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Test with some flexibility in image size

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The size of the image can vary from version to version (of ImageMagick) and
platform to platform (i.e. MacOS and FreeBSD). As such, allow for a degree
of variability in the resulting image size.

cargo test passes
This commit is contained in:
Nathan Fiedler 2017-01-22 14:13:05 -08:00
parent 6ade7438d9
commit f4843c246c
1 changed files with 8 additions and 12 deletions
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20
tests/lib.rs
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@ -91,12 +91,10 @@ fn test_write_image_to_blob() {
assert_eq!(512, wand.get_image_width());
assert_eq!(384, wand.get_image_height());
let blob = wand.write_image_blob("jpeg").unwrap();
if cfg!(target_os = "macos") {
// yeah, don't know why...
assert_eq!(104061, blob.len());
} else {
assert_eq!(104060, blob.len());
}
let blob_len = blob.len();
// There is a slight degree of variability from platform to platform,
// and version to version of ImageMagick.
assert!(blob_len > 103000 && blob_len < 105000);
// should be able to read it back again
assert!(wand.read_image_blob(&blob).is_ok());
assert_eq!(512, wand.get_image_width());
@ -113,12 +111,10 @@ fn test_write_images_to_blob() {
assert_eq!(512, wand.get_image_width());
assert_eq!(384, wand.get_image_height());
let blob = wand.write_images_blob("jpeg").unwrap();
if cfg!(target_os = "macos") {
// yeah, don't know why...
assert_eq!(104061, blob.len());
} else {
assert_eq!(104060, blob.len());
}
let blob_len = blob.len();
// There is a slight degree of variability from platform to platform,
// and version to version of ImageMagick.
assert!(blob_len > 103000 && blob_len < 105000);
// should be able to read it back again
assert!(wand.read_image_blob(&blob).is_ok());
assert_eq!(512, wand.get_image_width());