(t *testing.T)
| 124 | } |
| 125 | |
| 126 | func TestReadFileHandleReadAt(t *testing.T) { |
| 127 | _, _, fh := readHandleCreate(t) |
| 128 | |
| 129 | // read from start |
| 130 | buf := make([]byte, 1) |
| 131 | n, err := fh.ReadAt(buf, 0) |
| 132 | require.NoError(t, err) |
| 133 | assert.Equal(t, 1, n) |
| 134 | assert.Equal(t, "0", string(buf[:n])) |
| 135 | |
| 136 | // seek forwards |
| 137 | n, err = fh.ReadAt(buf, 5) |
| 138 | require.NoError(t, err) |
| 139 | assert.Equal(t, 1, n) |
| 140 | assert.Equal(t, "5", string(buf[:n])) |
| 141 | |
| 142 | // seek backwards |
| 143 | n, err = fh.ReadAt(buf, 1) |
| 144 | require.NoError(t, err) |
| 145 | assert.Equal(t, 1, n) |
| 146 | assert.Equal(t, "1", string(buf[:n])) |
| 147 | |
| 148 | // read exactly to the end |
| 149 | buf = make([]byte, 6) |
| 150 | n, err = fh.ReadAt(buf, 10) |
| 151 | require.NoError(t, err) |
| 152 | assert.Equal(t, 6, n) |
| 153 | assert.Equal(t, "abcdef", string(buf[:n])) |
| 154 | |
| 155 | // read off the end |
| 156 | buf = make([]byte, 256) |
| 157 | n, err = fh.ReadAt(buf, 10) |
| 158 | assert.Equal(t, io.EOF, err) |
| 159 | assert.Equal(t, 6, n) |
| 160 | assert.Equal(t, "abcdef", string(buf[:n])) |
| 161 | |
| 162 | // read starting off the end |
| 163 | n, err = fh.ReadAt(buf, 100) |
| 164 | assert.Equal(t, io.EOF, err) |
| 165 | assert.Equal(t, 0, n) |
| 166 | |
| 167 | // check noSeek gives an error |
| 168 | fh.noSeek = true |
| 169 | _, err = fh.ReadAt(buf, 100) |
| 170 | assert.Equal(t, ESPIPE, err) |
| 171 | |
| 172 | // Properly close the file |
| 173 | assert.NoError(t, fh.Close()) |
| 174 | |
| 175 | // check reading on closed file |
| 176 | fh.noSeek = true |
| 177 | _, err = fh.ReadAt(buf, 100) |
| 178 | assert.Equal(t, ECLOSED, err) |
| 179 | } |
| 180 | |
| 181 | func TestReadFileHandleFlush(t *testing.T) { |
| 182 | _, _, fh := readHandleCreate(t) |
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