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Test decoder output

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These tests are based on the assumtion that the current decoder is
correct and are to make sure that future changes to the decoder
wont break it.
This commit is contained in:
Birk Tjelmeland committed 2019-02-01 11:19:21 +01:00
1 parent 80be60dfd4
commit 7fb354fe43
1 file changed
+48 -8
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tests/decode_images.rs
+48 -8
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@@ -11,8 +11,18 @@ fn test_gray_u8()
let img_file = File::open("./tests/images/minisblack-1c-8b.tiff").expect("Cannot find test image!");
let mut decoder = Decoder::new(img_file).expect("Cannot create decoder");
assert_eq!(decoder.colortype().unwrap(), ColorType::Gray(8));
let img_res = decoder.read_image();
assert!(img_res.is_ok());
let img_res = decoder.read_image().unwrap();
if let DecodingResult::U8(res) = img_res {
let mut res_sum: u64 = 0;
for x in res {
res_sum += x as u64;
}
assert_eq!(res_sum, 2840893);
}
else {
panic!("Wrong bit depth")
}
}
#[test]
@@ -21,8 +31,18 @@ fn test_rgb_u8()
let img_file = File::open("./tests/images/rgb-3c-8b.tiff").expect("Cannot find test image!");
let mut decoder = Decoder::new(img_file).expect("Cannot create decoder");
assert_eq!(decoder.colortype().unwrap(), ColorType::RGB(8));
let img_res = decoder.read_image();
assert!(img_res.is_ok());
let img_res = decoder.read_image().unwrap();
if let DecodingResult::U8(res) = img_res {
let mut res_sum: u64 = 0;
for x in res {
res_sum += x as u64;
}
assert_eq!(res_sum, 7842108)
}
else {
panic!("Wrong bit depth")
}
}
#[test]
@@ -31,8 +51,18 @@ fn test_gray_u16()
let img_file = File::open("./tests/images/minisblack-1c-16b.tiff").expect("Cannot find test image!");
let mut decoder = Decoder::new(img_file).expect("Cannot create decoder");
assert_eq!(decoder.colortype().unwrap(), ColorType::Gray(16));
let img_res = decoder.read_image();
assert!(img_res.is_ok());
let img_res = decoder.read_image().unwrap();
if let DecodingResult::U16(res) = img_res {
let mut res_sum: u64 = 0;
for x in res {
res_sum += x as u64;
}
assert_eq!(res_sum, 733126239);
}
else {
panic!("Wrong bit depth")
}
}
#[test]
@@ -41,8 +71,18 @@ fn test_rgb_u16()
let img_file = File::open("./tests/images/rgb-3c-16b.tiff").expect("Cannot find test image!");
let mut decoder = Decoder::new(img_file).expect("Cannot create decoder");
assert_eq!(decoder.colortype().unwrap(), ColorType::RGB(16));
let img_res = decoder.read_image();
assert!(img_res.is_ok());
let img_res = decoder.read_image().unwrap();
if let DecodingResult::U16(res) = img_res {
let mut res_sum: u64 = 0;
for x in res {
res_sum += x as u64;
}
assert_eq!(res_sum, 2024349944);
}
else {
panic!("Wrong bit depth")
}
}
#[test]