@Test
public void testCorruptChecksumAtFooter() throws Exception {
final DirCache dc = new DirCache(pathOf("gitgit.index.badchecksum"), FS.DETECTED);
try {
dc.read();
fail("Cache loaded despite corrupt checksum");
} catch (CorruptObjectException err) {
assertEquals("DIRC checksum mismatch", err.getMessage());
}
}
@Test
public void testUnsupportedRequiredExtension() throws Exception {
final DirCache dc = new DirCache(pathOf("gitgit.index.aaaa"), FS.DETECTED);
try {
dc.read();
fail("Cache loaded an unsupported extension");
} catch (CorruptObjectException err) {
assertEquals("DIRC extension 'aaaa'" + " not supported by this version.", err.getMessage());
}
}
@Test
public void testInvalidType() {
try {
checker.check(Constants.OBJ_BAD, new byte[0]);
fail("Did not throw CorruptObjectException");
} catch (CorruptObjectException e) {
final String m = e.getMessage();
assertEquals(
MessageFormat.format(JGitText.get().corruptObjectInvalidType2, Constants.OBJ_BAD), m);
}
}
@Test
public void testInvalidTagNoObject1() {
final StringBuilder b = new StringBuilder();
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTag(data);
fail("incorrectly accepted invalid tag");
} catch (CorruptObjectException e) {
assertEquals("no object header", e.getMessage());
}
}
@Test
public void testInvalidTreeTruncatedInObjectId() {
final StringBuilder b = new StringBuilder();
b.append("100644 b\0\1\2");
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTree(data);
fail("incorrectly accepted an invalid tree");
} catch (CorruptObjectException e) {
assertEquals("truncated in object id", e.getMessage());
}
}
@Test
public void testInvalidTreeNameIsDotDot() {
final StringBuilder b = new StringBuilder();
entry(b, "100644 ..");
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTree(data);
fail("incorrectly accepted an invalid tree");
} catch (CorruptObjectException e) {
assertEquals("invalid name '..'", e.getMessage());
}
}
@Test
public void testInvalidTreeModeNotSupportedMode2() {
final StringBuilder b = new StringBuilder();
entry(b, "170000 a");
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTree(data);
fail("incorrectly accepted an invalid tree");
} catch (CorruptObjectException e) {
assertEquals("invalid mode " + 0170000, e.getMessage());
}
}
@Test
public void testInvalidTreeModeStartsWithZero3() {
final StringBuilder b = new StringBuilder();
entry(b, "040000 a");
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTree(data);
fail("incorrectly accepted an invalid tree");
} catch (CorruptObjectException e) {
assertEquals("mode starts with '0'", e.getMessage());
}
}
@Test
public void testInvalidTreeBadSorting1() {
final StringBuilder b = new StringBuilder();
entry(b, "100644 foobar");
entry(b, "100644 fooaaa");
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTree(data);
fail("incorrectly accepted an invalid tree");
} catch (CorruptObjectException e) {
assertEquals("incorrectly sorted", e.getMessage());
}
}
@Test
public void testInvalidTagNoType1() {
final StringBuilder b = new StringBuilder();
b.append("object ");
b.append("be9bfa841874ccc9f2ef7c48d0c76226f89b7189");
b.append('\n');
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTag(data);
fail("incorrectly accepted invalid tag");
} catch (CorruptObjectException e) {
assertEquals("no type header", e.getMessage());
}
}
@Test
public void testInvalidCommitInvalidTree4() {
final StringBuilder b = new StringBuilder();
b.append("tree ");
b.append("be9bfa841874ccc9f2ef7c48d0c76226f89b7189");
b.append('\n');
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkCommit(data);
fail("Did not catch corrupt object");
} catch (CorruptObjectException e) {
assertEquals("invalid tree", e.getMessage());
}
}
@Test
public void testInvalidTreeDuplicateNames4() {
final StringBuilder b = new StringBuilder();
entry(b, "100644 a");
entry(b, "100644 a.c");
entry(b, "100644 a.d");
entry(b, "100644 a.e");
entry(b, "40000 a");
entry(b, "100644 zoo");
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkTree(data);
fail("incorrectly accepted an invalid tree");
} catch (CorruptObjectException e) {
assertEquals("duplicate entry names", e.getMessage());
}
}
public void testIncorrectBaseSize() throws IOException {
init(4, 4);
copy(0, 4);
assertValidState();
DeltaStream in =
new DeltaStream(new ByteArrayInputStream(delta)) {
@Override
protected long getBaseSize() throws IOException {
return 128;
}
@Override
protected InputStream openBase() throws IOException {
return new ByteArrayInputStream(base);
}
};
try {
in.read(new byte[4]);
fail("did not throw an exception");
} catch (CorruptObjectException e) {
assertEquals(JGitText.get().baseLengthIncorrect, e.getMessage());
}
in =
new DeltaStream(new ByteArrayInputStream(delta)) {
@Override
protected long getBaseSize() throws IOException {
return 4;
}
@Override
protected InputStream openBase() throws IOException {
return new ByteArrayInputStream(new byte[0]);
}
};
try {
in.read(new byte[4]);
fail("did not throw an exception");
} catch (CorruptObjectException e) {
assertEquals(JGitText.get().baseLengthIncorrect, e.getMessage());
}
}
@Test
public void testInvalidCommitInvalidAuthor7() {
final StringBuilder b = new StringBuilder();
b.append("tree ");
b.append("be9bfa841874ccc9f2ef7c48d0c76226f89b7189");
b.append('\n');
b.append("author a <b> 1 z");
final byte[] data = Constants.encodeASCII(b.toString());
try {
checker.checkCommit(data);
fail("Did not catch corrupt object");
} catch (CorruptObjectException e) {
// Yes, really, we complain about author not being
// found as the invalid parent line wasn't consumed.
assertEquals("invalid author", e.getMessage());
}
}
@Test
public void testRejectInvalidWindowsPaths() throws Exception {
SystemReader.setInstance(
new MockSystemReader() {
{
setUnix();
}
});
String path = "src/con.txt";
DirCache dc = db.lockDirCache();
DirCacheBuilder b = dc.builder();
DirCacheEntry e = new DirCacheEntry(path);
e.setFileMode(FileMode.REGULAR_FILE);
try (ObjectInserter.Formatter formatter = new ObjectInserter.Formatter()) {
e.setObjectId(formatter.idFor(Constants.OBJ_BLOB, Constants.encode(path)));
}
b.add(e);
b.commit();
db.readDirCache();
SystemReader.setInstance(
new MockSystemReader() {
{
setWindows();
}
});
try {
db.readDirCache();
fail("should have rejected " + path);
} catch (CorruptObjectException err) {
assertEquals(MessageFormat.format(JGitText.get().invalidPath, path), err.getMessage());
assertNotNull(err.getCause());
assertEquals("invalid name 'CON'", err.getCause().getMessage());
}
}