RBA tests, reproducible order of edge events, all edges are reported - even those which do not have neighbors.

testdata/ruby/dbEdgeNeighborhood.rb

@@ -0,0 +1,114 @@
+# encoding: UTF-8
+
+# KLayout Layout Viewer
+# Copyright (C) 2006-2024 Matthias Koefferlein
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+if !$:.member?(File::dirname($0))
+  $:.push(File::dirname($0))
+end
+
+load("test_prologue.rb")
+
+class MyVisitor < RBA::EdgeNeighborhoodVisitor
+
+  def initialize
+    @log = ""
+  end
+
+  def log
+    @log
+  end
+
+  def begin_polygon(layout, cell, polygon)
+    output(polygon)
+    @log += "Polygon: #{polygon}\n"
+  end
+    
+  def end_polygon
+    @log += "/Polygon\n"
+  end
+    
+  def on_edge(layout, cell, edge, neighborhood)
+    @log += "edge = #{edge}\n"
+    neighborhood.each do |n|
+      x1, x2 = n[0]
+      polygons = n[1]
+      polygons.each do |inp, poly|
+        poly_str = poly.collect { |p| p.to_s }.join("/")
+        @log += "  #{x1},#{x2} -> #{inp}: #{poly_str}\n"
+      end
+    end
+  end
+
+end
+    
+class DBEdgeNeighborhood_TestClass < TestBase
+
+  def test_1
+
+    ly = RBA::Layout::new
+
+    l1 = ly.layer(1, 0)
+    cell = ly.create_cell("TOP")
+
+    cell.shapes(l1).insert(RBA::Box::new(0, 0, 1000, 1000))
+    cell.shapes(l1).insert(RBA::Box::new(-1100, 0, -100, 1000))
+
+    prim = RBA::Region::new(cell.begin_shapes_rec(l1))
+
+    visitor = MyVisitor::new
+
+    visitor.result_type = RBA::CompoundRegionOperationNode::ResultType::Region
+    assert_equal(visitor.result_type, RBA::CompoundRegionOperationNode::ResultType::Region)
+
+    bext = 0
+    eext = 0
+    din = 10
+    dout = 100
+
+    children = [
+      RBA::CompoundRegionOperationNode::new_foreign
+    ] 
+
+    node = RBA::CompoundRegionOperationNode::new_edge_neighborhood(children, visitor, bext, eext, din, dout)
+    res = prim.complex_op(node)
+
+    assert_equal(visitor.log, 
+      "Polygon: (0,0;0,1000;1000,1000;1000,0)\n" +
+      "edge = (0,0;0,1000)\n" +
+      "  0.0,1000.0 -> 0: (0,100;0,101;1000,101;1000,100)\n" +
+      "edge = (0,1000;1000,1000)\n" +
+      "edge = (1000,1000;1000,0)\n" +
+      "edge = (1000,0;0,0)\n" +
+      "/Polygon\n" +
+      "Polygon: (-1100,0;-1100,1000;-100,1000;-100,0)\n" +
+      "edge = (-1100,0;-1100,1000)\n" +
+      "edge = (-1100,1000;-100,1000)\n" +
+      "edge = (-100,1000;-100,0)\n" +
+      "  0.0,1000.0 -> 0: (0,100;0,101;1000,101;1000,100)\n" +
+      "edge = (-100,0;-1100,0)\n" +
+      "/Polygon\n"
+    )
+
+    assert_equal(res.to_s, "(-1100,0;-1100,1000;-100,1000;-100,0);(0,0;0,1000;1000,1000;1000,0)")
+
+  end
+
+end
+
+load("test_epilogue.rb")
+