
| 111 | + # (lowest on-bit in lowest off-range, highest on-bit in highest off-range) |
| 112 | + s = core.SparseArray.all_on() |
| 113 | + s.clear_range(2, 3) |
| 114 | + s.clear_range(7, 3) |
| 115 | + s.set_range(3, 6) |
| 116 | + assert not s.get_bit(2) |
| 117 | + assert s.get_bit(3) |
| 118 | + assert s.get_bit(8) |
| 119 | + assert not s.get_bit(9) |
| 120 | + |
| 121 | + # same as above, using set_range_to |
| 122 | + s = core.SparseArray.all_on() |
| 123 | + s.set_range_to(False, 2, 3) |
| 124 | + s.set_range_to(False, 7, 3) |
| 125 | + s.set_range_to(True, 3, 6) |
| 126 | + assert not s.get_bit(2) |
| 127 | + assert s.get_bit(3) |
| 128 | + assert s.get_bit(8) |
| 129 | + assert not s.get_bit(9) |
| 130 | + |
| 131 | + |
| 132 | +def test_sparse_array_bits_in_common(): |
| 133 | + """Tests SparseArray behavior for has_bits_in_common().""" |
| 134 | + |
| 135 | + s = core.SparseArray() |
| 136 | + t = core.SparseArray() |
| 137 | + s.set_range(2, 4) |
| 138 | + t.set_range(5, 4) |
| 139 | + assert s.has_bits_in_common(t) |
| 140 | + |
| 141 | + s = core.SparseArray() |
| 142 | + t = core.SparseArray() |
| 143 | + s.set_range(2, 4) |
| 144 | + t.set_range(6, 4) |
| 145 | + assert not s.has_bits_in_common(t) |
| 146 | + |
| 147 | + |
| 148 | +def test_sparse_array_operations(): |
| 149 | + """Tests SparseArray behavior for various operations.""" |
| 150 | + |
| 151 | + # test bitshift to left |
| 152 | + s = core.SparseArray() |
| 153 | + s.set_bit(2) |
| 154 | + t = s << 2 |
| 155 | + assert t.get_bit(4) |
| 156 | + assert not t.get_bit(2) |
| 157 | + |
| 158 | + # test bitshift to right |
| 159 | + s = core.SparseArray() |
| 160 | + s.set_bit(4) |
| 161 | + t = s >> 2 |
| 162 | + assert t.get_bit(2) |
| 163 | + assert not t.get_bit(4) |
| 164 | + |
| 165 | + # test bitwise AND |
| 166 | + s = core.SparseArray() |
| 167 | + t = core.SparseArray() |
| 168 | + s.set_bit(2) |
| 169 | + s.set_bit(3) |
| 170 | + t.set_bit(1) |
| 171 | + t.set_bit(3) |
| 172 | + u = s & t |
| 173 | + assert not u.get_bit(0) |
| 174 | + assert not u.get_bit(1) |
| 175 | + assert not u.get_bit(2) |
| 176 | + assert u.get_bit(3) |
| 177 | + |
| 178 | + # test bitwise OR |
| 179 | + s = core.SparseArray() |
| 180 | + t = core.SparseArray() |
| 181 | + s.set_bit(2) |
| 182 | + s.set_bit(3) |
| 183 | + t.set_bit(1) |
| 184 | + t.set_bit(3) |
| 185 | + u = s | t |
| 186 | + assert not u.get_bit(0) |
| 187 | + assert u.get_bit(1) |
| 188 | + assert u.get_bit(2) |
| 189 | + assert u.get_bit(3) |
| 190 | + |
| 191 | + # test bitwise XOR |
| 192 | + s = core.SparseArray() |
| 193 | + t = core.SparseArray() |
| 194 | + s.set_bit(2) |
| 195 | + s.set_bit(3) |
| 196 | + t.set_bit(1) |
| 197 | + t.set_bit(3) |
| 198 | + u = s ^ t |
| 199 | + assert not u.get_bit(0) |
| 200 | + assert u.get_bit(1) |
| 201 | + assert u.get_bit(2) |
| 202 | + assert not u.get_bit(3) |
| 203 | + |
| 204 | + |
| 205 | +def test_sparse_array_augm_assignment(): |
| 206 | + """Tests SparseArray behavior for augmented assignments.""" |
| 207 | + |
| 208 | + # test in-place bitshift to left |
| 209 | + s = t = core.SparseArray() |
| 210 | + t <<= 2 |
| 211 | + assert s is t |
| 212 | + |
| 213 | + # test in-place bitshift to right |
| 214 | + s = t = core.SparseArray() |
| 215 | + t >>= 2 |
| 216 | + assert s is t |
| 217 | + |
| 218 | + # test in-place bitwise AND |
| 219 | + s = t = core.SparseArray() |
| 220 | + u = core.SparseArray() |
| 221 | + t &= u |
| 222 | + assert s is t |
| 223 | + |
| 224 | + # test in-place bitwise OR |
| 225 | + s = t = core.SparseArray() |
| 226 | + u = core.SparseArray() |
| 227 | + t |= u |
| 228 | + assert s is t |
| 229 | + |
| 230 | + # test in-place bitwise XOR |
| 231 | + s = t = core.SparseArray() |
| 232 | + u = core.SparseArray() |
| 233 | + t ^= u |
| 234 | + assert s is t |
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