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cb65407 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | # Copyright cocotb contributors
# Licensed under the Revised BSD License, see LICENSE for details.
# SPDX-License-Identifier: BSD-3-Clause
import pytest
from cocotb.types import Array, Range, concat
def test_value_only_construction():
a = Array("1234")
assert a.left == 0
assert a.direction == "to"
assert a.right == 3
def test_both_construction():
a = Array("1234", Range(-2, 1))
assert a.left == -2
assert a.direction == "to"
assert a.right == 1
with pytest.raises(ValueError):
Array("1234", Range(0, 1))
def test_bad_construction():
with pytest.raises(TypeError):
Array()
with pytest.raises(TypeError):
Array(value=1)
with pytest.raises(TypeError):
Array(range=Range(0, 1))
with pytest.raises(ValueError):
Array(value="1234", range=Range(0, 1))
with pytest.raises(TypeError):
Array(value="1234", range=object())
def test_length():
a = Array("123456")
assert len(a) == 6
def test_range():
r = Range(-2, 1)
a = Array(value="0123", range=r)
assert a.range == r
def test_equality():
assert Array("1234", Range(1, 4)) == Array("1234", Range(1, 4))
assert Array("1234", Range(1, 4)) == Array("1234", Range(0, -3))
assert Array("1234", Range(1, 4)) != Array("4321", Range(1, 4))
assert Array("1234") != Array("12")
assert Array("1234") != "1234"
assert Array("1234") != 8
def test_repr_eval():
r = Array("1234")
assert eval(repr(r)) == r
def test_iter():
val = [7, True, object(), "example"]
a = Array(val)
assert list(a) == val
def test_reversed():
val = [7, True, object(), "example"]
a = Array(val)
assert list(reversed(a)) == list(reversed(val))
def test_contains():
a = Array([7, True, object(), "example"])
assert True in a
assert 89 not in a
def test_index():
r = Array(i for j in range(10) for i in range(10)) # 0-9 repeated 10 times
assert r.index(5) == 5
assert r.index(5, 10, 20) == 15
with pytest.raises(IndexError):
r.index(object())
def test_count():
assert Array("011X1Z").count("1") == 3
def test_indexing():
a = Array("1234", Range(8, "to", 11))
assert a[8] == "1"
with pytest.raises(IndexError):
a[0]
a[11] = False
assert a[11] is False
b = Array("1234", Range(10, "downto", 7))
assert b[8] == "3"
with pytest.raises(IndexError):
b[-2]
b[8] = 9
assert b[8] == 9
def test_bad_indexing():
with pytest.raises(TypeError):
Array("1234")[list()]
with pytest.raises(TypeError):
Array("1234")[object()] = 9
def test_slicing():
a = Array("testingstuff")
b = a[2:6]
assert b.left == 2
assert b.right == 6
assert b == Array("sting")
a[0:3] = "hack"
assert a == Array("hackingstuff")
def test_slicing_infered_start_stop():
a = Array([1, 2, 3, 4])
assert a[:] == a
a[:] = "1234"
assert a == Array("1234")
def test_dont_specify_step():
with pytest.raises(IndexError):
Array("1234")[::1]
with pytest.raises(IndexError):
Array("7896")[1:2:1] = [1, 2]
def test_slice_direction_mismatch():
a = Array([1, 2, 3, 4], Range(10, "downto", 7))
with pytest.raises(IndexError):
a[7:9]
with pytest.raises(IndexError):
a[9:10] = ["a", "b"]
def test_set_slice_wrong_length():
a = Array("example")
with pytest.raises(ValueError):
a[2:4] = "real bad"
def test_slice_correct_infered():
a = Array("1234")
b = a[:0]
assert b.right == 0
def test_array_concat():
l = Array("01ZX", Range(0, "to", 3))
p = Array("1101")
r = concat(l, p)
assert r == Array("01ZX1101")
with pytest.raises(TypeError):
concat(l, "nope")
with pytest.raises(TypeError):
concat("nope", l)
def test_array_concat_promotion():
class MyArray(Array[int]):
...
assert type(concat(Array([]), Array([]))) is Array
assert type(concat(MyArray([]), Array([]))) is Array
assert type(concat(Array([]), MyArray([]))) is Array
assert type(concat(MyArray([]), MyArray([]))) is MyArray
def test_changing_range():
a = Array("1234")
a.range = Range(3, "downto", 0)
assert a.range == Range(3, "downto", 0)
with pytest.raises(TypeError):
a.range = range(10)
with pytest.raises(ValueError):
a.range = Range(7, "downto", 0)
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