TestTypeConversion.java :  » Database-DBMS » hsql-2.0.0 » org » hsqldb » test » Java Open Source

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package org.hsqldb.test;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.io.*;

public class TestTypeConversion extends TestBase {

    Connection connection;
    Statement  statement;

    public TestTypeConversion(String name) {

        super(name);

//        super(name, "jdbc:hsqldb:file:test3", false, false);
//       super(name, "jdbc:hsqldb:mem:test3", false, false);
    }

    protected void setUp() {

        super.setUp();

        try {
            connection = super.newConnection();
            statement  = connection.createStatement();
        } catch (Exception e) {
            System.out.println(e);
        }
    }

    public void testStreams() {

        try {
            String ddl0 = "DROP TABLE BSTREAM IF EXISTS";
            String ddl1 =
                "CREATE TABLE BSTREAM(A INT IDENTITY PRIMARY KEY, B VARBINARY(20))";

            statement.execute(ddl0);
            statement.execute(ddl1);
        } catch (SQLException e) {
            e.printStackTrace();
            fail("ddl failure");
        }

        try {
            String            dml0 = "insert into bstream values(default, ?)";
            String            dql0 = "select * from bstream where a = ?";
            PreparedStatement ps1   = connection.prepareStatement(dml0);
            PreparedStatement ps2   = connection.prepareStatement(dql0);
            byte[]            data = new byte[] {
                0x10, 0x11, 0x12, 0x13, 0x14, 0x15
            };
            InputStream is = new ByteArrayInputStream(data);
            ps1.setBinaryStream(1,  is);
            ps1.execute();

            ps1.setObject(1, data);
            ps1.execute();

            ps2.setInt(1, 1);
            ResultSet rs = ps2.executeQuery();

            rs.next();

            InputStream isr = rs.getBinaryStream(2);

            for(int i =0; i < data.length ; i++) {
                int val = isr.read();

                assertTrue(val == data[i]);
            }

        } catch (Exception e) {
            e.printStackTrace();
            fail("dml failure");
        }
    }

    public void testBitA() {

        try {
            String ddl0 = "DROP TABLE BITTEST IF EXISTS";
            String ddl1 =
                "CREATE TABLE BITTEST(BITA BIT(1), BITB BIT(2), "
                + "BITVA BIT VARYING(1), BITVB BIT VARYING(2), ID IDENTITY)";

            statement.execute(ddl0);
            statement.execute(ddl1);
        } catch (SQLException e) {
            e.printStackTrace();
            fail("ddl failure");
        }

        try {
            String dml0 = "insert into bittest values(?, ?, ?, ?, default)";
            String            dql0 = "select * from bittest;";
            PreparedStatement ps   = connection.prepareStatement(dml0);
            byte[]            data = new byte[]{ -0x80 };

            ps.setBoolean(1, true);
            ps.setBytes(2, data);
            ps.setBytes(3, data);
            ps.setBytes(4, data);
            ps.executeUpdate();

            //
            data = new byte[]{ 0 };

            ps.setBoolean(1, false);
            ps.setBytes(2, data);
            ps.setBytes(3, data);
            ps.setBytes(4, data);
            ps.executeUpdate();
            ps.close();

            ps = connection.prepareStatement(dql0);

            ResultSet rs = ps.executeQuery();

            rs.next();

            boolean boole = rs.getBoolean(1);

            assertTrue(boole);

            boole = rs.getBoolean(1);

            assertTrue(boole);
            rs.next();

            boole = rs.getBoolean(1);

            assertFalse(boole);

            boole = rs.getBoolean(1);

            assertFalse(boole);
        } catch (SQLException e) {
            e.printStackTrace();
            fail("dml failure");
        }
    }
}