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40 lines
964 B
40 lines
964 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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// more is declared and is a function and take 1 argument
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t(() => typeof more === 'function')
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t(() => more.length === 1)
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// more works with positive numbers
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t(() => more(5) === 6)
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t(() => more(more(more(5))) === 8) // more more more !!
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// ok that's enough, let's do less, is it even declared ?
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t(() => typeof less === 'function')
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t(() => less.length === 1)
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// less decrease argument by 1
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t(() => less(5) === 4)
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t(() => less(1) === more(-1))
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// let's add now
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t(() => typeof add === 'function')
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t(() => add.length === 2)
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t(() => add(3, 10) === 13)
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t(() => add(-1, -1) === -2)
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// do the sub thingy
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t(() => typeof sub === 'function')
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t(() => sub.length === 2)
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t(() => sub(-1, -1) === 0)
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t(() => sub(3, 10) === -7)
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// I can combine all of them
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t(() => add(more(10), sub(less(5), 10)) === 5)
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const rand = Math.random()
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t(() => less(rand) === rand - 1)
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t(() => more(rand) === rand + 1)
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Object.freeze(tests)
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