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using System;
using System.IO;
using System.IO.Packaging;
using NUnit.Framework;
namespace System.IO.Packaging.Tests
{
[TestFixture]
public class PackagePartFileTests
{
string path;
[SetUp]
public void Setup()
{
path = Path.GetTempFileName();
Package.Open(path, FileMode.Create).Close();
}
[TearDown]
public void Teardown()
{
File.Delete(path);
}
[Test]
public void TestFileMode ()
{
Uri uri =new Uri("/somepart.xml", UriKind.Relative);
FileMode[] modes = { FileMode.Open, FileMode.OpenOrCreate, FileMode.Create };
using (Package package = Package.Open(path))
{
PackagePart part;
foreach (FileMode mode in modes)
{
part = package.CreatePart(uri, "application/xml");
part.GetStream(mode, FileAccess.Write);
package.DeletePart(uri);
}
part = package.CreatePart(uri, "application/xml");
foreach (FileMode mode in modes)
part.GetStream(mode, FileAccess.Write);
}
}
[Test]
public void TestFileMode2()
{
Uri uri = new Uri("/somepart.xml", UriKind.Relative);
FileMode[] modes = { FileMode.Create, FileMode.CreateNew, FileMode.Truncate, FileMode.Append };
FileMode[] otherModes = { FileMode.Open, FileMode.OpenOrCreate };
using (Package package = Package.Open(path))
{
PackagePart part = package.CreatePart(uri, "application/xml");
foreach (FileMode mode in modes)
{
try
{
part.GetStream(mode, FileAccess.Read);
throw new Exception (string.Format ("Should not be able to open with: {0}", mode));
}
catch (IOException)
{
// This should be thrown
}
}
foreach (FileMode mode in otherModes)
{
Stream s = part.GetStream(mode, FileAccess.Read);
Assert.IsTrue(s.CanRead);
Assert.IsFalse(s.CanWrite);
}
}
}
[Test]
[ExpectedException(typeof(ArgumentException))]
public void CreateNewPackagePart()
{
using (Package package = Package.Open(path))
{
PackagePart part = package.CreatePart(new Uri("/somepart.xml", UriKind.Relative), "application/xml");
// CreateNew is not supported
part.GetStream(FileMode.CreateNew, FileAccess.Write);
}
}
[Test]
[ExpectedException(typeof(ArgumentException))]
public void TruncatePackagePart()
{
using (Package package = Package.Open(path))
{
PackagePart part = package.CreatePart(new Uri("/somepart.xml", UriKind.Relative), "application/xml");
// CreateNew is not supported
part.GetStream(FileMode.Truncate, FileAccess.Write);
}
}
[Test]
[ExpectedException(typeof(ArgumentException))]
public void AppendPackagePart()
{
using (Package package = Package.Open(path))
{
PackagePart part = package.CreatePart(new Uri("/somepart.xml", UriKind.Relative), "application/xml");
// CreateNew is not supported
part.GetStream(FileMode.Append, FileAccess.Write);
}
}
[Test]
public void TestOverwrite()
{
using (Package package = Package.Open(path))
{
PackagePart part = package.CreatePart(new Uri("/Uri.xml", UriKind.Relative), "content/type");
Stream s = part.GetStream(FileMode.OpenOrCreate, FileAccess.Write);
StreamWriter sw = new StreamWriter(s);
sw.Write("<test>aaaaaaa</test>");
sw.Flush();
Stream s5 = part.GetStream(FileMode.Create, FileAccess.ReadWrite);
StreamWriter sw2 = new StreamWriter(s5);
sw2.Write("<test>bbb</test>");
sw2.Flush();
// Verify that the part got overwritten correctly.
Stream s6 = part.GetStream();
StreamReader sr = new StreamReader(s6);
Assert.AreEqual("<test>bbb</test>", sr.ReadToEnd());
}
}
}
}
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