Fixes crash if hull's children are empty objects. Fixes #345

2 files changed, 12 insertions, 0 deletions

diff --git a/tests/regression/dumptest/hull2-tests-expected.txt b/tests/regression/dumptest/hull2-tests-expected.txt
index e4c5a5b..c14282f 100644
--- a/tests/regression/dumptest/hull2-tests-expected.txt
+++ b/tests/regression/dumptest/hull2-tests-expected.txt
@@ -56,4 +56,10 @@
 			}
 		}
 	}
+	group() {
+		hull() {
+			square(size = [0, 0], center = false);
+			circle($fn = 0, $fa = 12, $fs = 2, r = 0);
+		}
+	}
 
diff --git a/tests/regression/dumptest/hull3-tests-expected.txt b/tests/regression/dumptest/hull3-tests-expected.txt
index 4c05e2c..f8def3b 100644
--- a/tests/regression/dumptest/hull3-tests-expected.txt
+++ b/tests/regression/dumptest/hull3-tests-expected.txt
@@ -27,4 +27,10 @@
 			}
 		}
 	}
+	group() {
+		hull() {
+			cube(size = [0, 0, 0], center = false);
+			sphere($fn = 0, $fa = 12, $fs = 2, r = 0);
+		}
+	}