KotlinTest で始める Property-based Testing/kotlintest-property-based-testing

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class AddSpec: StringSpec({ "add" { forall( row(1, 1, 2), row(2, 3, 5) ) { a, b, expected -> (a + b) shouldBe expected } } }) ೖྗ஋ͱظ଴஋Λ༻ҙͯ͠ 1 + 1 = 2 / 2 + 3 = 5

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class AddSpec: StringSpec({ "add" { forall( row(1, 1, 2), row(2, 3, 5) ) { a, b, expected -> (a + b) shouldBe expected } } }) ݁Ռͱظ଴஋͕Ұக͢Δ͔ʁ 1 + 1 = 2 / 2 + 3 = 5

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. KotlinTestͰݕূ class AddProperty: StringSpec({ "commutative" { assertAll { a: Int, b: Int -> (a + b) shouldBe (b + a) } } }) BCCBͰ͋Δ͜ͱ ϥϯμϜͳೖྗ஋ʹରͯ͠ ຬͨ͞ΕΔ΂͖ੑ࣭Λݕূ ৗʹ

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