merge: Add test case to ConvexHullGraham Algorithm (#938)

Author: Ankush263

Geometry/Test/ConvexHullGraham.test.js

@@ -0,0 +1,29 @@
+import { convexHull } from '../ConvexHullGraham'
+
+test('The ConvexHull of the following points is [{x: 0, y: 3}, {x: 4, y: 4}, {x: 3, y: 1}, {x: 0, y: 0}]', () => {
+  const points = [
+    { x: 0, y: 3 },
+    { x: 1, y: 1 },
+    { x: 2, y: 2 },
+    { x: 4, y: 4 },
+    { x: 0, y: 0 },
+    { x: 1, y: 2 },
+    { x: 3, y: 1 },
+    { x: 3, y: 3 }]
+  const res = convexHull(points)
+  expect(res).toEqual([{ x: 0, y: 3 }, { x: 4, y: 4 }, { x: 3, y: 1 }, { x: 0, y: 0 }])
+})
+
+test('The ConvexHull of the following points is [{x: 1, y: 4}, {x: 9, y: 6}, {x: 7, y: 0}, {x: 0, y: 0}]', () => {
+  const points = [
+    { x: 4, y: 3 },
+    { x: 1, y: 4 },
+    { x: 2, y: 4 },
+    { x: 0, y: 0 },
+    { x: 9, y: 6 },
+    { x: 1, y: 3 },
+    { x: 4, y: 1 },
+    { x: 7, y: 0 }]
+  const res = convexHull(points)
+  expect(res).toEqual([{ x: 1, y: 4 }, { x: 9, y: 6 }, { x: 7, y: 0 }, { x: 0, y: 0 }])
+})