diff --git a/src/db/unit_tests/dbRegionTests.cc b/src/db/unit_tests/dbRegionTests.cc
index 2056f924f..126dda6cc 100644
--- a/src/db/unit_tests/dbRegionTests.cc
+++ b/src/db/unit_tests/dbRegionTests.cc
@@ -2591,6 +2591,17 @@ TEST(60_sized_inside)
   EXPECT_EQ (r.sized_inside (inside, false, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
   EXPECT_EQ (r.sized_inside (inside, false, 10, 20, 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
 
+  db::Region d;
+  d = r;
+  d.size_inside (inside, false, 0, 20, 10);
+  EXPECT_EQ (d.to_string (), "(-10,10;-10,80;30,80;30,10)");
+  d = r;
+  d.size_inside (inside, false, 1, 2, 0);
+  EXPECT_EQ (d.to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  d = r;
+  d.size_inside (inside, false, 10, 20, 10);
+  EXPECT_EQ (d.to_string (), "(-10,10;-10,80;40,80;40,10)");
+
   EXPECT_EQ (r.sized_inside (db::Region (), false, 0, 40).to_string (), "");
   EXPECT_EQ (r.sized_inside (db::Region (), false, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
   EXPECT_EQ (r.sized_inside (db::Region (), false, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
diff --git a/src/drc/unit_tests/drcSimpleTests.cc b/src/drc/unit_tests/drcSimpleTests.cc
index 6cc8d2fb5..7f4dff7b7 100644
--- a/src/drc/unit_tests/drcSimpleTests.cc
+++ b/src/drc/unit_tests/drcSimpleTests.cc
@@ -1911,3 +1911,14 @@ TEST(121_ShapesOfTerminal)
 
   db::compare_layouts (_this, layout, au, db::NoNormalization);
 }
+
+TEST(130_size_inside_outside)
+{
+  run_test (_this, "130", false);
+}
+
+TEST(130d_size_inside_outside)
+{
+  run_test (_this, "130", true);
+}
+
diff --git a/testdata/drc/drcSimpleTests_130.drc b/testdata/drc/drcSimpleTests_130.drc
new file mode 100644
index 000000000..3d538f929
--- /dev/null
+++ b/testdata/drc/drcSimpleTests_130.drc
@@ -0,0 +1,54 @@
+
+source $drc_test_source
+target $drc_test_target
+
+if $drc_test_deep
+  deep
+end
+
+l1 = input(1, 0)
+l2 = input(2, 0)
+
+l1.output(1, 0)
+l2.output(2, 0)
+
+l1.sized(0.0, steps(50), inside(l2)).output(100, 0)
+l1.sized(20.0, steps(0), inside(l2)).output(101, 0)
+
+l1.sized(20.0, steps(50), inside(l2)).output(110, 0)
+l1.sized(50.0, steps(50), outside(l2)).output(111, 0)
+
+l1d = l1.dup
+l1d.size(20.0, steps(50), inside(l2))
+l1d.output(120, 0)
+
+l1d = l1.dup
+l1d.size(50.0, steps(50), outside(l2))
+l1d.output(121, 0)
+
+l1.sized(10.0, 20.0, steps(50), inside(l2)).output(130, 0)
+l1.sized(25.0, 50.0, steps(50), outside(l2)).output(131, 0)
+
+error = nil
+begin
+  l2.sized(-1.0, steps(50), outside(l2))
+rescue
+  error = true
+end
+if !error
+  raise "error expected!"
+end
+
+error = nil
+begin
+  l2.sized(-1.0, 2.0, steps(50), outside(l2))
+rescue
+  error = true
+end
+if !error
+  raise "error expected!"
+end
+
+
+
+
diff --git a/testdata/drc/drcSimpleTests_130.gds b/testdata/drc/drcSimpleTests_130.gds
new file mode 100644
index 000000000..3871953a1
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diff --git a/testdata/drc/drcSimpleTests_au130.gds b/testdata/drc/drcSimpleTests_au130.gds
new file mode 100644
index 000000000..4255d481c
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diff --git a/testdata/drc/drcSimpleTests_au130d.gds b/testdata/drc/drcSimpleTests_au130d.gds
new file mode 100644
index 000000000..eee1ba69f
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