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admin = db.getMongo().getDB("admin");
a = db.jstests_rename_a;
b = db.jstests_rename_b;
c = db.jstests_rename_c;
a.drop();
b.drop();
c.drop();
a.save({a: 1});
a.save({a: 2});
a.ensureIndex({a: 1});
a.ensureIndex({b: 1});
c.save({a: 100});
assert.commandFailed(
admin.runCommand({renameCollection: "test.jstests_rename_a", to: "test.jstests_rename_c"}));
assert.commandWorked(
admin.runCommand({renameCollection: "test.jstests_rename_a", to: "test.jstests_rename_b"}));
assert.eq(0, a.find().count());
assert.eq(2, b.find().count());
assert(db.getCollectionNames().indexOf("jstests_rename_b") >= 0);
assert(db.getCollectionNames().indexOf("jstests_rename_a") < 0);
assert.eq(3, db.jstests_rename_b.getIndexes().length);
assert.eq(0, db.jstests_rename_a.getIndexes().length);
// now try renaming a capped collection
a.drop();
b.drop();
c.drop();
// TODO: too many numbers hard coded here
// this test depends precisely on record size and hence may not be very reliable
// note we use floats to make sure numbers are represented as doubles for SpiderMonkey, since test
// relies on record size
db.createCollection("jstests_rename_a", {capped: true, size: 10000});
for (i = 0.1; i < 10; ++i) {
a.save({i: i});
}
assert.commandWorked(
admin.runCommand({renameCollection: "test.jstests_rename_a", to: "test.jstests_rename_b"}));
assert.eq(1, b.count({i: 9.1}));
printjson(b.stats());
for (i = 10.1; i < 1000; ++i) {
b.save({i: i});
}
printjson(b.stats());
// res = b.find().sort({i:1});
// while (res.hasNext()) printjson(res.next());
assert.eq(1, b.count({i: i - 1})); // make sure last is there
assert.eq(0, b.count({i: 9.1})); // make sure early one is gone
assert(db.getCollectionNames().indexOf("jstests_rename_b") >= 0);
assert(db.getCollectionNames().indexOf("jstests_rename_a") < 0);
assert(db.jstests_rename_b.stats().capped);
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