| 11 | ) |
| 12 | |
| 13 | func TestLimitWriter(t *testing.T) { |
| 14 | t.Parallel() |
| 15 | |
| 16 | type writeCase struct { |
| 17 | N int |
| 18 | ExpN int |
| 19 | Err bool |
| 20 | } |
| 21 | |
| 22 | // testCases will do multiple writes to the same limit writer and check the output. |
| 23 | testCases := []struct { |
| 24 | Name string |
| 25 | L int64 |
| 26 | Writes []writeCase |
| 27 | N int |
| 28 | ExpN int |
| 29 | }{ |
| 30 | { |
| 31 | Name: "Empty", |
| 32 | L: 1000, |
| 33 | Writes: []writeCase{ |
| 34 | // A few empty writes |
| 35 | {N: 0, ExpN: 0}, {N: 0, ExpN: 0}, {N: 0, ExpN: 0}, |
| 36 | }, |
| 37 | }, |
| 38 | { |
| 39 | Name: "NotFull", |
| 40 | L: 1000, |
| 41 | Writes: []writeCase{ |
| 42 | {N: 250, ExpN: 250}, |
| 43 | {N: 250, ExpN: 250}, |
| 44 | {N: 250, ExpN: 250}, |
| 45 | }, |
| 46 | }, |
| 47 | { |
| 48 | Name: "Short", |
| 49 | L: 1000, |
| 50 | Writes: []writeCase{ |
| 51 | {N: 250, ExpN: 250}, |
| 52 | {N: 250, ExpN: 250}, |
| 53 | {N: 250, ExpN: 250}, |
| 54 | {N: 250, ExpN: 250}, |
| 55 | {N: 250, ExpN: 0, Err: true}, |
| 56 | }, |
| 57 | }, |
| 58 | { |
| 59 | Name: "Exact", |
| 60 | L: 1000, |
| 61 | Writes: []writeCase{ |
| 62 | { |
| 63 | N: 1000, |
| 64 | ExpN: 1000, |
| 65 | }, |
| 66 | { |
| 67 | N: 1000, |
| 68 | Err: true, |
| 69 | }, |
| 70 | }, |