/*
 * Similar to rename.js however this is requires profiling in order to assert that the failpoint
 * operated as it should which didn't work in rename7.js per SERVER-36717.
 */
// @tags: [requires_profiling]
(function() {
// Set up namespaces a and b.
var admin = db.getMongo().getDB("admin");
var db_a = db.getMongo().getDB("db_a");
var db_b = db.getMongo().getDB("db_b");

var a = db_a.rename7;
var b = db_b.rename7;

// Ensure that the databases are created
db_a.coll.insert({});
db_b.coll.insert({});

a.drop();
b.drop();

// Put some documents and indexes in a.
a.save({a: 1});
a.save({a: 2});
a.save({a: 3});
a.ensureIndex({a: 1});
a.ensureIndex({b: 1});

assert.commandWorked(admin.runCommand({renameCollection: "db_a.rename7", to: "db_b.rename7"}));

assert.eq(0, a.find().count());
assert(db_a.getCollectionNames().indexOf("rename7") < 0);

assert.eq(3, b.find().count());
assert(db_b.getCollectionNames().indexOf("rename7") >= 0);

a.drop();
b.drop();

// Test that the dropTarget option works when renaming across databases.
a.save({});
b.save({});
assert.commandFailed(admin.runCommand({renameCollection: "db_a.rename7", to: "db_b.rename7"}));

// Ensure that a WCE during renaming doesn't cause a failure.
assert.commandWorked(db_a.setProfilingLevel(2));  // So we can check WCE happens.
assert.commandWorked(db_a.adminCommand(
    {"configureFailPoint": 'writeConflictInRenameCollCopyToTmp', "mode": {times: 1}}));
assert.commandWorked(
    admin.runCommand({renameCollection: "db_a.rename7", to: "db_b.rename7", dropTarget: true}));
assert.gte(db_a.system.profile.findOne().writeConflicts, 1);  // Make sure that our WCE happened
assert.commandWorked(db_a.setProfilingLevel(0));
a.drop();
b.drop();
})();