public void CanConvertToFromFeature()
{
Feature feature1 = new Feature();
feature1.Add(0, 0);
feature1.Add(1, 0);
feature1.Add(2, 0);
FeatureAsset featureAsset1 = FeatureAsset.FromFeature(feature1);
Feature testFeature1 = featureAsset1.ToFeature();
// Basic test. All input positions should be present in output
Assert.Contains(new Vector2Int(0, 0), testFeature1.Elements.Keys);
Assert.Contains(new Vector2Int(1, 0), testFeature1.Elements.Keys);
Assert.Contains(new Vector2Int(2, 0), testFeature1.Elements.Keys);
// Basic test. Ensure bounds are unchanged
Assert.AreEqual(feature1.MaxX, testFeature1.MaxX);
Assert.AreEqual(feature1.MaxY, testFeature1.MaxY);
Assert.AreEqual(feature1.MinX, testFeature1.MinX);
Assert.AreEqual(feature1.MinY, testFeature1.MinY);
// Harder test. Conversion of Feature -> FeatureAsset -> Feature does not obey identity property.
// All connections at the end will be present in the original, but additionally,
// they will be restricted based on FeatureAsset retention rules.
//
// Thus, we test FeatureAsset retention rules separately, and ensure that
// FeatureAfter.connections & FeatureBefore.connections == FeatureAfter.connections
// to be sure that no connections are ever dropped.
foreach (KeyValuePair <Vector2Int, Labrys.Generation.Section> kvp in testFeature1.Elements)
{
Labrys.Generation.Section orig = feature1.Elements[kvp.Key];
Labrys.Generation.Section conv = kvp.Value;
// Some connections may be lost. Ensure no new ones are added.
Assert.AreEqual(orig.externalConnections & conv.externalConnections, conv.externalConnections);
Assert.AreEqual(orig.internalConnections & conv.internalConnections, conv.internalConnections);
// Make sure variants are unchanged.
Assert.AreEqual(orig.GetVariant(), conv.GetVariant());
}
}