26 lines
665 B
TypeScript
26 lines
665 B
TypeScript
import { describe, expect, it } from "vitest";
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import { projectBoundedCartesian } from "./boundedCartesianProjection.js";
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describe("bounded Cartesian projection", () => {
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it("stops projection work at the output limit", () => {
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const values = Array.from({ length: 10_000 }, (_, index) => index);
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let projections = 0;
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const result = projectBoundedCartesian(values, values, 3, (left, right) => {
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projections += 1;
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return [left, right] as const;
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});
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expect(result).toEqual({
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values: [
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[0, 0],
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[0, 1],
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[0, 2],
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],
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omitted: 100_000_000 - 3,
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});
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expect(projections).toBe(3);
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});
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});
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