ccecda4 · helix · git.iko.soy

git.iko.soy/helix

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Add more unit tests for pos_at_screen_coords.

ccecda4Nathan Vegdahl5 years ago

helix-view/src/view.rs+68−27

compare with master

unifiedsplit

@@ -245,76 +245,117 @@ impl View {

245mod tests {

246 use super::*;

247 use helix_core::Rope;

248+ const OFFSET: u16 = 7; // 1 diagnostic + 5 linenr + 1 gutter

248

249

249 #[test]

250 #[test]

250 fn test_text_pos_at_screen_coords() {

251 fn test_text_pos_at_screen_coords() {

251 let mut view = View::new(DocumentId::default());

252 let mut view = View::new(DocumentId::default());

252 view.area = Rect::new(40, 40, 40, 40);

253 view.area = Rect::new(40, 40, 40, 40);

253− let text = Rope::from_str("abc\n\tdef");

254+ let rope = Rope::from_str("abc\n\tdef");

255+ let text = rope.slice(..);

256+

257+ assert_eq!(view.text_pos_at_screen_coords(&text, 40, 2, 4), None);

258+

259+ assert_eq!(view.text_pos_at_screen_coords(&text, 40, 41, 4), None);

260+

261+ assert_eq!(view.text_pos_at_screen_coords(&text, 0, 2, 4), None);

262+

263+ assert_eq!(view.text_pos_at_screen_coords(&text, 0, 49, 4), None);

264+

265+ assert_eq!(view.text_pos_at_screen_coords(&text, 0, 41, 4), None);

266+

267+ assert_eq!(view.text_pos_at_screen_coords(&text, 40, 81, 4), None);

268+

269+ assert_eq!(view.text_pos_at_screen_coords(&text, 78, 41, 4), None);

254

270

255 assert_eq!(

271 assert_eq!(

256− view.text_pos_at_screen_coords(&text.slice(..), 40, 2, 4),

272+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 3, 4),

257− None

273+ Some(3)

258 );

274 );

259

275

276+ assert_eq!(view.text_pos_at_screen_coords(&text, 40, 80, 4), Some(3));

277+

260 assert_eq!(

278 assert_eq!(

261− view.text_pos_at_screen_coords(&text.slice(..), 40, 41, 4),

279+ view.text_pos_at_screen_coords(&text, 41, 40 + OFFSET + 1, 4),

262− None

280+ Some(5)

263 );

281 );

264

282

265 assert_eq!(

283 assert_eq!(

266− view.text_pos_at_screen_coords(&text.slice(..), 0, 2, 4),

284+ view.text_pos_at_screen_coords(&text, 41, 40 + OFFSET + 4, 4),

267− None

285+ Some(5)

268 );

286 );

269

287

270 assert_eq!(

288 assert_eq!(

271− view.text_pos_at_screen_coords(&text.slice(..), 0, 49, 4),

289+ view.text_pos_at_screen_coords(&text, 41, 40 + OFFSET + 7, 4),

272− None

290+ Some(8)

273 );

291 );

274

292

293+ assert_eq!(view.text_pos_at_screen_coords(&text, 41, 80, 4), Some(8));

294+ }

295+

296+ #[test]

297+ fn test_text_pos_at_screen_coords_cjk() {

298+ let mut view = View::new(DocumentId::default());

299+ view.area = Rect::new(40, 40, 40, 40);

300+ let rope = Rope::from_str("Hi! こんにちは皆さん");

301+ let text = rope.slice(..);

302+

275 assert_eq!(

303 assert_eq!(

276− view.text_pos_at_screen_coords(&text.slice(..), 0, 41, 4),

304+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 0, 4),

277− None

305+ Some(0)

278 );

306 );

279

307

280 assert_eq!(

308 assert_eq!(

281− view.text_pos_at_screen_coords(&text.slice(..), 40, 81, 4),

309+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 5, 4),

282− None

310+ Some(5)

283 );

311 );

284

312

285 assert_eq!(

313 assert_eq!(

286− view.text_pos_at_screen_coords(&text.slice(..), 78, 41, 4),

314+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 6, 4),

287− None

315+ Some(5)

288 );

316 );

289

317

290 assert_eq!(

318 assert_eq!(

291− view.text_pos_at_screen_coords(&text.slice(..), 40, 40 + 7 + 3, 4),

319+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 7, 4),

292− Some(3)

320+ Some(6)

293 );

321 );

294

322

295 assert_eq!(

323 assert_eq!(

296− view.text_pos_at_screen_coords(&text.slice(..), 40, 80, 4),

324+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 8, 4),

297− Some(3)

325+ Some(6)

298 );

326 );

327+ }

328+

329+ #[test]

330+ fn test_text_pos_at_screen_coords_graphemes() {

331+ let mut view = View::new(DocumentId::default());

332+ view.area = Rect::new(40, 40, 40, 40);

333+ let rope = Rope::from_str("Hèl̀l̀ò world!");

334+ let text = rope.slice(..);

299

335

300 assert_eq!(

336 assert_eq!(

301− view.text_pos_at_screen_coords(&text.slice(..), 41, 40 + 7 + 1, 4),

337+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 0, 4),

302− Some(5)

338+ Some(0)

303 );

339 );

304

340

305 assert_eq!(

341 assert_eq!(

306− view.text_pos_at_screen_coords(&text.slice(..), 41, 40 + 7 + 4, 4),

342+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 1, 4),

307− Some(5)

343+ Some(1)

308 );

344 );

309

345

310 assert_eq!(

346 assert_eq!(

311− view.text_pos_at_screen_coords(&text.slice(..), 41, 40 + 7 + 7, 4),

347+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 2, 4),

312− Some(8)

348+ Some(3)

313 );

349 );

314

350

315 assert_eq!(

351 assert_eq!(

316− view.text_pos_at_screen_coords(&text.slice(..), 41, 80, 4),

352+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 3, 4),

353+ Some(5)

354+ );

355+

356+ assert_eq!(

357+ view.text_pos_at_screen_coords(&text, 40, 40 + OFFSET + 4, 4),

317− Some(8)

358+ Some(7)

318 );

359 );

319 }

360 }

320}

361}