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// Test replication of an array by $push-ing to a missing field in the presence of a sparse index on
// the field. SERVER-4907
function testWithCollectionIndexIds(capped, sparse, useIds) {
printjson({capped: capped, sparse: sparse, useIds: useIds});
rt = new ReplTest("repl14tests");
m = rt.start(true); // master
if (capped) {
m.getDB('d').createCollection('c', {capped: true, size: 5 * 1024});
}
mc = m.getDB('d')['c']; // master collection
mc.ensureIndex({a: 1}, {sparse: sparse});
toInsert = {};
if (capped) {
// Add a singleton array as padding, so the push later on will not change document size.
toInsert = {
p: [1]
};
}
if (useIds) { // Insert wiith an auto generated _id.
mc.insert(toInsert);
} else { // Otherwise avoid the auto generated _id.
mc._mongo.insert(mc._fullName, toInsert, 0);
}
assert.eq(mc.count(), 1);
s = rt.start(false); // slave
sc = s.getDB('d')['c']; // slave collection
// Wait for the document to be cloned.
assert.soon(function() {
return sc.count() > 0;
}, "doc not replicated soon enough", 60 * 1000);
modifiers = {
$push: {a: 1}
};
if (capped) {
// Delete our singleton array to balance the new singleton array we're going to create.
modifiers['$unset'] = {
p: 1
};
}
assert.writeOK(mc.update({}, modifiers));
// Wait for the update to be replicated.
assert.soon(function() {
return sc.count({a: 1}) > 0;
});
rt.stop();
}
function testWithCollectionIndex(capped, sparse) {
testWithCollectionIndexIds(capped, sparse, true);
if (capped) {
testWithCollectionIndexIds(capped, sparse, false);
}
}
function testWithCollection(capped) {
testWithCollectionIndex(capped, true);
testWithCollectionIndex(capped, false);
}
function test() {
testWithCollection(true);
testWithCollection(false);
}
test();
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