}
private void doTest(boolean compress) throws Exception {
int len = getSize(1000, 10000);
Random random = new Random();
FileStore mem = null, file = null;
byte[] buffMem = null;
byte[] buffFile = null;
String prefix = compress ? "memLZF:" : "memFS:";
IOUtils.delete(prefix + "test");
IOUtils.delete("~/testFile");
// config.traceTest = true;
for (int i = 0; i < len; i++) {
if (buffMem == null) {
int l = 1 + random.nextInt(1000);
buffMem = new byte[l];
buffFile = new byte[l];
}
if (file == null) {
mem = FileStore.open(this, prefix + "test", "rw");
file = FileStore.open(this, "~/testFile", "rw");
}
assertEquals(file.getFilePointer(), mem.getFilePointer());
assertEquals(file.length(), mem.length());
int x = random.nextInt(100);
if ((x -= 20) < 0) {
if (file.length() > 0) {
long pos = random.nextInt((int) (file.length() / 16)) * 16;
trace("seek " + pos);
mem.seek(pos);
file.seek(pos);
}
} else if ((x -= 20) < 0) {
trace("close");
mem.close();
file.close();
mem = null;
file = null;
} else if ((x -= 20) < 0) {
if (buffFile.length > 16) {
random.nextBytes(buffFile);
System.arraycopy(buffFile, 0, buffMem, 0, buffFile.length);
int off = random.nextInt(buffFile.length - 16);
int l = random.nextInt((buffFile.length - off) / 16) * 16;
trace("write " + off + " " + l);
mem.write(buffMem, off, l);
file.write(buffFile, off, l);
}
} else if ((x -= 20) < 0) {
if (buffFile.length > 16) {
int off = random.nextInt(buffFile.length - 16);
int l = random.nextInt((buffFile.length - off) / 16) * 16;
l = (int) Math.min(l, file.length() - file.getFilePointer());
trace("read " + off + " " + l);
Exception a = null, b = null;
try {
file.readFully(buffFile, off, l);
} catch (Exception e) {
a = e;
}
try {
mem.readFully(buffMem, off, l);
} catch (Exception e) {
b = e;
}
if (a != b) {
if (a == null || b == null) {
fail("only one threw an exception");
}
}
assertEquals(buffMem, buffFile);
}
} else if ((x -= 10) < 0) {
trace("reset buffers");
buffMem = null;
buffFile = null;
} else {
int l = random.nextInt(10000) * 16;
long p = file.getFilePointer();
file.setLength(l);
mem.setLength(l);
trace("setLength " + l);
if (p > l) {
file.seek(l);
mem.seek(l);
}
}
}
if (mem != null) {
mem.close();
file.close();
}
IOUtils.delete(prefix + "test");
IOUtils.delete("~/testFile");
}