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klemens
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Merge branch 'master' into spelling
2 parents 79a7e5e + 3376808 commit b109ea9

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Lines changed: 1482 additions & 584 deletions

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‎tests/snippets/bools.py‎

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@@ -40,8 +40,6 @@ def __bool__(self):
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assert not (False and fake)
4141
assert (True and 5) == 5
4242

43-
assert bool.__doc__ == "bool(x) -> bool\n\nReturns True when the argument x is true, False otherwise.\nThe builtins True and False are the only two instances of the class bool.\nThe class bool is a subclass of the class int, and cannot be subclassed."
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# Bools are also ints.
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assert isinstance(True, int)
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assert True + True == 2

‎tests/snippets/builtin_enumerate.py‎

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@@ -0,0 +1,23 @@
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assert list(enumerate(['a', 'b', 'c'])) == [(0, 'a'), (1, 'b'), (2, 'c')]
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3+
assert type(enumerate([])) == enumerate
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5+
assert list(enumerate(['a', 'b', 'c'], -100)) == [(-100, 'a'), (-99, 'b'), (-98, 'c')]
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assert list(enumerate(['a', 'b', 'c'], 2**200)) == [(2**200, 'a'), (2**200 + 1, 'b'), (2**200 + 2, 'c')]
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8+
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# test infinite iterator
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class Counter(object):
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counter = 0
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def __next__(self):
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self.counter += 1
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return self.counter
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def __iter__(self):
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return self
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it = enumerate(Counter())
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assert next(it) == (0, 1)
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assert next(it) == (1, 2)

‎tests/snippets/builtin_range.py‎

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Original file line numberDiff line numberDiff line change
@@ -18,14 +18,42 @@ def assert_raises(expr, exc_type):
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assert range(2**63+1)[2**63] == 9223372036854775808
2020

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# len tests
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assert len(range(10, 5)) == 0, 'Range with no elements should have length = 0'
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assert len(range(10, 5, -2)) == 3, 'Expected length 3, for elements: 10, 8, 6'
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assert len(range(5, 10, 2)) == 3, 'Expected length 3, for elements: 5, 7, 9'
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# index tests
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assert range(10).index(6) == 6
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assert range(4, 10).index(6) == 2
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assert range(4, 10, 2).index(6) == 1
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assert range(10, 4, -2).index(8) == 1
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# index raises value error on out of bounds
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assert_raises(lambda _: range(10).index(-1), ValueError)
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assert_raises(lambda _: range(10).index(10), ValueError)
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# index raises value error if out of step
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assert_raises(lambda _: range(4, 10, 2).index(5), ValueError)
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# index raises value error if needle is not an int
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assert_raises(lambda _: range(10).index('foo'), ValueError)
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# __bool__
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assert range(1).__bool__()
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assert range(1, 2).__bool__()
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assert not range(0).__bool__()
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assert not range(1, 1).__bool__()
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# __contains__
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assert range(10).__contains__(6)
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assert range(4, 10).__contains__(6)
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assert range(4, 10, 2).__contains__(6)
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assert range(10, 4, -2).__contains__(10)
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assert range(10, 4, -2).__contains__(8)
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assert not range(10).__contains__(-1)
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assert not range(10, 4, -2).__contains__(9)
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assert not range(10, 4, -2).__contains__(4)
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assert not range(10).__contains__('foo')

‎tests/snippets/builtin_slice.py‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,77 @@
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a = []
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assert a[:] == []
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assert a[:2**100] == []
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assert a[-2**100:] == []
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assert a[::2**100] == []
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assert a[10:20] == []
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assert a[-20:-10] == []
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b = [1, 2]
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assert b[:] == [1, 2]
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assert b[:2**100] == [1, 2]
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assert b[-2**100:] == [1, 2]
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assert b[2**100:] == []
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assert b[::2**100] == [1]
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assert b[-10:1] == [1]
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assert b[0:0] == []
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assert b[1:0] == []
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try:
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_ = b[::0]
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except ValueError:
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pass
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else:
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assert False, "Zero step slice should raise ValueError"
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assert b[::-1] == [2, 1]
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assert b[1::-1] == [2, 1]
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assert b[0::-1] == [1]
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assert b[0:-5:-1] == [1]
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assert b[:0:-1] == [2]
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assert b[5:0:-1] == [2]
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c = list(range(10))
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assert c[9:6:-3] == [9]
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assert c[9::-3] == [9, 6, 3, 0]
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assert c[9::-4] == [9, 5, 1]
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assert c[8::-2**100] == [8]
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assert c[7:7:-2] == []
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assert c[7:8:-2] == []
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d = "123456"
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assert d[3::-1] == "4321"
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assert d[4::-3] == "52"
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50+
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slice_a = slice(5)
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assert slice_a.start is None
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assert slice_a.stop == 5
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assert slice_a.step is None
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slice_b = slice(1, 5)
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assert slice_b.start == 1
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assert slice_b.stop == 5
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assert slice_b.step is None
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slice_c = slice(1, 5, 2)
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assert slice_c.start == 1
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assert slice_c.stop == 5
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assert slice_c.step == 2
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class SubScript(object):
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def __getitem__(self, item):
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assert type(item) == slice
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def __setitem__(self, key, value):
72+
assert type(key) == slice
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ss = SubScript()
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_ = ss[:]
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ss[:1] = 1

‎tests/snippets/builtin_zip.py‎

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@@ -0,0 +1,24 @@
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assert list(zip(['a', 'b', 'c'], range(3), [9, 8, 7, 99])) == [('a', 0, 9), ('b', 1, 8), ('c', 2, 7)]
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assert list(zip(['a', 'b', 'c'])) == [('a',), ('b',), ('c',)]
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assert list(zip()) == []
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assert list(zip(*zip(['a', 'b', 'c'], range(1, 4)))) == [('a', 'b', 'c'), (1, 2, 3)]
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8+
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# test infinite iterator
10+
class Counter(object):
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def __init__(self, counter=0):
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self.counter = counter
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def __next__(self):
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self.counter += 1
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return self.counter
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18+
def __iter__(self):
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return self
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it = zip(Counter(), Counter(3))
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assert next(it) == (1, 4)
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assert next(it) == (2, 5)

‎tests/snippets/builtins.py‎

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Original file line numberDiff line numberDiff line change
@@ -5,12 +5,8 @@
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# TODO:
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# assert callable(callable)
77

8-
assert list(enumerate(['a', 'b', 'c'])) == [(0, 'a'), (1, 'b'), (2, 'c')]
9-
108
assert type(frozenset) is type
119

12-
assert list(zip(['a', 'b', 'c'], range(3), [9, 8, 7, 99])) == [('a', 0, 9), ('b', 1, 8), ('c', 2, 7)]
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1410
assert 3 == eval('1+2')
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1612
code = compile('5+3', 'x.py', 'eval')

‎tests/snippets/division_by_zero.py‎

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@@ -0,0 +1,34 @@
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try:
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5 / 0
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except ZeroDivisionError:
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pass
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else:
6+
assert False, 'Expected ZeroDivisionError'
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8+
try:
9+
5 / -0.0
10+
except ZeroDivisionError:
11+
pass
12+
else:
13+
assert False, 'Expected ZeroDivisionError'
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try:
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5 / (2-2)
17+
except ZeroDivisionError:
18+
pass
19+
else:
20+
assert False, 'Expected ZeroDivisionError'
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try:
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5 % 0
24+
except ZeroDivisionError:
25+
pass
26+
else:
27+
assert False, 'Expected ZeroDivisionError'
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29+
try:
30+
raise ZeroDivisionError('Is an ArithmeticError subclass?')
31+
except ArithmeticError:
32+
pass
33+
else:
34+
assert False, 'Expected ZeroDivisionError'

‎tests/snippets/numbers.py‎

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Original file line numberDiff line numberDiff line change
@@ -2,8 +2,6 @@
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x.__init__(6)
33
assert x == 5
44

5-
assert int.__doc__ == "int(x=0) -> integer\nint(x, base=10) -> integer\n\nConvert a number or string to an integer, or return 0 if no arguments\nare given. If x is a number, return x.__int__(). For floating point\nnumbers, this truncates towards zero.\n\nIf x is not a number or if base is given, then x must be a string,\nbytes, or bytearray instance representing an integer literal in the\ngiven base. The literal can be preceded by '+' or '-' and be surrounded\nby whitespace. The base defaults to 10. Valid bases are 0 and 2-36.\nBase 0 means to interpret the base from the string as an integer literal.\n>>> int('0b100', base=0)\n4"
6-
75

86
class A(int):
97
pass

‎tests/snippets/tuple.py‎

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Original file line numberDiff line numberDiff line change
@@ -15,3 +15,7 @@
1515

1616
assert y < x, "tuple __lt__ failed"
1717
assert x > y, "tuple __gt__ failed"
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20+
b = (1,2,3)
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assert b.index(2) == 1

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