public void Constructor_doesnt_run_initializer()
{
var initialized = false;
var _ = new LazyEnumerator <object>(
() =>
{
initialized = true;
return(null);
});
Assert.False(initialized);
}
public void Reset_doesnt_run_initializer()
{
var initialized = false;
var enumerator = new LazyEnumerator <object>(
() =>
{
initialized = true;
return(new Mock <ObjectResult <object> >().Object);
});
enumerator.Reset();
Assert.False(initialized);
}
public void MoveNext_runs_initializer()
{
var mockShaper = Core.Objects.MockHelper.CreateShaperMock <int>();
mockShaper.Setup(m => m.GetEnumerator()).Returns(
() => new DbEnumeratorShim <int>(Enumerable.Range(1, 1).GetEnumerator()));
var mockObjectResult = new Mock <ObjectResult <int> >(mockShaper.Object, null, null)
{
CallBase = true
};
var initialized = false;
var enumerator = new LazyEnumerator <int>(
() =>
{
initialized = true;
return(mockObjectResult.Object);
});
Assert.True(enumerator.MoveNext());
Assert.True(initialized);
Assert.Equal(1, enumerator.Current);
}
