118     def validate(self, code):  member in GrammarTest
123             self.validate(code)
132         self.validate("a @ b")
133         self.validate("a @= b")
138         self.validate("yield from x")
139         self.validate("(yield from x) + y")
145         self.validate("raise")
148         self.validate("raise E, V")
151         self.validate("raise E, V, T")
157         self.validate("raise E1 from E2")
177         self.validate("""func(1, *(2, 3), 4)""")
180         self.validate("""func(**{'eggs':'scrambled', 'spam':'fried'})""")
183         self.validate("""func(spam='fried', **{'eggs':'scrambled'})""")
186         self.validate("""[*{2}, 3, *[4]]""")
189         self.validate("""{*{2}, 3, *[4]}""")
192         self.validate("""{**{}}""")
195         self.validate("""{**{}, 3:4, **{5:6, 7:8}}""")
198         self.validate("""f(a, *b, *c, d)""")
201         self.validate("""f(**a, **b)""")
204         self.validate("""f(2, *a, *b, **b, **c, **d)""")
210         self.validate("""def f(x) -> list: pass""")
213         self.validate("""def f(x:int): pass""")
216         self.validate("""def f(*x:str): pass""")
219         self.validate("""def f(**x:float): pass""")
222         self.validate("""def f(x, y:1+2): pass""")
225         self.validate("""def f(a, (b:1, c:2, d)): pass""")
228         self.validate("""def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6): pass""")
233         self.validate(s)
243         self.validate(s)
251         self.validate(s)
257         self.validate("""x = {'one'}""")
260         self.validate("""x = {'one', 1,}""")
263         self.validate("""x = {'one', 'two', 'three'}""")
266         self.validate("""x = {2, 3, 4,}""")
271         self.validate("""0o7777777777777""")
275         self.validate("""0b101010""")
281         self.validate("class B(t=7): pass")
282         self.validate("class B(t, *args): pass")
283         self.validate("class B(t, **kwargs): pass")
284         self.validate("class B(t, *args, **kwargs): pass")
285         self.validate("class B(t, y=9, *args, **kwargs): pass")
317     def validate(self, s):  member in TestLiterals
327         self.validate(s)
336         self.validate(s)
345         self.validate(s)