hermes-agent/apps/desktop/electron/titlebar-overlay-width.test.ts
2026-07-08 16:24:16 -07:00

49 lines
2.3 KiB
TypeScript

import assert from 'node:assert/strict'
import test from 'node:test'
import { MACOS_TAHOE_DARWIN_MAJOR, macTitleBarOverlayHeight, nativeOverlayWidth, OVERLAY_FALLBACK_WIDTH } from './titlebar-overlay-width'
// This static reservation is only the pre-layout FALLBACK. Once laid out the
// renderer reads the exact width from navigator.windowControlsOverlay
// (use-window-controls-overlay-width.ts) and uses these values only when the WCO
// API is unavailable.
test('Windows reserves the overlay fallback width', () => {
assert.equal(nativeOverlayWidth({ isWindows: true }), OVERLAY_FALLBACK_WIDTH)
})
test('WSLg paints the same WCO, so it reserves the same fallback width', () => {
// The original bug: WSL fell through to 0, so the right tools sat under the
// controls and the title overran into them.
assert.equal(nativeOverlayWidth({ isWsl: true }), OVERLAY_FALLBACK_WIDTH)
})
test('plain Linux paints the WCO too, so it reserves the fallback width', () => {
// Regression #53185: re-enabling the overlay on plain Linux (KDE/GNOME)
// without reserving its width left the native min/max/close buttons painting
// on top of the app's right-edge titlebar tools.
assert.equal(nativeOverlayWidth({ isWindows: false, isWsl: false }), OVERLAY_FALLBACK_WIDTH)
assert.equal(nativeOverlayWidth(), OVERLAY_FALLBACK_WIDTH)
assert.equal(nativeOverlayWidth({}), OVERLAY_FALLBACK_WIDTH)
})
test('macOS uses traffic lights, not a WCO overlay, so it reserves nothing', () => {
assert.equal(nativeOverlayWidth({ isMac: true }), 0)
})
test('the fallback width is a sane positive pixel value', () => {
assert.ok(Number.isInteger(OVERLAY_FALLBACK_WIDTH) && OVERLAY_FALLBACK_WIDTH > 0)
})
test('pre-Tahoe keeps the full titlebar overlay height', () => {
assert.equal(macTitleBarOverlayHeight({ darwinMajor: MACOS_TAHOE_DARWIN_MAJOR - 1, titlebarHeight: 34 }), 34)
})
test('Tahoe (Darwin 25+) drops the overlay height to 0 to avoid electron#49183', () => {
assert.equal(macTitleBarOverlayHeight({ darwinMajor: MACOS_TAHOE_DARWIN_MAJOR, titlebarHeight: 34 }), 0)
assert.equal(macTitleBarOverlayHeight({ darwinMajor: MACOS_TAHOE_DARWIN_MAJOR + 1, titlebarHeight: 34 }), 0)
})
test('macTitleBarOverlayHeight tolerates missing args (unknown platform → 0)', () => {
assert.equal(macTitleBarOverlayHeight(), 0)
})