Add number range

package.json

@@ -1,6 +1,6 @@
 {
   "name": "valid-objects-ts",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "main": ".dist/index.js",
   "types": ".dist/index.d.ts",
   "repository": "[email protected]:Travelport-Czech/valid-objects-ts.git",

src/errors/ValidObjectLogicError.ts

@@ -0,0 +1,3 @@
+import { ExtendableError } from 'extendable-error'
+
+export class ValidObjectLogicError extends ExtendableError {}

src/validObjects/ValidNumber.test.ts

@@ -0,0 +1,23 @@
+import { ValidNumber } from '@/validObjects/ValidNumber'
+import { expect } from 'chai'
+
+describe('ValidNumber', () => {
+  it('Construct default', () => {
+    expect(new ValidNumber(0).value).to.equal(0)
+    expect(new ValidNumber(1).value).to.equal(1)
+    expect(new ValidNumber(-1).value).to.equal(-1)
+    expect(new ValidNumber(-1000000000).value).to.equal(-1000000000)
+    expect(new ValidNumber(1000000000).value).to.equal(1000000000)
+  })
+
+  it('Construct with range', () => {
+    expect(new ValidNumber(-2, -2, 2).value).to.equal(-2)
+    expect(new ValidNumber(0, -2, 2).value).to.equal(0)
+    expect(new ValidNumber(1, -2, 2).value).to.equal(1)
+    expect(new ValidNumber(2, -2, 2).value).to.equal(2)
+
+    expect(() => new ValidNumber(-3, -2, 2)).to.throw("Invalid number 'Number (-3) can not be smaller than -2'.")
+    expect(() => new ValidNumber(0, 1, 2)).to.throw("Invalid number 'Number (0) can not be smaller than 1'.")
+    expect(() => new ValidNumber(3, 1, 2)).to.throw("Invalid number 'Number (3) can not be bigger than 2'.")
+  })
+})

src/validObjects/ValidNumber.ts

@@ -1,4 +1,5 @@
 import { InvalidNumberError } from '@/errors/InvalidNumberError'
+import { ValidObjectLogicError } from '@/errors/ValidObjectLogicError'
 
 // tslint:disable-next-line:no-any
 const validate = (val: any): number => {
@@ -16,8 +17,17 @@ export class ValidNumber {
   private readonly val: number
 
   // tslint:disable-next-line:no-any
-  constructor(val: any) {
+  constructor(val: any, rangeFromInclusive?: number, rangeToInclusive?: number) {
+    if (rangeFromInclusive !== undefined && rangeToInclusive !== undefined && rangeFromInclusive > rangeToInclusive) {
+      throw new ValidObjectLogicError(`Parameter rangeFromInclusive (${rangeFromInclusive}) can not be bigger then rangeToInclusive (${rangeToInclusive})`)
+    }
     this.val = validate(val)
+    if (rangeFromInclusive && this.value < rangeFromInclusive) {
+      throw new InvalidNumberError(`Number (${this.value}) can not be smaller than ${rangeFromInclusive}`)
+    }
+    if (rangeToInclusive && this.value > rangeToInclusive) {
+      throw new InvalidNumberError(`Number (${this.value}) can not be bigger than ${rangeToInclusive}`)
+    }
   }
 
   get value(): number {