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21 lines
779 B
21 lines
779 B
Array.prototype.slice = undefined |
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String.prototype.slice = undefined |
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// /*/ // ⚡ |
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export const tests = [] |
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const t = (f) => tests.push(f) |
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// handle String |
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t(() => slice('abcdef', 2) === 'cdef') |
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t(() => slice('abcdef', -2) === 'ef') |
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t(() => slice('abcdef', 0, 2) === 'ab') |
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t(() => slice('abcdef', 0, -2) === 'abcd') |
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t(() => slice('abcdef', 2, 4) === 'cd') |
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t(() => slice('abcdef', -3, -1) === 'de') |
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// handle Array |
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t(({ eq }) => eq(slice([1, 2, 3, 4, 5, 6], 2), [3, 4, 5, 6])) |
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t(({ eq }) => eq(slice([1, 2, 3, 4, 5, 6], -2), [5, 6])) |
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t(({ eq }) => eq(slice([1, 2, 3, 4, 5, 6], 0, 2), [1, 2])) |
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t(({ eq }) => eq(slice([1, 2, 3, 4, 5, 6], 0, -2), [1, 2, 3, 4])) |
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t(({ eq }) => eq(slice([1, 2, 3, 4, 5, 6], 2, 4), [3, 4])) |
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t(({ eq }) => eq(slice([1, 2, 3, 4, 5, 6], -3, -1), [4, 5]))
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