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Fix the test case again because of the behavior changes for aspect ratio rect limit

This commit is contained in:
DreamPiggy 2020-01-13 22:02:52 +08:00
parent 150ad1b104
commit 7a8407d0be
1 changed files with 12 additions and 7 deletions
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19
Tests/Tests/SDImageCoderTests.m
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@ -205,26 +205,31 @@ withLocalImageURL:(NSURL *)imageUrl
expect(pixelWidth).beGreaterThan(0);
expect(pixelHeight).beGreaterThan(0);
// check thumnail with scratch
CGFloat thumbnailWidth = 50;
CGFloat thumbnailHeight = 50;
UIImage *thumbImage = [coder decodedImageWithData:inputImageData options:@{
SDImageCoderDecodeThumbnailPixelSize : @(CGSizeMake(50, 50)),
SDImageCoderDecodeThumbnailPixelSize : @(CGSizeMake(thumbnailWidth, thumbnailHeight)),
SDImageCoderDecodePreserveAspectRatio : @(NO)
}];
expect(thumbImage).toNot.beNil();
expect(thumbImage.size).equal(CGSizeMake(50, 50));
expect(thumbImage.size).equal(CGSizeMake(thumbnailWidth, thumbnailHeight));
// check thumnail with aspect ratio limit
thumbImage = [coder decodedImageWithData:inputImageData options:@{
SDImageCoderDecodeThumbnailPixelSize : @(CGSizeMake(50, 50)),
SDImageCoderDecodeThumbnailPixelSize : @(CGSizeMake(thumbnailWidth, thumbnailHeight)),
SDImageCoderDecodePreserveAspectRatio : @(YES)
}];
expect(thumbImage).toNot.beNil();
CGFloat ratio = pixelWidth / pixelHeight;
CGFloat thumbnailRatio = thumbnailWidth / thumbnailHeight;
CGSize thumbnailPixelSize;
if (pixelWidth > pixelHeight) {
thumbnailPixelSize = CGSizeMake(50, floor(50 / ratio));
if (ratio > thumbnailRatio) {
thumbnailPixelSize = CGSizeMake(thumbnailWidth, round(thumbnailWidth / ratio));
} else {
thumbnailPixelSize = CGSizeMake(floor(50 * ratio), 50);
thumbnailPixelSize = CGSizeMake(round(thumbnailHeight * ratio), thumbnailHeight);
}
expect(thumbImage.size).equal(thumbnailPixelSize);
// Image/IO's thumbnail API does not always use round to preserve precision, we check ABS <= 1
expect(ABS(thumbImage.size.width - thumbnailPixelSize.width) <= 1);
expect(ABS(thumbImage.size.height - thumbnailPixelSize.height) <= 1);
if (supportsEncoding) {