Initial move from old twain-in-dotnet.

Tests/NTwain.Tests/Data/TWIdentityTest.cs

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+using NTwain.Data;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using NTwain.Values;
+
+namespace NTwain.Tests.Data
+{
+    /// <summary>
+    ///This is a test class for TWIdentity and is intended
+    ///to contain all TWIdentityTest Unit Tests
+    ///</summary>
+    [TestClass]
+    public class TWIdentityTest
+    {
+        // the maxlength expects null terminator so at maxlength it's over the limit
+
+        [TestMethod]
+        [ExpectedException(typeof(ArgumentException), "String length not enforced.")]
+        public void Enforce_Manufacturer_String_Length()
+        {
+            TWIdentity target = new TWIdentity();
+
+            var overLength = TwainConst.String32;
+
+            string badString = new String('a', overLength);
+
+            target.Manufacturer = badString;
+        }
+
+        [TestMethod]
+        [ExpectedException(typeof(ArgumentException), "String length not enforced.")]
+        public void Enforce_ProductFamily_String_Length()
+        {
+            TWIdentity target = new TWIdentity();
+
+            var overLength = TwainConst.String32;
+
+            string badString = new String('a', overLength);
+            target.ProductFamily = badString;
+        }
+
+        [TestMethod]
+        [ExpectedException(typeof(ArgumentException), "String length not enforced.")]
+        public void Enforce_ProductName_String_Length()
+        {
+            TWIdentity target = new TWIdentity();
+
+            var overLength = TwainConst.String32;
+
+            string badString = new String('a', overLength);
+            target.ProductName = badString;
+        }
+    }
+}

Tests/NTwain.Tests/DataTransferredEventArgsTests.cs

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+using NTwain;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using NTwain.Values;
+using System.Runtime.Serialization;
+
+namespace NTwain.Tests
+{
+    [TestClass]
+    public class DataTransferredEventArgsTests
+    {
+        [TestMethod]
+        public void Constructor_Sets_Correct_Properties()
+        {
+            // just some non-default values to test
+            IntPtr data = new IntPtr(10);
+            string file = "THIS IS A TEST.";
+
+            DataTransferredEventArgs target = new DataTransferredEventArgs(data, file);
+
+            Assert.AreEqual(data, target.Data, "Data mismatch.");
+            Assert.AreEqual(file, target.FilePath, "File mismatch.");
+        }
+
+    }
+}

Tests/NTwain.Tests/DeviceEventArgsTests.cs

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+using NTwain;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using NTwain.Values;
+using System.Runtime.Serialization;
+using NTwain.Data;
+
+namespace NTwain.Tests
+{
+    [TestClass]
+    public class DeviceEventArgsTests
+    {
+        [TestMethod]
+        public void Constructor_Sets_Correct_Properties()
+        {
+            // just some non-default values to test
+            TWDeviceEvent evt = new TWDeviceEvent();
+
+            DeviceEventArgs target = new DeviceEventArgs(evt);
+
+            Assert.AreEqual(evt, target.DeviceEvent, "DeviceEvent mismatch.");
+        }
+
+    }
+}

Tests/NTwain.Tests/NTwain.Tests.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>
+    </ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{6B034C50-A397-435F-8DDF-677B403FEBAA}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>NTwain.Tests</RootNamespace>
+    <AssemblyName>NTwain.Tests</AssemblyName>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>Sign.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+    <Reference Include="System" />
+    <Reference Include="System.Core">
+      <RequiredTargetFramework>3.5</RequiredTargetFramework>
+    </Reference>
+    <Reference Include="System.Data" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.Windows.Forms" />
+  </ItemGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="DataTransferredEventArgsTests.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Data\TWIdentityTest.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="DeviceEventArgsTests.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="TransferReadyEventArgsTests.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="TwainSessionTests.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="TwainStateExceptionTest.cs">
+      <SubType>Code</SubType>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\NTwain\NTwain.csproj">
+      <Project>{0C5A6FB1-0282-4D61-8354-68DEB1515001}</Project>
+      <Name>NTwain</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Sign.snk" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

Tests/NTwain.Tests/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("NTwain.Tests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Yin-Chun Wang")]
+[assembly: AssemblyProduct("NTwain.Tests")]
+[assembly: AssemblyCopyright("Copyright © Yin-Chun Wang 2014")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("31489afd-4b8b-413a-b996-fb05bb6bc9fe")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

Tests/NTwain.Tests/TransferReadyEventArgsTests.cs

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+using NTwain;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using NTwain.Values;
+using System.Runtime.Serialization;
+using NTwain.Data;
+using NTwain.Values.Cap;
+using System.Collections.Generic;
+
+namespace NTwain.Tests
+{
+    [TestClass]
+    public class TransferReadyEventArgsTests
+    {
+        [TestMethod]
+        public void Constructor_Sets_Correct_Properties()
+        {
+            // just some non-default values to test
+            TWPendingXfers pending = new TWPendingXfers();
+            List<ImageFileFormat> formats = new List<ImageFileFormat> { ImageFileFormat.Bmp, ImageFileFormat.Tiff };
+            ImageFileFormat curFormat = ImageFileFormat.Tiff;
+            List<Compression> compressions = new List<Compression> { Compression.None, Compression.Group4 };
+            Compression curCompress = Compression.None;
+            bool fileXfer = true;
+            TWImageInfo info = new TWImageInfo();
+
+            TransferReadyEventArgs target = new TransferReadyEventArgs(pending, formats, curFormat, compressions, curCompress, fileXfer, info);
+
+            Assert.AreEqual(pending.Count, target.PendingCount, "PendingCount mismatch.");
+            Assert.AreEqual(formats, target.SupportedFormats, "SupportedFormats mismatch.");
+            Assert.AreEqual(curFormat, target.ImageFormat, "ImageFormat mismatch.");
+            Assert.AreEqual(compressions, target.SupportedCompressions, "SupportedCompressions mismatch.");
+            Assert.AreEqual(curCompress, target.ImageCompression, "ImageCompression mismatch.");
+            Assert.AreEqual(fileXfer, target.CanDoFileXfer, "CanDoFileXfer mismatch.");
+            Assert.AreEqual(info, target.ImageInfo, "ImageInfo mismatch.");
+        }
+
+    }
+}

Tests/NTwain.Tests/TwainSessionTests.cs

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+using System;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using NTwain.Data;
+using NTwain.Values;
+
+namespace NTwain.Tests
+{
+    [TestClass]
+    public class TwainSessionTests
+    {
+        [TestMethod]
+        [ExpectedException(typeof(TwainStateException), "State check failed to throw.")]
+        public void VerifyState_Throws_When_State_Is_Enforced()
+        {
+            TwainSession session = new TwainSession(TWIdentity.Create(DataGroups.Image, new Version(1, 0), "test", "test", "test", "test"));
+            session.EnforceState = true;
+            session.State = 4;
+
+            session.VerifyState(6, 6, DataGroups.Image, DataArgumentType.ImageNativeXfer, Message.Get);
+        }
+
+        [TestMethod]
+        public void VerifyState_No_Throws_When_State_Is_Not_Enforced()
+        {
+            TwainSession session = new TwainSession(TWIdentity.Create(DataGroups.Image, new Version(1, 0), "test", "test", "test", "test"));
+            session.EnforceState = false;
+            session.State = 4;
+
+            session.VerifyState(6, 6, DataGroups.Image, DataArgumentType.ImageNativeXfer, Message.Get);
+        }
+    }
+}

Tests/NTwain.Tests/TwainStateExceptionTest.cs

@@ -0,0 +1,43 @@
+using NTwain;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using NTwain.Values;
+using System.Runtime.Serialization;
+
+namespace NTwain.Tests
+{
+	/// <summary>
+	///This is a test class for TwainStateException and is intended
+	///to contain all TwainStateExceptionTest Unit Tests
+	///</summary>
+	[TestClass]
+	public class TwainStateExceptionTest
+	{
+		/// <summary>
+		///A test for TwainStateException Constructor
+		///</summary>
+		[TestMethod]
+		public void Constructor_Sets_Correct_Properties()
+		{
+            // just some non-default values to test
+			int state = 3;
+            int minState = 4;
+            int maxState = 5;
+            DataGroups dataGroup = DataGroups.Control;
+            DataArgumentType argumentType = DataArgumentType.AudioNativeXfer;
+            Message twainMessage = Message.Copy;
+            string message = "THIS IS A TEST.";
+
+			TwainStateException target = new TwainStateException(state, minState, maxState, dataGroup, argumentType, twainMessage, message);
+
+            Assert.AreEqual(state, target.ActualState, "State mismatch.");
+            Assert.AreEqual(minState, target.MinStateExpected, "Minimum mismatch.");
+            Assert.AreEqual(maxState, target.MaxStateExpected, "Maximum mismatch.");
+            Assert.AreEqual(dataGroup, target.DataGroup, "DataGroup mismatch.");
+            Assert.AreEqual(argumentType, target.ArgumentType, "ArgumentType mismatch.");
+            Assert.AreEqual(twainMessage, target.TwainMessage, "TwainMessage mismatch.");
+            Assert.AreEqual(message, target.Message, "Message mismatch.");
+		}
+
+    }
+}