| 101 | } |
| 102 | |
| 103 | func TestByteViewSlice(t *testing.T) { |
| 104 | tests := []struct { |
| 105 | in string |
| 106 | from int |
| 107 | to interface{} // nil to mean the end (SliceFrom); else int |
| 108 | want string |
| 109 | }{ |
| 110 | { |
| 111 | in: "abc", |
| 112 | from: 1, |
| 113 | to: 2, |
| 114 | want: "b", |
| 115 | }, |
| 116 | { |
| 117 | in: "abc", |
| 118 | from: 1, |
| 119 | want: "bc", |
| 120 | }, |
| 121 | { |
| 122 | in: "abc", |
| 123 | to: 2, |
| 124 | want: "ab", |
| 125 | }, |
| 126 | } |
| 127 | for i, tt := range tests { |
| 128 | for _, v := range []ByteView{of([]byte(tt.in)), of(tt.in)} { |
| 129 | name := fmt.Sprintf("test %d, view %+v", i, v) |
| 130 | if tt.to != nil { |
| 131 | v = v.Slice(tt.from, tt.to.(int)) |
| 132 | } else { |
| 133 | v = v.SliceFrom(tt.from) |
| 134 | } |
| 135 | if v.String() != tt.want { |
| 136 | t.Errorf("%s: got %q; want %q", name, v.String(), tt.want) |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | func min(a, b int) int { |
| 143 | if a < b { |