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