def test_check_all_functions():
st = SymbolTable()
foo = [1,2,3]
bar = 'hi'
st.add('a', foo)
st.add('b', bar)
eq_(st.find('a'), foo)
eq_(st.find('b'), bar)
st.remove('a')
assert not st.find('a')
assert not st.check_scope('a')
eq_(st.check_scope('b'), bar)
st.add('c', foo)
with st.in_scope() as st:
assert st.find('c') == foo
assert st.find('b') == bar
assert not st.check_scope('c')
assert not st.check_scope('b')
st.add('b', foo)
assert st.find('b') == foo
eq_(st.find('b'), bar)
def test_simple():
st = SymbolTable()
val = 1
st.add('a', val)
eq_(st.find('a'), val)
st.enter_scope()
eq_(st.find('a'), val)
st.leave_scope()
eq_(st.find('a'), val)
def test_check_scoping():
st = SymbolTable()
for val in xrange(0, 10):
st.enter_scope()
st.add('a', val)
for val in xrange(9, -1, -1):
assert st.find('a') == val
st.leave_scope()
