1" Tests for various functions. 2 3" Must be done first, since the alternate buffer must be unset. 4func Test_00_bufexists() 5 call assert_equal(0, bufexists('does_not_exist')) 6 call assert_equal(1, bufexists(bufnr('%'))) 7 call assert_equal(0, bufexists(0)) 8 new Xfoo 9 let bn = bufnr('%') 10 call assert_equal(1, bufexists(bn)) 11 call assert_equal(1, bufexists('Xfoo')) 12 call assert_equal(1, bufexists(getcwd() . '/Xfoo')) 13 call assert_equal(1, bufexists(0)) 14 bw 15 call assert_equal(0, bufexists(bn)) 16 call assert_equal(0, bufexists('Xfoo')) 17endfunc 18 19func Test_empty() 20 call assert_equal(1, empty('')) 21 call assert_equal(0, empty('a')) 22 23 call assert_equal(1, empty(0)) 24 call assert_equal(1, empty(-0)) 25 call assert_equal(0, empty(1)) 26 call assert_equal(0, empty(-1)) 27 28 call assert_equal(1, empty(0.0)) 29 call assert_equal(1, empty(-0.0)) 30 call assert_equal(0, empty(1.0)) 31 call assert_equal(0, empty(-1.0)) 32 call assert_equal(0, empty(1.0/0.0)) 33 call assert_equal(0, empty(0.0/0.0)) 34 35 call assert_equal(1, empty([])) 36 call assert_equal(0, empty(['a'])) 37 38 call assert_equal(1, empty({})) 39 call assert_equal(0, empty({'a':1})) 40 41 call assert_equal(1, empty(v:null)) 42 call assert_equal(1, empty(v:none)) 43 call assert_equal(1, empty(v:false)) 44 call assert_equal(0, empty(v:true)) 45 46 if has('channel') 47 call assert_equal(1, empty(test_null_channel())) 48 endif 49 if has('job') 50 call assert_equal(1, empty(test_null_job())) 51 endif 52 53 call assert_equal(0, empty(function('Test_empty'))) 54endfunc 55 56func Test_len() 57 call assert_equal(1, len(0)) 58 call assert_equal(2, len(12)) 59 60 call assert_equal(0, len('')) 61 call assert_equal(2, len('ab')) 62 63 call assert_equal(0, len([])) 64 call assert_equal(2, len([2, 1])) 65 66 call assert_equal(0, len({})) 67 call assert_equal(2, len({'a': 1, 'b': 2})) 68 69 call assert_fails('call len(v:none)', 'E701:') 70 call assert_fails('call len({-> 0})', 'E701:') 71endfunc 72 73func Test_max() 74 call assert_equal(0, max([])) 75 call assert_equal(2, max([2])) 76 call assert_equal(2, max([1, 2])) 77 call assert_equal(2, max([1, 2, v:null])) 78 79 call assert_equal(0, max({})) 80 call assert_equal(2, max({'a':1, 'b':2})) 81 82 call assert_fails('call max(1)', 'E712:') 83 call assert_fails('call max(v:none)', 'E712:') 84endfunc 85 86func Test_min() 87 call assert_equal(0, min([])) 88 call assert_equal(2, min([2])) 89 call assert_equal(1, min([1, 2])) 90 call assert_equal(0, min([1, 2, v:null])) 91 92 call assert_equal(0, min({})) 93 call assert_equal(1, min({'a':1, 'b':2})) 94 95 call assert_fails('call min(1)', 'E712:') 96 call assert_fails('call min(v:none)', 'E712:') 97endfunc 98 99func Test_strwidth() 100 for aw in ['single', 'double'] 101 exe 'set ambiwidth=' . aw 102 call assert_equal(0, strwidth('')) 103 call assert_equal(1, strwidth("\t")) 104 call assert_equal(3, strwidth('Vim')) 105 call assert_equal(4, strwidth(1234)) 106 call assert_equal(5, strwidth(-1234)) 107 108 if has('multi_byte') 109 call assert_equal(2, strwidth('��')) 110 call assert_equal(17, strwidth('Eĥoŝanĝo ĉiuĵaŭde')) 111 call assert_equal((aw == 'single') ? 6 : 7, strwidth('Straße')) 112 endif 113 114 call assert_fails('call strwidth({->0})', 'E729:') 115 call assert_fails('call strwidth([])', 'E730:') 116 call assert_fails('call strwidth({})', 'E731:') 117 call assert_fails('call strwidth(1.2)', 'E806:') 118 endfor 119 120 set ambiwidth& 121endfunc 122 123func Test_str2nr() 124 call assert_equal(0, str2nr('')) 125 call assert_equal(1, str2nr('1')) 126 call assert_equal(1, str2nr(' 1 ')) 127 128 call assert_equal(1, str2nr('+1')) 129 call assert_equal(1, str2nr('+ 1')) 130 call assert_equal(1, str2nr(' + 1 ')) 131 132 call assert_equal(-1, str2nr('-1')) 133 call assert_equal(-1, str2nr('- 1')) 134 call assert_equal(-1, str2nr(' - 1 ')) 135 136 call assert_equal(123456789, str2nr('123456789')) 137 call assert_equal(-123456789, str2nr('-123456789')) 138 139 call assert_equal(5, str2nr('101', 2)) 140 call assert_equal(5, str2nr('0b101', 2)) 141 call assert_equal(5, str2nr('0B101', 2)) 142 call assert_equal(-5, str2nr('-101', 2)) 143 call assert_equal(-5, str2nr('-0b101', 2)) 144 call assert_equal(-5, str2nr('-0B101', 2)) 145 146 call assert_equal(65, str2nr('101', 8)) 147 call assert_equal(65, str2nr('0101', 8)) 148 call assert_equal(-65, str2nr('-101', 8)) 149 call assert_equal(-65, str2nr('-0101', 8)) 150 151 call assert_equal(11259375, str2nr('abcdef', 16)) 152 call assert_equal(11259375, str2nr('ABCDEF', 16)) 153 call assert_equal(-11259375, str2nr('-ABCDEF', 16)) 154 call assert_equal(11259375, str2nr('0xabcdef', 16)) 155 call assert_equal(11259375, str2nr('0Xabcdef', 16)) 156 call assert_equal(11259375, str2nr('0XABCDEF', 16)) 157 call assert_equal(-11259375, str2nr('-0xABCDEF', 16)) 158 159 call assert_equal(0, str2nr('0x10')) 160 call assert_equal(0, str2nr('0b10')) 161 call assert_equal(1, str2nr('12', 2)) 162 call assert_equal(1, str2nr('18', 8)) 163 call assert_equal(1, str2nr('1g', 16)) 164 165 call assert_equal(0, str2nr(v:null)) 166 call assert_equal(0, str2nr(v:none)) 167 168 call assert_fails('call str2nr([])', 'E730:') 169 call assert_fails('call str2nr({->2})', 'E729:') 170 call assert_fails('call str2nr(1.2)', 'E806:') 171 call assert_fails('call str2nr(10, [])', 'E474:') 172endfunc 173 174func Test_strftime() 175 if !exists('*strftime') 176 return 177 endif 178 " Format of strftime() depends on system. We assume 179 " that basic formats tested here are available and 180 " identical on all systems which support strftime(). 181 " 182 " The 2nd parameter of strftime() is a local time, so the output day 183 " of strftime() can be 17 or 18, depending on timezone. 184 call assert_match('^2017-01-1[78]$', strftime('%Y-%m-%d', 1484695512)) 185 " 186 call assert_match('^\d\d\d\d-\(0\d\|1[012]\)-\([012]\d\|3[01]\) \([01]\d\|2[0-3]\):[0-5]\d:\([0-5]\d\|60\)$', strftime('%Y-%m-%d %H:%M:%S')) 187 188 call assert_fails('call strftime([])', 'E730:') 189 call assert_fails('call strftime("%Y", [])', 'E745:') 190endfunc 191 192func Test_simplify() 193 call assert_equal('', simplify('')) 194 call assert_equal('/', simplify('/')) 195 call assert_equal('/', simplify('/.')) 196 call assert_equal('/', simplify('/..')) 197 call assert_equal('/...', simplify('/...')) 198 call assert_equal('./dir/file', simplify('./dir/file')) 199 call assert_equal('./dir/file', simplify('.///dir//file')) 200 call assert_equal('./dir/file', simplify('./dir/./file')) 201 call assert_equal('./file', simplify('./dir/../file')) 202 call assert_equal('../dir/file', simplify('dir/../../dir/file')) 203 call assert_equal('./file', simplify('dir/.././file')) 204 205 call assert_fails('call simplify({->0})', 'E729:') 206 call assert_fails('call simplify([])', 'E730:') 207 call assert_fails('call simplify({})', 'E731:') 208 call assert_fails('call simplify(1.2)', 'E806:') 209endfunc 210 211func Test_strpart() 212 call assert_equal('de', strpart('abcdefg', 3, 2)) 213 call assert_equal('ab', strpart('abcdefg', -2, 4)) 214 call assert_equal('abcdefg', strpart('abcdefg', -2)) 215 call assert_equal('fg', strpart('abcdefg', 5, 4)) 216 call assert_equal('defg', strpart('abcdefg', 3)) 217 218 if has('multi_byte') 219 call assert_equal('lép', strpart('éléphant', 2, 4)) 220 call assert_equal('léphant', strpart('éléphant', 2)) 221 endif 222endfunc 223 224func Test_tolower() 225 call assert_equal("", tolower("")) 226 227 " Test with all printable ASCII characters. 228 call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\]^_`abcdefghijklmnopqrstuvwxyz{|}~', 229 \ tolower(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~')) 230 231 if !has('multi_byte') 232 return 233 endif 234 235 " Test with a few uppercase diacritics. 236 call assert_equal("aàáâãäåāăąǎǟǡả", tolower("AÀÁÂÃÄÅĀĂĄǍǞǠẢ")) 237 call assert_equal("bḃḇ", tolower("BḂḆ")) 238 call assert_equal("cçćĉċč", tolower("CÇĆĈĊČ")) 239 call assert_equal("dďđḋḏḑ", tolower("DĎĐḊḎḐ")) 240 call assert_equal("eèéêëēĕėęěẻẽ", tolower("EÈÉÊËĒĔĖĘĚẺẼ")) 241 call assert_equal("fḟ ", tolower("FḞ ")) 242 call assert_equal("gĝğġģǥǧǵḡ", tolower("GĜĞĠĢǤǦǴḠ")) 243 call assert_equal("hĥħḣḧḩ", tolower("HĤĦḢḦḨ")) 244 call assert_equal("iìíîïĩīĭįiǐỉ", tolower("IÌÍÎÏĨĪĬĮİǏỈ")) 245 call assert_equal("jĵ", tolower("JĴ")) 246 call assert_equal("kķǩḱḵ", tolower("KĶǨḰḴ")) 247 call assert_equal("lĺļľŀłḻ", tolower("LĹĻĽĿŁḺ")) 248 call assert_equal("mḿṁ", tolower("MḾṀ")) 249 call assert_equal("nñńņňṅṉ", tolower("NÑŃŅŇṄṈ")) 250 call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ")) 251 call assert_equal("pṕṗ", tolower("PṔṖ")) 252 call assert_equal("q", tolower("Q")) 253 call assert_equal("rŕŗřṙṟ", tolower("RŔŖŘṘṞ")) 254 call assert_equal("sśŝşšṡ", tolower("SŚŜŞŠṠ")) 255 call assert_equal("tţťŧṫṯ", tolower("TŢŤŦṪṮ")) 256 call assert_equal("uùúûüũūŭůűųưǔủ", tolower("UÙÚÛÜŨŪŬŮŰŲƯǓỦ")) 257 call assert_equal("vṽ", tolower("VṼ")) 258 call assert_equal("wŵẁẃẅẇ", tolower("WŴẀẂẄẆ")) 259 call assert_equal("xẋẍ", tolower("XẊẌ")) 260 call assert_equal("yýŷÿẏỳỷỹ", tolower("YÝŶŸẎỲỶỸ")) 261 call assert_equal("zźżžƶẑẕ", tolower("ZŹŻŽƵẐẔ")) 262 263 " Test with a few lowercase diacritics, which should remain unchanged. 264 call assert_equal("aàáâãäåāăąǎǟǡả", tolower("aàáâãäåāăąǎǟǡả")) 265 call assert_equal("bḃḇ", tolower("bḃḇ")) 266 call assert_equal("cçćĉċč", tolower("cçćĉċč")) 267 call assert_equal("dďđḋḏḑ", tolower("dďđḋḏḑ")) 268 call assert_equal("eèéêëēĕėęěẻẽ", tolower("eèéêëēĕėęěẻẽ")) 269 call assert_equal("fḟ", tolower("fḟ")) 270 call assert_equal("gĝğġģǥǧǵḡ", tolower("gĝğġģǥǧǵḡ")) 271 call assert_equal("hĥħḣḧḩẖ", tolower("hĥħḣḧḩẖ")) 272 call assert_equal("iìíîïĩīĭįǐỉ", tolower("iìíîïĩīĭįǐỉ")) 273 call assert_equal("jĵǰ", tolower("jĵǰ")) 274 call assert_equal("kķǩḱḵ", tolower("kķǩḱḵ")) 275 call assert_equal("lĺļľŀłḻ", tolower("lĺļľŀłḻ")) 276 call assert_equal("mḿṁ ", tolower("mḿṁ ")) 277 call assert_equal("nñńņňʼnṅṉ", tolower("nñńņňʼnṅṉ")) 278 call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("oòóôõöøōŏőơǒǫǭỏ")) 279 call assert_equal("pṕṗ", tolower("pṕṗ")) 280 call assert_equal("q", tolower("q")) 281 call assert_equal("rŕŗřṙṟ", tolower("rŕŗřṙṟ")) 282 call assert_equal("sśŝşšṡ", tolower("sśŝşšṡ")) 283 call assert_equal("tţťŧṫṯẗ", tolower("tţťŧṫṯẗ")) 284 call assert_equal("uùúûüũūŭůűųưǔủ", tolower("uùúûüũūŭůűųưǔủ")) 285 call assert_equal("vṽ", tolower("vṽ")) 286 call assert_equal("wŵẁẃẅẇẘ", tolower("wŵẁẃẅẇẘ")) 287 call assert_equal("ẋẍ", tolower("ẋẍ")) 288 call assert_equal("yýÿŷẏẙỳỷỹ", tolower("yýÿŷẏẙỳỷỹ")) 289 call assert_equal("zźżžƶẑẕ", tolower("zźżžƶẑẕ")) 290 291 " According to https://twitter.com/jifa/status/625776454479970304 292 " Ⱥ (U+023A) and Ⱦ (U+023E) are the *only* code points to increase 293 " in length (2 to 3 bytes) when lowercased. So let's test them. 294 call assert_equal("ⱥ ⱦ", tolower("Ⱥ Ⱦ")) 295 296 " This call to tolower with invalid utf8 sequence used to cause access to 297 " invalid memory. 298 call tolower("\xC0\x80\xC0") 299 call tolower("123\xC0\x80\xC0") 300endfunc 301 302func Test_toupper() 303 call assert_equal("", toupper("")) 304 305 " Test with all printable ASCII characters. 306 call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~', 307 \ toupper(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~')) 308 309 if !has('multi_byte') 310 return 311 endif 312 313 " Test with a few lowercase diacritics. 314 call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", toupper("aàáâãäåāăąǎǟǡả")) 315 call assert_equal("BḂḆ", toupper("bḃḇ")) 316 call assert_equal("CÇĆĈĊČ", toupper("cçćĉċč")) 317 call assert_equal("DĎĐḊḎḐ", toupper("dďđḋḏḑ")) 318 call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("eèéêëēĕėęěẻẽ")) 319 call assert_equal("FḞ", toupper("fḟ")) 320 call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("gĝğġģǥǧǵḡ")) 321 call assert_equal("HĤĦḢḦḨẖ", toupper("hĥħḣḧḩẖ")) 322 call assert_equal("IÌÍÎÏĨĪĬĮǏỈ", toupper("iìíîïĩīĭįǐỉ")) 323 call assert_equal("JĴǰ", toupper("jĵǰ")) 324 call assert_equal("KĶǨḰḴ", toupper("kķǩḱḵ")) 325 call assert_equal("LĹĻĽĿŁḺ", toupper("lĺļľŀłḻ")) 326 call assert_equal("MḾṀ ", toupper("mḿṁ ")) 327 call assert_equal("NÑŃŅŇʼnṄṈ", toupper("nñńņňʼnṅṉ")) 328 call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("oòóôõöøōŏőơǒǫǭỏ")) 329 call assert_equal("PṔṖ", toupper("pṕṗ")) 330 call assert_equal("Q", toupper("q")) 331 call assert_equal("RŔŖŘṘṞ", toupper("rŕŗřṙṟ")) 332 call assert_equal("SŚŜŞŠṠ", toupper("sśŝşšṡ")) 333 call assert_equal("TŢŤŦṪṮẗ", toupper("tţťŧṫṯẗ")) 334 call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("uùúûüũūŭůűųưǔủ")) 335 call assert_equal("VṼ", toupper("vṽ")) 336 call assert_equal("WŴẀẂẄẆẘ", toupper("wŵẁẃẅẇẘ")) 337 call assert_equal("ẊẌ", toupper("ẋẍ")) 338 call assert_equal("YÝŸŶẎẙỲỶỸ", toupper("yýÿŷẏẙỳỷỹ")) 339 call assert_equal("ZŹŻŽƵẐẔ", toupper("zźżžƶẑẕ")) 340 341 " Test that uppercase diacritics, which should remain unchanged. 342 call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", toupper("AÀÁÂÃÄÅĀĂĄǍǞǠẢ")) 343 call assert_equal("BḂḆ", toupper("BḂḆ")) 344 call assert_equal("CÇĆĈĊČ", toupper("CÇĆĈĊČ")) 345 call assert_equal("DĎĐḊḎḐ", toupper("DĎĐḊḎḐ")) 346 call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("EÈÉÊËĒĔĖĘĚẺẼ")) 347 call assert_equal("FḞ ", toupper("FḞ ")) 348 call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("GĜĞĠĢǤǦǴḠ")) 349 call assert_equal("HĤĦḢḦḨ", toupper("HĤĦḢḦḨ")) 350 call assert_equal("IÌÍÎÏĨĪĬĮİǏỈ", toupper("IÌÍÎÏĨĪĬĮİǏỈ")) 351 call assert_equal("JĴ", toupper("JĴ")) 352 call assert_equal("KĶǨḰḴ", toupper("KĶǨḰḴ")) 353 call assert_equal("LĹĻĽĿŁḺ", toupper("LĹĻĽĿŁḺ")) 354 call assert_equal("MḾṀ", toupper("MḾṀ")) 355 call assert_equal("NÑŃŅŇṄṈ", toupper("NÑŃŅŇṄṈ")) 356 call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ")) 357 call assert_equal("PṔṖ", toupper("PṔṖ")) 358 call assert_equal("Q", toupper("Q")) 359 call assert_equal("RŔŖŘṘṞ", toupper("RŔŖŘṘṞ")) 360 call assert_equal("SŚŜŞŠṠ", toupper("SŚŜŞŠṠ")) 361 call assert_equal("TŢŤŦṪṮ", toupper("TŢŤŦṪṮ")) 362 call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("UÙÚÛÜŨŪŬŮŰŲƯǓỦ")) 363 call assert_equal("VṼ", toupper("VṼ")) 364 call assert_equal("WŴẀẂẄẆ", toupper("WŴẀẂẄẆ")) 365 call assert_equal("XẊẌ", toupper("XẊẌ")) 366 call assert_equal("YÝŶŸẎỲỶỸ", toupper("YÝŶŸẎỲỶỸ")) 367 call assert_equal("ZŹŻŽƵẐẔ", toupper("ZŹŻŽƵẐẔ")) 368 369 call assert_equal("Ⱥ Ⱦ", toupper("ⱥ ⱦ")) 370 371 " This call to toupper with invalid utf8 sequence used to cause access to 372 " invalid memory. 373 call toupper("\xC0\x80\xC0") 374 call toupper("123\xC0\x80\xC0") 375endfunc 376 377" Tests for the mode() function 378let current_modes = '' 379func Save_mode() 380 let g:current_modes = mode(0) . '-' . mode(1) 381 return '' 382endfunc 383 384func Test_mode() 385 new 386 call append(0, ["Blue Ball Black", "Brown Band Bowl", ""]) 387 388 " Only complete from the current buffer. 389 set complete=. 390 391 inoremap <F2> <C-R>=Save_mode()<CR> 392 393 normal! 3G 394 exe "normal i\<F2>\<Esc>" 395 call assert_equal('i-i', g:current_modes) 396 " i_CTRL-P: Multiple matches 397 exe "normal i\<C-G>uBa\<C-P>\<F2>\<Esc>u" 398 call assert_equal('i-ic', g:current_modes) 399 " i_CTRL-P: Single match 400 exe "normal iBro\<C-P>\<F2>\<Esc>u" 401 call assert_equal('i-ic', g:current_modes) 402 " i_CTRL-X 403 exe "normal iBa\<C-X>\<F2>\<Esc>u" 404 call assert_equal('i-ix', g:current_modes) 405 " i_CTRL-X CTRL-P: Multiple matches 406 exe "normal iBa\<C-X>\<C-P>\<F2>\<Esc>u" 407 call assert_equal('i-ic', g:current_modes) 408 " i_CTRL-X CTRL-P: Single match 409 exe "normal iBro\<C-X>\<C-P>\<F2>\<Esc>u" 410 call assert_equal('i-ic', g:current_modes) 411 " i_CTRL-X CTRL-P + CTRL-P: Single match 412 exe "normal iBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u" 413 call assert_equal('i-ic', g:current_modes) 414 " i_CTRL-X CTRL-L: Multiple matches 415 exe "normal i\<C-X>\<C-L>\<F2>\<Esc>u" 416 call assert_equal('i-ic', g:current_modes) 417 " i_CTRL-X CTRL-L: Single match 418 exe "normal iBlu\<C-X>\<C-L>\<F2>\<Esc>u" 419 call assert_equal('i-ic', g:current_modes) 420 " i_CTRL-P: No match 421 exe "normal iCom\<C-P>\<F2>\<Esc>u" 422 call assert_equal('i-ic', g:current_modes) 423 " i_CTRL-X CTRL-P: No match 424 exe "normal iCom\<C-X>\<C-P>\<F2>\<Esc>u" 425 call assert_equal('i-ic', g:current_modes) 426 " i_CTRL-X CTRL-L: No match 427 exe "normal iabc\<C-X>\<C-L>\<F2>\<Esc>u" 428 call assert_equal('i-ic', g:current_modes) 429 430 " R_CTRL-P: Multiple matches 431 exe "normal RBa\<C-P>\<F2>\<Esc>u" 432 call assert_equal('R-Rc', g:current_modes) 433 " R_CTRL-P: Single match 434 exe "normal RBro\<C-P>\<F2>\<Esc>u" 435 call assert_equal('R-Rc', g:current_modes) 436 " R_CTRL-X 437 exe "normal RBa\<C-X>\<F2>\<Esc>u" 438 call assert_equal('R-Rx', g:current_modes) 439 " R_CTRL-X CTRL-P: Multiple matches 440 exe "normal RBa\<C-X>\<C-P>\<F2>\<Esc>u" 441 call assert_equal('R-Rc', g:current_modes) 442 " R_CTRL-X CTRL-P: Single match 443 exe "normal RBro\<C-X>\<C-P>\<F2>\<Esc>u" 444 call assert_equal('R-Rc', g:current_modes) 445 " R_CTRL-X CTRL-P + CTRL-P: Single match 446 exe "normal RBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u" 447 call assert_equal('R-Rc', g:current_modes) 448 " R_CTRL-X CTRL-L: Multiple matches 449 exe "normal R\<C-X>\<C-L>\<F2>\<Esc>u" 450 call assert_equal('R-Rc', g:current_modes) 451 " R_CTRL-X CTRL-L: Single match 452 exe "normal RBlu\<C-X>\<C-L>\<F2>\<Esc>u" 453 call assert_equal('R-Rc', g:current_modes) 454 " R_CTRL-P: No match 455 exe "normal RCom\<C-P>\<F2>\<Esc>u" 456 call assert_equal('R-Rc', g:current_modes) 457 " R_CTRL-X CTRL-P: No match 458 exe "normal RCom\<C-X>\<C-P>\<F2>\<Esc>u" 459 call assert_equal('R-Rc', g:current_modes) 460 " R_CTRL-X CTRL-L: No match 461 exe "normal Rabc\<C-X>\<C-L>\<F2>\<Esc>u" 462 call assert_equal('R-Rc', g:current_modes) 463 464 call assert_equal('n', mode(0)) 465 call assert_equal('n', mode(1)) 466 467 " How to test operator-pending mode? 468 469 call feedkeys("v", 'xt') 470 call assert_equal('v', mode()) 471 call assert_equal('v', mode(1)) 472 call feedkeys("\<Esc>V", 'xt') 473 call assert_equal('V', mode()) 474 call assert_equal('V', mode(1)) 475 call feedkeys("\<Esc>\<C-V>", 'xt') 476 call assert_equal("\<C-V>", mode()) 477 call assert_equal("\<C-V>", mode(1)) 478 call feedkeys("\<Esc>", 'xt') 479 480 call feedkeys("gh", 'xt') 481 call assert_equal('s', mode()) 482 call assert_equal('s', mode(1)) 483 call feedkeys("\<Esc>gH", 'xt') 484 call assert_equal('S', mode()) 485 call assert_equal('S', mode(1)) 486 call feedkeys("\<Esc>g\<C-H>", 'xt') 487 call assert_equal("\<C-S>", mode()) 488 call assert_equal("\<C-S>", mode(1)) 489 call feedkeys("\<Esc>", 'xt') 490 491 call feedkeys(":echo \<C-R>=Save_mode()\<C-U>\<CR>", 'xt') 492 call assert_equal('c-c', g:current_modes) 493 call feedkeys("gQecho \<C-R>=Save_mode()\<CR>\<CR>vi\<CR>", 'xt') 494 call assert_equal('c-cv', g:current_modes) 495 " How to test Ex mode? 496 497 bwipe! 498 iunmap <F2> 499 set complete& 500endfunc 501 502func Test_getbufvar() 503 let bnr = bufnr('%') 504 let b:var_num = '1234' 505 let def_num = '5678' 506 call assert_equal('1234', getbufvar(bnr, 'var_num')) 507 call assert_equal('1234', getbufvar(bnr, 'var_num', def_num)) 508 509 let bd = getbufvar(bnr, '') 510 call assert_equal('1234', bd['var_num']) 511 call assert_true(exists("bd['changedtick']")) 512 call assert_equal(2, len(bd)) 513 514 let bd2 = getbufvar(bnr, '', def_num) 515 call assert_equal(bd, bd2) 516 517 unlet b:var_num 518 call assert_equal(def_num, getbufvar(bnr, 'var_num', def_num)) 519 call assert_equal('', getbufvar(bnr, 'var_num')) 520 521 let bd = getbufvar(bnr, '') 522 call assert_equal(1, len(bd)) 523 let bd = getbufvar(bnr, '',def_num) 524 call assert_equal(1, len(bd)) 525 526 call assert_equal('', getbufvar(9999, '')) 527 call assert_equal(def_num, getbufvar(9999, '', def_num)) 528 unlet def_num 529 530 call assert_equal(0, getbufvar(bnr, '&autoindent')) 531 call assert_equal(0, getbufvar(bnr, '&autoindent', 1)) 532 533 " Open new window with forced option values 534 set fileformats=unix,dos 535 new ++ff=dos ++bin ++enc=iso-8859-2 536 call assert_equal('dos', getbufvar(bufnr('%'), '&fileformat')) 537 call assert_equal(1, getbufvar(bufnr('%'), '&bin')) 538 call assert_equal('iso-8859-2', getbufvar(bufnr('%'), '&fenc')) 539 close 540 541 set fileformats& 542endfunc 543 544func Test_last_buffer_nr() 545 call assert_equal(bufnr('$'), last_buffer_nr()) 546endfunc 547 548func Test_stridx() 549 call assert_equal(-1, stridx('', 'l')) 550 call assert_equal(0, stridx('', '')) 551 call assert_equal(0, stridx('hello', '')) 552 call assert_equal(-1, stridx('hello', 'L')) 553 call assert_equal(2, stridx('hello', 'l', -1)) 554 call assert_equal(2, stridx('hello', 'l', 0)) 555 call assert_equal(2, stridx('hello', 'l', 1)) 556 call assert_equal(3, stridx('hello', 'l', 3)) 557 call assert_equal(-1, stridx('hello', 'l', 4)) 558 call assert_equal(-1, stridx('hello', 'l', 10)) 559 call assert_equal(2, stridx('hello', 'll')) 560 call assert_equal(-1, stridx('hello', 'hello world')) 561endfunc 562 563func Test_strridx() 564 call assert_equal(-1, strridx('', 'l')) 565 call assert_equal(0, strridx('', '')) 566 call assert_equal(5, strridx('hello', '')) 567 call assert_equal(-1, strridx('hello', 'L')) 568 call assert_equal(3, strridx('hello', 'l')) 569 call assert_equal(3, strridx('hello', 'l', 10)) 570 call assert_equal(3, strridx('hello', 'l', 3)) 571 call assert_equal(2, strridx('hello', 'l', 2)) 572 call assert_equal(-1, strridx('hello', 'l', 1)) 573 call assert_equal(-1, strridx('hello', 'l', 0)) 574 call assert_equal(-1, strridx('hello', 'l', -1)) 575 call assert_equal(2, strridx('hello', 'll')) 576 call assert_equal(-1, strridx('hello', 'hello world')) 577endfunc 578 579func Test_match_func() 580 call assert_equal(4, match('testing', 'ing')) 581 call assert_equal(4, match('testing', 'ing', 2)) 582 call assert_equal(-1, match('testing', 'ing', 5)) 583 call assert_equal(-1, match('testing', 'ing', 8)) 584 call assert_equal(1, match(['vim', 'testing', 'execute'], 'ing')) 585 call assert_equal(-1, match(['vim', 'testing', 'execute'], 'img')) 586endfunc 587 588func Test_matchend() 589 call assert_equal(7, matchend('testing', 'ing')) 590 call assert_equal(7, matchend('testing', 'ing', 2)) 591 call assert_equal(-1, matchend('testing', 'ing', 5)) 592 call assert_equal(-1, matchend('testing', 'ing', 8)) 593 call assert_equal(match(['vim', 'testing', 'execute'], 'ing'), matchend(['vim', 'testing', 'execute'], 'ing')) 594 call assert_equal(match(['vim', 'testing', 'execute'], 'img'), matchend(['vim', 'testing', 'execute'], 'img')) 595endfunc 596 597func Test_matchlist() 598 call assert_equal(['acd', 'a', '', 'c', 'd', '', '', '', '', ''], matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)')) 599 call assert_equal(['d', '', '', '', 'd', '', '', '', '', ''], matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 2)) 600 call assert_equal([], matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 4)) 601endfunc 602 603func Test_matchstr() 604 call assert_equal('ing', matchstr('testing', 'ing')) 605 call assert_equal('ing', matchstr('testing', 'ing', 2)) 606 call assert_equal('', matchstr('testing', 'ing', 5)) 607 call assert_equal('', matchstr('testing', 'ing', 8)) 608 call assert_equal('testing', matchstr(['vim', 'testing', 'execute'], 'ing')) 609 call assert_equal('', matchstr(['vim', 'testing', 'execute'], 'img')) 610endfunc 611 612func Test_matchstrpos() 613 call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing')) 614 call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing', 2)) 615 call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 5)) 616 call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 8)) 617 call assert_equal(['ing', 1, 4, 7], matchstrpos(['vim', 'testing', 'execute'], 'ing')) 618 call assert_equal(['', -1, -1, -1], matchstrpos(['vim', 'testing', 'execute'], 'img')) 619endfunc 620 621func Test_nextnonblank_prevnonblank() 622 new 623insert 624This 625 626 627is 628 629a 630Test 631. 632 call assert_equal(0, nextnonblank(-1)) 633 call assert_equal(0, nextnonblank(0)) 634 call assert_equal(1, nextnonblank(1)) 635 call assert_equal(4, nextnonblank(2)) 636 call assert_equal(4, nextnonblank(3)) 637 call assert_equal(4, nextnonblank(4)) 638 call assert_equal(6, nextnonblank(5)) 639 call assert_equal(6, nextnonblank(6)) 640 call assert_equal(7, nextnonblank(7)) 641 call assert_equal(0, nextnonblank(8)) 642 643 call assert_equal(0, prevnonblank(-1)) 644 call assert_equal(0, prevnonblank(0)) 645 call assert_equal(1, prevnonblank(1)) 646 call assert_equal(1, prevnonblank(2)) 647 call assert_equal(1, prevnonblank(3)) 648 call assert_equal(4, prevnonblank(4)) 649 call assert_equal(4, prevnonblank(5)) 650 call assert_equal(6, prevnonblank(6)) 651 call assert_equal(7, prevnonblank(7)) 652 call assert_equal(0, prevnonblank(8)) 653 bw! 654endfunc 655 656func Test_byte2line_line2byte() 657 new 658 call setline(1, ['a', 'bc', 'd']) 659 660 set fileformat=unix 661 call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1], 662 \ map(range(-1, 8), 'byte2line(v:val)')) 663 call assert_equal([-1, -1, 1, 3, 6, 8, -1], 664 \ map(range(-1, 5), 'line2byte(v:val)')) 665 666 set fileformat=mac 667 call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1], 668 \ map(range(-1, 8), 'byte2line(v:val)')) 669 call assert_equal([-1, -1, 1, 3, 6, 8, -1], 670 \ map(range(-1, 5), 'line2byte(v:val)')) 671 672 set fileformat=dos 673 call assert_equal([-1, -1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, -1], 674 \ map(range(-1, 11), 'byte2line(v:val)')) 675 call assert_equal([-1, -1, 1, 4, 8, 11, -1], 676 \ map(range(-1, 5), 'line2byte(v:val)')) 677 678 set fileformat& 679 bw! 680endfunc 681 682func Test_count() 683 let l = ['a', 'a', 'A', 'b'] 684 call assert_equal(2, count(l, 'a')) 685 call assert_equal(1, count(l, 'A')) 686 call assert_equal(1, count(l, 'b')) 687 call assert_equal(0, count(l, 'B')) 688 689 call assert_equal(2, count(l, 'a', 0)) 690 call assert_equal(1, count(l, 'A', 0)) 691 call assert_equal(1, count(l, 'b', 0)) 692 call assert_equal(0, count(l, 'B', 0)) 693 694 call assert_equal(3, count(l, 'a', 1)) 695 call assert_equal(3, count(l, 'A', 1)) 696 call assert_equal(1, count(l, 'b', 1)) 697 call assert_equal(1, count(l, 'B', 1)) 698 call assert_equal(0, count(l, 'c', 1)) 699 700 call assert_equal(1, count(l, 'a', 0, 1)) 701 call assert_equal(2, count(l, 'a', 1, 1)) 702 call assert_fails('call count(l, "a", 0, 10)', 'E684:') 703 704 let d = {1: 'a', 2: 'a', 3: 'A', 4: 'b'} 705 call assert_equal(2, count(d, 'a')) 706 call assert_equal(1, count(d, 'A')) 707 call assert_equal(1, count(d, 'b')) 708 call assert_equal(0, count(d, 'B')) 709 710 call assert_equal(2, count(d, 'a', 0)) 711 call assert_equal(1, count(d, 'A', 0)) 712 call assert_equal(1, count(d, 'b', 0)) 713 call assert_equal(0, count(d, 'B', 0)) 714 715 call assert_equal(3, count(d, 'a', 1)) 716 call assert_equal(3, count(d, 'A', 1)) 717 call assert_equal(1, count(d, 'b', 1)) 718 call assert_equal(1, count(d, 'B', 1)) 719 call assert_equal(0, count(d, 'c', 1)) 720 721 call assert_fails('call count(d, "a", 0, 1)', 'E474:') 722 723 call assert_equal(0, count("foo", "bar")) 724 call assert_equal(1, count("foo", "oo")) 725 call assert_equal(2, count("foo", "o")) 726 call assert_equal(0, count("foo", "O")) 727 call assert_equal(2, count("foo", "O", 1)) 728 call assert_equal(2, count("fooooo", "oo")) 729 call assert_equal(0, count("foo", "")) 730endfunc 731 732func Test_changenr() 733 new Xchangenr 734 call assert_equal(0, changenr()) 735 norm ifoo 736 call assert_equal(1, changenr()) 737 set undolevels=10 738 norm Sbar 739 call assert_equal(2, changenr()) 740 undo 741 call assert_equal(1, changenr()) 742 redo 743 call assert_equal(2, changenr()) 744 bw! 745 set undolevels& 746endfunc 747 748func Test_filewritable() 749 new Xfilewritable 750 write! 751 call assert_equal(1, filewritable('Xfilewritable')) 752 753 call assert_notequal(0, setfperm('Xfilewritable', 'r--r-----')) 754 call assert_equal(0, filewritable('Xfilewritable')) 755 756 call assert_notequal(0, setfperm('Xfilewritable', 'rw-r-----')) 757 call assert_equal(1, filewritable('Xfilewritable')) 758 759 call assert_equal(0, filewritable('doesnotexist')) 760 761 call delete('Xfilewritable') 762 bw! 763endfunc 764 765func Test_hostname() 766 let hostname_vim = hostname() 767 if has('unix') 768 let hostname_system = systemlist('uname -n')[0] 769 call assert_equal(hostname_vim, hostname_system) 770 endif 771endfunc 772 773func Test_getpid() 774 " getpid() always returns the same value within a vim instance. 775 call assert_equal(getpid(), getpid()) 776 if has('unix') 777 call assert_equal(systemlist('echo $PPID')[0], string(getpid())) 778 endif 779endfunc 780 781func Test_hlexists() 782 call assert_equal(0, hlexists('does_not_exist')) 783 call assert_equal(0, hlexists('Number')) 784 call assert_equal(0, highlight_exists('does_not_exist')) 785 call assert_equal(0, highlight_exists('Number')) 786 syntax on 787 call assert_equal(0, hlexists('does_not_exist')) 788 call assert_equal(1, hlexists('Number')) 789 call assert_equal(0, highlight_exists('does_not_exist')) 790 call assert_equal(1, highlight_exists('Number')) 791 syntax off 792endfunc 793 794func Test_col() 795 new 796 call setline(1, 'abcdef') 797 norm gg4|mx6|mY2| 798 call assert_equal(2, col('.')) 799 call assert_equal(7, col('$')) 800 call assert_equal(4, col("'x")) 801 call assert_equal(6, col("'Y")) 802 call assert_equal(2, col([1, 2])) 803 call assert_equal(7, col([1, '$'])) 804 805 call assert_equal(0, col('')) 806 call assert_equal(0, col('x')) 807 call assert_equal(0, col([2, '$'])) 808 call assert_equal(0, col([1, 100])) 809 call assert_equal(0, col([1])) 810 bw! 811endfunc 812 813func Test_balloon_show() 814 if has('balloon_eval') 815 " This won't do anything but must not crash either. 816 call balloon_show('hi!') 817 endif 818endfunc 819 820func Test_setbufvar_options() 821 " This tests that aucmd_prepbuf() and aucmd_restbuf() properly restore the 822 " window layout. 823 call assert_equal(1, winnr('$')) 824 split dummy_preview 825 resize 2 826 set winfixheight winfixwidth 827 let prev_id = win_getid() 828 829 wincmd j 830 let wh = winheight('.') 831 let dummy_buf = bufnr('dummy_buf1', v:true) 832 call setbufvar(dummy_buf, '&buftype', 'nofile') 833 execute 'belowright vertical split #' . dummy_buf 834 call assert_equal(wh, winheight('.')) 835 let dum1_id = win_getid() 836 837 wincmd h 838 let wh = winheight('.') 839 let dummy_buf = bufnr('dummy_buf2', v:true) 840 call setbufvar(dummy_buf, '&buftype', 'nofile') 841 execute 'belowright vertical split #' . dummy_buf 842 call assert_equal(wh, winheight('.')) 843 844 bwipe! 845 call win_gotoid(prev_id) 846 bwipe! 847 call win_gotoid(dum1_id) 848 bwipe! 849endfunc 850 851func Test_redo_in_nested_functions() 852 nnoremap g. :set opfunc=Operator<CR>g@ 853 function Operator( type, ... ) 854 let @x = 'XXX' 855 execute 'normal! g`[' . (a:type ==# 'line' ? 'V' : 'v') . 'g`]' . '"xp' 856 endfunction 857 858 function! Apply() 859 5,6normal! . 860 endfunction 861 862 new 863 call setline(1, repeat(['some "quoted" text', 'more "quoted" text'], 3)) 864 1normal g.i" 865 call assert_equal('some "XXX" text', getline(1)) 866 3,4normal . 867 call assert_equal('some "XXX" text', getline(3)) 868 call assert_equal('more "XXX" text', getline(4)) 869 call Apply() 870 call assert_equal('some "XXX" text', getline(5)) 871 call assert_equal('more "XXX" text', getline(6)) 872 bwipe! 873 874 nunmap g. 875 delfunc Operator 876 delfunc Apply 877endfunc 878 879func Test_shellescape() 880 let save_shell = &shell 881 set shell=bash 882 call assert_equal("'text'", shellescape('text')) 883 call assert_equal("'te\"xt'", shellescape('te"xt')) 884 call assert_equal("'te'\\''xt'", shellescape("te'xt")) 885 886 call assert_equal("'te%xt'", shellescape("te%xt")) 887 call assert_equal("'te\\%xt'", shellescape("te%xt", 1)) 888 call assert_equal("'te#xt'", shellescape("te#xt")) 889 call assert_equal("'te\\#xt'", shellescape("te#xt", 1)) 890 call assert_equal("'te!xt'", shellescape("te!xt")) 891 call assert_equal("'te\\!xt'", shellescape("te!xt", 1)) 892 893 call assert_equal("'te\nxt'", shellescape("te\nxt")) 894 call assert_equal("'te\\\nxt'", shellescape("te\nxt", 1)) 895 set shell=tcsh 896 call assert_equal("'te\\!xt'", shellescape("te!xt")) 897 call assert_equal("'te\\\\!xt'", shellescape("te!xt", 1)) 898 call assert_equal("'te\\\nxt'", shellescape("te\nxt")) 899 call assert_equal("'te\\\\\nxt'", shellescape("te\nxt", 1)) 900 901 let &shell = save_shell 902endfunc 903 904func Test_trim() 905 call assert_equal("Testing", trim(" \t\r\r\x0BTesting \t\n\r\n\t\x0B\x0B")) 906 call assert_equal("Testing", trim(" \t \r\r\n\n\x0BTesting \t\n\r\n\t\x0B\x0B")) 907 call assert_equal("RESERVE", trim("xyz \twwRESERVEzyww \t\t", " wxyz\t")) 908 call assert_equal("wRE \tSERVEzyww", trim("wRE \tSERVEzyww")) 909 call assert_equal("abcd\t xxxx tail", trim(" \tabcd\t xxxx tail")) 910 call assert_equal("\tabcd\t xxxx tail", trim(" \tabcd\t xxxx tail", " ")) 911 call assert_equal(" \tabcd\t xxxx tail", trim(" \tabcd\t xxxx tail", "abx")) 912 call assert_equal("RESERVE", trim("你RESERVE好", "你好")) 913 call assert_equal("您R E SER V E早", trim("你好您R E SER V E早好你你", "你好")) 914 call assert_equal("你好您R E SER V E早好你你", trim(" \n\r\r 你好您R E SER V E早好你你 \t \x0B", )) 915 call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" 你好您R E SER V E早好你你 \t \x0B", " 你好")) 916 call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" tteesstttt你好您R E SER V E早好你你 \t \x0B ttestt", " 你好tes")) 917 call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" tteesstttt你好您R E SER V E早好你你 \t \x0B ttestt", " 你你你好好好tttsses")) 918 call assert_equal("留下", trim("这些些不要这些留下这些", "这些不要")) 919 call assert_equal("", trim("", "")) 920 call assert_equal("a", trim("a", "")) 921 call assert_equal("", trim("", "a")) 922 923 let chars = join(map(range(1, 0x20) + [0xa0], {n -> nr2char(n)}), '') 924 call assert_equal("x", trim(chars . "x" . chars)) 925endfunc 926 927" Test for reg_recording() and reg_executing() 928func Test_reg_executing_and_recording() 929 let s:reg_stat = '' 930 func s:save_reg_stat() 931 let s:reg_stat = reg_recording() . ':' . reg_executing() 932 return '' 933 endfunc 934 935 new 936 call s:save_reg_stat() 937 call assert_equal(':', s:reg_stat) 938 call feedkeys("qa\"=s:save_reg_stat()\<CR>pq", 'xt') 939 call assert_equal('a:', s:reg_stat) 940 call feedkeys("@a", 'xt') 941 call assert_equal(':a', s:reg_stat) 942 call feedkeys("qb@aq", 'xt') 943 call assert_equal('b:a', s:reg_stat) 944 call feedkeys("q\"\"=s:save_reg_stat()\<CR>pq", 'xt') 945 call assert_equal('":', s:reg_stat) 946 947 bwipe! 948 delfunc s:save_reg_stat 949 unlet s:reg_stat 950endfunc 951 952func Test_libcall_libcallnr() 953 if !has('libcall') 954 return 955 endif 956 957 if has('win32') 958 let libc = 'msvcrt.dll' 959 elseif has('mac') 960 let libc = 'libSystem.B.dylib' 961 else 962 " On Unix, libc.so can be in various places. 963 " Interestingly, using an empty string for the 1st argument of libcall 964 " allows to call functions from libc which is not documented. 965 let libc = '' 966 endif 967 968 if has('win32') 969 call assert_equal($USERPROFILE, libcall(libc, 'getenv', 'USERPROFILE')) 970 else 971 call assert_equal($HOME, libcall(libc, 'getenv', 'HOME')) 972 endif 973 974 " If function returns NULL, libcall() should return an empty string. 975 call assert_equal('', libcall(libc, 'getenv', 'X_ENV_DOES_NOT_EXIT')) 976 977 " Test libcallnr() with string and integer argument. 978 call assert_equal(4, libcallnr(libc, 'strlen', 'abcd')) 979 call assert_equal(char2nr('A'), libcallnr(libc, 'toupper', char2nr('a'))) 980 981 call assert_fails("call libcall(libc, 'Xdoesnotexist_', '')", 'E364:') 982 call assert_fails("call libcallnr(libc, 'Xdoesnotexist_', '')", 'E364:') 983 984 call assert_fails("call libcall('Xdoesnotexist_', 'getenv', 'HOME')", 'E364:') 985 call assert_fails("call libcallnr('Xdoesnotexist_', 'strlen', 'abcd')", 'E364:') 986endfunc 987