powercoder23
diff --git a/‎__tests__/Stack.ts
Lines changed: 20 additions & 1 deletion b/‎__tests__/Stack.ts
Lines changed: 20 additions & 1 deletion
diff --git a/‎dist/immutable.js
Lines changed: 3 additions & 2 deletions b/‎dist/immutable.js
Lines changed: 3 additions & 2 deletions
@@ -64,6 +64,7 @@ describe('Stack', () => {
   it('get helpers make for easier to read code', () => {
     var s = Stack.of('a', 'b', 'c');
     expect(s.first()).toBe('a');
+    expect(s.last()).toBe('c');
     expect(s.peek()).toBe('a');
   });
 
@@ -83,7 +84,14 @@ describe('Stack', () => {
       [1,'b'],
       [2,'c'],
     ]);
-
+    
+    // map will cause reverse iterate
+    expect(s.map(val => val + val).toArray()).toEqual([
+      'aa',
+      'bb',
+      'cc',
+    ]);
+    
     var iteratorResults = [];
     var iterator = s.entries();
     var step;
@@ -95,6 +103,17 @@ describe('Stack', () => {
       [1,'b'],
       [2,'c'],
     ]);
+    
+    iteratorResults = [];
+    iterator = s.toSeq().reverse().entries();
+    while (!(step = iterator.next()).done) {
+      iteratorResults.push(step.value);
+    }
+    expect(iteratorResults).toEqual([
+      [0,'c'],
+      [1,'b'],
+      [2,'a'],
+    ]);
   });
 
   it('push inserts at lowest index', () => {
 
@@ -3278,6 +3278,7 @@
 
     Stack.prototype.get = function(index, notSetValue) {
       var head = this._head;
+      index = wrapIndex(this, index);
       while (head && index--) {
         head = head.next;
       }
@@ -3410,7 +3411,7 @@
 
     Stack.prototype.__iterate = function(fn, reverse) {
       if (reverse) {
-        return this.toSeq().cacheResult.__iterate(fn, reverse);
+        return this.reverse().__iterate(fn);
       }
       var iterations = 0;
       var node = this._head;
@@ -3425,7 +3426,7 @@
 
     Stack.prototype.__iterator = function(type, reverse) {
       if (reverse) {
-        return this.toSeq().cacheResult().__iterator(type, reverse);
+        return this.reverse().__iterator(type);
       }
       var iterations = 0;
       var node = this._head;