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乱数をテストするときの心構え
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yamacraft
September 30, 2016
Technology
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乱数をテストするときの心構え
2016年9月30日(金)に開催されたAndroid Testing Bootcamp #4にて発表した資料です。
yamacraft
September 30, 2016
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Transcript
ཚΛςετ͢Δͱ͖ ͷ৺ߏ͑ @yamacraft
profile • @yamacraft (Wataru Yamada) • LeadingMark, inc / team
Y.G.E. • Mobile Application Engineer
ζϯυίΩϤγ ήʔϜ • ྫͷΞϨΛήʔϜԽͨ͠Ξ ϓϦ • Google Play Game ServiceରԠʂ
• https://play.google.com/ store/apps/details? id=jp.yamaglo.yge.zundo kogame
ʮζϯorυίʯ෦ͷ ςετΛೖΕ͍ͨʂ
ʮζϯorυίʯͷ༷ • ϘλϯλοϓͷλΠϛϯάͰZunDokoΫϥεΛੜ͢Δ • ZunDoko.idͰʮζϯʯͱʮυίʯΛผͯ͠σΟεϓϨΠʹग़ྗ • idੜ࣌ʹϥϯμϜͰ0͔1͕ೖ͞ΕΔ • 0͔1͔50:50 •
ʮ100ճZunDokoΫϥεΛੜͨ͠ͱ͖ʹid=0͕50ɺid=1͕ 50ʹͳΔ͔ʯ ← ͍ɺͪΐͬͱ……
ཚΛςετͰ͖Δͷʁ
͑3લʹ௨ա͍ͯͨ͠ • ϥϯμϜʹৼΔ͏ػೳΛ JUnit ͢Δ #ौ୩Java ୈ̏ճ • https://speakerdeck.com/komiya_atsushi/ randamunizhen-ruwu-uji-neng-wo-junit-suru-number-
shibui-gu-java-di-3hui • ԾઆݕఆʗΧΠೋݕఆ • BaseMatcherͷ֦ுΫϥε • https://gist.github.com/komiya-atsushi/6736271
ͱ͍͏Θ͚Ͱಋೖ • https://gist.github.com/komiya-atsushi/6736271 ͦͷ··AndroidͷJUnit4Ͱར༻Մೳ • Apache Commons MathΛ͍ͬͯΔͷͰ testCompileͰՃ͓ͯ͘͠
ͬͯΈΔ • id=0ͱid=1ͷ͕50:50Ͱ༗ҙਫ४Λ5ˋʹઃఆͯ͠ ςετΛ࣮ࢪ
ҙ • ཚੜͷΞϧΰϦζϜ࣍ୈͰςετ௨աͨ͠Γ͠ͳ͔ͬ ͨΓ͢Δ • ࢼߦճͱ༗ҙਫ४ͷௐʹҙ • ଟ͗ͯ͢ςετʹ͕͔͔࣌ؒΔՄೳੑ • ༗ҙਫ४͕ΏΔ͗ͯ͢ʹؾ͔ͮͳ͍Մೳੑ
• ʮཚͷᘳͳςετͰ͖ͳ͍ʯͱ͍͏͍ҙࣝΛͬ ͯऔΓ͏
͓͠·͍ • https://gist.github.com/komiya-atsushi/6736271 • ϥϯμϜʹৼΔ͏ػೳΛ JUnit ͢Δ • https://speakerdeck.com/komiya_atsushi/ randamunizhen-ruwu-uji-neng-wo-junit-suru-number-
shibui-gu-java-di-3hui • org.hamcrest.BaseMatcherΛ֦ுͯ͠assertThat()Ͱ͏ • http://d.hatena.ne.jp/ihiroky/20090916/1253076366