|
public OpenRead ( String filename ) : |
||
| filename | String | |
| return | ||
public void TestWriteWithMultipleFlushes()
{
string filename = "multiflush.txt";
GridFileStream gfs = fs.Create(filename);
Object id = gfs.GridFileInfo.Id;
int size = gfs.GridFileInfo.ChunkSize * 2;
byte[] buff;
int x = 0;
for (int i = 0; i < size; i += 4)
{
buff = BitConverter.GetBytes(x);
gfs.Write(buff, 0, buff.Length);
x++;
if (i % size / 4 == 0)
{
gfs.Flush();
}
}
gfs.Close();
gfs = fs.OpenRead(filename);
int read;
int val;
buff = new byte[4];
for (int i = 0; i < size / 4; i++)
{
read = gfs.Read(buff, 0, 4);
val = BitConverter.ToInt32(buff, 0);
Assert.AreEqual(4, read, "Not enough bytes were read. Pos: " + gfs.Position);
Assert.AreEqual(i, val, "value read back was not the same as written. Pos: " + gfs.Position);
}
}
public void TestOpenReadOnly()
{
string filename = "gfi-open.txt";
GridFile gf = new GridFile(DB, "gfopen");
GridFileStream gfs = gf.Create(filename);
gfs.Close();
gfs = gf.OpenRead(filename);
Assert.IsNotNull(gfs);
bool thrown = false;
try{
gfs.Write(new byte[] { 0 }, 0, 1);
}catch (System.NotSupportedException) {
thrown = true;
}catch (Exception ex) {
Assert.Fail("Wrong exception thrown " + ex.GetType().Name);
}
Assert.IsTrue(thrown, "NotSupportedException not thrown");
}
public void TestOpenReadOnly()
{
string filename = "gfi-open.txt";
GridFile gf = new GridFile(db["tests"], "gfopen");
GridFileStream gfs = gf.Create(filename);
gfs.Close();
gfs = gf.OpenRead(filename);
Assert.IsNotNull(gfs);
bool thrown = false;
try{
gfs.Write(new byte[]{0},0,1);
}catch(System.NotSupportedException){
thrown = true;
}catch(Exception ex){
Assert.Fail("Wrong exception thrown " + ex.GetType().Name);
}
Assert.IsTrue(thrown, "NotSupportedException not thrown");
}