fix(desktop): guard manual window drag coordinates

2026-03-21 14:58:57 +07:00
parent b15159caeb
commit 6731879931
6 changed files with 360 additions and 142 deletions
@@ -0,0 +1,28 @@
+import { describe, expect, it } from 'vitest'
+
+import { readFiniteScreenPoint } from './desktop-window-drag-coordinates'
+
+describe('readFiniteScreenPoint', () => {
+  it('returns finite screen coordinates', () => {
+    expect(readFiniteScreenPoint({ screenX: 1280, screenY: 720 })).toEqual({
+      screenX: 1280,
+      screenY: 720,
+    })
+  })
+
+  it('rejects NaN screen coordinates', () => {
+    expect(readFiniteScreenPoint({ screenX: Number.NaN, screenY: 720 })).toBeNull()
+    expect(readFiniteScreenPoint({ screenX: 1280, screenY: Number.NaN })).toBeNull()
+  })
+
+  it('rejects infinite screen coordinates', () => {
+    expect(readFiniteScreenPoint({ screenX: Number.POSITIVE_INFINITY, screenY: 720 })).toBeNull()
+    expect(readFiniteScreenPoint({ screenX: 1280, screenY: Number.NEGATIVE_INFINITY })).toBeNull()
+  })
+
+  it('rejects missing screen coordinates', () => {
+    expect(readFiniteScreenPoint(undefined)).toBeNull()
+    expect(readFiniteScreenPoint({ screenX: 1280 })).toBeNull()
+    expect(readFiniteScreenPoint({ screenY: 720 })).toBeNull()
+  })
+})