First commit

LICENSE.txt

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+Freeware License, some rights reserved
+
+Copyright (c) 2010 Gary Hall
+
+Permission is hereby granted, free of charge, to anyone obtaining a copy 
+of this software and associated documentation files (the "Software"), 
+to work with the Software within the limits of freeware distribution and fair use. 
+This includes the rights to use, copy, and modify the Software for personal use. 
+Users are also allowed and encouraged to submit corrections and modifications 
+to the Software for the benefit of other users.
+
+It is not allowed to reuse,  modify, or redistribute the Software for 
+commercial use in any way, or for a user�s educational materials such as books 
+or blog articles without prior permission from the copyright holder. 
+
+The above copyright notice and this permission notice need to be included 
+in all copies or substantial portions of the software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS OR APRESS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+

Pro WPF Silverlight MVVM/Ch10_MyMoney/Local.testsettings

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+<?xml version="1.0" encoding="UTF-8"?>
+<TestSettings name="Local" id="e533ef08-9b5d-45f9-9cf4-b65cf17f0508" xmlns="http://microsoft.com/schemas/VisualStudio/TeamTest/2010">
+  <Description>These are default test settings for a local test run.</Description>
+  <Deployment enabled="false" />
+  <Execution>
+    <TestTypeSpecific />
+    <AgentRule name="Execution Agents">
+    </AgentRule>
+  </Execution>
+</TestSettings>

Pro WPF Silverlight MVVM/Ch10_MyMoney/MyMoney.Model.Test/CompositeAccountTests.cs

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+using System;
+using System.Text;
+using System.Collections.Generic;
+using System.Linq;
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace MyMoney.Model.Test
+{
+    [TestClass]
+    public class CompositeAccountTests
+    {
+        [TestMethod]
+        public void TestAddAccount()
+        {
+            CompositeAccount ac1 = new CompositeAccount("A");
+            CompositeAccount ac2 = new CompositeAccount("B");
+
+            ac1.AddAccount(ac2);
+
+            Assert.AreEqual(1, ac1.ChildAccounts.Count());
+            Assert.AreEqual(ac2, ac1.ChildAccounts.FirstOrDefault());
+        }
+
+        [TestMethod]
+        public void TestRemoveAccount()
+        {
+            CompositeAccount ac1 = new CompositeAccount("A");
+            CompositeAccount ac2 = new CompositeAccount("B");
+
+            ac1.AddAccount(ac2);
+
+            ac1.RemoveAccount(ac2);
+            Assert.AreEqual(0, ac1.ChildAccounts.Count());
+        }
+
+        [TestMethod]
+        [ExpectedException(typeof(InvalidOperationException))]
+        public void TestAccountOnlyAppearsOnceInHierarchy()
+        {
+            CompositeAccount ac1 = new CompositeAccount("A");
+            CompositeAccount ac2 = new CompositeAccount("B");
+            CompositeAccount ac3 = new CompositeAccount("C");
+
+            ac1.AddAccount(ac3);
+            ac2.AddAccount(ac3);
+        }
+
+        [TestMethod]
+        [ExpectedException(typeof(InvalidOperationException))]
+        public void TestAccountsWithSameNameCannotShareParent()
+        {
+            CompositeAccount ac1 = new CompositeAccount("AC1");
+            CompositeAccount ac2 = new CompositeAccount("ABC");
+            CompositeAccount ac3 = new CompositeAccount("ABC");
+
+            ac1.AddAccount(ac2);
+            ac1.AddAccount(ac3);
+        }
+
+        [TestMethod]
+        public void TestAccountsWithSameNameCanExistInHierarchy()
+        {
+            CompositeAccount ac1 = new CompositeAccount("AC1");
+            CompositeAccount ac2 = new CompositeAccount("ABC");
+            CompositeAccount ac3 = new CompositeAccount("AC3");
+            CompositeAccount ac4 = new CompositeAccount("ABC");
+
+            ac1.AddAccount(ac2);
+            ac2.AddAccount(ac3);
+            ac3.AddAccount(ac4);
+        }
+
+        [TestMethod]
+        [ExpectedException(typeof(InvalidOperationException))]
+        public void TestAccountsCannotBeDirectlyCyclical()
+        {
+            CompositeAccount ac1 = new CompositeAccount("AC1");
+            CompositeAccount ac2 = new CompositeAccount("AC2");
+
+            ac1.AddAccount(ac2);
+            ac2.AddAccount(ac1);
+        }
+
+        [TestMethod]
+        [ExpectedException(typeof(InvalidOperationException))]
+        public void TestAccountsCannotBeIndirectlyCyclical()
+        {
+            CompositeAccount ac1 = new CompositeAccount("AC1");
+            CompositeAccount ac2 = new CompositeAccount("AC2");
+            CompositeAccount ac3 = new CompositeAccount("AC3");
+
+            ac1.AddAccount(ac2);
+            ac2.AddAccount(ac3);
+            ac3.AddAccount(ac1);
+        }
+    }
+}

Pro WPF Silverlight MVVM/Ch10_MyMoney/MyMoney.Model.Test/EntryTests.cs

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+using System;
+using System.Text;
+using System.Collections.Generic;
+using System.Linq;
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace MyMoney.Model.Test
+{
+    [TestClass]
+    public class EntryTests
+    {
+        [TestMethod]
+        public void TestCalculateNewBalanceWithDeposit()
+        {
+            Entry entry = new Entry(EntryType.Deposit, 10M);
+
+            Money oldBalance = 5M;
+            Money newBalance = entry.CalculateNewBalance(oldBalance);
+
+            Assert.IsTrue(newBalance > oldBalance);
+            Assert.AreEqual(newBalance, new Money(15M));
+        }
+
+        [TestMethod]
+        public void TestCalculateNewBalanceWithWithdrawal()
+        {
+            Entry entry = new Entry(EntryType.Withdrawal, 5M);
+
+            Money oldBalance = 10M;
+            Money newBalance = entry.CalculateNewBalance(oldBalance);
+
+            Assert.IsTrue(newBalance < oldBalance);
+            Assert.AreEqual(newBalance, new Money(5m));
+        }
+    }
+}

Pro WPF Silverlight MVVM/Ch10_MyMoney/MyMoney.Model.Test/LeafAccountTests.cs

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+using System;
+using System.Text;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace MyMoney.Model.Test
+{
+    [TestClass]
+    public class LeafAccountTests
+    {
+        [TestMethod]
+        public void TestDefaultAccountBalanceIsZero()
+        {
+            LeafAccount account = new LeafAccount("AC1");
+
+            Assert.AreEqual(account.Balance, Money.Zero);
+        }
+
+        [TestMethod]
+        public void TestAccountBalanceAllDeposits()
+        {
+            LeafAccount account = new LeafAccount("AC1");
+
+            account.AddEntry(new Entry(EntryType.Deposit, 15.05M));
+            account.AddEntry(new Entry(EntryType.Deposit, 67.32M));
+            account.AddEntry(new Entry(EntryType.Deposit, 11.10M));
+            account.AddEntry(new Entry(EntryType.Deposit, 112.35M));
+
+            Assert.AreEqual(account.Entries.Count(), 4);
+            Assert.AreEqual(account.Balance, 205.82M);
+        }
+    }
+}