Пример #1
0
        public void test_blob_write()
        {
            using (sqlite3 db = ugly.open(":memory:"))
            {
                const int len = 100;

                db.exec("CREATE TABLE foo (b blob);");
                using (sqlite3_stmt stmt = db.prepare("INSERT INTO foo (b) VALUES (?)"))
                {
                    stmt.bind_zeroblob(1, len);
                    stmt.step();
                }

                long rowid = db.last_insert_rowid();

                using (sqlite3_blob bh = db.blob_open("main", "foo", "b", rowid, 1))
                {
                    int len2 = bh.bytes();
                    Assert.AreEqual(len, len2);

                    int passes = 10;

                    Assert.AreEqual(len % passes, 0);

                    int    sublen = len / passes;
                    byte[] buf    = new byte[sublen];
                    for (int i = 0; i < sublen; i++)
                    {
                        buf[i] = (byte)(i % 256);
                    }

                    for (int q = 0; q < passes; q++)
                    {
                        bh.write(buf, q * sublen);
                    }
                }
            }
        }