示例#1
0
def SEnv_parent_redefine_test():
    p = SEnvironment()
    p.define('x', 3)
    e = SEnvironment(p)
    e.define('x', 5)
    eq_(e.lookup('x'), 5)
    eq_(p.lookup('x'), 3)
示例#2
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def SEnv_lookup_test():
    e = SEnvironment()
    e.define('x', 5)
    eq_(e.lookup('x'), 5)
示例#3
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def SEnv_use_undefined_variable_test():
    p = SEnvironment()
    p.lookup('x')
示例#4
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def SEnv_parent_lookup_test():
    p = SEnvironment()
    p.define('x', 5)
    e = SEnvironment(p)
    eq_(e.lookup('x'), 5)
示例#5
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def SEnv_set_test():
    e = SEnvironment()
    e.define('x', 3)
    e.set('x', 5)
    eq_(e.lookup('x'), 5)