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Diffstat (limited to 'Godeps/_workspace/src/github.com/nfnt/resize/thumbnail_test.go')
-rw-r--r--Godeps/_workspace/src/github.com/nfnt/resize/thumbnail_test.go47
1 files changed, 47 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/nfnt/resize/thumbnail_test.go b/Godeps/_workspace/src/github.com/nfnt/resize/thumbnail_test.go
new file mode 100644
index 000000000..bd9875b2b
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/nfnt/resize/thumbnail_test.go
@@ -0,0 +1,47 @@
+package resize
+
+import (
+ "image"
+ "runtime"
+ "testing"
+)
+
+func init() {
+ runtime.GOMAXPROCS(runtime.NumCPU())
+}
+
+var thumbnailTests = []struct {
+ origWidth int
+ origHeight int
+ maxWidth uint
+ maxHeight uint
+ expectedWidth uint
+ expectedHeight uint
+}{
+ {5, 5, 10, 10, 5, 5},
+ {10, 10, 5, 5, 5, 5},
+ {10, 50, 10, 10, 2, 10},
+ {50, 10, 10, 10, 10, 2},
+ {50, 100, 60, 90, 45, 90},
+ {120, 100, 60, 90, 60, 50},
+ {200, 250, 200, 150, 120, 150},
+}
+
+func TestThumbnail(t *testing.T) {
+ for i, tt := range thumbnailTests {
+ img := image.NewGray16(image.Rect(0, 0, tt.origWidth, tt.origHeight))
+
+ outImg := Thumbnail(tt.maxWidth, tt.maxHeight, img, NearestNeighbor)
+
+ newWidth := uint(outImg.Bounds().Dx())
+ newHeight := uint(outImg.Bounds().Dy())
+ if newWidth != tt.expectedWidth ||
+ newHeight != tt.expectedHeight {
+ t.Errorf("%d. Thumbnail(%v, %v, img, NearestNeighbor) => "+
+ "width: %v, height: %v, want width: %v, height: %v",
+ i, tt.maxWidth, tt.maxHeight,
+ newWidth, newHeight, tt.expectedWidth, tt.expectedHeight,
+ )
+ }
+ }
+}