並行・並列処理のテストは難しい

Transcript

1. த໺
   ڿਓ
   
   (.0
   1&1"#0
   JOD
   
   ʲϖύϘºϓϨΠυʳ5FDI
   .FFUVQ
   ʙࣗಈςετɾ$*ฤʙ ฒߦɾฒྻॲཧͷςετ͸೉͍͠
2. 8&#ΞϓϦέʔγϣϯΤϯδχΞ
   ػೳ։ൃνʔϜ த໺
   ڿਓ ͖͋ͬʔ
   !/","/0@"LJIJUP &$ࣄۀ෦
   Χϥʔϛʔγϣοϓάϧʔϓ IUUQBDLJOUPTIHJUIVCJP
3. Χϥʔϛʔγϣοϓ
4. ܅΋ϖύϘͰಇ͔ͳ͍͔ʁ ࠷৽ͷ࠾༻৘ใΛνΣοΫˠ !QC@SFDSVJU
5. ฒߦɾฒྻॲཧͷςετ
6. ฒߦɾฒྻॲཧʁ Կʹ͍ͭͯͷൃදͳͷ͔Πϝʔδ͠΍͍͢Α͏ʹ
   ͸͡Ίʹ໌֬ʹ͓͖ͯ͠·͢ʂ
7. ฒߦɺฒྻɺඇಉظɺ෼ࢄʜ ϚϧνεϨου
   Ϛϧνϓϩηε ͪ͜Βʹ͍ͭͯͷൃදͰ͢ ෺ཧతʹಠཱͨ͠ෳ਺ͷϊʔυͰ
   ฒߦɾฒྻ
8. ͳͥฒߦɾฒྻॲཧΛςʔϚʹʁ
9. ฒߦɾฒྻॲཧɹ׆༻ͷྲྀΕ wϓϩηοαߴ଎Խ͔ΒϚϧνίΞ΁
   wϦιʔεΛޮ཰తʹ׆༻͢ΔͨΊʹฒߦɾฒྻॲཧ͕஫໨͞ΕΔ
   wฒߦɾฒྻॲཧ͕ಘҙͳݴޠ͕࿩୊ʹ
   w3VCZձٞ
   Ͱ͸
   (VJME
   ͕ఏҊ͞Εͨ
10. 1)1
11. 4OJEFM
    εφΠσϧ IUUQTHJUIVCDPNBDLJOUPTITOJEFM
    खܰʹϚϧνϓϩηεͰ͖Δ
    ࢠϓϩηεͷॲཧ݁ՌΛड͚औΕΔ
    ϚελʔʗϫʔΧʔϞσϧ
    1)1
    
    Ҏ্
    
12. ϓϧϦΫΤετ׻ܴʂ IUUQTHJUIVCDPNBDLJOUPTITOJEFM
13. ຊ୊
14. ฒߦɾฒྻॲཧͷ೉͠͞Λςετͷ؍఺Ͱ
15. λΠϛϯά໰୊
16. ϓϩμΫτίʔυ class Foo def run Thread.new do # ৭ʑ @done = true end # ৭ʑ end end
17. ςετίʔυ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run sleep 1 assert_true foo.done end end
18. ςετίʔυ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run sleep 1 assert_true foo.done end end ෆ҆ఆ
    
    
19. εςοϓ
    ॲཧΛ੾Γग़͢
20. ϓϩμΫτίʔυ
    ͜ΕΛʜ class Foo def run Thread.new do # ৭ʑ @done = true end # ৭ʑ end end
21. ϓϩμΫτίʔυ
    ͜͏ʂ class Foo def run Thread.new do # ৭ʑ @done = self.do end # ৭ʑ end def do # ৭ʑ true end end
22. ςετίʔυ
    ͜ΕΛʜ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run sleep 1 assert_true foo.done end end
23. ςετίʔυ
    ͜͏ʂ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run sleep 1 assert_true foo.done end def test_do assert_true Foo.new.do end end
24. ඇಉظͳ෦෼Λ
    ಉظॲཧͱͯ͠ςετͰ͖ΔΑ͏ʹͳͬͨʂ
25. )VNCMF
    0CKFDU
    ύλʔϯ
    Y6OJU
    5FTU
    1BUUFSOT
    $I
26. ͕͔ͩ͠͠
27. ςετίʔυ
    ·ͩ໰୊͸ղܾ͍ͯ͠ͳ͍ʜ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run sleep 1 assert_true foo.done end def test_do assert_true Foo.new.do end end ෆ҆ఆ
    
    
28. εςοϓ
    ϝοηʔδύογϯάΛ࢖͏
29. lϝϞϦͷ্ͰγΣΞ͢ΔͷͰ͸ͳ͘
    ίϛϡχέʔγϣϯͰγΣΞ͢Δz 4J[FE2VFVF
    Λ࢖ͬͯ
    ͦΕͬΆ͍͜ͱΛ΍Γ·͢
30. ϓϩμΫτίʔυ
    ͜ΕΛʜ class Foo def run Thread.new do # ৭ʑ @done = self.do end # ৭ʑ end def do # ৭ʑ true end end
31. ϓϩμΫτίʔυ
    ͜͏ʂ class Foo def initialize @done = SizedQueue.new(1) end def run Thread.new do # ৭ʑ @done << self.do end # ৭ʑ end … (ུ) … end
32. ςετίʔυ
    ͜ΕΛʜ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run sleep 1 assert_true foo.done end def test_do assert_true Foo.new.do end end
33. ςετίʔυ
    ͜͏ʂ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run assert_true foo.done.pop end def test_do assert_true Foo.new.do end end
34. λΠϛϯά໰୊ ղܾʂ
35. ଞʹ΋ w ౰εϥΠυͰ͸൚༻తͳςΫχοΫͷ͝঺հͰ͕ͨ͠
    w ݴޠ΍ϑϨʔϜϫʔΫ͕ఏڙ͢Δศརػೳ΋͋Γ·͢
    w ྫ
    (Pݴޠͷ
    3BDF
    %FUFDUPS
36. ·ͱΊ
37. ·ͱΊ w ฒߦɾฒྻॲཧͷ೉͠͞ʹ΋ςετͰର߅Ͱ͖Δ
    w ಛ༗ͷϓϥΫςΟε͕͋Δ
    w ஌ݟΛڞ༗͍͖ͯ͠·͠ΐ͏ʂʂ̍