test(helper-specs): add test cases for isIntegerArray method

Author: sanjayaksaxena

test/helper-specs.js

@@ -98,3 +98,27 @@ describe( 'isFiniteInteger', function () {
     } );
   } );
 } );
+
+describe( 'isIntegerArray', function () {
+  var tests = [
+    { expectedOutputIs: false, whenInputIs: undefined },
+    { expectedOutputIs: false, whenInputIs: null },
+    { expectedOutputIs: false, whenInputIs: [] },
+    { expectedOutputIs: false, whenInputIs: [ -1.1 ] },
+    { expectedOutputIs: false, whenInputIs: [ 1.00001 ] },
+    { expectedOutputIs: false, whenInputIs: [ {} ] },
+    { expectedOutputIs: false, whenInputIs: [ [] ] },
+    { expectedOutputIs: false, whenInputIs: [ 1, 2, [] ] },
+    { expectedOutputIs: false, whenInputIs: [ 1, 2, {} ] },
+    { expectedOutputIs: false, whenInputIs: [ 1, 2, 1.1 ] },
+    { expectedOutputIs: true, whenInputIs: [ 1 ] },
+    { expectedOutputIs: true, whenInputIs: [ 999999 ] },
+    { expectedOutputIs: true, whenInputIs: [ -999999 ] },
+    { expectedOutputIs: true, whenInputIs: [ -999999, 1, 2 ] }
+  ];
+  tests.forEach( function ( t ) {
+    it( 'should return ' + JSON.stringify( t.expectedOutputIs ) + '\n\tif the input is ' + JSON.stringify( t.whenInputIs ), function () {
+      expect( helper.isIntegerArray( t.whenInputIs ) ).to.equal( t.expectedOutputIs );
+    } );
+  } );
+} );