Tester for broken EXIF autorotate in Jimp

out.log

------------
    testing: Landscape_1.jpg
orientation: 1
      width: 600
     height: 450
non-0 bytes: yes
 sleeping... 500ms
orientation: 1
      width: 600
     height: 450
non-0 bytes: yes
orientation: 1
      width: 600
     height: 450
non-0 bytes: yes


------------
    testing: Landscape_2.jpg
orientation: 2
      width: 600
     height: 450
non-0 bytes: yes
 sleeping... 500ms
orientation: 2
      width: 600
     height: 450
non-0 bytes: yes
orientation: 2
      width: 600
     height: 450
non-0 bytes: yes


------------
    testing: Landscape_3.jpg
orientation: 3
      width: 602
     height: 602
non-0 bytes: no
 sleeping... 500ms
orientation: 3
      width: 602
     height: 602
non-0 bytes: no
orientation: 3
      width: 602
     height: 602
non-0 bytes: no


------------
    testing: Landscape_4.jpg
orientation: 4
      width: 600
     height: 450
non-0 bytes: yes
 sleeping... 500ms
orientation: 4
      width: 600
     height: 450
non-0 bytes: yes
orientation: 4
      width: 600
     height: 450
non-0 bytes: yes


------------
    testing: Landscape_5.jpg
orientation: 5
      width: 602
     height: 602
non-0 bytes: no
 sleeping... 500ms
orientation: 5
      width: 602
     height: 602
non-0 bytes: no
orientation: 5
      width: 602
     height: 602
non-0 bytes: no


------------
    testing: Landscape_6.jpg
orientation: 6
      width: 602
     height: 602
non-0 bytes: no
 sleeping... 500ms
orientation: 6
      width: 602
     height: 602
non-0 bytes: no
orientation: 6
      width: 602
     height: 602
non-0 bytes: no


------------
    testing: Landscape_7.jpg
orientation: 7
      width: 602
     height: 602
non-0 bytes: no
 sleeping... 500ms
orientation: 7
      width: 602
     height: 602
non-0 bytes: no
orientation: 7
      width: 602
     height: 602
non-0 bytes: no


------------
    testing: Landscape_8.jpg
orientation: 8
      width: 602
     height: 602
non-0 bytes: no
 sleeping... 500ms
orientation: 8
      width: 602
     height: 602
non-0 bytes: no
orientation: 8
      width: 602
     height: 602
non-0 bytes: no

testexif.js

const pathToImages = __dirname

const path = require("path")
const configure = require("@jimp/custom")
const types = require("@jimp/types")

const Jimp = configure({
  types: [types],
  plugins: [
    require("@jimp/plugin-flip"),
    require("@jimp/plugin-rotate"),
  ],
})

run()

async function run() {
  console.log()
  for(let i = 1; i <= 8; i++) {
    let filePath = path.join(pathToImages, `Landscape_${i}.jpg`)
    await testFile(filePath)
  }
}

async function testFile(filePath) {
  console.log("------------")
  console.log(`    testing: ${path.basename(filePath)}`)

  let jimpImage = await Jimp.read(filePath)
  inspect(jimpImage)
  await sleep(500)
  inspect(jimpImage)
  await jimpImage.getBufferAsync(Jimp.AUTO)
  inspect(jimpImage)
  console.log("")
  console.log("")
}

function inspect(jimpImage) {
  console.log(`orientation: ${jimpImage._exif.tags.Orientation}`)
  console.log(`      width: ${jimpImage.getWidth()}`)
  console.log(`     height: ${jimpImage.getHeight()}`)

  let found = false
  for (let byte of jimpImage.bitmap.data) {
    found = found || (byte != 0)
  }
  console.log(`non-0 bytes: ${found ? "yes" : "no"}` )
}

function sleep(ms) {
  console.log(` sleeping... ${ms}ms`)
  return new Promise(resolve => setTimeout(resolve, ms));
}