| import { expect, test } from "bun:test" | |
| import { layoutShiftValue, removeVisibleRow } from "../timeline/session-timeline-stream-probe" | |
| test("excludes layout shifts before the probe window and recent input", () => { | |
| expect(layoutShiftValue({ startTime: 9, value: 0.1 }, 10)).toBeUndefined() | |
| expect(layoutShiftValue({ startTime: 10, value: 0.2, hadRecentInput: true }, 10)).toBeUndefined() | |
| expect(layoutShiftValue({ startTime: 11, value: 0.3 }, 10)).toBe(0.3) | |
| }) | |
| test("classifies removed rows from their last painted visibility", () => { | |
| const row = {} | |
| const visible = new Set([row]) | |
| expect(removeVisibleRow(visible, row)).toBe(true) | |
| expect(removeVisibleRow(visible, row)).toBe(false) | |
| }) | |