import assert from "assert"
import { read } from "./read"
import fs from "fs"

describe("reader", () => {
  const data = fs.readFileSync("./fixtures/tracks.mid")
  it("throws with empty input", () => {
    assert.throws(() => read([]))
  })
  it("reads Buffer", () => {
    const midi = read(data)
    assert.equal(midi.header.formatType, 1)
    assert.equal(midi.header.ticksPerBeat, 480)
    assert.equal(midi.header.trackCount, 18)
    assert.equal(midi.tracks.length, 18)
  })
})