ladybird/Libraries/LibJS/Tests/builtins/Math/rounding-modes.js

28 lines
1.1 KiB
JavaScript

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);
});