diff options
Diffstat (limited to 'Lib/test/test_genexps.py')
-rw-r--r-- | Lib/test/test_genexps.py | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/Lib/test/test_genexps.py b/Lib/test/test_genexps.py index 1b24672..cafca57 100644 --- a/Lib/test/test_genexps.py +++ b/Lib/test/test_genexps.py @@ -34,24 +34,24 @@ Test first class Test direct calls to next() >>> g = (i*i for i in range(3)) - >>> g.next() + >>> next(g) 0 - >>> g.next() + >>> next(g) 1 - >>> g.next() + >>> next(g) 4 - >>> g.next() + >>> next(g) Traceback (most recent call last): File "<pyshell#21>", line 1, in -toplevel- - g.next() + next(g) StopIteration Does it stay stopped? - >>> g.next() + >>> next(g) Traceback (most recent call last): File "<pyshell#21>", line 1, in -toplevel- - g.next() + next(g) StopIteration >>> list(g) [] @@ -157,7 +157,7 @@ Generators always return to the most recent caller: >>> def creator(): ... r = yrange(5) - ... print("creator", r.next()) + ... print("creator", next(r)) ... return r >>> def caller(): ... r = creator() @@ -181,32 +181,32 @@ Generators can call other generators: Verify that a gen exp cannot be resumed while it is actively running: - >>> g = (me.next() for i in xrange(10)) + >>> g = (next(me) for i in xrange(10)) >>> me = g - >>> me.next() + >>> next(me) Traceback (most recent call last): File "<pyshell#30>", line 1, in -toplevel- - me.next() + next(me) File "<pyshell#28>", line 1, in <generator expression> - g = (me.next() for i in xrange(10)) + g = (next(me) for i in xrange(10)) ValueError: generator already executing Verify exception propagation >>> g = (10 // i for i in (5, 0, 2)) - >>> g.next() + >>> next(g) 2 - >>> g.next() + >>> next(g) Traceback (most recent call last): File "<pyshell#37>", line 1, in -toplevel- - g.next() + next(g) File "<pyshell#35>", line 1, in <generator expression> g = (10 // i for i in (5, 0, 2)) ZeroDivisionError: integer division or modulo by zero - >>> g.next() + >>> next(g) Traceback (most recent call last): File "<pyshell#38>", line 1, in -toplevel- - g.next() + next(g) StopIteration Make sure that None is a valid return value @@ -217,12 +217,12 @@ Make sure that None is a valid return value Check that generator attributes are present >>> g = (i*i for i in range(3)) - >>> expected = set(['gi_frame', 'gi_running', 'next']) + >>> expected = set(['gi_frame', 'gi_running']) >>> set(attr for attr in dir(g) if not attr.startswith('__')) >= expected True - >>> print(g.next.__doc__) - x.next() -> the next value, or raise StopIteration + >>> print(g.__next__.__doc__) + x.__next__() <==> next(x) >>> import types >>> isinstance(g, types.GeneratorType) True @@ -238,7 +238,7 @@ Verify that the running flag is set properly >>> me = g >>> me.gi_running 0 - >>> me.next() + >>> next(me) 1 >>> me.gi_running 0 |