Unit test with the SMILES reported by Kevin Lawson

Change-Id: I2a3c6cfec082a82ce48434ab0120ae4ac8fd2bd6 Signed-off-by: Rajarshi Guha <rajarshi.guha@gmail.com>
cdk · Mar 22, 2012 · d9c147d · d9c147d
1 parent 47d65be
commit d9c147d
Showing 1 changed file with 24 additions and 2 deletions.
diff --git a/src/test/org/openscience/cdk/smiles/DeduceBondSystemToolTest.java b/src/test/org/openscience/cdk/smiles/DeduceBondSystemToolTest.java
@@ -26,12 +26,12 @@
 import org.openscience.cdk.CDKConstants;
 import org.openscience.cdk.CDKTestCase;
 import org.openscience.cdk.DefaultChemObjectBuilder;
-import org.openscience.cdk.annotations.TestMethod;
 import org.openscience.cdk.config.Elements;
 import org.openscience.cdk.interfaces.IAtom;
+import org.openscience.cdk.interfaces.IAtomType.Hybridization;
 import org.openscience.cdk.interfaces.IBond;
+import org.openscience.cdk.interfaces.IBond.Order;
 import org.openscience.cdk.interfaces.IMolecule;
-import org.openscience.cdk.interfaces.IAtomType.Hybridization;
 import org.openscience.cdk.nonotify.NNAtom;
 import org.openscience.cdk.nonotify.NNBond;
 import org.openscience.cdk.nonotify.NNMolecule;
@@ -82,6 +82,28 @@ public void testPyrrole() throws Exception {
         }
     }
 
+	@Test
+    public void testLargeRingSystem() throws Exception {
+        String smiles = "O=C1Oc6ccccc6(C(O)C1C5c2ccccc2CC(c3ccc(cc3)c4ccccc4)C5)";
+        SmilesParser smilesParser = new SmilesParser(DefaultChemObjectBuilder.getInstance());
+        IMolecule molecule = smilesParser.parseSmiles(smiles);
+
+        DeduceBondSystemTool dbst = new DeduceBondSystemTool(new AllRingsFinder());
+        molecule = dbst.fixAromaticBondOrders(molecule);
+        Assert.assertNotNull(molecule);
+
+        molecule = (IMolecule) AtomContainerManipulator.removeHydrogens(molecule);
+        Assert.assertEquals(34, molecule.getAtomCount());
+
+        // we should have 14 double bonds
+        int doubleBondCount = 0;
+        for (int i = 0; i < molecule.getBondCount(); i++) {
+            IBond bond = molecule.getBond(i);
+            if (bond.getOrder() == Order.DOUBLE) doubleBondCount++;
+        }
+        Assert.assertEquals(13, doubleBondCount);
+    }
+
 	@Test(timeout=1000) 
     public void testPyrrole_CustomRingFinder() throws Exception {
         String smiles = "c2ccc3n([H])c1ccccc1c3(c2)";