C# transpiler, API, and tests

src/csharp/Facebook.CSSLayout.Tests/CSSNodeTest.cs

@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2014, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+using System;
+using NUnit.Framework;
+
+namespace Facebook.CSSLayout.Tests
+{
+    /**
+     * Tests for {@link CSSNode}.
+     */
+    public class CSSNodeTest
+    {
+
+        [Test]
+        public void testAddChildGetParent()
+        {
+            CSSNode parent = new CSSNode();
+            CSSNode child = new CSSNode();
+
+            Assert.Null(child.getParent());
+            Assert.AreEqual(0, parent.getChildCount());
+
+            parent.addChildAt(child, 0);
+
+            Assert.AreEqual(1, parent.getChildCount());
+            Assert.AreEqual(child, parent.getChildAt(0));
+            Assert.AreEqual(parent, child.getParent());
+
+            parent.removeChildAt(0);
+
+            Assert.Null(child.getParent());
+            Assert.AreEqual(0, parent.getChildCount());
+        }
+
+        [Test, ExpectedException(typeof(InvalidOperationException))]
+        public void testCannotAddChildToMultipleParents()
+        {
+            CSSNode parent1 = new CSSNode();
+            CSSNode parent2 = new CSSNode();
+            CSSNode child = new CSSNode();
+
+            parent1.addChildAt(child, 0);
+            parent2.addChildAt(child, 0);
+        }
+    }
+}