1" Test for :const 2 3func s:noop() 4endfunc 5 6func Test_define_var_with_lock() 7 const i = 1 8 const f = 1.1 9 const s = 'vim' 10 const F = funcref('s:noop') 11 const l = [1, 2, 3] 12 const d = {'foo': 10} 13 if has('channel') 14 const j = test_null_job() 15 const c = test_null_channel() 16 endif 17 const b = v:true 18 const n = v:null 19 const bl = 0zC0FFEE 20 const here =<< trim EOS 21 hello 22 EOS 23 24 call assert_true(exists('i')) 25 call assert_true(exists('f')) 26 call assert_true(exists('s')) 27 call assert_true(exists('F')) 28 call assert_true(exists('l')) 29 call assert_true(exists('d')) 30 if has('channel') 31 call assert_true(exists('j')) 32 call assert_true(exists('c')) 33 endif 34 call assert_true(exists('b')) 35 call assert_true(exists('n')) 36 call assert_true(exists('bl')) 37 call assert_true(exists('here')) 38 39 call assert_fails('let i = 1', 'E741:') 40 call assert_fails('let f = 1.1', 'E741:') 41 call assert_fails('let s = "vim"', 'E741:') 42 call assert_fails('let F = funcref("s:noop")', 'E741:') 43 call assert_fails('let l = [1, 2, 3]', 'E741:') 44 call assert_fails('call filter(l, "v:val % 2 == 0")', 'E741:') 45 call assert_fails('let d = {"foo": 10}', 'E741:') 46 if has('channel') 47 call assert_fails('let j = test_null_job()', 'E741:') 48 call assert_fails('let c = test_null_channel()', 'E741:') 49 endif 50 call assert_fails('let b = v:true', 'E741:') 51 call assert_fails('let n = v:null', 'E741:') 52 call assert_fails('let bl = 0zC0FFEE', 'E741:') 53 call assert_fails('let here = "xxx"', 'E741:') 54 55 " Unlet 56 unlet i 57 unlet f 58 unlet s 59 unlet F 60 unlet l 61 unlet d 62 if has('channel') 63 unlet j 64 unlet c 65 endif 66 unlet b 67 unlet n 68 unlet bl 69 unlet here 70endfunc 71 72func Test_define_l_var_with_lock() 73 " With l: prefix 74 const l:i = 1 75 const l:f = 1.1 76 const l:s = 'vim' 77 const l:F = funcref('s:noop') 78 const l:l = [1, 2, 3] 79 const l:d = {'foo': 10} 80 if has('channel') 81 const l:j = test_null_job() 82 const l:c = test_null_channel() 83 endif 84 const l:b = v:true 85 const l:n = v:null 86 const l:bl = 0zC0FFEE 87 const l:here =<< trim EOS 88 hello 89 EOS 90 91 call assert_fails('let l:i = 1', 'E741:') 92 call assert_fails('let l:f = 1.1', 'E741:') 93 call assert_fails('let l:s = "vim"', 'E741:') 94 call assert_fails('let l:F = funcref("s:noop")', 'E741:') 95 call assert_fails('let l:l = [1, 2, 3]', 'E741:') 96 call assert_fails('let l:d = {"foo": 10}', 'E741:') 97 if has('channel') 98 call assert_fails('let l:j = test_null_job()', 'E741:') 99 call assert_fails('let l:c = test_null_channel()', 'E741:') 100 endif 101 call assert_fails('let l:b = v:true', 'E741:') 102 call assert_fails('let l:n = v:null', 'E741:') 103 call assert_fails('let l:bl = 0zC0FFEE', 'E741:') 104 call assert_fails('let l:here = "xxx"', 'E741:') 105 106 " Unlet 107 unlet l:i 108 unlet l:f 109 unlet l:s 110 unlet l:F 111 unlet l:l 112 unlet l:d 113 if has('channel') 114 unlet l:j 115 unlet l:c 116 endif 117 unlet l:b 118 unlet l:n 119 unlet l:bl 120 unlet l:here 121endfunc 122 123func Test_define_script_var_with_lock() 124 const s:x = 0 125 call assert_fails('let s:x = 1', 'E741:') 126 unlet s:x 127endfunc 128 129func Test_destructuring_with_lock() 130 const [a, b, c] = [1, 1.1, 'vim'] 131 132 call assert_fails('let a = 1', 'E741:') 133 call assert_fails('let b = 1.1', 'E741:') 134 call assert_fails('let c = "vim"', 'E741:') 135 136 const [d; e] = [1, 1.1, 'vim'] 137 call assert_fails('let d = 1', 'E741:') 138 call assert_fails('let e = [2.2, "a"]', 'E741:') 139endfunc 140 141func Test_cannot_modify_existing_variable() 142 let i = 1 143 let f = 1.1 144 let s = 'vim' 145 let F = funcref('s:noop') 146 let l = [1, 2, 3] 147 let d = {'foo': 10} 148 if has('channel') 149 let j = test_null_job() 150 let c = test_null_channel() 151 endif 152 let b = v:true 153 let n = v:null 154 let bl = 0zC0FFEE 155 156 call assert_fails('const i = 1', 'E995:') 157 call assert_fails('const f = 1.1', 'E995:') 158 call assert_fails('const s = "vim"', 'E995:') 159 call assert_fails('const F = funcref("s:noop")', 'E995:') 160 call assert_fails('const l = [1, 2, 3]', 'E995:') 161 call assert_fails('const d = {"foo": 10}', 'E995:') 162 if has('channel') 163 call assert_fails('const j = test_null_job()', 'E995:') 164 call assert_fails('const c = test_null_channel()', 'E995:') 165 endif 166 call assert_fails('const b = v:true', 'E995:') 167 call assert_fails('const n = v:null', 'E995:') 168 call assert_fails('const bl = 0zC0FFEE', 'E995:') 169 call assert_fails('const [i, f, s] = [1, 1.1, "vim"]', 'E995:') 170 171 const i2 = 1 172 const f2 = 1.1 173 const s2 = 'vim' 174 const F2 = funcref('s:noop') 175 const l2 = [1, 2, 3] 176 const d2 = {'foo': 10} 177 if has('channel') 178 const j2 = test_null_job() 179 const c2 = test_null_channel() 180 endif 181 const b2 = v:true 182 const n2 = v:null 183 const bl2 = 0zC0FFEE 184 185 call assert_fails('const i2 = 1', 'E995:') 186 call assert_fails('const f2 = 1.1', 'E995:') 187 call assert_fails('const s2 = "vim"', 'E995:') 188 call assert_fails('const F2 = funcref("s:noop")', 'E995:') 189 call assert_fails('const l2 = [1, 2, 3]', 'E995:') 190 call assert_fails('const d2 = {"foo": 10}', 'E995:') 191 if has('channel') 192 call assert_fails('const j2 = test_null_job()', 'E995:') 193 call assert_fails('const c2 = test_null_channel()', 'E995:') 194 endif 195 call assert_fails('const b2 = v:true', 'E995:') 196 call assert_fails('const n2 = v:null', 'E995:') 197 call assert_fails('const bl2 = 0zC0FFEE', 'E995:') 198 call assert_fails('const [i2, f2, s2] = [1, 1.1, "vim"]', 'E995:') 199endfunc 200 201func Test_const_with_condition() 202 const x = 0 203 if 0 | const x = 1 | endif 204 call assert_equal(0, x) 205endfunc 206 207func Test_lockvar() 208 let x = 'hello' 209 lockvar x 210 call assert_fails('let x = "there"', 'E741:') 211 if 0 | unlockvar x | endif 212 call assert_fails('let x = "there"', 'E741:') 213 unlockvar x 214 let x = 'there' 215 216 if 0 | lockvar x | endif 217 let x = 'again' 218 219 let val = [1, 2, 3] 220 lockvar 0 val 221 let val[0] = 9 222 call assert_equal([9, 2, 3], val) 223 call add(val, 4) 224 call assert_equal([9, 2, 3, 4], val) 225 call assert_fails('let val = [4, 5, 6]', 'E1122:') 226 227 let l =<< trim END 228 let d = {} 229 lockvar d 230 func d.fn() 231 return 1 232 endfunc 233 END 234 let @a = l->join("\n") 235 call assert_fails('exe @a', 'E741:') 236 237 let l =<< trim END 238 let d = {} 239 let d.fn = function("min") 240 lockvar d.fn 241 func! d.fn() 242 return 1 243 endfunc 244 END 245 let @a = l->join("\n") 246 call assert_fails('exe @a', 'E741:') 247endfunc 248 249func Test_const_with_index_access() 250 let l = [1, 2, 3] 251 call assert_fails('const l[0] = 4', 'E996:') 252 call assert_fails('const l[0:1] = [1, 2]', 'E996:') 253 254 let d = {'aaa': 0} 255 call assert_fails("const d['aaa'] = 4", 'E996:') 256 call assert_fails("const d.aaa = 4", 'E996:') 257endfunc 258 259func Test_const_with_compound_assign() 260 let i = 0 261 call assert_fails('const i += 4', 'E995:') 262 call assert_fails('const i -= 4', 'E995:') 263 call assert_fails('const i *= 4', 'E995:') 264 call assert_fails('const i /= 4', 'E995:') 265 call assert_fails('const i %= 4', 'E995:') 266 267 let s = 'a' 268 call assert_fails('const s .= "b"', 'E995:') 269 270 let [a, b, c] = [1, 2, 3] 271 call assert_fails('const [a, b, c] += [4, 5, 6]', 'E995:') 272 273 let [d; e] = [1, 2, 3] 274 call assert_fails('const [d; e] += [4, 5, 6]', 'E995:') 275endfunc 276 277func Test_const_with_special_variables() 278 call assert_fails('const $FOO = "hello"', 'E996:') 279 call assert_fails('const @a = "hello"', 'E996:') 280 call assert_fails('const &filetype = "vim"', 'E996:') 281 call assert_fails('const &l:filetype = "vim"', 'E996:') 282 call assert_fails('const &g:encoding = "utf-8"', 'E996:') 283 284 call assert_fails('const [a, $CONST_FOO] = [369, "abc"]', 'E996:') 285 call assert_equal(369, a) 286 call assert_equal(v:null, getenv("CONST_FOO")) 287 288 call assert_fails('const [b; $CONST_FOO] = [246, 2, "abc"]', 'E996:') 289 call assert_equal(246, b) 290 call assert_equal(v:null, getenv("CONST_FOO")) 291endfunc 292 293func Test_const_with_eval_name() 294 let s = 'foo' 295 296 " eval name with :const should work 297 const abc_{s} = 1 298 const {s}{s} = 1 299 300 let s2 = 'abc_foo' 301 call assert_fails('const {s2} = "bar"', 'E995:') 302endfunc 303 304func Test_lock_depth_is_2() 305 " Modify list - error when changing item or adding/removing items 306 const l = [1, 2, [3, 4]] 307 call assert_fails('let l[0] = 42', 'E741:') 308 call assert_fails('let l[2][0] = 42', 'E741:') 309 call assert_fails('call add(l, 4)', 'E741:') 310 call assert_fails('unlet l[1]', 'E741:') 311 312 " Modify blob - error when changing 313 const b = 0z001122 314 call assert_fails('let b[0] = 42', 'E741:') 315 316 " Modify dict - error when changing item or adding/removing items 317 const d = {'foo': 10} 318 call assert_fails("let d['foo'] = 'hello'", 'E741:') 319 call assert_fails("let d.foo = 'hello'", 'E741:') 320 call assert_fails("let d['bar'] = 'hello'", 'E741:') 321 call assert_fails("unlet d['foo']", 'E741:') 322 323 " Modifying list or dict item contents is OK. 324 let lvar = ['a', 'b'] 325 let bvar = 0z1122 326 const l2 = [0, lvar, bvar] 327 let l2[1][0] = 'c' 328 let l2[2][1] = 0x33 329 call assert_equal([0, ['c', 'b'], 0z1133], l2) 330 331 const d2 = #{a: 0, b: lvar, c: 4} 332 let d2.b[1] = 'd' 333endfunc 334 335" vim: shiftwidth=2 sts=2 expandtab 336