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31 lines
783 B
Plaintext
31 lines
783 B
Plaintext
import {findClusterBreak} from "../src/index.js"
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function assertEq(a, b) {
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if (a !== b) throw new Error(`${a} !== ${b}`)
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}
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describe("findClusterBreak", () => {
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function test(spec) {
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it(spec, () => {
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let breaks = [], next
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while ((next = spec.indexOf("|")) > -1) {
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breaks.push(next)
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spec = spec.slice(0, next) + spec.slice(next + 1)
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}
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let found = []
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for (let i = 0;;) {
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let next = findClusterBreak(spec, i)
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if (next == spec.length) break
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found.push(i = next)
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}
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assertEq(found.join(","), breaks.join(","))
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})
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}
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test("a|b|c|d")
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test("a|é̠|ő|x")
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test("😎|🙉")
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test("👨🎤|💪🏽|👩👩👧👦|❤")
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test("🇩🇪|🇫🇷|🇪🇸|x|🇮🇹")
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})
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