Examples of org.h2.test.poweroff.TestWrite

org.h2.util.Task
This test shows the raw file access performance using various file modes. It also tests databases.

            }
        }
    }


    private void testGetSet() {
        BitField bits = new BitField();
        for (int i = 0; i < 10000; i++) {
            bits.set(i);
            if (!bits.get(i)) {
                fail("not set: " + i);
            }
            if (bits.get(i + 1)) {
                fail("set: " + i);
            }
        }
        for (int i = 0; i < 10000; i++) {
            if (!bits.get(i)) {
                fail("not set: " + i);
            }
        }
        for (int i = 0; i < 1000; i++) {
            int k = bits.nextClearBit(0);
            if (k != 10000) {
                fail("" + k);
            }
        }
    }

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            }
        }
    }


    private void testRandomSetRange() {
        BitField bits = new BitField();
        BitSet set = new BitSet();
        Random random = new Random(1);
        int maxOffset = 500;
        int maxLen = 500;
        int total = maxOffset + maxLen;
        int count = 10000;
        for (int i = 0; i < count; i++) {
            int offset = random.nextInt(maxOffset);
            int len = random.nextInt(maxLen);
            boolean val = random.nextBoolean();
            set.set(offset, offset + len, val);
            bits.set(offset, offset + len, val);
            for (int j = 0; j < total; j++) {
                assertEquals(set.get(j), bits.get(j));
            }
        }
    }

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    public static void main(String... a) throws Exception {
        TestBase.createCaller().init().test();
    }


    public void test() {
        IntIntHashMap map = new IntIntHashMap();
        map.put(1, 1);
        map.put(1, 2);
        assertEquals(1, map.size());
        map.put(0, 1);
        map.put(0, 2);
        assertEquals(2, map.size());
        rand.setSeed(10);
        test(true);
        test(false);
    }

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        int[] x = new int[len];
        for (int i = 0; i < len; i++) {
            int key = random ? rand.nextInt() : i;
            x[i] = key;
        }
        IntIntHashMap map = new IntIntHashMap();
        for (int i = 0; i < len; i++) {
            map.put(x[i], i);
        }
        for (int i = 0; i < len; i++) {
            if (map.get(x[i]) != i) {
                throw new AssertionError("get " + x[i] + " = " + map.get(i) + " should be " + i);
            }
        }
        for (int i = 1; i < len; i += 2) {
            map.remove(x[i]);
        }
        for (int i = 1; i < len; i += 2) {
            if (map.get(x[i]) != -1) {
                throw new AssertionError("get " + x[i] + " = " + map.get(i) + " should be <=0");
            }
        }
        for (int i = 1; i < len; i += 2) {
            map.put(x[i], i);
        }
        for (int i = 0; i < len; i++) {
            if (map.get(x[i]) != i) {
                throw new AssertionError("get " + x[i] + " = " + map.get(i) + " should be " + i);
            }
        }
    }

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            } else if ("timer".equals(args[0])) {
                new TestTimer().runTest(test);
            }
        } else {
            test.runTests();
            Profiler prof = new Profiler();
            prof.depth = 4;
            prof.interval = 1;
            prof.startCollecting();
            TestPerformance.main("-init", "-db", "1");
            prof.stopCollecting();
            System.out.println(prof.getTop(3));
//            Recover.execute("data", null);
//            RunScript.execute("jdbc:h2:data/test2",
//                 "sa1", "sa1", "data/test.h2.sql", null, false);
//            Recover.execute("data", null);
        }

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        deleteDb("scriptSimple");
        reconnect();
        String inFile = "org/h2/test/testSimple.in.txt";
        InputStream is = getClass().getClassLoader().getResourceAsStream(inFile);
        LineNumberReader lineReader = new LineNumberReader(new InputStreamReader(is, "Cp1252"));
        ScriptReader reader = new ScriptReader(lineReader);
        while (true) {
            String sql = reader.readStatement();
            if (sql == null) {
                break;
            }
            sql = sql.trim();
            try {
                if ("@reconnect".equals(sql.toLowerCase())) {
                    reconnect();
                } else if (sql.length() == 0) {
                    // ignore
                } else if (sql.toLowerCase().startsWith("select")) {
                    ResultSet rs = conn.createStatement().executeQuery(sql);
                    while (rs.next()) {
                        String expected = reader.readStatement().trim();
                        String got = "> " + rs.getString(1);
                        assertEquals(sql, expected, got);
                    }
                } else {
                    conn.createStatement().execute(sql);

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                    buff.append(";");
                }
            }
            String s = buff.toString();
            StringReader reader = new StringReader(s);
            ScriptReader source = new ScriptReader(reader);
            for (int j = 0; j < l; j++) {
                String e = source.readStatement();
                String c = sql[j];
                if (c.length() == 0 && j == l - 1) {
                    c = null;
                }
                assertEquals(c, e);
            }
            assertEquals(null, source.readStatement());
        }
    }

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        return buff.toString();
    }


    private void testCommon() {
        String s;
        ScriptReader source;


        s = "$$;$$;";
        source = new ScriptReader(new StringReader(s));
        assertEquals("$$;$$", source.readStatement());
        assertEquals(null, source.readStatement());
        source.close();


        s = "a;';';\";\";--;\n;/*;\n*/;//;\na;";
        source = new ScriptReader(new StringReader(s));
        assertEquals("a", source.readStatement());
        assertEquals("';'", source.readStatement());
        assertEquals("\";\"", source.readStatement());
        assertEquals("--;\n", source.readStatement());
        assertEquals("/*;\n*/", source.readStatement());
        assertEquals("//;\na", source.readStatement());
        assertEquals(null, source.readStatement());
        source.close();


        s = "/\n$ \n\n $';$$a$$ $\n;'";
        source = new ScriptReader(new StringReader(s));
        assertEquals("/\n$ \n\n $';$$a$$ $\n;'", source.readStatement());
        assertEquals(null, source.readStatement());
        source.close();


    }

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        // but for Ubuntu, the default ulimit is 1024,
        // which breaks the test
        int len = getSize(10, 50);
        Task[] tasks = new Task[len];
        for (int i = 0; i < len; i++) {
            tasks[i] = new Task() {
                public void call() throws SQLException {
                    Connection c = DriverManager.getConnection(url, user, password);
                    PreparedStatement prep = c.prepareStatement("insert into employee values(?, ?, 0)");
                    int id = getNextId();
                    prep.setInt(1, id);

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        Connection conn2 = getConnection("multiConn");
        final Statement stat1 = conn1.createStatement();
        stat1.execute("CREATE ALIAS SLEEP FOR \"java.lang.Thread.sleep(long)\"");
        final Statement stat2 = conn2.createStatement();
        stat1.execute("SET THROTTLE 100");
        Task t = new Task() {
            public void call() throws Exception {
                stat2.executeQuery("CALL SLEEP(100)");
                Thread.sleep(10);
                stat2.executeQuery("CALL SLEEP(100)");
            }
        };
        t.execute();
        Thread.sleep(50);
        stat1.execute("SHUTDOWN");
        conn1.close();
        try {
            conn2.close();
        } catch (SQLException e) {
            // ignore
        }
        try {
            t.get();
        } catch (Exception e) {
            // ignore
        }
    }

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