| /** |
| * Derby - Class org.apache.derbyTesting.functionTests.tests.lang.CharUTF8Test |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.derbyTesting.functionTests.tests.lang; |
| |
| import java.sql.Connection; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| import junit.framework.Test; |
| import org.apache.derbyTesting.junit.BaseJDBCTestCase; |
| import org.apache.derbyTesting.junit.BaseTestSuite; |
| import org.apache.derbyTesting.junit.CleanDatabaseTestSetup; |
| |
| /** |
| * Test all characters written through the UTF8 format. |
| */ |
| public class CharUTF8Test extends BaseJDBCTestCase { |
| |
| private PreparedStatement psSet; |
| private PreparedStatement psGet; |
| |
| /** |
| * Basic constructor. |
| */ |
| public CharUTF8Test(String name) { |
| super(name); |
| } |
| |
| /** |
| * Sets the auto commit to false. |
| */ |
| protected void initializeConnection(Connection conn) throws SQLException { |
| conn.setAutoCommit(false); |
| } |
| |
| /** |
| * Returns the implemented tests. |
| * |
| * @return An instance of <code>Test</code> with the implemented tests to |
| * run. |
| */ |
| public static Test suite() { |
| return new CleanDatabaseTestSetup( |
| new BaseTestSuite(CharUTF8Test.class)) { |
| |
| protected void decorateSQL(Statement stmt) throws SQLException { |
| stmt.execute("CREATE TABLE TEST(id int not null primary key, body varchar(60))"); |
| } |
| }; |
| } |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| psSet = prepareStatement("insert into test values(?,?)"); |
| psGet = prepareStatement("select body from test where id=?"); |
| } |
| |
| protected void tearDown() throws Exception { |
| // Forget the statements to allow them to be gc'ed. They will be |
| // closed in super.tearDown(). |
| psSet = null; |
| psGet = null; |
| super.tearDown(); |
| } |
| |
| /** |
| * Tests the correct handling of UTF8 char sequence. |
| * |
| * This test iteratively writes on a test table a sequence of 60 UTF8 chars; next, in the same iteration, it |
| * reads the string and checks if the written sequence is correct. |
| * |
| * @throws SQLException |
| */ |
| public void testUTF8() throws SQLException { |
| for (int i = Character.MIN_VALUE; i <= Character.MAX_VALUE; i++) { |
| StringBuffer buff = new StringBuffer(); |
| buff.append((char) i); |
| |
| if ((buff.length() == 60) || (i == Character.MAX_VALUE)) { |
| String text = buff.toString(); |
| //System.out.println("Testing with last char value " + i + " length=" + text.length()); |
| |
| setBody(i, text); // set the text |
| |
| String res = getBody(i); // now read the text |
| assertEquals("Fetched string is incorrect (length = " + buff.length() + ")", text, res); |
| |
| buff.setLength(0); |
| } |
| } |
| } |
| |
| /** |
| * Checks if an empty UTF8 string is correctly handled. |
| * |
| * @throws SQLException |
| */ |
| public void testEmptyStringUTF8() throws SQLException { |
| setBody(-1, ""); |
| assertEquals("Empty string incorrect!", "", getBody(-1)); |
| } |
| |
| private void setBody(int key, String body) throws SQLException { |
| psSet.setInt(1, key); |
| psSet.setString(2, body); |
| psSet.executeUpdate(); |
| } |
| |
| private String getBody(int key) throws SQLException { |
| String result = "NO RESULT"; |
| |
| psGet.setInt(1, key); |
| ResultSet rs = psGet.executeQuery(); |
| if (rs.next()) { |
| result = rs.getString(1); |
| } |
| rs.close(); |
| return result; |
| } |
| } |