refactor: align statistic helpers return for empty data set

[e-mobility-charging-stations-simulator.git] / test / utils / CircularArrayTest.ts

diff --git a/test/utils/CircularArrayTest.ts b/test/utils/CircularArrayTest.ts
index d17df344b1c3d5c13675035ad7ca54410b1d6911..0a2609c0a2d19b65878647531b2a214e711a0b77 100644 (file)
--- a/test/utils/CircularArrayTest.ts
+++ b/test/utils/CircularArrayTest.ts
@@ -1,5 +1,6 @@
+import { expect } from 'expect';
+
 import { CircularArray } from '../../src/utils/CircularArray';
-import expect from 'expect';
 
 describe('Circular array test suite', () => {
   it('Verify that circular array can be instantiated', () => {
@@ -9,7 +10,7 @@ describe('Circular array test suite', () => {
 
   it('Verify circular array default size at instance creation', () => {
     const circularArray = new CircularArray();
-    expect(circularArray.size).toBe(Number.MAX_SAFE_INTEGER);
+    expect(circularArray.size).toBe(1024);
   });
 
   it('Verify that circular array size can be set at instance creation', () => {
@@ -26,8 +27,18 @@ describe('Circular array test suite', () => {
     expect(circularArray.length).toBe(4);
   });
 
-  it("Verify that circular array size can't be negative at instance creation", () => {
-    expect(() => new CircularArray(-1)).toThrowError(new RangeError('Invalid circular array size'));
+  it('Verify that circular array size is valid at instance creation', () => {
+    expect(() => new CircularArray(0.25)).toThrowError(
+      new TypeError('Invalid circular array size: 0.25 is not a safe integer')
+    );
+    expect(() => new CircularArray(-1)).toThrowError(
+      new RangeError('Invalid circular array size: -1 < 0')
+    );
+    expect(() => new CircularArray(Number.MAX_SAFE_INTEGER + 1)).toThrowError(
+      new TypeError(
+        `Invalid circular array size: ${Number.MAX_SAFE_INTEGER + 1} is not a safe integer`
+      )
+    );
   });
 
   it('Verify that circular array empty works as intended', () => {
@@ -101,8 +112,16 @@ describe('Circular array test suite', () => {
   });
 
   it('Verify that circular array resize works as intended', () => {
+    expect(() => new CircularArray().resize(0.25)).toThrowError(
+      new TypeError('Invalid circular array size: 0.25 is not a safe integer')
+    );
     expect(() => new CircularArray().resize(-1)).toThrowError(
-      new RangeError('Invalid circular array size')
+      new RangeError('Invalid circular array size: -1 < 0')
+    );
+    expect(() => new CircularArray().resize(Number.MAX_SAFE_INTEGER + 1)).toThrowError(
+      new TypeError(
+        `Invalid circular array size: ${Number.MAX_SAFE_INTEGER + 1} is not a safe integer`
+      )
     );
     let circularArray = new CircularArray(5, 1, 2, 3, 4, 5);
     circularArray.resize(0);