Add tests

prashalruchiranga · prashalruchiranga · commit 83259b329b97 · 2022-10-07T21:13:30.000+05:30
diff --git a/Maths/CircularArc.js b/Maths/CircularArc.js
@@ -1,14 +1,4 @@
-/**
- * @function degreesToRadians
- * @description convert from degrees to radians
- * @param {Integer} angle in degrees
- * @return {Integer} degrees * pi / 180
- * @see https://en.wikipedia.org/wiki/Degree_(angle)
- * @example degreesToRadians(45) = 0.7853981633974483
- */
-function degreesToRadians (degrees) {
-  return degrees * Math.PI / 180
-}
+import { degreeToRadian } from "./DegreeToRadian.js"
 
 /**
    * @function circularArcLength
@@ -20,7 +10,7 @@ function degreesToRadians (degrees) {
    * @example circularArcLength(3, 45) = 2.356194490192345
    */
 function circularArcLength (radius, degrees) {
-  return radius * degreesToRadians(degrees)
+  return radius * degreeToRadian(degrees)
 }
 /**
    * @function circularArcArea
@@ -32,7 +22,7 @@ function circularArcLength (radius, degrees) {
    * @example circularArcArea(3,45) = 3.5342917352885173
    */
 function circularArcArea (radius, degrees) {
-  return Math.pow(radius, 2) * degreesToRadians(degrees) / 2
+  return Math.pow(radius, 2) * degreeToRadian(degrees) / 2
 }
 
 export {
diff --git a/Maths/test/CircularArc.test.js b/Maths/test/CircularArc.test.js
@@ -0,0 +1,20 @@
+import { circularArcLength } from "../CircularArc";
+import { circularArcArea } from "../CircularArc";
+
+describe('circularArcLength', () => {
+    it('with natural number', () => {
+      const arcLengthOfOneThirty = circularArcLength(1, 30)
+      const arcLengthOfThreeSixty = circularArcLength(3, 60)
+      expect(arcLengthOfOneThirty).toBe(0.5235987755982988)
+      expect(arcLengthOfThreeSixty).toBe(3.141592653589793)
+    })
+  })
+
+describe('circularArcArea', () => {
+    it('with natural number', () => {
+      const arcAreaOfOneThirty = circularArcArea(1, 30)
+      const arcAreaOfThreeSixty = circularArcArea(3, 60)
+      expect(arcAreaOfOneThirty).toBe(0.2617993877991494)
+      expect(arcAreaOfThreeSixty).toBe(4.71238898038469)
+    })
+  })
