public void ExpandPropertiesIntoProjectPropertyInstances()
{
ProjectInstance project = ProjectHelpers.CreateEmptyProjectInstance();
PropertyDictionary<ProjectPropertyInstance> pg = new PropertyDictionary<ProjectPropertyInstance>();
pg.Set(ProjectPropertyInstance.Create("a", "aaa"));
pg.Set(ProjectPropertyInstance.Create("b", "bbb"));
pg.Set(ProjectPropertyInstance.Create("c", "cc;dd"));
Expander<ProjectPropertyInstance, ProjectItemInstance> expander = new Expander<ProjectPropertyInstance, ProjectItemInstance>(pg);
ProjectItemInstanceFactory itemFactory = new ProjectItemInstanceFactory(project, "i");
IList<ProjectItemInstance> itemsOut = expander.ExpandIntoItemsLeaveEscaped("foo$(a);$(b);$(c);$(d", itemFactory, ExpanderOptions.ExpandProperties, MockElementLocation.Instance);
Assert.Equal(5, itemsOut.Count);
}