mirror of
https://github.com/RustPython/RustPython.git
synced 2026-06-02 19:39:49 +09:00
206 lines
6.4 KiB
Python
206 lines
6.4 KiB
Python
from testutils import assert_raises
|
|
|
|
a = slice(10)
|
|
assert a.start == None
|
|
assert a.stop == 10
|
|
assert a.step == None
|
|
|
|
a = slice(0, 10, 1)
|
|
assert a.start == 0
|
|
assert a.stop == 10
|
|
assert a.step == 1
|
|
|
|
assert slice(10).__repr__() == "slice(None, 10, None)"
|
|
assert slice(None).__repr__() == "slice(None, None, None)"
|
|
assert slice(0, 10, 13).__repr__() == "slice(0, 10, 13)"
|
|
assert slice("0", 1.1, 2 + 3j).__repr__() == "slice('0', 1.1, (2+3j))"
|
|
|
|
assert slice(10) == slice(10)
|
|
assert slice(-1) != slice(1)
|
|
assert slice(0, 10, 3) != slice(0, 11, 3)
|
|
assert slice(0, None, 3) != slice(0, "a", 3)
|
|
assert slice(0, "a", 3) == slice(0, "a", 3)
|
|
|
|
assert slice(0, 0, 0).__eq__(slice(0, 0, 0))
|
|
assert not slice(0, 0, 1).__eq__(slice(0, 0, 0))
|
|
assert not slice(0, 1, 0).__eq__(slice(0, 0, 0))
|
|
assert not slice(1, 0, 0).__eq__(slice(0, 0, 0))
|
|
assert slice(1, 0, 0).__ne__(slice(0, 0, 0))
|
|
assert slice(0, 1, 0).__ne__(slice(0, 0, 0))
|
|
assert slice(0, 0, 1).__ne__(slice(0, 0, 0))
|
|
|
|
assert slice(0).__eq__(0) == NotImplemented
|
|
assert slice(0).__ne__(0) == NotImplemented
|
|
assert slice(None).__ne__(slice(0))
|
|
|
|
# slice gt, ge, lt, le
|
|
assert_raises(TypeError, lambda: slice(0, slice(), 0) < slice(0, 0, 0))
|
|
assert_raises(TypeError, lambda: slice(0, slice(), 0) <= slice(0, 0, 0))
|
|
assert_raises(TypeError, lambda: slice(0, slice(), 0) > slice(0, 0, 0))
|
|
assert_raises(TypeError, lambda: slice(0, slice(), 0) >= slice(0, 0, 0))
|
|
|
|
assert_raises(TypeError, lambda: slice(0, 0, 0) < slice(0, 0, slice()))
|
|
assert_raises(TypeError, lambda: slice(0, 0, 0) <= slice(0, 0, slice()))
|
|
assert_raises(TypeError, lambda: slice(0, 0, 0) > slice(0, 0, slice()))
|
|
assert_raises(TypeError, lambda: slice(0, 0, 0) >= slice(0, 0, slice()))
|
|
|
|
assert_raises(TypeError, lambda: slice(0, 0) >= slice(0, 0, 0))
|
|
assert_raises(TypeError, lambda: slice(0, 0) <= slice(0, 0, 0))
|
|
assert_raises(TypeError, lambda: slice(0, 0) < slice(0, 0, 0))
|
|
assert_raises(TypeError, lambda: slice(0, 0) > slice(0, 0, 0))
|
|
|
|
assert slice(0, 0, 0) < slice(0, 1, -1)
|
|
assert slice(0, 0, 0) < slice(0, 0, 1)
|
|
assert slice(0, 0, 0) > slice(0, 0, -1)
|
|
assert slice(0, 0, 0) >= slice(0, 0, -1)
|
|
assert not slice(0, 0, 0) <= slice(0, 0, -1)
|
|
|
|
assert slice(0, 0, 0) > slice(0, -1, 1)
|
|
assert slice(0, 0, 0) >= slice(0, -1, 1)
|
|
assert slice(0, 0, 0) >= slice(0, -1, 1)
|
|
|
|
assert slice(0, 0, 0) <= slice(0, 0, 1)
|
|
assert slice(0, 0, 0) <= slice(0, 0, 0)
|
|
assert slice(0, 0, 0) <= slice(0, 0, 0)
|
|
assert not slice(0, 0, 0) > slice(0, 0, 0)
|
|
assert not slice(0, 0, 0) < slice(0, 0, 0)
|
|
|
|
assert not slice(0, float("nan"), float("nan")) <= slice(0, float("nan"), 1)
|
|
assert not slice(0, float("nan"), float("nan")) <= slice(0, float("nan"), float("nan"))
|
|
assert not slice(0, float("nan"), float("nan")) >= slice(0, float("nan"), float("nan"))
|
|
assert not slice(0, float("nan"), float("nan")) < slice(0, float("nan"), float("nan"))
|
|
assert not slice(0, float("nan"), float("nan")) > slice(0, float("nan"), float("nan"))
|
|
|
|
assert slice(0, float("inf"), float("inf")) >= slice(0, float("inf"), 1)
|
|
assert slice(0, float("inf"), float("inf")) <= slice(0, float("inf"), float("inf"))
|
|
assert slice(0, float("inf"), float("inf")) >= slice(0, float("inf"), float("inf"))
|
|
assert not slice(0, float("inf"), float("inf")) < slice(0, float("inf"), float("inf"))
|
|
assert not slice(0, float("inf"), float("inf")) > slice(0, float("inf"), float("inf"))
|
|
|
|
assert_raises(TypeError, lambda: slice(0) < 3)
|
|
assert_raises(TypeError, lambda: slice(0) > 3)
|
|
assert_raises(TypeError, lambda: slice(0) <= 3)
|
|
assert_raises(TypeError, lambda: slice(0) >= 3)
|
|
|
|
assert slice(None).indices(10) == (0, 10, 1)
|
|
assert slice(None, None, 2).indices(10) == (0, 10, 2)
|
|
assert slice(1, None, 2).indices(10) == (1, 10, 2)
|
|
assert slice(None, None, -1).indices(10) == (9, -1, -1)
|
|
assert slice(None, None, -2).indices(10) == (9, -1, -2)
|
|
assert slice(3, None, -2).indices(10) == (3, -1, -2)
|
|
|
|
# issue 3004 tests
|
|
assert slice(None, -9).indices(10) == (0, 1, 1)
|
|
assert slice(None, -10).indices(10) == (0, 0, 1)
|
|
assert slice(None, -11).indices(10) == (0, 0, 1)
|
|
assert slice(None, -10, -1).indices(10) == (9, 0, -1)
|
|
assert slice(None, -11, -1).indices(10) == (9, -1, -1)
|
|
assert slice(None, -12, -1).indices(10) == (9, -1, -1)
|
|
assert slice(None, 9).indices(10) == (0, 9, 1)
|
|
assert slice(None, 10).indices(10) == (0, 10, 1)
|
|
assert slice(None, 11).indices(10) == (0, 10, 1)
|
|
assert slice(None, 8, -1).indices(10) == (9, 8, -1)
|
|
assert slice(None, 9, -1).indices(10) == (9, 9, -1)
|
|
assert slice(None, 10, -1).indices(10) == (9, 9, -1)
|
|
|
|
assert slice(-100, 100).indices(10) == slice(None).indices(10)
|
|
|
|
assert slice(100, -100, -1).indices(10) == slice(None, None, -1).indices(10)
|
|
|
|
assert slice(-100, 100, 2).indices(10) == (0, 10, 2)
|
|
|
|
try:
|
|
slice(None, None, 0)
|
|
assert "zero step" == "throws an exception"
|
|
except:
|
|
pass
|
|
|
|
a = []
|
|
b = [1, 2]
|
|
c = list(range(10))
|
|
d = "123456"
|
|
|
|
slice_a = slice(5)
|
|
assert slice_a.start is None
|
|
assert slice_a.stop == 5
|
|
assert slice_a.step is None
|
|
|
|
slice_b = slice(1, 5)
|
|
assert slice_b.start == 1
|
|
assert slice_b.stop == 5
|
|
assert slice_b.step is None
|
|
|
|
slice_c = slice(1, 5, 2)
|
|
assert slice_c.start == 1
|
|
assert slice_c.stop == 5
|
|
assert slice_c.step == 2
|
|
|
|
a = object()
|
|
slice_d = slice(a, "v", 1.0)
|
|
assert slice_d.start is a
|
|
assert slice_d.stop == "v"
|
|
assert slice_d.step == 1.0
|
|
|
|
|
|
class SubScript(object):
|
|
def __getitem__(self, item):
|
|
assert type(item) == slice
|
|
|
|
def __setitem__(self, key, value):
|
|
assert type(key) == slice
|
|
|
|
|
|
ss = SubScript()
|
|
_ = ss[:]
|
|
ss[:1] = 1
|
|
|
|
|
|
class CustomIndex:
|
|
def __init__(self, x):
|
|
self.x = x
|
|
|
|
def __index__(self):
|
|
return self.x
|
|
|
|
|
|
assert c[CustomIndex(1) : CustomIndex(3)] == [1, 2]
|
|
assert d[CustomIndex(1) : CustomIndex(3)] == "23"
|
|
|
|
|
|
def test_all_slices():
|
|
"""
|
|
test all possible slices except big number
|
|
"""
|
|
|
|
mod = __import__("cpython_generated_slices")
|
|
|
|
ll = mod.LL
|
|
start = mod.START
|
|
end = mod.END
|
|
step = mod.STEP
|
|
slices_res = mod.SLICES_RES
|
|
|
|
count = 0
|
|
failures = []
|
|
for s in start:
|
|
for e in end:
|
|
for t in step:
|
|
lhs = ll[s:e:t]
|
|
try:
|
|
assert lhs == slices_res[count]
|
|
except AssertionError:
|
|
failures.append(
|
|
"start: {} ,stop: {}, step {}. Expected: {}, found: {}".format(
|
|
s, e, t, lhs, slices_res[count]
|
|
)
|
|
)
|
|
count += 1
|
|
|
|
if failures:
|
|
for f in failures:
|
|
print(f)
|
|
print(len(failures), "slices failed")
|
|
|
|
|
|
test_all_slices()
|