|
public OpenInput ( string name, |
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| name | string | |
| context | ||
| return | ||
public virtual void TestCloneClose()
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testCloneClose"));
IndexOutput io = mmapDir.CreateOutput("bytes", NewIOContext(Random()));
io.WriteVInt32(5);
io.Dispose();
IndexInput one = mmapDir.OpenInput("bytes", IOContext.DEFAULT);
IndexInput two = (IndexInput)one.Clone();
IndexInput three = (IndexInput)two.Clone(); // clone of clone
two.Dispose();
Assert.AreEqual(5, one.ReadVInt32());
try
{
two.ReadVInt32();
Assert.Fail("Must throw ObjectDisposedException");
}
#pragma warning disable 168
catch (ObjectDisposedException ignore)
#pragma warning restore 168
{
// pass
}
Assert.AreEqual(5, three.ReadVInt32());
one.Dispose();
three.Dispose();
mmapDir.Dispose();
}
public virtual void TestSlicedSeeking()
{
for (int i = 0; i < 10; i++)
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testSlicedSeeking"), null, 1 << i);
IndexOutput io = mmapDir.CreateOutput("bytes", NewIOContext(Random()));
var bytes = new byte[1 << (i + 1)]; // make sure we switch buffers
Random().NextBytes(bytes);
io.WriteBytes(bytes, bytes.Length);
io.Dispose();
IndexInput ii = mmapDir.OpenInput("bytes", NewIOContext(Random()));
var actual = new byte[1 << (i + 1)]; // first read all bytes
ii.ReadBytes(actual, 0, actual.Length);
ii.Dispose();
Assert.AreEqual(new BytesRef(bytes), new BytesRef(actual));
IndexInputSlicer slicer = mmapDir.CreateSlicer("bytes", NewIOContext(Random()));
for (int sliceStart = 0; sliceStart < bytes.Length; sliceStart++)
{
for (int sliceLength = 0; sliceLength < bytes.Length - sliceStart; sliceLength++)
{
var slice = new byte[sliceLength];
IndexInput input = slicer.OpenSlice("bytesSlice", sliceStart, slice.Length);
input.ReadBytes(slice, 0, slice.Length);
input.Dispose();
Assert.AreEqual(new BytesRef(bytes, sliceStart, sliceLength), new BytesRef(slice));
}
}
slicer.Dispose();
mmapDir.Dispose();
}
}
public virtual void TestCloneClose()
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testCloneClose"));
IndexOutput io = mmapDir.CreateOutput("bytes", NewIOContext(Random()));
io.WriteVInt(5);
io.Dispose();
IndexInput one = mmapDir.OpenInput("bytes", IOContext.DEFAULT);
IndexInput two = (IndexInput)one.Clone();
IndexInput three = (IndexInput)two.Clone(); // clone of clone
two.Dispose();
Assert.AreEqual(5, one.ReadVInt());
try
{
two.ReadVInt();
Assert.Fail("Must throw AlreadyClosedException");
}
catch (AlreadyClosedException ignore)
{
// pass
}
Assert.AreEqual(5, three.ReadVInt());
one.Dispose();
three.Dispose();
mmapDir.Dispose();
}
public virtual void TestSeekZero()
{
for (int i = 0; i < 31; i++)
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testSeekZero"), null, 1 << i);
IndexOutput io = mmapDir.CreateOutput("zeroBytes", NewIOContext(Random()));
io.Dispose();
IndexInput ii = mmapDir.OpenInput("zeroBytes", NewIOContext(Random()));
ii.Seek(0L);
ii.Dispose();
mmapDir.Dispose();
}
}
public virtual void TestCloneSafety()
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testCloneSafety"));
IndexOutput io = mmapDir.CreateOutput("bytes", NewIOContext(Random()));
io.WriteVInt(5);
io.Dispose();
IndexInput one = mmapDir.OpenInput("bytes", IOContext.DEFAULT);
IndexInput two = (IndexInput)one.Clone();
IndexInput three = (IndexInput)two.Clone(); // clone of clone
one.Dispose();
try
{
one.ReadVInt();
Assert.Fail("Must throw AlreadyClosedException");
}
catch (AlreadyClosedException ignore)
{
// pass
}
try
{
two.ReadVInt();
Assert.Fail("Must throw AlreadyClosedException");
}
catch (AlreadyClosedException ignore)
{
// pass
}
try
{
three.ReadVInt();
Assert.Fail("Must throw AlreadyClosedException");
}
catch (AlreadyClosedException ignore)
{
// pass
}
two.Dispose();
three.Dispose();
// test double close of master:
one.Dispose();
mmapDir.Dispose();
}
public void TestDisposeIndexInput()
{
string name = "foobar";
var dir = CreateTempDir("testDisposeIndexInput");
string fileName = Path.Combine(dir.FullName, name);
// Create a zero byte file, and close it immediately
File.WriteAllText(fileName, string.Empty, new UTF8Encoding(encoderShouldEmitUTF8Identifier: false) /* No BOM */);
MMapDirectory mmapDir = new MMapDirectory(dir);
using (var indexInput = mmapDir.OpenInput(name, NewIOContext(Random())))
{
} // Dispose
// Now it should be possible to delete the file. This is the condition we are testing for.
File.Delete(fileName);
}
public virtual void TestSeekEnd()
{
for (int i = 0; i < 17; i++)
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testSeekEnd"), null, 1 << i);
IndexOutput io = mmapDir.CreateOutput("bytes", NewIOContext(Random()));
var bytes = new byte[1 << i];
Random().NextBytes(bytes);
io.WriteBytes(bytes, bytes.Length);
io.Dispose();
IndexInput ii = mmapDir.OpenInput("bytes", NewIOContext(Random()));
var actual = new byte[1 << i];
ii.ReadBytes(actual, 0, actual.Length);
Assert.AreEqual(new BytesRef(bytes), new BytesRef(actual));
ii.Seek(1 << i);
ii.Dispose();
mmapDir.Dispose();
}
}
public virtual void TestSlicedSeeking()
{
for (int i = 0; i < 10; i++)
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testSlicedSeeking"), null, 1 << i);
IndexOutput io = mmapDir.CreateOutput("bytes", NewIOContext(Random()));
var bytes = new byte[1 << (i + 1)]; // make sure we switch buffers
Random().NextBytes(bytes);
io.WriteBytes(bytes, bytes.Length);
io.Dispose();
IndexInput ii = mmapDir.OpenInput("bytes", NewIOContext(Random()));
var actual = new byte[1 << (i + 1)]; // first read all bytes
ii.ReadBytes(actual, 0, actual.Length);
ii.Dispose();
Assert.AreEqual(new BytesRef(bytes), new BytesRef(actual));
IndexInputSlicer slicer = mmapDir.CreateSlicer("bytes", NewIOContext(Random()));
for (int sliceStart = 0; sliceStart < bytes.Length; sliceStart++)
{
for (int sliceLength = 0; sliceLength < bytes.Length - sliceStart; sliceLength++)
{
var slice = new byte[sliceLength];
IndexInput input = slicer.OpenSlice("bytesSlice", sliceStart, slice.Length);
input.ReadBytes(slice, 0, slice.Length);
input.Dispose();
Assert.AreEqual(new BytesRef(bytes, sliceStart, sliceLength), new BytesRef(slice));
}
}
slicer.Dispose();
mmapDir.Dispose();
}
}
public virtual void TestSeekZero()
{
for (int i = 0; i < 31; i++)
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testSeekZero"), null, 1 << i);
IndexOutput io = mmapDir.CreateOutput("zeroBytes", NewIOContext(Random()));
io.Dispose();
IndexInput ii = mmapDir.OpenInput("zeroBytes", NewIOContext(Random()));
ii.Seek(0L);
ii.Dispose();
mmapDir.Dispose();
}
}
public virtual void TestSeekEnd()
{
for (int i = 0; i < 17; i++)
{
MMapDirectory mmapDir = new MMapDirectory(CreateTempDir("testSeekEnd"), null, 1 << i);
IndexOutput io = mmapDir.CreateOutput("bytes", NewIOContext(Random()));
var bytes = new byte[1 << i];
Random().NextBytes((byte[])(Array)bytes);
io.WriteBytes(bytes, bytes.Length);
io.Dispose();
IndexInput ii = mmapDir.OpenInput("bytes", NewIOContext(Random()));
var actual = new byte[1 << i];
ii.ReadBytes(actual, 0, actual.Length);
Assert.AreEqual(new BytesRef(bytes), new BytesRef(actual));
ii.Seek(1 << i);
ii.Dispose();
mmapDir.Dispose();
}
}
