Solution

src/arrayReverse.test.js

@@ -8,13 +8,42 @@ describe(`Function 'arrayReverse':`, () => {
   });
 
   it(`should return an array`, () => {
+    expect(arrayReverse([])).toBeInstanceOf(Array);
+  });
 
+  it(`should return an empty array`, () => {
+    expect(arrayReverse([])).toEqual([]);
   });
 
   it(`should return an empty string
     if original array consists of an empty string`, () => {
-    expect(arrayReverse(['Mate', 'Academy'])).toEqual(['ymed', 'acAetaM']);
+    expect(arrayReverse([''])).toEqual(['']);
+  });
+
+  it('should return the same string if it consists of one character', () => {
+    expect(arrayReverse(['a'])).toEqual(['a']);
   });
 
-  // write more tests here
+  it(`should return reversed string
+    if the original array consists of one word`, () => {
+    expect(arrayReverse(['Hell0'])).toEqual(['0lleH']);
+  });
+
+  it(`should return reversed string
+      if original array consists of string with numbers`, () => {
+    expect(arrayReverse(['h311o'])).toEqual(['o113h']);
+  });
+
+  it(`should return reversed string
+      if original array consists of string with special symbols`, () => {
+    expect(arrayReverse(['h@llo!'])).toEqual(['!oll@h']);
+  });
+
+  it(`should return array with reversed words
+      if original array consists of several words`, () => {
+    expect(arrayReverse(['Mate', 'Academy'])).toEqual(['ymed', 'acAetaM']);
+
+    expect(arrayReverse(['I', 'am', 'a', 'student!']))
+      .toEqual(['!', 'tn', 'e', 'dutsamaI']);
+  });
 });