test_interface.py 文件源码

def testClassImplements(self):
        self.assert_(IC.implementedBy(C))

        self.assert_(I1.implementedBy(A))
        self.assert_(I1.implementedBy(B))
        self.assert_(not I1.implementedBy(C))
        self.assert_(I1.implementedBy(D))
        self.assert_(I1.implementedBy(E))

        self.assert_(not I2.implementedBy(A))
        self.assert_(I2.implementedBy(B))
        self.assert_(not I2.implementedBy(C))

        # No longer after interfacegeddon
        # self.assert_(not I2.implementedBy(D))

        self.assert_(not I2.implementedBy(E))