jstests/core/index9.js


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t = db.jstests_index9;

t.drop();
db.createCollection("jstests_index9");
assert.eq(1, t.getIndexes().length, "There should be 1 index with default collection");
t.drop();
db.createCollection("jstests_index9", {autoIndexId: true});
assert.eq(1, t.getIndexes().length, "There should be 1 index if autoIndexId: true");

t.drop();
db.createCollection("jstests_index9", {autoIndexId: false});
assert.eq(0, t.getIndexes().length, "There should be 0 index if autoIndexId: false");
t.createIndex({_id: 1});
assert.eq(1, t.getIndexes().length);
t.createIndex({_id: 1});
assert.eq(1, t.getIndexes().length);

t.drop();
t.createIndex({_id: 1});
assert.eq(1, t.getIndexes().length);

t.drop();
t.save({a: 1});
t.createIndex({_id: 1});
assert.eq(1, t.getIndexes().length);