public void Attach_ValidPointerWorks()
{
var expected = AllocateMemory(10);
//Act
using (var target = new SafeBStrHandle())
{
target.Attach(expected);
//Assert
target.Pointer.Should().Be(expected);
target.IsInvalid.Should().BeFalse();
};
}
public void Dispose_AttachedPointerWorks()
{
var ptr = AllocateMemory(10);
//Act
var target = new SafeBStrHandle();
target.Attach(ptr);
target.Dispose();
//Assert - doesn't really confirm the memory was released
target.Pointer.Should().BeZero();
target.IsInvalid.Should().BeTrue();
}
public void Attach_NullPointerWorks()
{
var original = AllocateMemory(10);
//Act
using (var target = new SafeBStrHandle(original))
{
target.Attach(IntPtr.Zero);
//Assert
target.Pointer.Should().BeZero();
target.IsInvalid.Should().BeTrue();
};
}
public void Attach_ZeroFreeMemory()
{
var ptr = Marshal.StringToBSTR("Hello");
var expected = new byte[10];
var target = new SafeBStrHandle();
//Act
target.Attach(ptr, true);
target.Close();
var actual = new byte[10];
Marshal.Copy(ptr, actual, 0, actual.Length);
//Assert
actual.Should().ContainInOrder(expected);
}
