42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
package platform
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import (
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"bytes"
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"image"
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"image/color"
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"image/gif"
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"image/jpeg"
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"image/png"
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"testing"
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)
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func TestAssetDecodersUseActualContent(t *testing.T) {
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im := image.NewRGBA(image.Rect(0, 0, 3, 2))
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im.Set(1, 1, color.RGBA{R: 255, A: 255})
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for _, format := range []string{"png", "jpeg", "gif"} {
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var encoded bytes.Buffer
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var err error
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switch format {
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case "png":
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err = png.Encode(&encoded, im)
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case "jpeg":
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err = jpeg.Encode(&encoded, im, nil)
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case "gif":
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err = gif.Encode(&encoded, im, nil)
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}
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if err != nil {
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t.Fatal(err)
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}
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mime, width, height, err := inspectAsset(encoded.Bytes())
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if err != nil || mime != "image/"+format || width != 3 || height != 2 {
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t.Fatalf("%s decoded %s %dx%d: %v", format, mime, width, height, err)
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}
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if _, _, _, err := inspectAsset(encoded.Bytes()[:len(encoded.Bytes())/2]); err == nil {
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t.Errorf("truncated %s accepted", format)
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}
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}
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if _, _, _, err := inspectAsset([]byte("<svg xmlns='http://www.w3.org/2000/svg'></svg>")); err == nil {
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t.Fatal("SVG accepted")
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}
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}
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