better test

konva.js

@@ -625,20 +625,16 @@
               return -1;
           }
       },
-      _waiting: false,
       animQueue: [],
       requestAnimFrame: function (callback) {
           Util.animQueue.push(callback);
-          if (Util._waiting) {
-              return;
-          }
-          requestAnimationFrame(function () {
-              Util.animQueue.forEach(function (cb) {
-                  cb();
+          if (Util.animQueue.length === 1) {
+              requestAnimationFrame(function () {
+                  var queue = Util.animQueue;
+                  Util.animQueue = [];
+                  queue.forEach(function (cb) { cb(); });
               });
-              Util.animQueue = [];
-              Util._waiting = false;
-          });
+          }
       },
       createCanvasElement: function () {
           var canvas = isBrowser
@@ -2961,7 +2957,7 @@
           if (parent && parent.children) {
               parent.children.splice(this.index, 1);
               parent._setChildrenIndices();
-              delete this.parent;
+              this.parent = null;
           }
           // every cached attr that is calculated via node tree
           // traversal must be cleared when removing a node
@@ -4938,7 +4934,7 @@
           for (var i = 0; i < children.length; i++) {
               child = children[i];
               // reset parent to prevent many _setChildrenIndices calls
-              delete child.parent;
+              child.parent = null;
               child.index = 0;
               child.remove();
           }
@@ -4957,7 +4953,7 @@
           for (var i = 0; i < children.length; i++) {
               child = children[i];
               // reset parent to prevent many _setChildrenIndices calls
-              delete child.parent;
+              child.parent = null;
               child.index = 0;
               child.destroy();
           }
@@ -5727,10 +5723,6 @@
       };
       Stage.prototype._mouseover = function (evt) {
           this._setPointerPosition(evt);
-          // TODO: add test on mouseover
-          // I guess it should fire on:
-          // 1. mouseenter
-          // 2. leave or enter any shape
           this._fire(CONTENT_MOUSEOVER, { evt: evt });
           this._fire(MOUSEOVER, { evt: evt, target: this, currentTarget: this });
       };
@@ -6355,13 +6347,13 @@
        */
       BaseLayer.prototype.batchDraw = function () {
           var _this = this;
-          if (this._waitingForDraw) {
-              return;
+          if (!this._waitingForDraw) {
+              this._waitingForDraw = true;
+              Util.requestAnimFrame(function () {
+                  _this.draw();
+                  _this._waitingForDraw = false;
+              });
           }
-          Util.requestAnimFrame(function () {
-              _this._waitingForDraw = false;
-              _this.draw();
-          });
           return this;
       };
       // the apply transform method is handled by the Layer and FastLayer class

src/Stage.ts

@@ -345,10 +345,6 @@ export class Stage extends Container {
   }
   _mouseover(evt) {
     this._setPointerPosition(evt);
-    // TODO: add test on mouseover
-    // I guess it should fire on:
-    // 1. mouseenter
-    // 2. leave or enter any shape
     this._fire(CONTENT_MOUSEOVER, { evt: evt });
     this._fire(MOUSEOVER, { evt: evt, target: this, currentTarget: this });
   }

test/unit/Stage-test.js

@@ -1092,18 +1092,27 @@ suite('Stage', function() {
     assert.equal(dblicks, 1, 'first dbclick registered');
   });
 
-  test.only('test mouseover event on stage', function() {
+  test('test mouseover event on stage', function() {
     var stage = addStage();
     var layer = new Konva.Layer();
     stage.add(layer);
-    var rect = new Konva.Rect({
+    var rect1 = new Konva.Rect({
       x: 50,
       y: 50,
-      width: stage.width(),
-      height: stage.height(),
+      width: 50,
+      height: 50,
       fill: 'red'
     });
-    layer.add(rect);
+    layer.add(rect1);
+
+    var rect2 = new Konva.Rect({
+      x: 100,
+      y: 100,
+      width: 50,
+      height: 50,
+      fill: 'red'
+    });
+    layer.add(rect2);
     layer.draw();
 
     var mouseover = 0;
@@ -1116,8 +1125,10 @@ suite('Stage', function() {
         assert.equal(e.currentTarget, stage);
       }
       if (mouseover === 2) {
-        assert.equal(e.target, rect);
-        assert.equal(e.currentTarget, stage);
+        assert.equal(e.target, rect1);
+      }
+      if (mouseover === 3) {
+        assert.equal(e.target, rect2);
       }
     });
 
@@ -1141,6 +1152,17 @@ suite('Stage', function() {
 
     assert.equal(mouseover, 2, 'moved into inner shape, trigger new mouseover');
 
+    stage.simulateMouseMove({
+      x: 110,
+      y: 110
+    });
+
+    assert.equal(
+      mouseover,
+      3,
+      'moved into second shape, trigger new mouseover'
+    );
+
     stage.simulateMouseMove({
       x: 10,
       y: 10
@@ -1148,8 +1170,8 @@ suite('Stage', function() {
 
     assert.equal(
       mouseover,
-      3,
-      'moved out of inner shape, trigger new mouseover'
+      4,
+      'moved to empty space shape, trigger new mouseover'
     );
   });