jstests/core/long_index_rename.js


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// SERVER-7720 Building an index with a too-long name should always fail
// Formerly, we would allow an index that already existed to be "created" with too long a name,
// but this caused secondaries to crash when replicating what should be a bad createIndex command.
// Here we test that the too-long name is rejected in this situation as well

t = db.long_index_rename;
t.drop();

for (i = 1; i < 10; i++) {
    t.save({a: i});
}

t.createIndex({a: 1}, {name: "aaa"});
var result = t.createIndex(
    {a: 1},
    {
      name: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
          "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
    });
assert(!result.ok);
assert(result.errmsg.indexOf("too long") >= 0);