public void AccessAcquiresResourceOnlyOnce()
{
var resource = new MockResource();
var handle = new SharedHandle <MockResource>(() => resource);
handle.Access();
handle.Access();
Assert.AreEqual(1, resource.AcquireCalls);
}
public void TokenDisposeDoesNotReleaseResourceIfTokensLeft()
{
var resource = new MockResource();
var handle = new SharedHandle <MockResource>(() => resource);
var first = handle.Access();
var _ = handle.Access();
first.Dispose();
Assert.AreEqual(0, resource.ReleaseCalls);
}
public void ResourceIsReacquiredAfterIsWasReleased()
{
var resource = new MockResource();
var handle = new SharedHandle <MockResource>(() => resource);
//This acquires the resource
var first = handle.Access();
//This releases the resource
first.Dispose();
//This should now reacquire the resource
first = handle.Access();
Assert.AreEqual(2, resource.AcquireCalls);
}
public void ResourceAccessOnTokenThrowsIfTokenIsDisposed()
{
var handle = new SharedHandle <MockResource>(new MockResource());
var token = handle.Access();
token.Dispose();
Assert.Throws <ObjectDisposedException>(() =>
{
var _ = token.Resource;
});
}
public void AccessCreatesAndAcquiredResource()
{
var resource = new MockResource();
var handle = new SharedHandle <MockResource>(resource);
var _ = handle.Access();
Assert.Multiple(() =>
{
Assert.AreEqual(1, handle.Tokens);
Assert.AreEqual(1, resource.AcquireCalls);
});
}
public void LastTokenReleasesResource()
{
var resource = new MockResource();
var handle = new SharedHandle <MockResource>(resource);
var token = handle.Access();
token.Dispose();
Assert.Multiple(() =>
{
Assert.AreEqual(1, resource.ReleaseCalls);
Assert.AreEqual(0, handle.Tokens);
});
}
