並行・並列処理のテストは難しい

1.

த໺ڿਓ(.01&1"#0JOD ʲϖύϘºϓϨΠυʳ5FDI.FFUVQʙࣗಈςετɾ$*ฤʙ ฒߦɾฒྻॲཧͷςετ͸೉͍͠

2.

8&#ΞϓϦέʔγϣϯΤϯδχΞ ػೳ։ൃνʔϜ த໺ڿਓ ͖͋ͬʔ !/","/0@"LJIJUP &$ࣄۀ෦Χϥʔϛʔγϣοϓάϧʔϓ 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 w3VCZձٞͰ͸(VJME͕ఏҊ͞Εͨ

10.

1)1

11.

4OJEFM εφΠσϧ IUUQTHJUIVCDPNBDLJOUPTITOJEFM खܰʹϚϧνϓϩηεͰ͖Δ ࢠϓϩηεͷॲཧ݁ՌΛड͚औΕΔ ϚελʔʗϫʔΧʔϞσϧ 1)1Ҏ্

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.

ϓϩμΫτίʔυ͜ΕΛʜ class Foo def run Thread.new do # ৭ʑ @done
= true end # ৭ʑ end end

21.

ϓϩμΫτίʔυ͜͏ʂ class Foo def run Thread.new do # ৭ʑ @done
= self.do end # ৭ʑ end def do # ৭ʑ true end end

22.

ςετίʔυ͜ΕΛʜ class FooTest < Test::Unit::TestCase def test_run (foo = Foo.new).run
sleep 1 assert_true foo.done end end

23.

ςετίʔυ͜͏ʂ 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.

)VNCMF0CKFDUύλʔϯ Y6OJU5FTU1BUUFSOT$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[FE2VFVFΛ࢖ͬͯ ͦΕͬΆ͍͜ͱΛ΍Γ·͢

30.

ϓϩμΫτίʔυ͜ΕΛʜ class Foo def run Thread.new do # ৭ʑ @done
= self.do end # ৭ʑ end def do # ৭ʑ true end end

31.

ϓϩμΫτίʔυ͜͏ʂ class Foo def initialize @done = SizedQueue.new(1) end def
run Thread.new do # ৭ʑ @done << self.do end # ৭ʑ end … (ུ) … end

32.

ςετίʔυ͜ΕΛʜ 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.

ςετίʔυ͜͏ʂ 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 ྫ(Pݴޠͷ3BDF%FUFDUPS

36.

·ͱΊ

37.

·ͱΊ w ฒߦɾฒྻॲཧͷ೉͠͞ʹ΋ςετͰର߅Ͱ͖Δ w ಛ༗ͷϓϥΫςΟε͕͋Δ w ஌ݟΛڞ༗͍͖ͯ͠·͠ΐ͏ʂʂ̍

並行・並列処理のテストは難しい

並行・並列処理のテストは難しい

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