LibJS: Fix rounding issues in Number.toFixed

toFixed was not rounding properly when trimming a number. ie: (0.00006).toFixed(4) should be "0.00001" but was returning "0.0000"
Author: https://github.com/ben-abraham Commit: a9c9c8c076 Pull-request: https://github.com/SerenityOS/serenity/pull/12842
2025-09-12 12:32:21 +00:00 · 2022-03-02 00:15:00 -05:00 · 2022-03-02 00:15:00 -05:00 · a9c9c8c076 · 2024-07-17 18:04:41 +09:00
commit a9c9c8c076
parent 1eb451b8ce
2 changed files with 37 additions and 2 deletions
--- a/Userland/Libraries/LibJS/Tests/builtins/Number/Number.prototype.toFixed.js
+++ b/Userland/Libraries/LibJS/Tests/builtins/Number/Number.prototype.toFixed.js
@ -12,6 +12,7 @@ describe("correct behavior", () => {
            [12.81646112, 3, "12.816"],
            [84.23, 4, "84.2300"],
            [3.00003, 5, "3.00003"],
+            [0.00006, 4, "0.0001"],
            // Numbers >= 1e+21
            [1e21, 5, "1e+21"],
            [1e22, 0, "1e+22"],