| 1 | # spec/oil-expr-compare |
| 2 | |
| 3 | #### Exact equality with === and !== |
| 4 | shopt -s oil:all |
| 5 | |
| 6 | if (3 === 3) { |
| 7 | echo 'ok' |
| 8 | } |
| 9 | if (3 === '3') { |
| 10 | echo 'FAIL' |
| 11 | } |
| 12 | |
| 13 | if (3 !== 3) { |
| 14 | echo 'FAIL' |
| 15 | } |
| 16 | if (3 !== '3') { |
| 17 | echo 'ok' |
| 18 | } |
| 19 | |
| 20 | # dicts |
| 21 | var d1 = {'a': 1, 'b': 2} |
| 22 | var d2 = {'a': 1, 'b': 2} |
| 23 | var d3 = {'a': 1, 'b': 3} |
| 24 | if (d1 === d2) { |
| 25 | echo 'ok' |
| 26 | } |
| 27 | if (d1 === d3) { |
| 28 | echo 'FAIL' |
| 29 | } |
| 30 | if (d1 !== d3) { |
| 31 | echo 'ok' |
| 32 | } |
| 33 | |
| 34 | ## STDOUT: |
| 35 | ok |
| 36 | ok |
| 37 | ok |
| 38 | ok |
| 39 | ## END |
| 40 | |
| 41 | #### Approximate equality of Str x {Str, Int, Bool} with ~== |
| 42 | shopt -s oil:all |
| 43 | |
| 44 | # Note: for now there's no !~== operator. Use: not (a ~== b) |
| 45 | |
| 46 | if (' foo ' ~== 'foo') { |
| 47 | echo Str-Str |
| 48 | } |
| 49 | if (' BAD ' ~== 'foo') { |
| 50 | echo FAIL |
| 51 | } |
| 52 | |
| 53 | if ('3 ' ~== 3) { |
| 54 | echo Str-Int |
| 55 | } |
| 56 | if ('4 ' ~== '3') { |
| 57 | echo FAIL |
| 58 | } |
| 59 | |
| 60 | if (' true ' ~== true) { |
| 61 | echo Str-Bool |
| 62 | } |
| 63 | if (' true ' ~== false) { |
| 64 | echo FAIL |
| 65 | } |
| 66 | |
| 67 | const matrix = [ |
| 68 | ' TRue ' ~== true, # case insentiive |
| 69 | ' FALse ' ~== false, |
| 70 | ] |
| 71 | |
| 72 | # = matrix |
| 73 | if (matrix === [true, true]) { |
| 74 | echo 'bool matrix' |
| 75 | } |
| 76 | |
| 77 | ## STDOUT: |
| 78 | Str-Str |
| 79 | Str-Int |
| 80 | Str-Bool |
| 81 | bool matrix |
| 82 | ## END |
| 83 | |
| 84 | #### Wrong Types with ~== |
| 85 | shopt -s oil:all |
| 86 | |
| 87 | # The LHS side should be a string |
| 88 | |
| 89 | echo one |
| 90 | if (['1'] ~== ['1']) { |
| 91 | echo bad |
| 92 | } |
| 93 | echo two |
| 94 | |
| 95 | if (3 ~== 3) { |
| 96 | echo bad |
| 97 | } |
| 98 | |
| 99 | ## status: 1 |
| 100 | ## STDOUT: |
| 101 | one |
| 102 | ## END |
| 103 | |
| 104 | |
| 105 | #### Equality of ~== with Float (deferred) |
| 106 | shopt -s oil:all |
| 107 | |
| 108 | if (42 ~== 42.0) { |
| 109 | echo int-float |
| 110 | } |
| 111 | if (42 ~== 43.0) { |
| 112 | echo FAIL |
| 113 | } |
| 114 | |
| 115 | if ('42' ~== 42.0) { |
| 116 | echo str-float |
| 117 | } |
| 118 | if ('42' ~== 43.0) { |
| 119 | echo FAIL |
| 120 | } |
| 121 | |
| 122 | if (42 ~== '42.0') { |
| 123 | echo int-str-float |
| 124 | } |
| 125 | if (42 ~== '43.0') { |
| 126 | echo FAIL |
| 127 | } |
| 128 | ## STDOUT: |
| 129 | ## END |
| 130 | |
| 131 | |
| 132 | #### Comparison of Int |
| 133 | shopt -s oil:upgrade |
| 134 | |
| 135 | if (1 < 2) { |
| 136 | echo '<' |
| 137 | } |
| 138 | if (2 <= 2) { |
| 139 | echo '<=' |
| 140 | } |
| 141 | if (5 > 4) { |
| 142 | echo '>' |
| 143 | } |
| 144 | if (5 >= 5) { |
| 145 | echo '>=' |
| 146 | } |
| 147 | |
| 148 | if (2 < 1) { |
| 149 | echo no |
| 150 | } |
| 151 | |
| 152 | ## STDOUT: |
| 153 | < |
| 154 | <= |
| 155 | > |
| 156 | >= |
| 157 | ## END |
| 158 | |
| 159 | #### Comparison of Str does conversion to Int |
| 160 | shopt -s oil:upgrade |
| 161 | |
| 162 | if ('2' < '11') { |
| 163 | echo '<' |
| 164 | } |
| 165 | if ('2' <= '2') { |
| 166 | echo '<=' |
| 167 | } |
| 168 | if ('11' > '2') { |
| 169 | echo '>' |
| 170 | } |
| 171 | if ('5' >= '5') { |
| 172 | echo '>=' |
| 173 | } |
| 174 | |
| 175 | if ('2' < '1') { |
| 176 | echo no |
| 177 | } |
| 178 | |
| 179 | ## STDOUT: |
| 180 | < |
| 181 | <= |
| 182 | > |
| 183 | >= |
| 184 | ## END |
| 185 | |
| 186 | |
| 187 | #### Mixed Type Comparison does conversion to Int |
| 188 | shopt -s oil:upgrade |
| 189 | |
| 190 | if (2 < '11') { |
| 191 | echo '<' |
| 192 | } |
| 193 | if (2 <= '2') { |
| 194 | echo '<=' |
| 195 | } |
| 196 | if (11 > '2') { |
| 197 | echo '>' |
| 198 | } |
| 199 | if (5 >= '5') { |
| 200 | echo '>=' |
| 201 | } |
| 202 | |
| 203 | if (2 < '1') { |
| 204 | echo no |
| 205 | } |
| 206 | |
| 207 | ## STDOUT: |
| 208 | < |
| 209 | <= |
| 210 | > |
| 211 | >= |
| 212 | ## END |
| 213 | |
| 214 | |
| 215 | #### Invalid String is an error |
| 216 | shopt -s oil:upgrade |
| 217 | |
| 218 | if ('3' < 'bar') { |
| 219 | echo no |
| 220 | } |
| 221 | echo 'should not get here' |
| 222 | |
| 223 | ## status: 3 |
| 224 | ## STDOUT: |
| 225 | ## END |
| 226 | |
| 227 | |
| 228 | #### Bool conversion -- explicit allowed, implicit not allowed |
| 229 | |
| 230 | shopt -s oil:upgrade |
| 231 | |
| 232 | if (Int(false) < Int(true)) { |
| 233 | echo '<' |
| 234 | } |
| 235 | |
| 236 | if (Int(false) <= Int(false) ) { |
| 237 | echo '<=' |
| 238 | } |
| 239 | |
| 240 | # JavaScript and Python both have this, but Oil prefers being explicit |
| 241 | |
| 242 | if (true < false) { |
| 243 | echo 'BAD' |
| 244 | } |
| 245 | echo 'should not get here' |
| 246 | |
| 247 | ## status: 3 |
| 248 | ## STDOUT: |
| 249 | < |
| 250 | <= |
| 251 | ## END |
| 252 | |
| 253 | |
| 254 | #### Chained Comparisons |
| 255 | shopt -s oil:upgrade |
| 256 | if (1 < 2 < 3) { |
| 257 | echo '123' |
| 258 | } |
| 259 | if (1 < 2 <= 2 <= 3 < 4) { |
| 260 | echo '123' |
| 261 | } |
| 262 | |
| 263 | if (1 < 2 < 2) { |
| 264 | echo '123' |
| 265 | } else { |
| 266 | echo 'no' |
| 267 | } |
| 268 | ## STDOUT: |
| 269 | 123 |
| 270 | 123 |
| 271 | no |
| 272 | ## END |
| 273 | |
| 274 | #### Tuple comparison is not allowed |
| 275 | |
| 276 | # TODO: |
| 277 | # - tuples aren't hashable, so I think they shouldn't be comparable |
| 278 | # - and probably should just be removed from the language. JS doesn't have |
| 279 | # them |
| 280 | # - I think records and destructuring would be better |
| 281 | |
| 282 | shopt -s oil:upgrade |
| 283 | |
| 284 | var t1 = 3, 0 |
| 285 | var t2 = 4, 0 |
| 286 | var t3 = 3, 1 |
| 287 | |
| 288 | if (t2 > t1) { echo yes1 } |
| 289 | if (t3 > t1) { echo yes2 } |
| 290 | if ( (0,0) > t1) { echo yes3 } |
| 291 | |
| 292 | # NOTE: ((0,0) causes problems -- it looks like a shell statement! |
| 293 | #if ( (0,0) > t1) { echo yes3 } |
| 294 | ## STDOUT: |
| 295 | yes1 |
| 296 | yes2 |
| 297 | ## END |
| 298 | |
| 299 | #### Collection membership |
| 300 | shopt -s oil:upgrade |
| 301 | |
| 302 | var l = [3, 17, 1, {'foo': 'bar'}, 'bloop'] |
| 303 | var d = {'a': 1, 'b': false, 'c': 'hmmm'} |
| 304 | |
| 305 | if (17 in l) { |
| 306 | echo Int-in-List |
| 307 | } |
| 308 | if (4 in l) { |
| 309 | echo FAIL |
| 310 | } |
| 311 | if ('bloop' in l) { |
| 312 | echo Str-in-List |
| 313 | } |
| 314 | if ({'foo': 'bar'} in l) { |
| 315 | echo Dict-in-List |
| 316 | } |
| 317 | if ({'foo': 'baz'} in l) { |
| 318 | echo FAIL |
| 319 | } |
| 320 | if ('a' in d) { |
| 321 | echo Str-in-Dict |
| 322 | } |
| 323 | if ('d' in d) { |
| 324 | echo FAIL |
| 325 | } |
| 326 | |
| 327 | ## STDOUT: |
| 328 | Int-in-List |
| 329 | Str-in-List |
| 330 | Dict-in-List |
| 331 | Str-in-Dict |
| 332 | ## END |