add testcase & bug fixed

src/test/java/com/alibaba/druid/bvt/pool/DruidDataSourceTest8.java

@@ -0,0 +1,48 @@
+package com.alibaba.druid.bvt.pool;
+
+import java.sql.SQLException;
+import java.util.Properties;
+
+import org.junit.Assert;
+
+import junit.framework.TestCase;
+
+import com.alibaba.druid.filter.FilterAdapter;
+import com.alibaba.druid.filter.FilterChain;
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.proxy.jdbc.ConnectionProxy;
+
+public class DruidDataSourceTest8 extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setInitialSize(1);
+        dataSource.getProxyFilters().add(new FilterAdapter() {
+
+            @Override
+            public ConnectionProxy connection_connect(FilterChain chain, Properties info) throws SQLException {
+                throw new Error();
+            }
+        });
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+
+    public void testInitError() throws Exception {
+        Assert.assertEquals(0, dataSource.getCreateErrorCount());
+        Throwable error = null;
+        try {
+            dataSource.init();
+        } catch (Throwable e) {
+            error = e;
+        }
+        Assert.assertNotNull(error);
+        Assert.assertTrue(dataSource.getCreateErrorCount() > 0);
+    }
+
+}