Added check to ensure a DoubleBondStereochemistry is never created wi…

…th more then 2 bonds - this would cause errors with some methods. Change-Id: Icbfb1902560d1588dec7b95aac3a775053728450 Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
cdk · Nov 1, 2012 · f8f98fe · f8f98fe
1 parent ab6c308
commit f8f98fe
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/main/org/openscience/cdk/stereo/DoubleBondStereochemistry.java b/src/main/org/openscience/cdk/stereo/DoubleBondStereochemistry.java
@@ -49,6 +49,8 @@ public class DoubleBondStereochemistry implements IDoubleBondStereochemistry {
 	 * <code>ligandBonds[0]</code>, <code>stereoBonds</code>, and <code>ligandBonds[1]</code>.
 	 */
 	public DoubleBondStereochemistry(IBond stereoBond, IBond[] ligandBonds, Conformation stereo) {
+        if(ligandBonds.length > 2)
+            throw new IllegalArgumentException("expected two ligand bonds");
 		this.stereoBond = stereoBond;
 		this.ligandBonds = ligandBonds;
 		this.stereo = stereo;