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LibJS: Improve correctness of rounding and bitwise operations

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Patch from Anonymous
This commit is contained in:
Andreas Kling 2021-02-05 09:11:58 +01:00
parent 6622ad8895
commit 16a0e7a66d
9 changed files with 106 additions and 19 deletions
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28
Userland/Libraries/LibJS/Tests/builtins/Math/rounding-modes.js Normal file
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test("basic rounding", () => {
expect(Math.round(1.25)).toBe(1);
expect(Math.round(-1.25)).toBe(-1);
expect(Math.round(1.5)).toBe(2);
expect(Math.round(-1.5)).toBe(-1);
expect(Math.round(1.75)).toBe(2);
expect(Math.round(-1.75)).toBe(-2);
expect(Math.round(1)).toBe(1);
expect(Math.round(-1)).toBe(-1);
expect(Math.round(4294967296.5)).toBe(4294967297);
expect(Math.round(-4294967296.5)).toBe(-4294967296);
expect(Math.round(4294967297)).toBe(4294967297);
expect(Math.round(-4294967297)).toBe(-4294967297);
});
test("basic floor", () => {
expect(Math.floor(1.25)).toBe(1);
expect(Math.floor(-1.25)).toBe(-2);
expect(Math.floor(1.5)).toBe(1);
expect(Math.floor(-1.5)).toBe(-2);
expect(Math.floor(1.75)).toBe(1);
expect(Math.floor(-1.75)).toBe(-2);
expect(Math.floor(1)).toBe(1);
expect(Math.floor(-1)).toBe(-1);
expect(Math.floor(4294967296.5)).toBe(4294967296);
expect(Math.floor(-4294967296.5)).toBe(-4294967297);
expect(Math.floor(4294967297)).toBe(4294967297);
expect(Math.floor(-4294967297)).toBe(-4294967297);
});