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/*
Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package testsuite.regression;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.StringReader;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
import java.util.concurrent.Callable;
import testsuite.BaseTestCase;
/**
* Tests fixes for BLOB handling.
*/
public class BlobRegressionTest extends BaseTestCase {
/**
* Creates a new BlobRegressionTest.
*
* @param name
* name of the test to run
*/
public BlobRegressionTest(String name) {
super(name);
}
/**
* Runs all test cases in this test suite
*
* @param args
*/
public static void main(String[] args) {
junit.textui.TestRunner.run(BlobRegressionTest.class);
}
/**
* @throws Exception
*/
public void testBug2670() throws Exception {
byte[] blobData = new byte[32];
for (int i = 0; i < blobData.length; i++) {
blobData[i] = 1;
}
createTable("testBug2670", "(blobField LONGBLOB)");
PreparedStatement pStmt = this.conn.prepareStatement("INSERT INTO testBug2670 (blobField) VALUES (?)");
pStmt.setBytes(1, blobData);
pStmt.executeUpdate();
this.rs = this.stmt.executeQuery("SELECT blobField FROM testBug2670");
this.rs.next();
Blob blob = this.rs.getBlob(1);
//
// Test mid-point insertion
//
blob.setBytes(4, new byte[] { 2, 2, 2, 2 });
byte[] newBlobData = blob.getBytes(1L, (int) blob.length());
assertTrue("Blob changed length", blob.length() == blobData.length);
assertTrue("New data inserted wrongly", ((newBlobData[3] == 2) && (newBlobData[4] == 2) && (newBlobData[5] == 2) && (newBlobData[6] == 2)));
//
// Test end-point insertion
//
blob.setBytes(32, new byte[] { 2, 2, 2, 2 });
assertTrue("Blob length should be 3 larger", blob.length() == (blobData.length + 3));
}
/**
* http://bugs.mysql.com/bug.php?id=22891
*
* @throws Exception
* ...
*/
public void testUpdateLongBlobGT16M() throws Exception {
if (versionMeetsMinimum(4, 0)) {
byte[] blobData = new byte[18 * 1024 * 1024]; // 18M blob
createTable("testUpdateLongBlob", "(blobField LONGBLOB)");
this.stmt.executeUpdate("INSERT INTO testUpdateLongBlob (blobField) VALUES (NULL)");
this.pstmt = this.conn.prepareStatement("UPDATE testUpdateLongBlob SET blobField=?");
this.pstmt.setBytes(1, blobData);
try {
this.pstmt.executeUpdate();
} catch (SQLException sqlEx) {
if (sqlEx.getMessage().indexOf("max_allowed_packet") != -1) {
fail("You need to increase max_allowed_packet to at least 18M before running this test!");
}
}
}
}
/**
* @throws Exception
*/
public void testUpdatableBlobsWithCharsets() throws Exception {
byte[] smallBlob = new byte[32];
for (byte i = 0; i < smallBlob.length; i++) {
smallBlob[i] = i;
}
createTable("testUpdatableBlobsWithCharsets", "(pk INT NOT NULL PRIMARY KEY, field1 BLOB)");
this.pstmt = this.conn.prepareStatement("INSERT INTO testUpdatableBlobsWithCharsets (pk, field1) VALUES (1, ?)");
this.pstmt.setBinaryStream(1, new ByteArrayInputStream(smallBlob), smallBlob.length);
this.pstmt.executeUpdate();
Statement updStmt = this.conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
this.rs = updStmt.executeQuery("SELECT pk, field1 FROM testUpdatableBlobsWithCharsets");
System.out.println(this.rs);
this.rs.next();
for (byte i = 0; i < smallBlob.length; i++) {
smallBlob[i] = (byte) (i + 32);
}
this.rs.updateBinaryStream(2, new ByteArrayInputStream(smallBlob), smallBlob.length);
this.rs.updateRow();
ResultSet newRs = this.stmt.executeQuery("SELECT field1 FROM testUpdatableBlobsWithCharsets");
newRs.next();
byte[] updatedBlob = newRs.getBytes(1);
for (byte i = 0; i < smallBlob.length; i++) {
byte origValue = smallBlob[i];
byte newValue = updatedBlob[i];
assertTrue("Original byte at position " + i + ", " + origValue + " != new value, " + newValue, origValue == newValue);
}
}
public void testBug5490() throws Exception {
createTable("testBug5490", "(pk INT NOT NULL PRIMARY KEY, blobField BLOB)");
String sql = "insert into testBug5490 values(?,?)";
int blobFileSize = 871;
File blobFile = newTempBinaryFile("Bug5490", blobFileSize);
this.pstmt = this.conn.prepareStatement(sql, ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
this.pstmt.setInt(1, 2);
FileInputStream fis = new FileInputStream(blobFile);
this.pstmt.setBinaryStream(2, fis, blobFileSize);
this.pstmt.execute();
fis.close();
this.pstmt.close();
this.rs = this.stmt.executeQuery("SELECT blobField FROM testBug5490");
this.rs.next();
byte[] returned = this.rs.getBytes(1);
assertEquals(blobFileSize, returned.length);
}
/**
* Tests BUG#8096 where emulated locators corrupt binary data when using
* server-side prepared statements.
*
* @throws Exception
* if the test fails.
*/
public void testBug8096() throws Exception {
int dataSize = 256;
Properties props = new Properties();
props.setProperty("emulateLocators", "true");
Connection locatorConn = getConnectionWithProps(props);
String select = "SELECT ID, 'DATA' AS BLOB_DATA FROM testBug8096 WHERE ID = ?";
String insert = "INSERT INTO testBug8096 (ID, DATA) VALUES (?, '')";
String id = "1";
byte[] testData = new byte[dataSize];
for (int i = 0; i < testData.length; i++) {
testData[i] = (byte) i;
}
createTable("testBug8096", "(ID VARCHAR(10) PRIMARY KEY, DATA LONGBLOB)");
this.pstmt = locatorConn.prepareStatement(insert);
this.pstmt.setString(1, id);
this.pstmt.execute();
this.pstmt = locatorConn.prepareStatement(select);
this.pstmt.setString(1, id);
this.rs = this.pstmt.executeQuery();
if (this.rs.next()) {
Blob b = this.rs.getBlob("BLOB_DATA");
b.setBytes(1, testData);
}
this.rs.close();
this.pstmt.close();
this.pstmt = locatorConn.prepareStatement(select);
this.pstmt.setString(1, id);
this.rs = this.pstmt.executeQuery();
byte[] result = null;
if (this.rs.next()) {
Blob b = this.rs.getBlob("BLOB_DATA");
result = b.getBytes(1, dataSize - 1);
}
this.rs.close();
this.pstmt.close();
assertNotNull(result);
for (int i = 0; i < result.length && i < testData.length; i++) {
// Will print out all of the values that don't match.
// All negative values will instead be replaced with 63.
if (result[i] != testData[i]) {
assertEquals("At position " + i, testData[i], result[i]);
}
}
}
/**
* Tests fix for BUG#9040 - PreparedStatement.addBatch() doesn't work with
* server-side prepared statements and streaming BINARY data.
*
* @throws Exception
* if the test fails.
*/
public void testBug9040() throws Exception {
createTable("testBug9040", "(primary_key int not null primary key, data mediumblob)");
this.pstmt = this.conn.prepareStatement("replace into testBug9040 (primary_key, data) values(?,?)");
int primaryKey = 1;
byte[] data = "First Row".getBytes();
this.pstmt.setInt(1, primaryKey);
this.pstmt.setBinaryStream(2, new ByteArrayInputStream(data), data.length);
this.pstmt.addBatch();
primaryKey = 2;
data = "Second Row".getBytes();
this.pstmt.setInt(1, primaryKey);
this.pstmt.setBinaryStream(2, new ByteArrayInputStream(data), data.length);
this.pstmt.addBatch();
this.pstmt.executeBatch();
}
public void testBug10850() throws Exception {
String tableName = "testBug10850";
createTable(tableName, "(field1 TEXT)");
this.pstmt = this.conn.prepareStatement("INSERT INTO " +
tableName + " VALUES (?)");
this.pstmt.setCharacterStream(1, new StringReader(""), 0);
this.pstmt.executeUpdate();
assertEquals("0", getSingleIndexedValueWithQuery(1, "SELECT LENGTH(field1) FROM " + tableName).toString());
this.stmt.executeUpdate("TRUNCATE TABLE " + tableName);
this.pstmt.clearParameters();
this.pstmt.setBinaryStream(1, new ByteArrayInputStream(new byte[0]), 0);
this.pstmt.executeUpdate();
assertEquals("0", getSingleIndexedValueWithQuery(1, "SELECT LENGTH(field1) FROM " + tableName).toString());
this.stmt.executeUpdate("TRUNCATE TABLE " + tableName);
}
public void testBug34677() throws Exception {
createTable("testBug34677", "(field1 BLOB)");
this.stmt.executeUpdate("INSERT INTO testBug34677 VALUES ('abc')");
this.rs = this.stmt.executeQuery("SELECT field1 FROM testBug34677");
this.rs.next();
Blob blob = this.rs.getBlob(1);
blob.truncate(0L);
assertEquals(0, blob.length());
assertEquals(-1, blob.getBinaryStream().read());
}
/**
* Tests fix for BUG#20453671 - CLOB.POSITION() API CALL WITH CLOB INPUT RETURNS EXCEPTION
*
* @throws Exception
* if the test fails.
*/
public void testBug20453671() throws Exception {
this.rs = this.stmt.executeQuery("select 'abcd', 'a', 'b', 'c', 'd', 'e'");
this.rs.next();
final Clob in = this.rs.getClob(1);
final ResultSet locallyScopedRs = this.rs;
assertThrows(SQLException.class, "Illegal starting position for search, '0'", new Callable<Void>() {
public Void call() throws Exception {
in.position(locallyScopedRs.getClob(2), 0);
return null;
}
});
assertThrows(SQLException.class, "Starting position for search is past end of CLOB", new Callable<Void>() {
public Void call() throws Exception {
in.position(locallyScopedRs.getClob(2), 10);
return null;
}
});
assertEquals(1, in.position(this.rs.getClob(2), 1));
assertEquals(2, in.position(this.rs.getClob(3), 1));
assertEquals(3, in.position(this.rs.getClob(4), 1));
assertEquals(4, in.position(this.rs.getClob(5), 1));
assertEquals(-1, in.position(this.rs.getClob(6), 1));
}
/**
* Tests fix for BUG#20453712 - CLOB.SETSTRING() WITH VALID INPUT RETURNS EXCEPTION
* server-side prepared statements and streaming BINARY data.
*
* @throws Exception
* if the test fails.
*/
public void testBug20453712() throws Exception {
final String s1 = "NewClobData";
this.rs = this.stmt.executeQuery("select 'a'");
this.rs.next();
final Clob c1 = this.rs.getClob(1);
// check with wrong position
assertThrows(SQLException.class, "Starting position can not be < 1", new Callable<Void>() {
public Void call() throws Exception {
c1.setString(0, s1, 7, 4);
return null;
}
});
// check with wrong substring index
assertThrows(SQLException.class, "String index out of range: 12", new Callable<Void>() {
public Void call() throws Exception {
c1.setString(1, s1, 8, 4);
return null;
}
});
// full replace
c1.setString(1, s1, 3, 4);
assertEquals("Clob", c1.getSubString(1L, (int) c1.length()));
// add
c1.setString(5, s1, 7, 4);
assertEquals("ClobData", c1.getSubString(1L, (int) c1.length()));
// replace middle chars
c1.setString(2, s1, 7, 4);
assertEquals("CDataata", c1.getSubString(1L, (int) c1.length()));
}
}