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23 lines
409 B
23 lines
409 B
5 years ago
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export const tests = []
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const t = (f) => tests.push(f)
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// id is declared and is a function
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t(() => typeof id === 'function')
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// id take 1 argument
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t(() => id.length === 1)
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// id return numbers back
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t(() => id(5) === 5)
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// id return strings back
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t(() => id('pouet') === 'pouet')
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// id return itself, why not
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t(() => id(id) === id)
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// id return anything really
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t((_) => id(_) === _)
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Object.freeze(tests)
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