2013-06-29 | Paul Boddie | file changeset files shortlog | Separated handling of getattr attribute usage from normal program unit usage, tracking only newly introduced program constants when evaluating the effects of getattr usage, and thus limiting the amount of work done identifying new program units to investigate on each occasion. | syspython-as-target |
paul@297 | 1 | #!/usr/bin/env python |
paul@297 | 2 | |
paul@297 | 3 | """ |
paul@297 | 4 | This test attempts to guard 'obj' in 'test_one' with only an instance check for |
paul@297 | 5 | D instances. In the process, the unused methods should be discarded. |
paul@297 | 6 | """ |
paul@297 | 7 | |
paul@297 | 8 | class C: |
paul@297 | 9 | def f(self): # unused |
paul@297 | 10 | return 1 |
paul@297 | 11 | |
paul@297 | 12 | class D: |
paul@297 | 13 | def f(self): |
paul@297 | 14 | return 2 |
paul@297 | 15 | |
paul@297 | 16 | def __init__(self, g): |
paul@297 | 17 | self.g = g |
paul@297 | 18 | |
paul@297 | 19 | class E: |
paul@297 | 20 | def f(self): # unused |
paul@297 | 21 | return 4 |
paul@297 | 22 | |
paul@297 | 23 | def h(self): # unused |
paul@297 | 24 | return 5 |
paul@297 | 25 | |
paul@297 | 26 | def test_one(obj): |
paul@380 | 27 | # obj: f, g |
paul@380 | 28 | obj.f() |
paul@380 | 29 | return obj.g |
paul@297 | 30 | |
paul@297 | 31 | c = C() |
paul@297 | 32 | d = D(4) |
paul@297 | 33 | e = E() |
paul@297 | 34 | result1_4 = test_one(d) |
paul@297 | 35 | |
paul@297 | 36 | # vim: tabstop=4 expandtab shiftwidth=4 |