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Handle the non-integer return of __index__ #97

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Merged
ncw merged 4 commits into from
Oct 1, 2019
Merged

Handle the non-integer return of __index__ #97

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ac63290
Handle the non-integer return of __index__
HyeockJinKim Sep 28, 2019
22ccb4a
Handle error of slice in range type
HyeockJinKim Sep 28, 2019
9cc7591
Add tests for __index__
HyeockJinKim Sep 28, 2019
313242b
Add tests for __index__ function
HyeockJinKim Sep 29, 2019
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Add tests for __index__ function 
Add tests for __index__ in list,
tuple, string
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@HyeockJinKim
HyeockJinKim committed Sep 29, 2019
commit 313242b4d6dd99059ef2f6a73b606114555152d2
30 changes: 30 additions & 0 deletions py/tests/list.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,4 +111,34 @@
assertRaises(TypeError, lambda: list.sort(s5, key=1))
assertRaises(TypeError, lambda: list.sort(1))

class Index:
def __index__(self):
return 1

a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
b = Index()
assert a[b] == 1
assert a[b:10] == a[1:10]
assert a[10:b:-1] == a[10:1:-1]

class NonIntegerIndex:
def __index__(self):
return 1.1

a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
b = NonIntegerIndex()
try:
a[b]
except TypeError:
pass
else:
assert False, "TypeError not raised"

try:
a[b:10]
except TypeError:
pass
else:
assert False, "TypeError not raised"

doc="finished"
31 changes: 31 additions & 0 deletions py/tests/string.py
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Original file line number Diff line number Diff line change
Expand Up @@ -886,4 +886,35 @@ def index(s, i):
assert uni[7:7:2] == ''
assert uni[7:7:3] == ''

class Index:
def __index__(self):
return 1

a = '012345678910'
b = Index()
assert a[b] == '1'
assert a[b:10] == a[1:10]
assert a[10:b:-1] == a[10:1:-1]

class NonIntegerIndex:
def __index__(self):
return 1.1

a = '012345678910'
b = NonIntegerIndex()
try:
a[b]
except TypeError:
pass
else:
assert False, "TypeError not raised"

try:
a[b:10]
except TypeError:
pass
else:
assert False, "TypeError not raised"


doc="finished"
30 changes: 30 additions & 0 deletions py/tests/tuple.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,4 +20,34 @@
assert a * 0 == ()
assert a * -1 == ()

class Index:
def __index__(self):
return 1

a = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
b = Index()
assert a[b] == 1
assert a[b:10] == a[1:10]
assert a[10:b:-1] == a[10:1:-1]

class NonIntegerIndex:
def __index__(self):
return 1.1

a = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
b = NonIntegerIndex()
try:
a[b]
except TypeError:
pass
else:
assert False, "TypeError not raised"

try:
a[b:10]
except TypeError:
pass
else:
assert False, "TypeError not raised"

doc="finished"