public void BasicProxying()
{
BuildItemGroup ig = new BuildItemGroup();
BuildItem i1 = new BuildItem("name1", "value1");
i1.SetMetadata("myMetaName", "myMetaValue");
BuildItem i2 = new BuildItem("name2", "value2");
ig.AddItem(i1);
ig.AddItem(i2);
BuildItemGroupProxy proxy = new BuildItemGroupProxy(ig);
// Gather everything into our own table
Hashtable list = new Hashtable(StringComparer.OrdinalIgnoreCase);
foreach (DictionaryEntry item in proxy)
{
list.Add(item.Key, item.Value);
}
// Check we got all the items
Assertion.AssertEquals(2, list.Count);
Assertion.AssertEquals("value1", ((TaskItem)list["name1"]).ItemSpec);
Assertion.AssertEquals("value2", ((TaskItem)list["name2"]).ItemSpec);
// Check they have all their metadata
int builtInMetadata = FileUtilities.ItemSpecModifiers.All.Length;
Assertion.AssertEquals(1 + builtInMetadata, ((TaskItem)list["name1"]).MetadataCount);
Assertion.AssertEquals(0 + builtInMetadata, ((TaskItem)list["name2"]).MetadataCount);
Assertion.AssertEquals("myMetaValue", ((TaskItem)list["name1"]).GetMetadata("myMetaName"));
}
public void CantModifyThroughEnumerator()
{
BuildItemGroup ig = new BuildItemGroup();
BuildItem i1 = new BuildItem("name1", "value1");
i1.SetMetadata("myMetaName", "myMetaValue");
ig.AddItem(i1);
BuildItemGroupProxy proxy = new BuildItemGroupProxy(ig);
Hashtable list = new Hashtable(StringComparer.OrdinalIgnoreCase);
foreach (DictionaryEntry item in proxy)
{
list.Add(item.Key, item.Value);
}
// Change the item
Assertion.AssertEquals("value1", ((TaskItem)list["name1"]).ItemSpec);
((TaskItem)list["name1"]).ItemSpec = "newItemSpec";
((TaskItem)list["name1"]).SetMetadata("newMetadata", "newMetadataValue");
// We did change our copy
Assertion.AssertEquals("newItemSpec", ((TaskItem)list["name1"]).ItemSpec);
Assertion.AssertEquals("newMetadataValue", ((TaskItem)list["name1"]).GetMetadata("newMetadata"));
Assertion.AssertEquals("myMetaValue", ((TaskItem)list["name1"]).GetMetadata("myMetaName"));
// But get the item again
list = new Hashtable(StringComparer.OrdinalIgnoreCase);
foreach (DictionaryEntry item in proxy)
{
list.Add(item.Key, item.Value);
}
// Item value and metadata hasn't changed
Assertion.AssertEquals("value1", ((TaskItem)list["name1"]).ItemSpec);
Assertion.AssertEquals("", ((TaskItem)list["name1"]).GetMetadata("newMetadata"));
Assertion.AssertEquals("myMetaValue", ((TaskItem)list["name1"]).GetMetadata("myMetaName"));
}
