Improve boxPoints test to check actual coordinate values

Co-authored-by: ttt43ttt <[email protected]>

Author: Copilot

test/rect.test.ts

@@ -26,20 +26,18 @@ describe("rect", () => {
     // Test that boxPoints accepts one argument and returns Point2f[]
     const points = cv.boxPoints(rotatedRect);
 
-    // Verify it returns an array
-    expect(Array.isArray(points)).toBe(true);
-
     // Verify it returns 4 points
     expect(points.length).toBe(4);
 
-    // Verify each point has x and y properties
-    points.forEach((point) => {
-      expect(typeof point.x).toBe("number");
-      expect(typeof point.y).toBe("number");
-    });
-
-    // Verify the points are reasonable (not all zeros)
-    const hasNonZero = points.some((point) => point.x !== 0 || point.y !== 0);
-    expect(hasNonZero).toBe(true);
+    // Check the actual values - boxPoints should return the same result as RotatedRect.points
+    const expectedPoints = cv.RotatedRect.points(rotatedRect);
+    expect(points[0].x).toBeCloseTo(expectedPoints[0].x, 5);
+    expect(points[0].y).toBeCloseTo(expectedPoints[0].y, 5);
+    expect(points[1].x).toBeCloseTo(expectedPoints[1].x, 5);
+    expect(points[1].y).toBeCloseTo(expectedPoints[1].y, 5);
+    expect(points[2].x).toBeCloseTo(expectedPoints[2].x, 5);
+    expect(points[2].y).toBeCloseTo(expectedPoints[2].y, 5);
+    expect(points[3].x).toBeCloseTo(expectedPoints[3].x, 5);
+    expect(points[3].y).toBeCloseTo(expectedPoints[3].y, 5);
   });
 });