mirror of https://github.com/status-im/resize.git
48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
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package resize
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import (
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"image"
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"runtime"
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"testing"
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)
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func init() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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}
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var thumbnailTests = []struct {
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origWidth int
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origHeight int
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maxWidth uint
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maxHeight uint
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expectedWidth uint
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expectedHeight uint
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}{
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{5, 5, 10, 10, 5, 5},
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{10, 10, 5, 5, 5, 5},
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{10, 50, 10, 10, 2, 10},
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{50, 10, 10, 10, 10, 2},
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{50, 100, 60, 90, 45, 90},
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{120, 100, 60, 90, 60, 50},
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{200, 250, 200, 150, 120, 150},
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}
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func TestThumbnail(t *testing.T) {
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for i, tt := range thumbnailTests {
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img := image.NewGray16(image.Rect(0, 0, tt.origWidth, tt.origHeight))
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outImg := Thumbnail(tt.maxWidth, tt.maxHeight, img, NearestNeighbor)
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newWidth := uint(outImg.Bounds().Dx())
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newHeight := uint(outImg.Bounds().Dy())
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if newWidth != tt.expectedWidth ||
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newHeight != tt.expectedHeight {
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t.Errorf("%d. Thumbnail(%v, %v, img, NearestNeighbor) => "+
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"width: %v, height: %v, want width: %v, height: %v",
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i, tt.maxWidth, tt.maxHeight,
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newWidth, newHeight, tt.expectedWidth, tt.expectedHeight,
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)
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}
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}
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}
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