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resize
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Add test case for correct pixel coordinates after resize.

This commit is contained in:
jst 2015-03-27 19:48:18 +01:00
parent 53e9ca890b
commit 618f7ff07a
1 changed files with 20 additions and 0 deletions
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20
resize_test.go
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@ -85,6 +85,26 @@ func Test_SameSizeReturnsOriginal(t *testing.T) {
} }
} }
func Test_PixelCoordinates(t *testing.T) {
checkers := image.NewGray(image.Rect(0, 0, 4, 4))
checkers.Pix = []uint8{
255, 0, 255, 0,
0, 255, 0, 255,
255, 0, 255, 0,
0, 255, 0, 255,
}
resized := Resize(12, 12, checkers, NearestNeighbor).(*image.Gray)
if resized.Pix[0] != 255 || resized.Pix[1] != 255 || resized.Pix[2] != 255 {
t.Fail()
}
if resized.Pix[3] != 0 || resized.Pix[4] != 0 || resized.Pix[5] != 0 {
t.Fail()
}
}
const ( const (
// Use a small image size for benchmarks. We don't want memory performance // Use a small image size for benchmarks. We don't want memory performance
// to affect the benchmark results. // to affect the benchmark results.