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// Cannot implicitly shard accessed collections because of following errmsg: A single
// update/delete on a sharded collection must contain an exact match on _id or contain the shard
// key.
// @tags: [assumes_unsharded_collection]
// Disallow $ in field names
var res;
t = db.jstest_updateh;
t.drop();
t.insert({x: 1});
res = t.update({x: 1}, {$set: {y: 1}}); // ok
assert.commandWorked(res);
res = t.update({x: 1}, {$set: {$z: 1}}); // not ok
assert.writeError(res);
res = t.update({x: 1}, {$set: {'a.$b': 1}}); // not ok
assert.writeError(res);
res = t.update({x: 1}, {$inc: {$z: 1}}); // not ok
assert.writeError(res);
// Second section
t.drop();
t.save({_id: 0, n: 0});
// Test that '$' cannot be the first character in a field.
// SERVER-7150
res = t.update({n: 0}, {$set: {$x: 1}});
assert.writeError(res);
res = t.update({n: 0}, {$set: {$$$: 1}});
assert.writeError(res);
res = t.update({n: 0}, {$set: {"sneaky.$x": 1}});
assert.writeError(res);
res = t.update({n: 0}, {$set: {"secret.agent$.$x": 1}});
assert.writeError(res);
res = t.update({n: 0}, {$set: {"$secret.agent.x": 1}});
assert.writeError(res);
res = t.update({n: 0}, {$set: {"secret.agent$": 1}});
assert.commandWorked(res);
t.save({_id: 0, n: 0});
// Test that you cannot update database references into top level fields
// Enable after SERVER-14252 fixed: currently validation does not catch DBRef
// fields at the top level for update and will not cause an error here
// res = t.update({ n: 0 }, { $set: {$ref: "1", $id: 1, $db: "1"}});
// assert.writeError(res);
// res = t.update({ n: 0 }, { $set: {$ref: "1", $id: 1}});
// assert.writeError(res);
// SERVER-11241: Validation used to allow any DBRef field name as a prefix
// thus allowing things like $idXXX
res = t.update({n: 0}, {$set: {$reffoo: 1}});
assert.writeError(res);
res = t.update({n: 0}, {$set: {$idbar: 1}});
assert.writeError(res);
res = t.update({n: 0}, {$set: {$dbbaz: 1}});
assert.writeError(res);
// Test that '$id', '$db', and '$ref' are acceptable field names in
// the correct case ( subdoc)
// SERVER-3231
res = t.update({n: 0}, {$set: {x: {$ref: '1', $id: 1, $db: '1'}}});
assert.commandWorked(res);
t.save({_id: 0, n: 0});
// Test that '$' can occur elsewhere in a field name.
// SERVER-7557
res = t.update({n: 0}, {$set: {ke$sha: 1}});
assert.commandWorked(res);
t.save({_id: 0, n: 0});
res = t.update({n: 0}, {$set: {more$$moreproblem$: 1}});
assert.commandWorked(res);
t.save({_id: 0, n: 0});
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