Add useDeepCompareMemo test

packages/use-deep-compare/src/__tests__/useDeepCompareMemo.test.ts

@@ -0,0 +1,26 @@
+import { renderHook } from '@testing-library/react'
+import { useDeepCompareMemo } from '../index'
+
+describe('useDeepCompareMemo', () => {
+  test('should return a memoized value', () => {
+    const factory = jest.fn(() => 'value')
+    let dependencies = [1, { foo: 'bar' }, [3, 4]]
+
+    const { result, rerender } = renderHook(() => useDeepCompareMemo(factory, dependencies))
+
+    expect(factory).toHaveBeenCalledTimes(1)
+    expect(result.current).toBe('value')
+
+    rerender()
+
+    expect(factory).toHaveBeenCalledTimes(1)
+    expect(result.current).toBe('value')
+
+    // Modify dependencies
+    dependencies = [2, { foo: 'baz' }, [5, 6]]
+    rerender()
+
+    expect(factory).toHaveBeenCalledTimes(2)
+    expect(result.current).toBe('value')
+  })
+})