| 311 | } |
| 312 | |
| 313 | func TestSetCell(t *testing.T) { |
| 314 | size := image.Point{3, 3} |
| 315 | tests := []struct { |
| 316 | desc string |
| 317 | buffer Buffer |
| 318 | point image.Point |
| 319 | r rune |
| 320 | opts []cell.Option |
| 321 | wantCells int |
| 322 | want Buffer |
| 323 | wantErr bool |
| 324 | }{ |
| 325 | { |
| 326 | desc: "point falls before the buffer", |
| 327 | buffer: mustNew(size), |
| 328 | point: image.Point{-1, -1}, |
| 329 | r: 'A', |
| 330 | wantErr: true, |
| 331 | }, |
| 332 | { |
| 333 | desc: "point falls after the buffer", |
| 334 | buffer: mustNew(size), |
| 335 | point: image.Point{3, 3}, |
| 336 | r: 'A', |
| 337 | wantErr: true, |
| 338 | }, |
| 339 | { |
| 340 | desc: "point falls on cell with partial rune", |
| 341 | buffer: func() Buffer { |
| 342 | b := mustNew(size) |
| 343 | b[0][0].Rune = '世' |
| 344 | return b |
| 345 | }(), |
| 346 | point: image.Point{1, 0}, |
| 347 | r: 'A', |
| 348 | wantErr: true, |
| 349 | }, |
| 350 | { |
| 351 | desc: "point falls on cell with full-width rune and overwrites with half-width rune", |
| 352 | buffer: func() Buffer { |
| 353 | b := mustNew(size) |
| 354 | b[0][0].Rune = '世' |
| 355 | return b |
| 356 | }(), |
| 357 | point: image.Point{0, 0}, |
| 358 | r: 'A', |
| 359 | wantCells: 1, |
| 360 | want: func() Buffer { |
| 361 | b := mustNew(size) |
| 362 | b[0][0].Rune = 'A' |
| 363 | return b |
| 364 | }(), |
| 365 | }, |
| 366 | { |
| 367 | desc: "point falls on cell with full-width rune and overwrites with full-width rune", |
| 368 | buffer: func() Buffer { |
| 369 | b := mustNew(size) |
| 370 | b[0][0].Rune = '世' |