(t *testing.T)
| 11 | ) |
| 12 | |
| 13 | func TestLogBase2(t *testing.T) { |
| 14 | tests := []struct { |
| 15 | name string |
| 16 | n uint32 |
| 17 | want uint32 |
| 18 | }{ |
| 19 | {"log2(1) = 0", 1, 0}, |
| 20 | {"log2(2) = 1", 2, 1}, |
| 21 | {"log2(4) = 2", 4, 2}, |
| 22 | {"log2(8) = 3", 8, 3}, |
| 23 | {"log2(16) = 4", 16, 4}, |
| 24 | {"log2(32) = 5", 32, 5}, |
| 25 | {"log2(64) = 6", 64, 6}, |
| 26 | {"log2(128) = 7", 128, 7}, |
| 27 | {"log2(256) = 8", 256, 8}, |
| 28 | } |
| 29 | for _, test := range tests { |
| 30 | t.Run(test.name, func(t *testing.T) { |
| 31 | if got := LogBase2(test.n); got != test.want { |
| 32 | t.Errorf("LogBase2() = %v, want %v", got, test.want) |
| 33 | } |
| 34 | }) |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | func BenchmarkBitwiseLogBase2(b *testing.B) { |
| 39 | for i := 0; i < b.N; i++ { |
nothing calls this directly
no test coverage detected