merge: Add CheckExceeding function (#907)

* feat: add checkExceeding function

* test: add test cases of checkExceeding func

* test: add more not increasing words

String/test/CheckExceeding.test.js

@@ -0,0 +1,46 @@
+import { checkExceeding } from '../CheckExceeding'
+
+describe('Testing CheckExceeding function', () => {
+  it('Testing the invalid types', () => {
+    expect(() => checkExceeding(Math.random())).toThrow('Argument is not a string')
+    expect(() => checkExceeding(null)).toThrow('Argument is not a string')
+    expect(() => checkExceeding(false)).toThrow('Argument is not a string')
+    expect(() => checkExceeding(false)).toThrow('Argument is not a string')
+  })
+
+  it('Testing with empty string', () => {
+    expect(checkExceeding('')).toBe(true)
+  })
+
+  it('Testing with linear alphabets', () => {
+    expect(checkExceeding('a b c d e ')).toBe(true)
+    expect(checkExceeding('f g h i j ')).toBe(true)
+    expect(checkExceeding('k l m n o ')).toBe(true)
+    expect(checkExceeding('p q r s t ')).toBe(true)
+    expect(checkExceeding('u v w x y z')).toBe(true)
+  })
+
+  it('Testing not exceeding words', () => {
+    expect(checkExceeding('Hello')).toBe(false)
+    expect(checkExceeding('world')).toBe(false)
+    expect(checkExceeding('update')).toBe(false)
+    expect(checkExceeding('university')).toBe(false)
+    expect(checkExceeding('dog')).toBe(false)
+    expect(checkExceeding('exceeding')).toBe(false)
+    expect(checkExceeding('resolved')).toBe(false)
+    expect(checkExceeding('future')).toBe(false)
+    expect(checkExceeding('fixed')).toBe(false)
+    expect(checkExceeding('codes')).toBe(false)
+    expect(checkExceeding('facebook')).toBe(false)
+    expect(checkExceeding('vscode')).toBe(false)
+  })
+
+  it('Testing exceeding words', () => {
+    expect(checkExceeding('bee')).toBe(true) // [ 3 ]
+    expect(checkExceeding('can')).toBe(true) // [ 2, 13 ]
+    expect(checkExceeding('good')).toBe(true) //  [ 8, 11 ]
+    expect(checkExceeding('bad')).toBe(true) // [ 1, 3 ]
+    expect(checkExceeding('play')).toBe(true) // [ 4, 11, 24 ]
+    expect(checkExceeding('delete')).toBe(true) // [1, 7, 7, 15, 15]
+  })
+})