diff options
Diffstat (limited to 'jstests/aggregation/expressions/indexof_codepoints.js')
| -rw-r--r-- | jstests/aggregation/expressions/indexof_codepoints.js | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/jstests/aggregation/expressions/indexof_codepoints.js b/jstests/aggregation/expressions/indexof_codepoints.js index 506b1a13cfa..bd6a261c121 100644 --- a/jstests/aggregation/expressions/indexof_codepoints.js +++ b/jstests/aggregation/expressions/indexof_codepoints.js @@ -30,7 +30,21 @@ load("jstests/aggregation/extras/utils.js"); // For assertErrorCode and testExp } } - var coll = db.indexofcp; + const coll = db.indexofcp; + coll.drop(); + assert.commandWorked(coll.insert({item: 'foobar foobar', emptyStr: ''})); + + // Test the edge case of searching for an empty string inside an empty string, where the start + // index is past the end index. These cases are designed to reproduce SERVER-56819. + assert.eq(-1, + coll.aggregate({$project: {byteLocation: {$indexOfCP: ['', '$emptyStr', 3]}}}) + .toArray()[0] + .byteLocation); + assert.eq(-1, + coll.aggregate({$project: {byteLocation: {$indexOfCP: ['', '$emptyStr', 3, 1]}}}) + .toArray()[0] + .byteLocation); + coll.drop(); // Insert a dummy document so something flows through the pipeline. |