public static void UmaInvalidReadWrite()
{
const int capacity = 99;
FakeSafeBuffer sbuf = new FakeSafeBuffer((ulong)capacity);
using (var uma = new UnmanagedMemoryAccessor(sbuf, 0, capacity, FileAccess.ReadWrite))
{
Assert.Throws <ArgumentOutOfRangeException>(() => uma.ReadChar(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => uma.ReadDecimal(capacity));
Assert.Throws <ArgumentException>(() => uma.ReadSingle(capacity - 1));
Assert.Throws <ArgumentOutOfRangeException>(() => uma.Write(-1, true));
Assert.Throws <ArgumentOutOfRangeException>(() => uma.Write(capacity, 12345));
Assert.Throws <ArgumentException>(() => uma.Write(capacity - 1, 0.123));
uma.Dispose();
Assert.Throws <ObjectDisposedException>(() => uma.ReadByte(0));
Assert.Throws <ObjectDisposedException>(() => uma.Write(0, (byte)123));
}
using (var uma = new UnmanagedMemoryAccessor(sbuf, 0, capacity, FileAccess.Write))
{
Assert.Throws <NotSupportedException>(() => uma.ReadInt16(0));
}
using (var uma = new UnmanagedMemoryAccessor(sbuf, 0, capacity, FileAccess.Read))
{
Assert.Throws <NotSupportedException>(() => uma.Write(0, (int)123));
}
}
public static void UmaInvalidReadWrite()
{
const int capacity = 99;
FakeSafeBuffer sbuf = new FakeSafeBuffer((ulong)capacity);
using (var uma = new UnmanagedMemoryAccessor(sbuf, 0, capacity, FileAccess.ReadWrite))
{
Assert.Throws<ArgumentOutOfRangeException>(() => uma.ReadChar(-1));
Assert.Throws<ArgumentOutOfRangeException>(() => uma.ReadDecimal(capacity));
Assert.Throws<ArgumentException>(() => uma.ReadSingle(capacity - 1));
Assert.Throws<ArgumentOutOfRangeException>(() => uma.Write(-1, true));
Assert.Throws<ArgumentOutOfRangeException>(() => uma.Write(capacity, 12345));
Assert.Throws<ArgumentException>(() => uma.Write(capacity - 1, 0.123));
uma.Dispose();
Assert.Throws<ObjectDisposedException>(() => uma.ReadByte(0));
Assert.Throws<ObjectDisposedException>(() => uma.Write(0, (byte)123));
}
using (var uma = new UnmanagedMemoryAccessor(sbuf, 0, capacity, FileAccess.Write))
{
Assert.Throws<NotSupportedException>(() => uma.ReadInt16(0));
}
using (var uma = new UnmanagedMemoryAccessor(sbuf, 0, capacity, FileAccess.Read))
{
Assert.Throws<NotSupportedException>(() => uma.Write(0, (int)123));
}
}
public static void UmaCtors()
{
using (FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99))
using (var uma = new UnmanagedMemoryAccessor(fakeBuffer, 0, 0))
{
Assert.True(uma.CanRead);
Assert.False(uma.CanWrite);
Assert.Equal(0, uma.Capacity);
}
}
public static void UmaCtors()
{
using (FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99))
using (var uma = new UnmanagedMemoryAccessor(fakeBuffer, 0, 0))
{
Assert.True(uma.CanRead);
Assert.False(uma.CanWrite);
Assert.Equal(0, uma.Capacity);
}
}
public static void UmaCtorsThatFail()
{
FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99);
FakeSafeBuffer nullBuffer = null;
Assert.Throws <ArgumentNullException>(() => new UnmanagedMemoryAccessor(nullBuffer, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 2, -1));
Assert.Throws <ArgumentOutOfRangeException>(() => new UnmanagedMemoryAccessor(fakeBuffer, -1, 1));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 2, 999));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 999, 9));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 1, 100));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, Int32.MaxValue, 1));
}
public static void UmaCtorsThatFail()
{
FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99);
FakeSafeBuffer nullBuffer = null;
Assert.Throws<ArgumentNullException>(() => new UnmanagedMemoryAccessor(nullBuffer, 0, 0));
Assert.Throws<ArgumentOutOfRangeException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 2, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => new UnmanagedMemoryAccessor(fakeBuffer, -1, 1));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 2, 999));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 999, 9));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, 1, 100));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryAccessor(fakeBuffer, Int32.MaxValue, 1));
}
public static unsafe void CtorsThatFail()
{
Assert.Throws<ArgumentNullException>(() => { var ums = new UnmanagedMemoryStream(null, 0); });
TestSafeBuffer nullBuffer = null;
FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99);
Assert.Throws<ArgumentNullException>(() => new UnmanagedMemoryStream(nullBuffer, 0, 1));
Assert.Throws<ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, 2, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, -1, 1));
Assert.Throws<ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, 1, 2, (FileAccess)(-1)));
Assert.Throws<ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, 1, 2, (FileAccess)42));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, 2, 999));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, 999, 9));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, 1, 100));
Assert.Throws<ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, Int32.MaxValue, 1));
}
public static unsafe void CtorsThatFail()
{
Assert.Throws <ArgumentNullException>(() => { var ums = new UnmanagedMemoryStream(null, 0); });
TestSafeBuffer nullBuffer = null;
FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99);
Assert.Throws <ArgumentNullException>(() => new UnmanagedMemoryStream(nullBuffer, 0, 1));
Assert.Throws <ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, 2, -1));
Assert.Throws <ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, -1, 1));
Assert.Throws <ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, 1, 2, (FileAccess)(-1)));
Assert.Throws <ArgumentOutOfRangeException>(() => new UnmanagedMemoryStream(fakeBuffer, 1, 2, (FileAccess)42));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, 2, 999));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, 999, 9));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, 1, 100));
Assert.Throws <ArgumentException>(() => new UnmanagedMemoryStream(fakeBuffer, Int32.MaxValue, 1));
}
public static void UmaCtors()
{
using (FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99))
using (var uma = new UnmanagedMemoryAccessor(fakeBuffer, 0, 0))
{
Assert.True(uma.CanRead);
Assert.False(uma.CanWrite);
Assert.Equal(0, uma.Capacity);
}
using (FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99))
using (var duma = new DerivedUnmanagedMemoryAccessor())
{
Assert.False(duma.CanRead);
Assert.False(duma.CanWrite);
Assert.Equal(0, duma.Capacity);
Assert.False(duma.IsOpen);
duma.Initialize(fakeBuffer, 0, (long)fakeBuffer.ByteLength, FileAccess.ReadWrite);
Assert.True(duma.IsOpen);
Assert.Throws <InvalidOperationException>(() => duma.Initialize(fakeBuffer, 0, (long)fakeBuffer.ByteLength, FileAccess.ReadWrite));
}
}
public static void UmaCtors()
{
using (FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99))
using (var uma = new UnmanagedMemoryAccessor(fakeBuffer, 0, 0))
{
Assert.True(uma.CanRead);
Assert.False(uma.CanWrite);
Assert.Equal(0, uma.Capacity);
}
using (FakeSafeBuffer fakeBuffer = new FakeSafeBuffer(99))
using (var duma = new DerivedUnmanagedMemoryAccessor())
{
Assert.False(duma.CanRead);
Assert.False(duma.CanWrite);
Assert.Equal(0, duma.Capacity);
Assert.False(duma.IsOpen);
duma.Initialize(fakeBuffer, 0, (long)fakeBuffer.ByteLength, FileAccess.ReadWrite);
Assert.True(duma.IsOpen);
Assert.Throws<InvalidOperationException>(() => duma.Initialize(fakeBuffer, 0, (long)fakeBuffer.ByteLength, FileAccess.ReadWrite));
}
}
public static unsafe void BufferCtor()
{
const int length = 99;
using (FakeSafeBuffer buffer = new FakeSafeBuffer(length))
using (var stream = new DerivedUnmanagedMemoryStream(buffer, length, FileAccess.Read))
{
Assert.True(stream.CanRead);
Assert.True(stream.CanSeek);
Assert.False(stream.CanWrite);
Assert.Equal(length, stream.Length);
Assert.Equal(length, stream.Capacity);
Assert.Equal(0, stream.Position);
}
using (FakeSafeBuffer buffer = new FakeSafeBuffer(length))
using (var stream = new DerivedUnmanagedMemoryStream())
{
Assert.False(stream.CanRead);
Assert.False(stream.CanSeek);
Assert.False(stream.CanWrite);
stream.Initialize(buffer, 0, length, FileAccess.Write);
Assert.Throws <InvalidOperationException>(() => stream.Initialize(buffer, 0, length, FileAccess.Write));
Assert.False(stream.CanRead);
Assert.True(stream.CanSeek);
Assert.True(stream.CanWrite);
Assert.Equal(length, stream.Length);
Assert.Equal(length, stream.Capacity);
Assert.Equal(0, stream.Position);
Assert.Throws <NotSupportedException>(() => stream.SetLength(1));
}
}
internal void Initialize(FakeSafeBuffer buffer, long offset, long capacity, FileAccess access)
{
base.Initialize(buffer, offset, capacity, access);
}
internal DerivedUnmanagedMemoryStream(FakeSafeBuffer buffer, long length, FileAccess access) : base(buffer, 0, length, access)
{
}
public static unsafe void BufferCtor()
{
const int length = 99;
using (FakeSafeBuffer buffer = new FakeSafeBuffer(length))
using (var stream = new DerivedUnmanagedMemoryStream(buffer, length, FileAccess.Read))
{
Assert.True(stream.CanRead);
Assert.True(stream.CanSeek);
Assert.False(stream.CanWrite);
Assert.Equal(length, stream.Length);
Assert.Equal(length, stream.Capacity);
Assert.Equal(0, stream.Position);
}
using (FakeSafeBuffer buffer = new FakeSafeBuffer(length))
using (var stream = new DerivedUnmanagedMemoryStream())
{
Assert.False(stream.CanRead);
Assert.False(stream.CanSeek);
Assert.False(stream.CanWrite);
stream.Initialize(buffer, 0, length, FileAccess.Write);
Assert.Throws<InvalidOperationException>(() => stream.Initialize(buffer, 0, length, FileAccess.Write));
Assert.False(stream.CanRead);
Assert.True(stream.CanSeek);
Assert.True(stream.CanWrite);
Assert.Equal(length, stream.Length);
Assert.Equal(length, stream.Capacity);
Assert.Equal(0, stream.Position);
Assert.Throws<NotSupportedException>(() => stream.SetLength(1));
}
}
internal void Initialize(FakeSafeBuffer buffer, long offset, long capacity, FileAccess access)
{
base.Initialize(buffer, offset, capacity, access);
}
internal DerivedUnmanagedMemoryStream(FakeSafeBuffer buffer, long length, FileAccess access) : base(buffer, 0, length, access)
{
}
