// Each of these rules are from the read-tree manpage
// go there to see what they mean.
// Rule 0 is left out for obvious reasons :)
public void testRules1thru3_NoIndexEntry() throws IOException {
GitIndex index = new GitIndex(db);
Tree head = new Tree(db);
FileTreeEntry headFile = head.addFile("foo");
ObjectId objectId = ObjectId.fromString("ba78e065e2c261d4f7b8f42107588051e87e18e9");
headFile.setId(objectId);
Tree merge = new Tree(db);
Checkout readTree = getCheckoutImpl(head, index, merge);
readTree.prescanTwoTrees();
assertTrue(readTree.removed().contains("foo"));
readTree = getCheckoutImpl(merge, index, head);
readTree.prescanTwoTrees();
assertEquals(objectId, readTree.updated().get("foo"));
ObjectId anotherId = ObjectId.fromString("ba78e065e2c261d4f7b8f42107588051e87e18ee");
merge.addFile("foo").setId(anotherId);
readTree = getCheckoutImpl(head, index, merge);
readTree.prescanTwoTrees();
assertEquals(anotherId, readTree.updated().get("foo"));
}
private void addFileToTree(final Tree t, String filename, String content) throws IOException {
FileTreeEntry f = t.addFile(filename);
writeTrashFile(f.getName(), content);
t.accept(new WriteTree(trash, db), TreeEntry.MODIFIED_ONLY);
}