private void AssertSameStreams(System.String msg, IndexInput expected, IndexInput test)
{
Assert.IsNotNull(expected, msg + " null expected");
Assert.IsNotNull(test, msg + " null test");
Assert.AreEqual(expected.Length(null), test.Length(null), msg + " length");
Assert.AreEqual(expected.FilePointer(null), test.FilePointer(null), msg + " position");
byte[] expectedBuffer = new byte[512];
byte[] testBuffer = new byte[expectedBuffer.Length];
long remainder = expected.Length(null) - expected.FilePointer(null);
while (remainder > 0)
{
int readLen = (int)System.Math.Min(remainder, expectedBuffer.Length);
expected.ReadBytes(expectedBuffer, 0, readLen, null);
test.ReadBytes(testBuffer, 0, readLen, null);
AssertEqualArrays(msg + ", remainder " + remainder, expectedBuffer, testBuffer, 0, readLen);
remainder -= readLen;
}
}
public virtual void TestRandomAccessClones()
{
SetUp_2();
CompoundFileReader cr = new CompoundFileReader(dir, "f.comp", null);
// Open two files
IndexInput e1 = cr.OpenInput("f11", null);
IndexInput e2 = cr.OpenInput("f3", null);
IndexInput a1 = (IndexInput)e1.Clone(null);
IndexInput a2 = (IndexInput)e2.Clone(null);
// Seek the first pair
e1.Seek(100, null);
a1.Seek(100, null);
Assert.AreEqual(100, e1.FilePointer(null));
Assert.AreEqual(100, a1.FilePointer(null));
byte be1 = e1.ReadByte(null);
byte ba1 = a1.ReadByte(null);
Assert.AreEqual(be1, ba1);
// Now seek the second pair
e2.Seek(1027, null);
a2.Seek(1027, null);
Assert.AreEqual(1027, e2.FilePointer(null));
Assert.AreEqual(1027, a2.FilePointer(null));
byte be2 = e2.ReadByte(null);
byte ba2 = a2.ReadByte(null);
Assert.AreEqual(be2, ba2);
// Now make sure the first one didn't move
Assert.AreEqual(101, e1.FilePointer(null));
Assert.AreEqual(101, a1.FilePointer(null));
be1 = e1.ReadByte(null);
ba1 = a1.ReadByte(null);
Assert.AreEqual(be1, ba1);
// Now more the first one again, past the buffer length
e1.Seek(1910, null);
a1.Seek(1910, null);
Assert.AreEqual(1910, e1.FilePointer(null));
Assert.AreEqual(1910, a1.FilePointer(null));
be1 = e1.ReadByte(null);
ba1 = a1.ReadByte(null);
Assert.AreEqual(be1, ba1);
// Now make sure the second set didn't move
Assert.AreEqual(1028, e2.FilePointer(null));
Assert.AreEqual(1028, a2.FilePointer(null));
be2 = e2.ReadByte(null);
ba2 = a2.ReadByte(null);
Assert.AreEqual(be2, ba2);
// Move the second set back, again cross the buffer size
e2.Seek(17, null);
a2.Seek(17, null);
Assert.AreEqual(17, e2.FilePointer(null));
Assert.AreEqual(17, a2.FilePointer(null));
be2 = e2.ReadByte(null);
ba2 = a2.ReadByte(null);
Assert.AreEqual(be2, ba2);
// Finally, make sure the first set didn't move
// Now make sure the first one didn't move
Assert.AreEqual(1911, e1.FilePointer(null));
Assert.AreEqual(1911, a1.FilePointer(null));
be1 = e1.ReadByte(null);
ba1 = a1.ReadByte(null);
Assert.AreEqual(be1, ba1);
e1.Close();
e2.Close();
a1.Close();
a2.Close();
cr.Close();
}
