/** Test copy from an input stream to a file */
static void testCopyInputStreamToFile() throws IOException {
testCopyInputStreamToFile(0);
for (int i = 0; i < 100; i++) {
testCopyInputStreamToFile(rand.nextInt(32000));
}
// FileAlreadyExistsException
Path target = createTempFile("blah", null);
try {
InputStream in = new ByteArrayInputStream(new byte[0]);
try {
copy(in, target);
throw new RuntimeException("FileAlreadyExistsException expected");
} catch (FileAlreadyExistsException ignore) {
}
} finally {
delete(target);
}
Path tmpdir = createTempDirectory("blah");
try {
if (TestUtil.supportsLinks(tmpdir)) {
Path link = createSymbolicLink(tmpdir.resolve("link"), tmpdir.resolve("target"));
try {
InputStream in = new ByteArrayInputStream(new byte[0]);
try {
copy(in, link);
throw new RuntimeException("FileAlreadyExistsException expected");
} catch (FileAlreadyExistsException ignore) {
}
} finally {
delete(link);
}
}
} finally {
delete(tmpdir);
}
// nulls
try {
copy((InputStream) null, target);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException ignore) {
}
try {
copy(new ByteArrayInputStream(new byte[0]), (Path) null);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException ignore) {
}
}
public static void main(String[] args) throws Exception {
Path dir1 = TestUtil.createTemporaryDirectory();
try {
// Same directory
testCopyFileToFile(dir1, dir1, TestUtil.supportsLinks(dir1));
testMove(dir1, dir1, TestUtil.supportsLinks(dir1));
// Different directories. Use test.dir if possible as it might be
// a different volume/file system and so improve test coverage.
String testDir = System.getProperty("test.dir", ".");
Path dir2 = TestUtil.createTemporaryDirectory(testDir);
try {
boolean testSymbolicLinks = TestUtil.supportsLinks(dir1) && TestUtil.supportsLinks(dir2);
testCopyFileToFile(dir1, dir2, testSymbolicLinks);
testMove(dir1, dir2, testSymbolicLinks);
} finally {
TestUtil.removeAll(dir2);
}
// Target is location associated with custom provider
Path dir3 = PassThroughFileSystem.create().getPath(dir1.toString());
testCopyFileToFile(dir1, dir3, false);
testMove(dir1, dir3, false);
// Test copy(InputStream,Path) and copy(Path,OutputStream)
testCopyInputStreamToFile();
testCopyFileToOuputStream();
} finally {
TestUtil.removeAll(dir1);
}
}