self.assertRaises(SyntaxError, eval, 'lambda a,a:0')
self.assertRaises(SyntaxError, eval, 'lambda a,a=1:0')
self.assertRaises(SyntaxError, eval, 'lambda a=1,a=1:0')
- try:
- exec('def f(a, a): pass')
- self.fail("duplicate arguments")
- except SyntaxError:
- pass
- try:
- exec('def f(a = 0, a = 1): pass')
- self.fail("duplicate keyword arguments")
- except SyntaxError:
- pass
- try:
- exec('def f(a): global a; a = 1')
- self.fail("variable is global and local")
- except SyntaxError:
- pass
+ self.assertRaises(SyntaxError, exec, 'def f(a, a): pass')
+ self.assertRaises(SyntaxError, exec, 'def f(a = 0, a = 1): pass')
+ self.assertRaises(SyntaxError, exec, 'def f(a): global a; a = 1')
def test_syntax_error(self):
self.assertRaises(SyntaxError, compile, "1+*3", "filename", "exec")
self.assertRaises(SyntaxError, compile, "f(None=1)", "<string>", "exec")
def test_duplicate_global_local(self):
- try:
- exec('def f(a): global a; a = 1')
- self.fail("variable is global and local")
- except SyntaxError:
- pass
+ self.assertRaises(SyntaxError, exec, 'def f(a): global a; a = 1')
def test_exec_with_general_mapping_for_locals(self):
self.assertEqual(m.results, ('z', g))
exec('z = locals()', g, m)
self.assertEqual(m.results, ('z', m))
- try:
- exec('z = b', m)
- except TypeError:
- pass
- else:
- self.fail('Did not validate globals as a real dict')
+ self.assertRaises(TypeError, exec, 'z = b', m)
class A:
"Non-mapping"
pass
m = A()
- try:
- exec('z = a', g, m)
- except TypeError:
- pass
- else:
- self.fail('Did not validate locals as a mapping')
+ self.assertRaises(TypeError, exec, 'z = a', g, m)
# Verify that dict subclasses work as well
class D(dict):
self.assertEqual(g['f'](5), 0)
def test_argument_order(self):
- try:
- exec('def f(a=1, b): pass')
- self.fail("non-default args after default")
- except SyntaxError:
- pass
+ self.assertRaises(SyntaxError, exec, 'def f(a=1, b): pass')
def test_float_literals(self):
# testing bad float literals