@SmallTest
public void testRun() throws Exception {
MemoryFile file = new MemoryFile("MemoryFileTest", 1000000);
byte[] buffer = new byte[testString.length];
// check low level accessors
file.writeBytes(testString, 0, 2000, testString.length);
file.readBytes(buffer, 2000, 0, testString.length);
compareBuffers(testString, buffer, testString.length);
// check streams
buffer = new byte[testString.length];
OutputStream os = file.getOutputStream();
os.write(testString);
InputStream is = file.getInputStream();
is.mark(testString.length);
is.read(buffer);
compareBuffers(testString, buffer, testString.length);
// test mark/reset
buffer = new byte[testString.length];
is.reset();
is.read(buffer);
compareBuffers(testString, buffer, testString.length);
file.close();
}
/** Keep allocating new files till the system purges them. */
@MediumTest
public void testPurge() throws Exception {
List<MemoryFile> files = new ArrayList<MemoryFile>();
while (true) {
MemoryFile newFile = new MemoryFile("MemoryFileTest", 1000000);
newFile.allowPurging(true);
newFile.writeBytes(testString, 0, 0, testString.length);
files.add(newFile);
for (MemoryFile file : files) {
try {
file.readBytes(testString, 0, 0, testString.length);
} catch (IOException e) {
// Expected
for (MemoryFile fileToClose : files) {
fileToClose.close();
}
return;
}
}
}
}