diff options
Diffstat (limited to 'Lib/test/test_syntax.py')
-rw-r--r-- | Lib/test/test_syntax.py | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py index 5134dcb..5f16a15 100644 --- a/Lib/test/test_syntax.py +++ b/Lib/test/test_syntax.py @@ -351,6 +351,210 @@ SyntaxError: invalid syntax Traceback (most recent call last): SyntaxError: invalid syntax +>>> def foo(/,a,b=,c): +... pass +Traceback (most recent call last): +SyntaxError: at least one argument must precede / + +>>> def foo(a,/,/,b,c): +... pass +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> def foo(a,/,a1,/,b,c): +... pass +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> def foo(a=1,/,/,*b,/,c): +... pass +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> def foo(a,/,a1=1,/,b,c): +... pass +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> def foo(a,*b,c,/,d,e): +... pass +Traceback (most recent call last): +SyntaxError: / must be ahead of * + +>>> def foo(a=1,*b,c=3,/,d,e): +... pass +Traceback (most recent call last): +SyntaxError: / must be ahead of * + +>>> def foo(a,*b=3,c): +... pass +Traceback (most recent call last): +SyntaxError: var-positional argument cannot have default value + +>>> def foo(a,*b: int=,c): +... pass +Traceback (most recent call last): +SyntaxError: var-positional argument cannot have default value + +>>> def foo(a,**b=3): +... pass +Traceback (most recent call last): +SyntaxError: var-keyword argument cannot have default value + +>>> def foo(a,**b: int=3): +... pass +Traceback (most recent call last): +SyntaxError: var-keyword argument cannot have default value + +>>> def foo(a,*a, b, **c, d): +... pass +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> def foo(a,*a, b, **c, d=4): +... pass +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> def foo(a,*a, b, **c, *d): +... pass +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> def foo(a,*a, b, **c, **d): +... pass +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> def foo(a=1,/,**b,/,c): +... pass +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> def foo(*b,*d): +... pass +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> def foo(a,*b,c,*d,*e,c): +... pass +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> def foo(a,b,/,c,*b,c,*d,*e,c): +... pass +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> def foo(a,b,/,c,*b,c,*d,**e): +... pass +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> def foo(a=1,/*,b,c): +... pass +Traceback (most recent call last): +SyntaxError: expected comma between / and * + +>>> def foo(a=1,d=,c): +... pass +Traceback (most recent call last): +SyntaxError: expected default value expression + +>>> def foo(a,d=,c): +... pass +Traceback (most recent call last): +SyntaxError: expected default value expression + +>>> def foo(a,d: int=,c): +... pass +Traceback (most recent call last): +SyntaxError: expected default value expression + +>>> lambda /,a,b,c: None +Traceback (most recent call last): +SyntaxError: at least one argument must precede / + +>>> lambda a,/,/,b,c: None +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> lambda a,/,a1,/,b,c: None +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> lambda a=1,/,/,*b,/,c: None +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> lambda a,/,a1=1,/,b,c: None +Traceback (most recent call last): +SyntaxError: / may appear only once + +>>> lambda a,*b,c,/,d,e: None +Traceback (most recent call last): +SyntaxError: / must be ahead of * + +>>> lambda a=1,*b,c=3,/,d,e: None +Traceback (most recent call last): +SyntaxError: / must be ahead of * + +>>> lambda a=1,/*,b,c: None +Traceback (most recent call last): +SyntaxError: expected comma between / and * + +>>> lambda a,*b=3,c: None +Traceback (most recent call last): +SyntaxError: var-positional argument cannot have default value + +>>> lambda a,**b=3: None +Traceback (most recent call last): +SyntaxError: var-keyword argument cannot have default value + +>>> lambda a, *a, b, **c, d: None +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> lambda a,*a, b, **c, d=4: None +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> lambda a,*a, b, **c, *d: None +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> lambda a,*a, b, **c, **d: None +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> lambda a=1,/,**b,/,c: None +Traceback (most recent call last): +SyntaxError: arguments cannot follow var-keyword argument + +>>> lambda *b,*d: None +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> lambda a,*b,c,*d,*e,c: None +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> lambda a,b,/,c,*b,c,*d,*e,c: None +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> lambda a,b,/,c,*b,c,*d,**e: None +Traceback (most recent call last): +SyntaxError: * argument may appear only once + +>>> lambda a=1,d=,c: None +Traceback (most recent call last): +SyntaxError: expected default value expression + +>>> lambda a,d=,c: None +Traceback (most recent call last): +SyntaxError: expected default value expression + >>> import ast; ast.parse(''' ... def f( ... *, # type: int |