Add CLOB test to TestBigResult

h2/src/test/org/h2/test/db/TestBigResult.java

@@ -6,6 +6,7 @@
 package org.h2.test.db;
 
 import java.sql.Blob;
+import java.sql.Clob;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -299,7 +300,8 @@ public class TestBigResult extends TestBase {
         stat.execute("SET MAX_MEMORY_ROWS " + 1);
         stat.execute("CREATE TABLE TEST(ID INT PRIMARY KEY, VALUE BLOB NOT NULL)");
         PreparedStatement ps = conn.prepareStatement("INSERT INTO TEST VALUES (?, ?)");
-        byte[] data = new byte[1_000_000];
+        int length = 1_000_000;
+        byte[] data = new byte[length];
         for (int i = 1; i <= 10; i++) {
             ps.setInt(1, i);
             Arrays.fill(data, (byte) i);
@@ -322,6 +324,32 @@ public class TestBigResult extends TestBase {
             assertEquals(data, bytes);
             b.free();
         }
+        stat.execute("DROP TABLE TEST");
+        stat.execute("CREATE TABLE TEST(ID INT PRIMARY KEY, VALUE CLOB NOT NULL)");
+        ps = conn.prepareStatement("INSERT INTO TEST VALUES (?, ?)");
+        char[] cdata = new char[length];
+        for (int i = 1; i <= 10; i++) {
+            ps.setInt(1, i);
+            Arrays.fill(cdata, (char) i);
+            ps.setString(2, new String(cdata));
+            ps.executeUpdate();
+        }
+        Clob[] clobs = new Clob[10];
+        rs = stat.executeQuery("SELECT * FROM TEST");
+        for (int i = 1; i <= 10; i++) {
+            assertTrue(rs.next());
+            assertEquals(i, rs.getInt(1));
+            clobs[i - 1] = rs.getClob(2);
+        }
+        assertFalse(rs.next());
+        rs.close();
+        for (int i = 1; i <= 10; i++) {
+            Clob c = clobs[i - 1];
+            String string = c.getSubString(1, (int) c.length());
+            Arrays.fill(cdata, (char) i);
+            assertEquals(new String(cdata), string);
+            c.free();
+        }
         conn.close();
     }