Merge pull request #877 from KLayout/drc-extent-of-cells

Implemented extent(cell_filter) for DRC, added Layout#cells with name…

testdata/drc/drcSimpleTests_52.drc

@@ -0,0 +1,14 @@
+
+source $drc_test_source
+target $drc_test_target
+
+extent.output(2000)
+extent("PMOS*").output(2001)
+extent("NMOS*").output(2002)
+
+deep
+
+extent.output(2100)
+extent("PMOS*").output(2101)
+extent("NMOS*").output(2102)
+

testdata/drc/drcSimpleTests_53.drc

@@ -0,0 +1,16 @@
+
+source $drc_test_source
+target $drc_test_target
+
+clip(7.0, -1.0, 15.0, 10.0)
+
+extent.output(2000)
+extent("PMOS*").output(2001)
+extent("NMOS*").output(2002)
+
+deep
+
+extent.output(2100)
+extent("PMOS*").output(2101)
+extent("NMOS*").output(2102)
+

testdata/ruby/dbLayoutTest.rb

@@ -79,6 +79,7 @@ class DBLayout_TestClass < TestBase
     assert_equal( ly.cell_name(ci), "new_cell" )
 
     assert_equal( ly.cell_by_name("new_cell"), ci )
+    assert_equal( ly.cells("A*"), [] )
     assert_equal( ly.cell("new_cell").name, "new_cell" )
     assert_equal( ly.cell("x").inspect, "nil" )
 
@@ -1175,6 +1176,23 @@ class DBLayout_TestClass < TestBase
 
   end
 
+  # Layout#cells
+  def test_15
+
+    g = RBA::Layout::new
+    c1 = g.create_cell("B1")
+    c2 = g.create_cell("B2")
+    c0 = g.create_cell("A")
+    c0.insert(RBA::CellInstArray::new(c1.cell_index, RBA::Trans::new))
+    c0.insert(RBA::CellInstArray::new(c2.cell_index, RBA::Trans::new))
+
+    assert_equal(g.cells("B*").collect(&:name).join(","), "B1,B2")
+    assert_equal(g.cells("*").collect(&:name).join(","), "A,B1,B2")
+    assert_equal(g.cells("A").collect(&:name).join(","), "A")
+    assert_equal(g.cells("X").collect(&:name).join(","), "")
+
+  end
+
 end
 
 load("test_epilogue.rb")