Fixed sanity check for compile order if just a single file is used.

Author: Paebbels

pyVHDLModel/__init__.py

@@ -1163,7 +1163,7 @@ def predicate(edge: Edge) -> bool:
 			e["kind"] = DependencyGraphEdgeKind.CompileOrder
 
 	def IterateDocumentsInCompileOrder(self) -> Generator['Document', None, None]:
-		if self._compileOrderGraph.EdgeCount == 0:
+		if self._compileOrderGraph.EdgeCount < self._compileOrderGraph.VertexCount - 1:
 			raise VHDLModelException(f"Compile order is not yet computed from dependency graph.")
 
 		for compileOrderNode in self._compileOrderGraph.IterateTopologically():

tests/unit/Analyze.py

@@ -50,7 +50,7 @@
 
 class VHDLLibrary(TestCase):
 	def CreateDesign(self) -> Design:
-		design = Design()
+		design = Design("example")
 		library = design.GetLibrary("lib_1")
 
 		path = Path("tests.vhdl")