Math.uts 17.3 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
import { describe, test, expect, expectNumber, Result } from './tests.uts'

export function testMath() : Result {
  return describe("Math", () => {
    test('E', () => {
      // #TEST Math.E
      function getNapier() : number {
        return Math.E
      }
      console.log(getNapier());
      // expected output: 2.718281828459045
      // #END

      expect(getNapier()).toEqual(2.718281828459045);
    })
    test('LN10', () => {
      // #TEST Math.LN10
      function getNatLog10() : number {
        return Math.LN10;
      }
      console.log(getNatLog10());
      // expected output: 2.302585092994046
      // #END

      expect(getNatLog10()).toEqual(2.302585092994046);
    })
    test('LN2', () => {
      // #TEST Math.LN2
      function getNatLog2() : number {
        return Math.LN2;
      }
      console.log(getNatLog2());
      // expected output: 0.6931471805599453
      // #END
      expect(getNatLog2()).toEqual(0.6931471805599453);
    })
    test('LOG10E', () => {
      // #TEST Math.LOG10E
      function getLog10e() : number {
        return Math.LOG10E;
      }
      console.log(getLog10e());
      // expected output: 0.4342944819032518
      // #END
      expect(getLog10e()).toEqual(0.4342944819032518);
    })
    test('LOG2E', () => {
      // #TEST Math.LOG2E
      function getLog2e() : number {
        return Math.LOG2E;
      }
      console.log(getLog2e());
      // expected output: 1.4426950408889634
      // #END
      expect(getLog2e()).toEqual(1.4426950408889634);
    })
    test('PI', () => {
      // #TEST Math.PI
      function calculateCircumference(radius : number) : number {
        return 2 * Math.PI * radius;
      }
      console.log(calculateCircumference(1));
      // expected output: 6.283185307179586
      // #END
      expect(calculateCircumference(1)).toEqual(6.283185307179586);
    })

    test('SQRT1_2', () => {
      // #TEST Math.SQRT1_2
      function getRoot1_2() : number {
        return Math.SQRT1_2;
      }
      console.log(getRoot1_2());
      // expected output: 0.7071067811865476
      // #END
      expect(getRoot1_2()).toEqual(0.7071067811865476);
    })

    test('SQRT2', () => {
      // #TEST Math.SQRT2
      function getRoot2() : number {
        return Math.SQRT2;
      }
      console.log(getRoot2());
      // expected output: 1.4142135623730951
      // #END
      expect(getRoot2()).toEqual(1.4142135623730951);
    })


    test('abs', () => {
      // #TEST Math.abs
      function difference(a : number, b : number) : number {
        return Math.abs(a - b);
      }

      console.log(difference(3, 5));
      // expected output: 2

      console.log(difference(5, 3));
      // expected output: 2

      console.log(difference(1.23456, 7.89012));
      // expected output: 6.6555599999999995
      // #END
      expect(difference(3, 5)).toEqual(2);
      expect(difference(5, 3)).toEqual(2);
      expect(difference(1.23456, 7.89012)).toEqual(6.6555599999999995);
    })

    test('acos', () => {
      // #TEST Math.acos
      console.log(Math.acos(-1));
      // expected output: 3.141592653589793
115
      // #ifdef APP-ANDROID
116
      console.log(Math.acos(NaN));
117
      // #endif
118 119 120 121 122 123 124 125 126 127 128
      // expected output: NaN

      console.log(Math.acos(0));
      // expected output: 1.5707963267948966

      console.log(Math.acos(1));
      // expected output: 0
      // #END
      // 解决精度问题
      expect(Math.acos(-1)).toEqual(3.141592653589793);
      expect(Math.acos(0)).toEqual(1.5707963267948966);
M
mahaifeng 已提交
129
      expect(Math.acos(1)).toEqual(0.0);
130 131 132 133 134 135
    })

    test('acosh', () => {
      // #TEST Math.acosh
      console.log(Math.acosh(1));
      // expected output: 0
136
      // #ifdef APP-ANDROID
137
      console.log(Math.acosh(NaN));
138
      // #endif
139 140 141 142 143 144 145 146 147
      // expected output: NaN

      console.log(Math.acosh(2));
      // expected output: 1.3169578969248166

      console.log(Math.acosh(2.5));
      // expected output: 1.566799236972411
      // #END
      // 解决精度问题
M
mahaifeng 已提交
148
      expect(Math.acosh(1)).toEqual(0.0);
149 150 151 152 153 154
      expectNumber(Math.acosh(2)).toEqualDouble(1.3169578969248166);
      expectNumber(Math.acosh(2.5)).toEqualDouble(1.566799236972411);
    })

    test('asin', () => {
      // #TEST Math.asin
155
      // #ifdef APP-ANDROID
156
      console.log(Math.asin(NaN));
157
      // #endif
158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
      // expected output: NaN

      console.log(Math.asin(-1));
      // expected output: -1.5707963267948966

      console.log(Math.asin(0));
      // expected output: 0

      // console.log(Math.asin(0.5));
      // expected output: 0.5235987755982989

      console.log(Math.asin(1));
      // expected output: 1.5707963267948966
      // #END
      // 解决精度问题
      expect(Math.asin(-1)).toEqual(-1.5707963267948966);
      // expect(Math.asin(0.5)).toEqual(0.5235987755982989);
M
mahaifeng 已提交
175
      expect(Math.asin(0)).toEqual(0.0);
176 177 178 179 180
      expect(Math.asin(1)).toEqual(1.5707963267948966);
    })

    test('asinh', () => {
      // #TEST Math.asinh
181
      // #ifdef APP-ANDROID
182
      console.log(Math.asinh(NaN));
183
      // #endif
184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199
      // expected output: NaN

      console.log(Math.asinh(1));
      // expected output: 0.881373587019543

      console.log(Math.asinh(0));
      // expected output: 0

      console.log(Math.asinh(-1));
      // expected output: -0.881373587019543

      console.log(Math.asinh(2));
      // expected output: 1.4436354751788103
      // #END
      // 解决精度问题
      expectNumber(Math.asinh(1)).toEqualDouble(0.881373587019543);
M
mahaifeng 已提交
200
      expectNumber(Math.asinh(0)).toEqualDouble(0.0);
201 202 203 204 205 206
      expectNumber(Math.asinh(-1)).toEqualDouble(-0.881373587019543);
      expectNumber(Math.asinh(2)).toEqualDouble(1.4436354751788103);
    })

    test('atan', () => {
      // #TEST Math.atan
207
      // #ifdef APP-ANDROID
208
      console.log(Math.atan(NaN));
209
      // #endif
210 211 212 213 214 215 216 217 218 219
      // expected output: NaN

      console.log(Math.atan(1));
      // expected output: 0.7853981633974483

      console.log(Math.atan(0));
      // expected output: 0
      // #END
      // 解决精度问题
      expect(Math.atan(1)).toEqual(0.7853981633974483);
M
mahaifeng 已提交
220
      expect(Math.atan(0)).toEqual(0.0);
221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236
    })

    test('atan2', () => {
      // #TEST Math.atan2
      console.log(Math.atan2(90, 15));
      // expected output: 1.4056476493802699

      console.log(Math.atan2(15, 90));
      // expected output: 0.16514867741462683
      // #END
      expect(Math.atan2(90, 15)).toEqual(1.4056476493802699);
      expectNumber(Math.atan2(15, 90)).toEqualDouble(0.16514867741462683);
    })

    test('atanh', () => {
      // #TEST Math.atanh
237
      // #ifdef APP-ANDROID
238
      console.log(Math.atanh(NaN));
239
      // #endif
240 241 242 243 244 245
      // expected output: NaN

      console.log(Math.atanh(0));
      // expected output: 0
      // #END
      // 解决精度问题
M
mahaifeng 已提交
246
      expect(Math.atanh(0)).toEqual(0.0);
247 248 249 250 251 252 253 254 255 256 257 258 259
      // expect(Math.atanh(0.5)).toEqual(0.5493061443340548);
    })

    test('cbrt', () => {
      // expect(Math.cbrt(-1)).toEqual(-1);
      // expect(Math.cbrt(0)).toEqual(0);
      // expect(Math.cbrt(1)).toEqual(1);
      // expect(Math.cbrt(2)).toEqual(1.2599210498948732);
    })
    test('ceil', () => {
      // #TEST Math.ceil
      console.log(Math.ceil(0.95));
      // expected output: 1
260
      // #ifdef APP-ANDROID
261
      console.log(Math.ceil(NaN));
262
      // #endif
263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389
      // expected output: NaN

      console.log(Math.ceil(4));
      // expected output: 4

      console.log(Math.ceil(7.004));
      // expected output: 8

      console.log(Math.ceil(-7.004));
      // expected output: -7

      console.log(Math.ceil(37110233000.223));
      // expected output: 37110233001

      console.log(Math.ceil(-37110233000.223));
      // expected output: -37110233000
      // #END
      expect(Math.ceil(0.95)).toEqual(1);
      expect(Math.ceil(4)).toEqual(4);
      expect(Math.ceil(7.004)).toEqual(8);
      expect(Math.ceil(-7.004)).toEqual(-7);
      expect(Math.ceil(37110233000.223)).toEqual(37110233001);
      expect(Math.ceil(-37110233000.223)).toEqual(-37110233000);
    })

    test('clz32', () => {
      // #TEST Math.clz32
      console.log(Math.clz32(1000));
      // expected output: 22
      // #END

      expect(Math.clz32(NaN)).toEqual(32);
      expect(Math.clz32(1)).toEqual(31);
      expect(Math.clz32(1000)).toEqual(22);
      expect(Math.clz32(0)).toEqual(32);
      expect(Math.clz32(3.5)).toEqual(30);
    })
    test('cos', () => {
      // #TEST Math.cos
      console.log(Math.cos(0));
      // expected output: 1.0

      console.log(Math.cos(1));
      // expected output: 0.5403023058681398
      // #END
      // 解决精度问题
      expect(Math.cos(0)).toEqual(1.0);
      expect(Math.cos(1)).toEqual(0.5403023058681398);
    })

    test('cosh', () => {
      // #TEST Math.cosh
      console.log(Math.cosh(0));
      // expected output: 1.0

      console.log(Math.cosh(1));
      // expected output: 1.5430806348152437

      console.log(Math.cosh(-1));
      // expected output: 1.5430806348152437
      // #END
      // 解决精度问题
      expect(Math.cosh(0)).toEqual(1.0);
      expectNumber(Math.cosh(1)).toEqualDouble(1.5430806348152437);
      expectNumber(Math.cosh(-1)).toEqualDouble(1.5430806348152437);
    })

    test('exp', () => {
      // #TEST Math.exp
      console.log(Math.exp(-1));
      // expected output: 0.36787944117144233

      console.log(Math.exp(0));
      // expected output: 1.0

      console.log(Math.exp(1));
      // expected output: 2.718281828459045
      // #END
      // 解决精度问题
      expectNumber(Math.exp(-1)).toEqualDouble(0.36787944117144233);
      expect(Math.exp(0)).toEqual(1.0);
      expectNumber(Math.exp(1)).toEqualDouble(2.718281828459045);
    })

    test('expm1', () => {
      // #TEST Math.expm1
      console.log(Math.expm1(1));
      // expected output: 1.718281828459045

      console.log(Math.expm1(-38));
      // expected output: -1
      // #END
      expectNumber(Math.expm1(1)).toEqualDouble(1.718281828459045);
      expectNumber(Math.expm1(-38)).toEqualDouble(-1);
    })

    test('floor', () => {
      // #TEST Math.floor
      console.log(Math.floor(5.95));
      // expected output: 5

      console.log(Math.floor(5.05));
      // expected output: 5

      console.log(Math.floor(5));
      // expected output: 5

      console.log(Math.floor(-5.05));
      // expected output: -6

      console.log(Math.floor(37110233000.223));
      // expected output: 37110233000

      console.log(Math.floor(-37110233000.223));
      // expected output: -37110233001
      // #END
      // 解决精度问题
      expect(Math.floor(5.95)).toEqual(5);
      expect(Math.floor(5.05)).toEqual(5);
      expect(Math.floor(5)).toEqual(5);
      expect(Math.floor(-5.05)).toEqual(-6);
      expect(Math.floor(37110233000.223)).toEqual(37110233000);
      expect(Math.floor(-37110233000.223)).toEqual(-37110233001);
    })

    test('fround', () => {
      // #TEST Math.fround
390
      // #ifdef APP-ANDROID
391
      console.log(Math.fround(NaN));
392
      // #endif
393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633
      // expected output: NaN

      console.log(Math.fround(1.5));
      // expected output: 1.5

      console.log(Math.fround(1.337));
      // expected output: 1.3370000123977661
      // #END
      // 解决精度问题
      expect(Math.fround(NaN)).toEqual(NaN);
      expect(Math.fround(1.5)).toEqual(1.5);
      expectNumber(Math.fround(1.337)).toEqualDouble(1.3370000123977661);
    })

    // test('hypot', () => {
    // expect(Math.hypot(3, 4)).toEqual(5);
    // expect(Math.hypot(5, 12)).toEqual(13);
    // expect(Math.hypot(3, 4, 5)).toEqual(7.0710678118654755);
    // expect(Math.hypot(-5)).toEqual(5);
    // })
    // test('imul', () => {
    //     expect(Math.imul(3, 4)).toEqual(12);
    //     expect(Math.imul(-5, 12)).toEqual(-60);
    // })
    test('log', () => {
      // #TEST Math.log
      console.log(Math.log(1));
      // expected output: 0.0

      console.log(Math.log(10));
      // expected output: 2.302585092994046
      // #END
      // 解决精度问题
      expect(Math.log(1)).toEqual(0.0);
      expect(Math.log(10)).toEqual(2.302585092994046);
    })

    test('log10', () => {
      // #TEST Math.log10
      console.log(Math.log10(10));
      // expected output: 1

      console.log(Math.log10(100));
      // expected output: 2

      console.log(Math.log10(1));
      // expected output: 0
      // #END

      // 解决精度问题
      expect(Math.log10(10)).toEqual(1.0);
      expect(Math.log10(100)).toEqual(2.0);
      expect(Math.log10(1)).toEqual(0.0);
    })
    test('log1p', () => {
      // #TEST Math.log1p
      console.log(Math.log1p(Math.E - 1));
      // expected output: 1.0

      console.log(Math.log1p(0));
      // expected output: 0.0
      // 解决精度问题
      // #END
      expect(Math.log1p(Math.E - 1)).toEqual(1.0);
      expect(Math.log1p(0)).toEqual(0.0);
    })

    test('log2', () => {
      // #TEST Math.log2
      console.log(Math.log2(2));
      // expected output: 1.0

      console.log(Math.log2(1024));
      // expected output: 10.0

      console.log(Math.log2(1));
      // expected output: 0.0
      // 解决精度问题
      // #END
      expect(Math.log2(2)).toEqual(1.0);
      expect(Math.log2(1024)).toEqual(10.0);
      expect(Math.log2(1)).toEqual(0.0);
    })

    test('max', () => {
      // #TEST Math.max
      console.log(Math.max(1, 3, 2));
      // expected output: 3

      console.log(Math.max(-1, -3, -2));
      // expected output: -1
      // #END
      expect(Math.max(1, 3, 2)).toEqual(3);
      expect(Math.max(-1, -3, -2)).toEqual(-1);
    })

    test('min', () => {
      // #TEST Math.min
      console.log(Math.min(2, 3, 1));
      // expected output: 1

      console.log(Math.min(-2, -3, -1));
      // expected output: -3
      // #END
      expect(Math.min(2, 3, 1)).toEqual(1);
      expect(Math.min(-2, -3, -1)).toEqual(-3);
    })

    test('pow', () => {
      // #TEST Math.pow
      console.log(Math.pow(7, 3));
      // expected output: 343

      console.log(Math.pow(4, 0.5));
      // expected output: 2
      // #END
      expectNumber(Math.pow(7, 3)).toEqualDouble(343);
      expectNumber(Math.pow(4, 0.5)).toEqualDouble(2);
    })

    test('random', () => {
      // #TEST Math.random
      function getRandomInt(max : number) : number {
        return Math.floor(Math.random() * max);
      }

      console.log(getRandomInt(getRandomInt(1)));
      // expected output: 0
      // #END
      expect(getRandomInt(getRandomInt(1))).toEqual(0);
    })

    test('sign', () => {
      // #TEST Math.sign
      console.log(Math.sign(3));
      // expected output: 1

      console.log(Math.sign(-3));
      // expected output: -1

      console.log(Math.sign(0));
      // expected output: 0
      // #END
      expect(Math.sign(3)).toEqual(1);
      expect(Math.sign(-3)).toEqual(-1);
      expect(Math.sign(0)).toEqual(0);
    })
    test('sin', () => {
      // #TEST Math.sin
      console.log(Math.sin(0));
      // expected output: 0.0

      console.log(Math.sin(1));
      // expected output: 0.8414709848078965
      // #END
      // 解决精度问题
      expect(Math.sin(0)).toEqual(0.0);
      expect(Math.sin(1)).toEqual(0.8414709848078965);
    })

    test('sinh', () => {
      // #TEST Math.sinh
      console.log(Math.sinh(0));
      // expected output: 0.0

      console.log(Math.sinh(1));
      // expected output: 1.1752011936438014
      // #END
      // 解决精度问题
      expect(Math.sinh(0)).toEqual(0.0);
      expect(Math.sinh(1)).toEqual(1.1752011936438014);
    })

    test('sqrt', () => {
      // #TEST Math.sqrt
      function calcHypotenuse(a : number, b : number) : number {
        return (Math.sqrt((a * a) + (b * b)));
      }
      console.log(calcHypotenuse(3, 4));
      // expected output: 5.0

      console.log(calcHypotenuse(5, 12));
      // expected output: 13.0

      console.log(calcHypotenuse(0, 0));
      // expected output: 0.0
      // #END
      // 解决精度问题
      expect(calcHypotenuse(3, 4)).toEqual(5.0);
      expect(calcHypotenuse(5, 12)).toEqual(13.0);
      expect(calcHypotenuse(0, 0)).toEqual(0.0);
    })

    test('tan', () => {
      // #TEST Math.tan
      console.log(Math.tan(0));
      // expected output: 0.0

      // console.log(Math.tan(1));
      // expected output: 1.5574077246549023
      // #END
      // 解决精度问题
      expect(Math.tan(0)).toEqual(0.0);
      // expect(Math.tan(1)).toEqual(1.5574077246549023);
    })

    test('tanh', () => {
      // #TEST Math.tanh
      console.log(Math.tanh(-1));
      // expected output: -0.7615941559557649

      console.log(Math.tanh(0));
      // expected output: 0.0

      console.log(Math.tanh(1));
      // expected output: 0.7615941559557649
      // #END
      // 解决精度问题
      expect(Math.tanh(-1)).toEqual(-0.7615941559557649);
      expect(Math.tanh(0)).toEqual(0.0);
      expect(Math.tanh(1)).toEqual(0.7615941559557649);
    })

    test('trunc', () => {
      // #TEST Math.trunc
      console.log(Math.trunc(13.37));
      // expected output: 13

      console.log(Math.trunc(42.84));
      // expected output: 42

      console.log(Math.trunc(0.123));
      // expected output: 0
      // #END
      // 解决精度问题
      expect(Math.trunc(13.37)).toEqual(13);
      expect(Math.trunc(42.84)).toEqual(42);
      expect(Math.trunc(0.123)).toEqual(0);
    })

    test('round', () => {
M
mahaifeng 已提交
634
     // #TEST Math.round
635 636 637 638 639
      expect(Math.round(0.9)).toEqual(1);
      expect(Math.round(5.95)).toEqual(6);
      expect(Math.round(-5.05)).toEqual(-5);
      expect(Math.round(37110233000.223)).toEqual(37110233000);
      expect(Math.round(-37110233000.223)).toEqual(-37110233000);
M
mahaifeng 已提交
640
      // #END
641 642 643 644
    })

  })
}