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LibJS: Simplify Math-constants.js test

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By borrowing an "expect close" function from LibM/TestMath.cpp, we can
make this a lot simpler. Also the parser now understands decimals!
This commit is contained in:
Linus Groh 2020-04-05 14:35:45 +01:00 • committed by Andreas Kling
parent 0d7a1c3157
commit 30ba2c7cec
Notes: sideshowbarker 2024-07-19 07:53:21 +09:00
1 changed files with 10 additions and 19 deletions
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29
Libraries/LibJS/Tests/Math-constants.js
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@ -1,24 +1,15 @@
// FIXME: The parser seems to have issues with decimals,
// so we multiply everything and compare with whole numbers.
// I.e. 1233 < X * 1000 < 1235 instead of 1.233 < X < 1.235
// Borrowed from LibM/TestMath.cpp :^)
function expectClose(a, b) { assert(Math.abs(a - b) < 0.000001); }
try {
// approx. 2.718
assert(2717 < Math.E * 1000 < 2719);
// approx. 0.693MATH
assert(692 < Math.LN2 * 1000 < 694);
// approx. 2.303
assert(2302 < Math.LN10 * 1000 < 2304);
// approx. 1.443
assert(1442 < Math.LOG2E * 1000 < 1444);
// approx. 0.434
assert(433 < Math.LOG10E * 1000 < 435);
// approx. 3.1415
assert(31414 < Math.PI * 10000 < 31416);
// approx. 0.707
assert(706 < Math.SQRT1_2 * 1000 < 708);
// approx. 1.414
assert(1413 < Math.SQRT2 * 1000 < 1415);
expectClose(Math.E, 2.718281);
expectClose(Math.LN2, 0.693147);
expectClose(Math.LN10, 2.302585);
expectClose(Math.LOG2E, 1.442695);
expectClose(Math.LOG10E, 0.434294);
expectClose(Math.PI, 3.1415926);
expectClose(Math.SQRT1_2, 0.707106);
expectClose(Math.SQRT2, 1.414213);
console.log("PASS");
} catch (e) {