import {pngChunks, imageInfo} from './image.js'; const pngNoPhys = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAAAAAA6fptVAAAADUlEQVQIHQECAP3/AAAAAgABzePRKwAAAABJRU5ErkJggg==';const pngPhys = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91JpzAAAACXBIWXMAABYlAAAWJQFJUiTwAAAAEElEQVQI12OQNZcAIgYIBQAL8gGxdzzM0A==';const pngEmpty = 'data:image/png;base64,'; async function dataUriToBlob(datauri) {  return await (await globalThis.fetch(datauri)).blob();} test('pngChunks', async () => {  expect(await pngChunks(await dataUriToBlob(pngNoPhys))).toEqual([    {name: 'IHDR', data: new Uint8Array([0, 0, 0, 1, 0, 0, 0, 1, 8, 0, 0, 0, 0])},    {name: 'IDAT', data: new Uint8Array([8, 29, 1, 2, 0, 253, 255, 0, 0, 0, 2, 0, 1])},    {name: 'IEND', data: new Uint8Array([])},  ]);  expect(await pngChunks(await dataUriToBlob(pngPhys))).toEqual([    {name: 'IHDR', data: new Uint8Array([0, 0, 0, 2, 0, 0, 0, 2, 8, 2, 0, 0, 0])},    {name: 'pHYs', data: new Uint8Array([0, 0, 22, 37, 0, 0, 22, 37, 1])},    {name: 'IDAT', data: new Uint8Array([8, 215, 99, 144, 53, 151, 0, 34, 6, 8, 5, 0, 11, 242, 1, 177])},  ]);  expect(await pngChunks(await dataUriToBlob(pngEmpty))).toEqual([]);}); test('imageInfo', async () => {  expect(await imageInfo(await dataUriToBlob(pngNoPhys))).toEqual({width: 1, dppx: 1});  expect(await imageInfo(await dataUriToBlob(pngPhys))).toEqual({width: 2, dppx: 2});  expect(await imageInfo(await dataUriToBlob(pngEmpty))).toEqual({width: 0, dppx: 1});});