import { describe, it, expect } from "bun:test";
import { gcTick } from "./gc";
import { concatArrayBuffers } from "bun";
describe("concat", () => {
function polyfill(chunks) {
var size = 0;
for (const chunk of chunks) {
size += chunk.byteLength;
}
var buffer = new ArrayBuffer(size);
var view = new Uint8Array(buffer);
var offset = 0;
for (const chunk of chunks) {
view.set(chunk, offset);
offset += chunk.byteLength;
}
return buffer;
}
function concatToString(chunks) {
return Array.from(new Uint8Array(concatArrayBuffers(chunks))).join("");
}
function polyfillToString(chunks) {
return Array.from(new Uint8Array(polyfill(chunks))).join("");
}
it("works with one element", () => {
expect(concatToString([new Uint8Array([123])])).toBe(
polyfillToString([new Uint8Array([123])])
);
});
it("works with two elements", () => {
expect(
concatToString([Uint8Array.from([123]), Uint8Array.from([456])])
).toBe(polyfillToString([Uint8Array.from([123]), Uint8Array.from([456])]));
});
it("works with mix of ArrayBuffer and TypedArray elements", () => {
expect(
concatToString([Uint8Array.from([123]).buffer, Uint8Array.from([456])])
).toBe(polyfillToString([Uint8Array.from([123]), Uint8Array.from([456])]));
});
});
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