Deleted vendor folder

4 files changed, 0 insertions, 901 deletions

diff --git a/vendor/exr/tests/across_compression.rs b/vendor/exr/tests/across_compression.rs
deleted file mode 100644
index b1776e9..0000000
--- a/vendor/exr/tests/across_compression.rs
+++ /dev/null
@@ -1,263 +0,0 @@
-use std::path::Path;
-use exr::prelude::*;
-use exr::image::validate_results::ValidateResult;
-
-fn dir() -> &'static Path { Path::new("tests/images/valid/custom/compression_methods") }
-
-fn expect_eq_other(sub_dir: &str, image_name: &str, expected: &str) {
-    let path = dir().join(sub_dir).join(image_name);
-
-    match read_first_flat_layer_from_file(path) {
-        Err(Error::NotSupported(message)) => println!("skipping ({})", message),
-        Err(error) => panic!("unexpected error: {}", error),
-        Ok(mut decompressed) => {
-            let decompressed_path = dir().join(sub_dir).join(expected);
-            let mut expected_decompressed = read_first_flat_layer_from_file(decompressed_path)
-                .expect("uncompressed image could not be loaded");
-
-            // HACK: make metadata match artificially, to avoid failing the check due to meta data mismatch
-            // (the name of the compression methods should not be equal, as we test between compression methods)
-            expected_decompressed.layer_data.encoding.compression = Compression::Uncompressed;
-            decompressed.layer_data.encoding.compression = Compression::Uncompressed;
-
-            debug_assert_eq!(expected_decompressed.layer_data.attributes, decompressed.layer_data.attributes, "attributes should not be affected by compression");
-            debug_assert_eq!(expected_decompressed.layer_data.size, decompressed.layer_data.size, "size should not be affected by compression");
-
-            // Note: Unimplemented methods may still work, if each compressed tile would be larger than uncompressed.
-            expected_decompressed.assert_equals_result(&decompressed);
-        }
-    }
-}
-
-// comparing to a different format, png,
-// is the only real way to check that
-// little endian data is unpacked correctly on big endian systems
-// it does not attempt to compare NaN
-fn expect_eq_png(image_name: &str) {
-    type Rgb16Image = ::image::ImageBuffer<::image::Rgb<u16>, Vec<u16>>;
-
-    let exr_path = dir().join("u16").join(image_name);
-    let png_from_exr = read_first_rgba_layer_from_file(
-        exr_path,
-
-        |resolution, _channels: &RgbaChannels| -> Rgb16Image {
-            ::image::ImageBuffer::new(
-                resolution.width() as u32,
-                resolution.height() as u32
-            )
-        },
-
-        // set each pixel in the png buffer from the exr file
-        |png_pixels: &mut Rgb16Image, position: Vec2<usize>, (r,g,b,_): (f32,f32,f32,f32)| {
-            png_pixels.put_pixel(
-                position.x() as u32, position.y() as u32,
-                ::image::Rgb([to_u16(r), to_u16(g), to_u16(b)])
-            );
-        }
-    );
-
-    fn to_u16(num: f32) -> u16 { (num.powf(1.0/2.14).clamp(0.0, 1.0) * u16::MAX as f32).round() as u16 }
-
-    match png_from_exr {
-        Err(Error::NotSupported(message)) => println!("skipping ({})", message),
-        Err(error) => panic!("unexpected error: {}", error),
-        Ok(decompressed) => {
-            let truth_path = dir().join("u16").join("ground_truth.png");
-            let truth_dyn_img = image::open(truth_path).unwrap();
-
-            let ground_truth_png = truth_dyn_img.to_rgb16();
-            let exr_as_png_px = decompressed.layer_data.channel_data.pixels;
-            debug_assert_eq!(ground_truth_png.dimensions(), exr_as_png_px.dimensions(), "size should not be affected by compression");
-
-            let expected_px = ground_truth_png.pixels()
-                .flat_map(|px| px.0.iter().copied());
-
-            let actual_px = exr_as_png_px.pixels()
-                .flat_map(|px| px.0.iter().copied());
-
-            let max_diff = u16::MAX/10;
-            for (exp, val) in expected_px.zip(actual_px) {
-                assert!(
-                    exp.abs_diff(val) < max_diff,
-                    "values not similar enough: found {}, expected {}", val, exp
-                );
-            }
-        }
-    }
-}
-
-fn expect_eq_uncompressed(sub_dir: &str, image_name: &str) {
-    expect_eq_other(sub_dir, image_name, "uncompressed.exr")
-}
-
-
-#[test]
-fn compare_compression_contents_zip_f32() {
-    expect_eq_uncompressed("f32", "zip.exr");
-}
-
-#[test]
-fn compare_compression_contents_zip_f16() {
-    expect_eq_uncompressed("f16", "zip.exr");
-}
-
-#[test]
-fn compare_compression_contents_zips_f32() {
-    expect_eq_uncompressed("f32", "zips.exr");
-}
-
-#[test]
-fn compare_compression_contents_zips_f16() {
-    expect_eq_uncompressed("f16", "zips.exr");
-}
-
-#[test]
-fn compare_compression_contents_b44_f32() {
-    expect_eq_uncompressed("f32", "b44.exr"); // f32s are not compressed in b44 and can be compared exactly
-}
-
-#[test]
-fn compare_compression_contents_b44_f16() {
-    expect_eq_other("f16", "b44.exr", "decompressed_b44.exr");
-}
-
-#[test]
-fn compare_compression_contents_b44a_f32() {
-    expect_eq_uncompressed("f32", "b44a.exr"); // f32s are not compressed in b44 and can be compared exactly
-}
-
-#[test]
-fn compare_compression_contents_b44a_f16() {
-    expect_eq_other("f16", "b44a.exr", "decompressed_b44a.exr");
-}
-
-#[test]
-fn compare_compression_contents_dwaa_f32() {
-    expect_eq_other("f32", "dwaa.exr", "decompressed_dwaa.exr");
-}
-
-#[test]
-fn compare_compression_contents_dwaa_f16() {
-    expect_eq_other("f16", "dwaa.exr", "decompressed_dwaa.exr");
-}
-
-#[test]
-fn compare_compression_contents_dwab_f32() {
-    expect_eq_other("f32", "dwab.exr", "decompressed_dwab.exr");
-}
-
-#[test]
-fn compare_compression_contents_dwab_f16() {
-    expect_eq_other("f16", "dwab.exr", "decompressed_dwab.exr");
-}
-
-#[test]
-fn compare_compression_contents_piz_f32() {
-    expect_eq_uncompressed("f32", "piz.exr");
-}
-
-#[test]
-fn compare_compression_contents_piz_f16() {
-    expect_eq_uncompressed("f16", "piz.exr");
-}
-
-#[test]
-fn compare_compression_contents_rle_f32() {
-    expect_eq_uncompressed("f32", "rle.exr");
-}
-
-#[test]
-fn compare_compression_contents_rle_f16() {
-    expect_eq_uncompressed("f16", "rle.exr");
-}
-
-
-#[test]
-#[cfg(target_endian = "little")] // TODO make it work on big endian
-fn compare_compression_contents_pxr24_f16() {
-    expect_eq_other("f16", "pxr24.exr", "decompressed_pxr24.exr");
-}
-
-#[test]
-#[cfg(target_endian = "little")] // TODO make it work on big endian
-fn compare_compression_contents_pxr24_f32() {
-    expect_eq_other("f32", "pxr24.exr", "decompressed_pxr24.exr");
-}
-
-#[test]
-fn compare_png_to_uncompressed_f16() {
-    expect_eq_png("f16_uncompressed.exr");
-}
-
-#[test]
-fn compare_png_to_piz_f16() {
-    expect_eq_png("f16_piz.exr");
-}
-
-#[test]
-fn compare_png_to_rle_f16() {
-    expect_eq_png("f16_rle.exr");
-}
-
-#[test]
-fn compare_png_to_zip_f16() {
-    expect_eq_png("f16_zip.exr");
-}
-
-#[test]
-fn compare_png_to_zips_f16() {
-    expect_eq_png("f16_zips.exr");
-}
-
-#[test]
-fn compare_png_to_dwaa_f16() {
-    expect_eq_png("f16_dwaa.exr");
-}
-
-#[test]
-fn compare_png_to_b44_f16() {
-    expect_eq_png("f16_b44.exr");
-}
-
-#[test]
-fn compare_png_to_b44a_f16() {
-    expect_eq_png("f16_b44a.exr");
-}
-
-#[test]
-#[cfg(target_endian = "little")] // TODO make it work on big endian
-fn compare_png_to_pxr24_f16() {
-    expect_eq_png("f16_pxr24.exr");
-}
-
-
-#[test]
-fn compare_png_to_uncompressed_f32() {
-    expect_eq_png("f32_uncompressed.exr");
-}
-
-#[test]
-fn compare_png_to_piz_f32() {
-    expect_eq_png("f32_piz.exr");
-}
-
-#[test]
-fn compare_png_to_rle_f32() {
-    expect_eq_png("f32_rle.exr");
-}
-
-#[test]
-fn compare_png_to_zip_f32() {
-    expect_eq_png("f32_zip.exr");
-}
-
-#[test]
-fn compare_png_to_dwaa_f32() {
-    expect_eq_png("f32_dwaa.exr");
-}
-
-#[test]
-#[cfg(target_endian = "little")] // TODO make it work on big endian
-fn compare_png_to_pxr24_f32() {
-    expect_eq_png("f32_pxr24.exr");
-}
diff --git a/vendor/exr/tests/dev.rs b/vendor/exr/tests/dev.rs
deleted file mode 100644
index 15dd7ab..0000000
--- a/vendor/exr/tests/dev.rs
+++ /dev/null
@@ -1,86 +0,0 @@
-//! Contains some "test" functions that were be used for developing.
-
-extern crate exr;
-extern crate smallvec;
-
-use exr::prelude::*;
-
-use std::path::{PathBuf};
-use std::ffi::OsStr;
-use std::io::{Cursor};
-use exr::meta::header::Header;
-use exr::image::validate_results::ValidateResult;
-use rayon::prelude::IntoParallelIterator;
-use rayon::iter::ParallelIterator;
-
-fn exr_files() -> impl Iterator<Item=PathBuf> {
-    walkdir::WalkDir::new("tests/images/valid").into_iter().map(std::result::Result::unwrap)
-        .filter(|entry| entry.path().extension() == Some(OsStr::new("exr")))
-        .map(walkdir::DirEntry::into_path)
-}
-
-#[test]
-#[ignore]
-fn print_meta_of_all_files() {
-    let files: Vec<PathBuf> = exr_files().collect();
-
-    files.into_par_iter().for_each(|path| {
-        let meta = MetaData::read_from_file(&path, false);
-        println!("{:?}: \t\t\t {:?}", path.file_name().unwrap(), meta.unwrap());
-    });
-}
-
-#[test]
-#[ignore]
-fn search_previews_of_all_files() {
-    let files: Vec<PathBuf> = exr_files().collect();
-
-    files.into_par_iter().for_each(|path| {
-        let meta = MetaData::read_from_file(&path, false).unwrap();
-        let has_preview = meta.headers.iter().any(|header: &Header|
-            header.own_attributes.preview.is_some() || header.own_attributes.other.values()
-                .any(|value| match value { AttributeValue::Preview(_) => true, _ => false })
-        );
-
-        if has_preview {
-            println!("Found preview attribute in {:?}", path.file_name().unwrap());
-        }
-    });
-}
-
-// use this command for big endian testing:
-// cross test --target mips-unknown-linux-gnu --verbose --test dev test_roundtrip -- --ignored
-#[test]
-#[ignore]
-pub fn test_roundtrip() {
-    // works
-     //let path = "tests/images/fuzzed/b44_overly_restrictive_assert.exr";
-     let path = "tests/images/valid/custom/compression_methods/f32/pxr24.exr";
-
-    // worksn't
-    // let path = "tests/images/valid/openexr/Chromaticities/Rec709_YC.exr"; // subsampling
-    // let path = "tests/images/valid/openexr/LuminanceChroma/Flowers.exr"; // subsampling
-
-    // let path = "tests/images/valid/openexr/IlmfmlmflmTest/test_native1.exr";
-    // let path = "tests/images/valid/openexr/IlmfmlmflmTest/test_native2.exr"; // contains NaN
-
-    // deep data?
-    // let path = "tests/images/valid/openexr/v2/Stereo/Balls.exr";
-    // let path = "tests/images/valid/openexr/v2/Stereo/Ground.exr";
-
-    println!("{:?}", exr::meta::MetaData::read_from_file(path, true));
-
-    let read_image = read()
-        .no_deep_data().all_resolution_levels().all_channels().all_layers().all_attributes()
-        .non_parallel();
-
-    let image = read_image.clone().from_file(path).unwrap();
-
-    let mut tmp_bytes = Vec::new();
-    image.write().to_buffered(Cursor::new(&mut tmp_bytes)).unwrap();
-    image.write().to_file("debug_pxr24.exr").unwrap();
-
-    let image2 = read_image.from_buffered(Cursor::new(tmp_bytes)).unwrap();
-
-    image.assert_equals_result(&image2);
-}
diff --git a/vendor/exr/tests/fuzz.rs b/vendor/exr/tests/fuzz.rs
deleted file mode 100644
index 9bdc79d..0000000
--- a/vendor/exr/tests/fuzz.rs
+++ /dev/null
@@ -1,176 +0,0 @@
-//! Fuzzy testing.
-//! Tries to discover panics with random bytes.
-//! This test is expensive and therefore marked with `#[ignore]`. To run this test, use `cargo test -- --ignored`.
-
-use std::panic::{catch_unwind};
-use rand::rngs::{StdRng};
-use rand::{Rng};
-
-extern crate exr;
-use exr::prelude::*;
-use std::path::PathBuf;
-use std::ffi::OsStr;
-use std::fs::File;
-use std::io::{Write, Cursor};
-use exr::image::read::read_first_rgba_layer_from_file;
-use exr::image::pixel_vec::PixelVec;
-
-fn exr_files(path: &'static str, filter: bool) -> impl Iterator<Item=PathBuf> {
-    walkdir::WalkDir::new(path).into_iter().map(std::result::Result::unwrap)
-        .filter(|entry| entry.path().is_file())
-
-        .filter(move |entry| !filter || entry.path().extension() == Some(OsStr::new("exr")))
-        .map(walkdir::DirEntry::into_path)
-}
-
-
-/// Just don't panic.
-#[test]
-pub fn fuzzed(){
-    for ref file in exr_files("tests/images/fuzzed", false) {
-        let _ = read().no_deep_data().largest_resolution_level().all_channels()
-            .first_valid_layer().all_attributes().pedantic().from_file(file);
-
-        let _ = read().no_deep_data().all_resolution_levels().all_channels()
-            .all_layers().all_attributes().pedantic().from_file(file);
-    }
-}
-
-/// Require an error but no panic.
-#[test]
-pub fn damaged(){
-    let mut passed = true;
-
-    for ref file in exr_files("tests/images/invalid", false) {
-        let result = catch_unwind(move || {
-            let _meta_data = MetaData::read_from_file(file, false)?;
-
-            {
-                let _minimal = read().no_deep_data()
-                    .largest_resolution_level()
-                    .rgba_channels(
-                        |_size, _channels| (),
-                        |_: &mut (), _position: Vec2<usize>, _pixel: (Sample, Sample, Sample, Sample)| {}
-                    )
-                    .first_valid_layer().all_attributes()
-                    .from_file(&file)?;
-            }
-
-            {
-                let _minimal = read().no_deep_data()
-                    .largest_resolution_level() // TODO all levels
-                    .rgba_channels(
-                        |_size, _channels| (),
-                        |_: &mut (), _position: Vec2<usize>, _pixel: (Sample, Sample, Sample, Sample)| {}
-                    )
-                    .all_layers().all_attributes()
-                    .pedantic()
-                    .from_file(&file)?;
-            }
-
-            {
-                let _rgba = read_first_rgba_layer_from_file(
-                    file,
-                    PixelVec::<(Sample, Sample, Sample, Sample)>::constructor,
-                    PixelVec::set_pixel
-                )?;
-            }
-
-            {
-                let _full = read_all_data_from_file(file)?;
-            }
-
-            Ok(())
-        });
-
-        // this should not panic, only err:
-        passed = passed && match result {
-            Ok(Err(Error::Invalid(message))) => {
-                println!("✓ Recognized as invalid ({}): {:?}", message, file);
-                true
-            },
-
-            Ok(Err(Error::NotSupported(message))) => {
-                println!("- Unsupported ({}): {:?}", message, file);
-                true
-            },
-
-            Ok(Err(Error::Io(error))) => {
-                println!("✗ Unexpected IO Error: {:?}, {:?}", file, error);
-                false
-            },
-
-            Err(_) => {
-                println!("✗ Not recognized as invalid: {:?}", file);
-                false
-            },
-
-            Ok(Ok(_)) => {
-                let meta_data = MetaData::read_from_file(file, true);
-
-                if let Err(error) = meta_data {
-                    println!("✓ Recognized as invalid when pedantic ({}): {:?}", error, file);
-                    true
-                }
-                else {
-                    println!("✗ Oh no, there is nothing wrong with: {:#?}", file);
-                    false
-                }
-            },
-
-            _ => unreachable!(),
-        };
-    }
-
-    assert!(passed, "A damaged file was not handled correctly");
-}
-
-#[test]
-#[ignore]
-pub fn fuzz(){
-    println!("started fuzzing");
-    let files: Vec<PathBuf> = exr_files("tests/images", true).collect();
-
-    let seed = [92,1,0,130,211,8,21,70,74,4,9,5,0,23,0,3,20,25,6,5,229,30,0,34,218,0,40,7,5,2,7,0,];
-    let mut random: StdRng = rand::SeedableRng::from_seed(seed);
-
-    let mut records = File::create("tests/images/fuzzed/list.txt").unwrap();
-    records.write_all(format!("seed = {:?}", seed).as_bytes()).unwrap();
-
-    let start_index = 0; // default is 0. increase this integer for debugging a specific fuzz case
-    for fuzz_index in 0 .. 1024_u64 * 2048 * 4 {
-
-        let file_1_name = &files[random.gen_range(0 .. files.len())];
-        let mutation_point = random.gen::<f32>().powi(3);
-        let mutation = random.gen::<u8>();
-
-        if fuzz_index >= start_index {
-            let mut file = std::fs::read(file_1_name).unwrap();
-            let index = ((mutation_point * file.len() as f32) as usize + 4) % file.len();
-            file[index] = mutation;
-
-            let file = file.as_slice();
-            let result = catch_unwind(move || {
-                let read_all_data = read().no_deep_data()
-                    .all_resolution_levels().all_channels().all_layers().all_attributes();
-
-                match read_all_data.from_buffered(Cursor::new(file)) {
-                    Err(Error::Invalid(error)) => println!("✓ No Panic. [{}]: Invalid: {}.", fuzz_index, error),
-                    Err(Error::NotSupported(error)) => println!("- No Panic. [{}]: Unsupported: {}.", fuzz_index, error),
-                    _ => {},
-                }
-            });
-
-            if let Err(_) = result {
-                records.write_all(fuzz_index.to_string().as_bytes()).unwrap();
-                records.flush().unwrap();
-
-                let seed = seed.iter().map(|num| num.to_string()).collect::<Vec<String>>().join("-");
-                let mut saved = File::create(format!("tests/images/fuzzed/fuzz_{}_{}.exr", fuzz_index, seed)).unwrap();
-                saved.write_all(file).unwrap();
-
-                println!("✗ PANIC! [{}]", fuzz_index);
-            }
-        }
-    }
-}
diff --git a/vendor/exr/tests/roundtrip.rs b/vendor/exr/tests/roundtrip.rs
deleted file mode 100644
index 3181ffe..0000000
--- a/vendor/exr/tests/roundtrip.rs
+++ /dev/null
@@ -1,376 +0,0 @@
-extern crate exr;
-
-extern crate smallvec;
-
-use std::{panic};
-use std::io::{Cursor};
-use std::panic::catch_unwind;
-use std::path::{PathBuf, Path};
-use std::ffi::OsStr;
-
-use exr::prelude::*;
-use exr::error::{Error, UnitResult};
-use exr::prelude::pixel_vec::PixelVec;
-use exr::image::validate_results::ValidateResult;
-use rayon::prelude::IntoParallelIterator;
-use rayon::iter::ParallelIterator;
-use exr::block::samples::IntoNativeSample;
-
-#[test]
-fn roundtrip_all_files_in_repository_x4(){
-    check_all_files_in_repo(|path|{
-        let file = std::fs::read(path).expect("cannot open file");
-
-        round_trip_simple(&file)?;
-        round_trip_full(&file)?;
-        round_trip_rgba_file(path, &file)?;
-        round_trip_parallel_file(&file)?;
-
-        Ok(())
-    });
-}
-
-
-fn round_trip_full(file: &[u8]) -> Result<()> {
-    let read_image = read()
-        .no_deep_data().all_resolution_levels().all_channels().all_layers().all_attributes()
-        .non_parallel();
-
-    let image = read_image.clone().from_buffered(Cursor::new(file))?;
-
-    let mut tmp_bytes = Vec::with_capacity(file.len());
-    image.write().non_parallel().to_buffered(Cursor::new(&mut tmp_bytes))?;
-
-    let image2 = read_image.from_buffered(Cursor::new(tmp_bytes))?;
-
-    image.assert_equals_result(&image2);
-    Ok(())
-}
-
-fn round_trip_simple(file: &[u8]) -> Result<()> {
-    let read_image = read()
-        .no_deep_data().largest_resolution_level().all_channels().all_layers().all_attributes()
-        .non_parallel();
-
-    let image = read_image.clone().from_buffered(Cursor::new(file))?;
-
-    let mut tmp_bytes = Vec::with_capacity(file.len());
-    image.write().non_parallel().to_buffered(&mut Cursor::new(&mut tmp_bytes))?;
-
-    let image2 = read_image.from_buffered(Cursor::new(&tmp_bytes))?;
-
-    image.assert_equals_result(&image2);
-    Ok(())
-}
-
-fn round_trip_rgba_file(path: &Path, file: &[u8]) -> Result<()> {
-    // these files are known to be invalid, because they do not contain any rgb channels
-    let blacklist = [
-        Path::new("tests/images/valid/openexr/LuminanceChroma/Garden.exr"),
-        Path::new("tests/images/valid/openexr/MultiView/Fog.exr"),
-        Path::new("tests/images/valid/openexr/TestImages/GrayRampsDiagonal.exr"),
-        Path::new("tests/images/valid/openexr/TestImages/GrayRampsHorizontal.exr"),
-        Path::new("tests/images/valid/openexr/TestImages/WideFloatRange.exr"),
-        Path::new("tests/images/valid/openexr/IlmfmlmflmTest/v1.7.test.tiled.exr")
-    ];
-
-    if blacklist.contains(&path) { return Ok(()) }
-
-    let image_reader = read()
-        .no_deep_data()
-        .largest_resolution_level() // TODO all levels
-        .rgba_channels(PixelVec::<(f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
-        .first_valid_layer()
-        .all_attributes()
-        .non_parallel();
-
-    let image = image_reader.clone().from_buffered(Cursor::new(file))?;
-
-    let mut tmp_bytes = Vec::with_capacity(file.len());
-
-    image.write().non_parallel()
-        .to_buffered(&mut Cursor::new(&mut tmp_bytes))?;
-
-    let image2 = image_reader.from_buffered(Cursor::new(&tmp_bytes))?;
-
-    image.assert_equals_result(&image2);
-    Ok(())
-}
-
-// TODO compare rgba vs rgb images for color content, and rgb vs rgb(a?)
-
-
-fn round_trip_parallel_file(file: &[u8]) -> Result<()> {
-    let image = read()
-        .no_deep_data().all_resolution_levels().all_channels().all_layers().all_attributes()
-        .from_buffered(Cursor::new(file))?;
-
-    let mut tmp_bytes = Vec::with_capacity(file.len());
-    image.write().to_buffered(Cursor::new(&mut tmp_bytes))?;
-
-    let image2 = read()
-        .no_deep_data().all_resolution_levels().all_channels().all_layers().all_attributes()
-        .pedantic()
-        .from_buffered(Cursor::new(tmp_bytes.as_slice()))?;
-
-    image.assert_equals_result(&image2);
-    Ok(())
-}
-
-/// read all images in a directory.
-/// does not check any content, just checks whether a read error or panic happened.
-fn check_all_files_in_repo<T>(
-    operation: impl Sync + std::panic::RefUnwindSafe + Fn(&Path) -> exr::error::Result<T>
-) {
-    #[derive(Debug, Eq, PartialEq, Ord, PartialOrd)]
-    enum Result { Ok, Unsupported(String), Error(String) }
-
-    let files: Vec<PathBuf> = all_exr_files_in_repo().collect();
-    let mut results: Vec<(PathBuf, Result)> = files.into_par_iter()
-        .map(|file| {
-            let result = catch_unwind(||{
-                let prev_hook = panic::take_hook();
-                panic::set_hook(Box::new(|_| (/* do not println panics */)));
-                let result = operation(&file);
-                panic::set_hook(prev_hook);
-
-                result
-            });
-
-            let result = match result {
-                Ok(Ok(_)) => Result::Ok,
-                Ok(Err(Error::NotSupported(message))) => Result::Unsupported(message.to_string()),
-
-                Ok(Err(Error::Io(io))) => Result::Error(format!("IoError: {:?}", io)),
-                Ok(Err(Error::Invalid(message))) => Result::Error(format!("Invalid: {:?}", message)),
-                Ok(Err(Error::Aborted)) => panic!("a test produced `Error::Abort`"),
-
-                Err(_) => Result::Error("Panic".to_owned()),
-            };
-
-            match &result {
-                Result::Error(_) => println!("✗ Error when processing {:?}", file),
-                _ => println!("✓ No error when processing {:?}", file)
-            };
-
-            (file, result)
-        })
-        .collect();
-
-    results.sort_by(|(_, a), (_, b)| a.cmp(b));
-
-    println!("{:#?}", results.iter().map(|(path, result)| {
-        format!("{:?}: {}", result, path.to_str().unwrap())
-    }).collect::<Vec<_>>());
-
-    assert!(results.len() > 80, "Not enough files were tested!");
-
-    if let Result::Error(_) = results.last().unwrap().1 {
-        panic!("A file triggered a panic");
-    }
-}
-
-fn all_exr_files_in_repo() -> impl Iterator<Item=PathBuf> {
-    walkdir::WalkDir::new("tests/images/valid").into_iter().map(std::result::Result::unwrap)
-        .filter(|entry| entry.path().extension() == Some(OsStr::new("exr")))
-        .map(walkdir::DirEntry::into_path)
-}
-
-#[test]
-fn roundtrip_unusual_2() -> UnitResult {
-    let random_pixels: Vec<(f16, u32)> = vec![
-        ( f16::from_f32(-5.0), 4),
-        ( f16::from_f32(4.0), 9),
-        ( f16::from_f32(2.0), 6),
-        ( f16::from_f32(21.0), 8),
-        ( f16::from_f32(64.0), 7),
-    ];
-
-    let size = Vec2(3, 2);
-    let pixels = (0..size.area())
-        .zip(random_pixels.into_iter().cycle())
-        .map(|(_index, color)| color).collect::<Vec<_>>();
-
-    let pixels = PixelVec { resolution: size, pixels };
-
-    let channels = SpecificChannels::build()
-        .with_channel("N")
-        .with_channel("Ploppalori Taranos")
-        .with_pixels(pixels.clone()
-    );
-
-    let image = Image::from_channels(size, channels);
-
-    let mut tmp_bytes = Vec::new();
-    image.write().non_parallel().to_buffered(&mut Cursor::new(&mut tmp_bytes))?;
-
-    let image_reader = read()
-        .no_deep_data()
-        .largest_resolution_level() // TODO all levels
-        .specific_channels().required("N").required("Ploppalori Taranos")
-        .collect_pixels(PixelVec::<(f16,u32)>::constructor, PixelVec::set_pixel)
-        .first_valid_layer()
-        .all_attributes()
-        .non_parallel();
-
-    let image2 = image_reader.from_buffered(Cursor::new(&tmp_bytes))?;
-
-    // custom compare function: considers nan equal to nan
-    assert_eq!(image.layer_data.size, size, "test is buggy");
-    let pixels1 = &image.layer_data.channel_data.pixels;
-    let pixels2 = &image2.layer_data.channel_data.pixels;
-
-    assert_eq!(pixels1.pixels, pixels2.pixels);
-
-    Ok(())
-}
-
-// TODO test optional reader
-// TODO dedup
-#[test]
-fn roundtrip_unusual_7() -> UnitResult {
-
-    let random_pixels: Vec<(f16, u32, f32,f32,f32,f32,f32)> = vec![
-        ( f16::from_f32(-5.0), 4, 1.0,2.0,3.0,4.0,5.0),
-        ( f16::from_f32(4.0), 8, 2.0,3.0,4.0,5.0,1.0),
-        ( f16::from_f32(2.0), 9, 3.0,4.0,5.0,1.0,2.0),
-        ( f16::from_f32(21.0), 6, 4.0,5.0,1.0,2.0,3.0),
-        ( f16::from_f32(64.0), 5, 5.0,1.0,2.0,3.0,4.0),
-    ];
-
-    let size = Vec2(3, 2);
-    let pixels = (0..size.area())
-        .zip(random_pixels.into_iter().cycle())
-        .map(|(_index, color)| color).collect::<Vec<_>>();
-
-    let pixels = PixelVec { resolution: size, pixels };
-
-    let channels = SpecificChannels::build()
-        .with_channel("N")
-        .with_channel("Ploppalori Taranos")
-        .with_channel("4")
-        .with_channel(".")
-        .with_channel("____")
-        .with_channel(" ")
-        .with_channel("  ")
-        .with_pixels(pixels.clone()
-    );
-
-    let image = Image::from_channels(size, channels);
-
-    let mut tmp_bytes = Vec::new();
-    image.write().non_parallel().to_buffered(&mut Cursor::new(&mut tmp_bytes))?;
-
-    let image_reader = read()
-        .no_deep_data()
-        .largest_resolution_level() // TODO all levels
-        .specific_channels()
-            .required("N")
-            .required("Ploppalori Taranos")
-            .required("4")
-            .required(".")
-            .required("____")
-            .required(" ")
-            .required("  ")
-        .collect_pixels(PixelVec::<(f16, u32, f32,f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
-        .first_valid_layer()
-        .all_attributes()
-        .non_parallel();
-
-    let image2 = image_reader.from_buffered(Cursor::new(&tmp_bytes))?;
-
-    // custom compare function: considers nan equal to nan
-    assert_eq!(image.layer_data.size, size, "test is buggy");
-    let pixels1 = &image.layer_data.channel_data.pixels;
-    let pixels2 = &image2.layer_data.channel_data.pixels;
-
-    assert_eq!(pixels1.pixels, pixels2.pixels);
-    Ok(())
-}
-
-#[test]
-#[cfg(target_endian = "big")] // TODO big endian pxr24
-fn pxr24_expect_error_on_big_endian(){
-    let image = exr::prelude::read_all_data_from_file(
-        "tests/images/valid/custom/compression_methods/f16/pxr24.exr"
-    );
-
-    match image {
-        Err(Error::NotSupported(_)) => {}
-        _ => panic!("pxr24 should report an error on big endian architecture")
-    }
-}
-
-#[test]
-#[cfg(target_endian = "little")] // TODO big endian pxr24
-fn roundtrip_pxr24() {
-    test_mixed_roundtrip_with_compression(Compression::PXR24)
-}
-
-#[test]
-fn roundtrip_rle() {
-    test_mixed_roundtrip_with_compression(Compression::RLE)
-}
-
-#[test]
-fn roundtrip_zip1() {
-    test_mixed_roundtrip_with_compression(Compression::ZIP1)
-}
-
-#[test]
-fn roundtrip_zip16() {
-    test_mixed_roundtrip_with_compression(Compression::ZIP16)
-}
-
-#[test]
-fn roundtrip_b44() {
-    test_mixed_roundtrip_with_compression(Compression::B44)
-}
-
-#[test]
-fn roundtrip_b44a() {
-    test_mixed_roundtrip_with_compression(Compression::B44A)
-}
-
-#[test]
-fn roundtrip_piz() {
-    test_mixed_roundtrip_with_compression(Compression::PIZ)
-}
-
-#[test]
-fn roundtrip_uncompressed() {
-    test_mixed_roundtrip_with_compression(Compression::Uncompressed)
-}
-
-fn test_mixed_roundtrip_with_compression(compression: Compression) {
-
-    let original_pixels: [(f16,f32,f32); 4] = [
-        (0.0.to_f16(), -1.1, std::f32::consts::PI),
-        (9.1.to_f16(), -3.1, std::f32::consts::TAU),
-        (-10.0.to_f16(), -11.1, f32::EPSILON),
-        (half::f16::NAN, 10000.1, -1024.009),
-    ];
-
-    let mut file_bytes = Vec::new();
-    let original_image = Image::from_encoded_channels(
-        (2,2),
-        Encoding {
-            compression,
-            .. Encoding::default()
-        },
-        SpecificChannels::rgb(
-            PixelVec::new(Vec2(2,2), original_pixels.to_vec())
-        )
-    );
-
-    original_image.write().to_buffered(Cursor::new(&mut file_bytes)).unwrap();
-
-    let lossy_image = read().no_deep_data().largest_resolution_level()
-        .rgb_channels(PixelVec::<(f16,f32,f32)>::constructor, PixelVec::set_pixel)
-        .first_valid_layer().all_attributes().from_buffered(Cursor::new(&file_bytes)).unwrap();
-
-    // use automatic lossy detection by compression method
-    original_image.assert_equals_result(&original_image);
-    lossy_image.assert_equals_result(&lossy_image);
-    original_image.assert_equals_result(&lossy_image);
-}