ebiten/graphics/opengl/texture_test.go
2013-10-19 03:15:25 +09:00

59 lines
1.4 KiB
Go

package opengl_test
import (
. "."
"testing"
)
func TestAdjustPixels(t *testing.T) {
pixels := [...]uint8{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
}
result := AdjustPixels(3, 5, pixels[0:len(pixels)])
wanted := [...]uint8{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 0, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 0, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 0, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 0, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}
if len(wanted) != len(result) {
t.Errorf("len(result) = %d, wanted %d",
len(result), len(wanted))
}
for i := 0; i < len(result); i++ {
if wanted[i] != result[i] {
t.Errorf("result[%d] = %d, wanted %d",
i, result[i], wanted[i])
}
}
}
func TestNextPowerOf2(t *testing.T) {
testCases := []struct {
expected uint64
arg uint64
}{
{256, 255},
{256, 256},
{512, 257},
}
for _, testCase := range testCases {
got := NextPowerOf2(testCase.arg)
wanted := testCase.expected
if wanted != got {
t.Errorf("Clp(%d) = %d, wanted %d",
testCase.arg, got, wanted)
}
}
}