[set_dead / skip_geometry] Improve dead pathers so more "broken" layouts can be successfully executed

masque/test/test_renderpather.py

@@ -73,3 +73,23 @@ def test_renderpather_retool(rpather_setup: tuple[RenderPather, PathTool, Librar
     # Different tools should cause different batches/shapes
     assert len(rp.pattern.shapes[(1, 0)]) == 1
     assert len(rp.pattern.shapes[(2, 0)]) == 1
+
+
+def test_renderpather_dead_ports() -> None:
+    lib = Library()
+    tool = PathTool(layer=(1, 0), width=1)
+    rp = RenderPather(lib, ports={"in": Port((0, 0), 0)}, tools=tool)
+    rp.set_dead()
+
+    # Impossible path
+    rp.path("in", None, -10)
+
+    # port_rot=0, forward is -x. path(-10) means moving -10 in -x direction -> +10 in x.
+    assert_allclose(rp.ports["in"].offset, [10, 0], atol=1e-10)
+
+    # Verify no render steps were added
+    assert len(rp.paths["in"]) == 0
+
+    # Verify no geometry
+    rp.render()
+    assert not rp.pattern.has_shapes()