// This tests that $setOnInsert works and allow setting the _id
//
// @tags: [
//   # Time-series collections have different _id properties.
//   exclude_from_timeseries_crud_passthrough,
// ]

const t = db[jsTestName()];
let res;

function dotest(useIndex) {
    t.drop();
    if (useIndex) {
        assert.commandWorked(t.createIndex({a: 1}));
    }

    assert.commandWorked(t.update({_id: 5}, {$inc: {x: 2}, $setOnInsert: {a: 3}}, true));
    assert.docEq({_id: 5, a: 3, x: 2}, t.findOne());

    assert.commandWorked(t.update({_id: 5}, {$set: {a: 4}}, true));

    assert.commandWorked(t.update({_id: 5}, {$inc: {x: 2}, $setOnInsert: {a: 3}}, true));
    assert.docEq({_id: 5, a: 4, x: 4}, t.findOne());
}

dotest(false);
dotest(true);

// Cases for SERVER-9958 -- Allow _id $setOnInsert during insert (if upsert:true, and not doc found)
assert(t.drop());

res = t.update({_id: 1}, {$setOnInsert: {"_id.a": new Date()}}, true);
assert.writeError(res, "$setOnInsert _id.a worked");

res = t.update({"_id.a": 4}, {$setOnInsert: {"_id.b": 1}}, true);
assert.writeError(res, "$setOnInsert _id.a/b worked");

res = t.update({"_id.a": 4}, {$setOnInsert: {"_id": {a: 4, b: 1}}}, true);
assert.writeError(res, "$setOnInsert _id.a/a+b worked");