From 1cb291690d599a4ee9b3c907dc27bcc8a6ed7358 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Tue, 23 Feb 2016 11:55:03 +0100
Subject: [PATCH] Implement unit tests for #991

Tests for item.addChildren()/removeChildren(), some currently failing.
---
 test/tests/Item.js | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/test/tests/Item.js b/test/tests/Item.js
index dc1f1a1b..b9c6b455 100644
--- a/test/tests/Item.js
+++ b/test/tests/Item.js
@@ -154,6 +154,40 @@ test('item.remove()', function() {
     }, 0);
 });
 
+
+test('item.addChildren() / item.removeChildren()', function() {
+    var project = paper.project,
+        layer = project.activeLayer,
+        path1 = new Path({ insert: false }),
+        path2 = new Path({ insert: false, name: 'path2' });
+
+    layer.addChildren([path1, path2]);
+    equals(function() { return path1.index; }, 0);
+    equals(function() { return path2.index; }, 1);
+    equals(function() { return path1.parent === layer; }, true);
+    equals(function() { return path2.parent === layer; }, true);
+    equals(function() { return layer.children['path2'] === path2; }, true);
+    layer.removeChildren();
+    equals(function() { return path1.index; }, undefined);
+    equals(function() { return path2.index; }, undefined);
+    equals(function() { return path1.parent; }, null);
+    equals(function() { return path2.parent; }, null);
+    equals(function() { return layer.children['path2'] === undefined; }, true);
+
+    layer.children = [path1, path2];
+    equals(function() { return path1.index; }, 0);
+    equals(function() { return path2.index; }, 1);
+    equals(function() { return path1.parent === layer; }, true);
+    equals(function() { return path2.parent === layer; }, true);
+    equals(function() { return layer.children['path2'] === path2; }, true);
+    layer.children = [];
+    equals(function() { return path1.index; }, undefined);
+    equals(function() { return path2.index; }, undefined);
+    equals(function() { return path1.parent; }, null);
+    equals(function() { return path2.parent; }, null);
+    equals(function() { return layer.children['path2'] === undefined; }, true);
+});
+
 test('item.lastChild / item.firstChild', function() {
     var project = paper.project;
     var path = new Path();