av/codec/h264/decode/cabac_test.go

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package h264
import "testing"
var ctxIdxTests = []struct {
binIdx int
maxBinIdxCtx int
ctxIdxOffset int
want int
}{
{0, 0, 0, 10000},
{999, 0, 0, 10000},
{0, 0, 3, 10000},
{1, 0, 3, 276},
{2, 0, 3, 3},
{3, 0, 3, 4},
{4, 0, 3, 10000},
{5, 0, 3, 10000},
{999, 0, 3, 7},
{0, 0, 11, 10000},
{999, 0, 11, 10000},
{0, 0, 14, 0},
{1, 0, 14, 1},
{2, 0, 14, 10000},
{999, 0, 14, 10000},
{0, 0, 17, 0},
{1, 0, 17, 276},
{2, 0, 17, 1},
{3, 0, 17, 2},
{4, 0, 17, 10000},
{999, 0, 17, 3},
{0, 0, 21, 0},
{1, 0, 21, 1},
{2, 0, 21, 2},
{999, 0, 21, 10000},
{0, 0, 24, 10000},
{999, 0, 24, 10000},
{0, 0, 27, 10000},
{1, 0, 27, 3},
{2, 0, 27, 10000},
{999, 0, 27, 5},
{0, 0, 32, 0},
{1, 0, 32, 276},
{2, 0, 32, 1},
{3, 0, 32, 2},
{4, 0, 32, 10000},
{999, 0, 32, 3},
{0, 0, 36, 0},
{1, 0, 36, 1},
{2, 0, 36, 10000},
{3, 0, 36, 3},
{4, 0, 36, 3},
{5, 0, 36, 3},
{0, 0, 40, 10000},
{0, 0, 47, 10000},
{1, 0, 47, 3},
{2, 0, 47, 4},
{3, 0, 47, 5},
{999, 0, 47, 6},
{0, 0, 54, 10000},
{1, 0, 54, 4},
{999, 0, 54, 5},
{0, 0, 60, 10000},
{1, 0, 60, 2},
{999, 0, 60, 3},
{0, 0, 64, 10000},
{1, 0, 64, 3},
{2, 0, 64, 3},
{999, 0, 64, 10000},
{0, 0, 68, 0},
{999, 0, 68, 10000},
{0, 0, 69, 0},
{1, 0, 69, 0},
{2, 0, 69, 0},
{0, 0, 70, 10000},
{999, 0, 70, 10000},
{0, 0, 73, 10000},
{1, 0, 73, 10000},
{2, 0, 73, 10000},
{3, 0, 73, 10000},
{4, 0, 73, 10000},
{999, 0, 73, 10000},
{0, 0, 77, 10000},
{1, 0, 77, 10000},
{999, 0, 77, 10000},
{0, 0, 276, 0},
{999, 0, 276, 10000},
{0, 0, 399, 10000},
{999, 0, 399, 10000},
}
// TestCtxIdx tests that the CtxIdx function returns the correct
// value given binIdx and ctxIdxOffset.
func TestCtxIdx(t *testing.T) {
for _, tt := range ctxIdxTests {
if got := CtxIdx(tt.binIdx, tt.maxBinIdxCtx, tt.ctxIdxOffset); got != tt.want {
t.Errorf("CtxIdx(%d, %d, %d) = %d, want %d", tt.binIdx, tt.maxBinIdxCtx, tt.ctxIdxOffset, got, tt.want)
}
}
}