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Math:gen_rngのテストを改善 #660

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merged 3 commits into from
May 16, 2024
Merged

Math:gen_rngのテストを改善 #660

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4cb7919
improve test: Math:gen_rng
salano-ym May 13, 2024
e758cef
Math:gen_rngのテストにコメントを追加
salano-ym May 13, 2024
f4f8603
refactor index.ts
salano-ym May 13, 2024
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30 changes: 22 additions & 8 deletions test/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3301,18 +3301,32 @@ describe('std', () => {
});

test.concurrent('gen_rng', async () => {
const res = await exe(`
@test(seed) {
let random = Math:gen_rng(seed)
return random(0 100)
// 2つのシード値から1~maxの乱数をn回生成して一致率を見る
const res = await exe(`
@test(seed1, seed2) {
let n = 100
let max = 100000
let threshold = 0.05
let random1 = Math:gen_rng(seed1)
let random2 = Math:gen_rng(seed2)
var same = 0
for n {
if random1(1, max) == random2(1, max) {
same += 1
}
}
let rate = same / n
if seed1 == seed2 { rate == 1 }
else { rate < threshold }
}
let seed1 = \`{Util:uuid()}\`
let seed2 = \`{Date:year()}\`
let test1 = if (test(seed1) == test(seed1)) {true} else {false}
let test2 = if (test(seed1) == test(seed2)) {true} else {false}
<: [test1 test2]
<: [
test(seed1, seed1)
test(seed1, seed2)
]
`)
eq(res, ARR([BOOL(true), BOOL(false)]));
eq(res, ARR([BOOL(true), BOOL(true)]));
});
});

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