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-rw-r--r--jstests/aggregation/expressions/arrayToObject.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/jstests/aggregation/expressions/arrayToObject.js b/jstests/aggregation/expressions/arrayToObject.js
index 409bd8aee1f..c5f3ec358c2 100644
--- a/jstests/aggregation/expressions/arrayToObject.js
+++ b/jstests/aggregation/expressions/arrayToObject.js
@@ -72,4 +72,18 @@ assertPipelineErrors([{k: null, v: "nullKey"}], 40394);
assertPipelineErrors([{k: undefined, v: "undefinedKey"}], 40394);
assertPipelineErrors([{y: "ignored", k: "item", v: "pear"}], 40392);
assertPipelineErrors(NaN, 40386);
+
+// Check that $arrayToObject produces an error when the key contains a null byte.
+assertErrorCode(
+ coll, [{$replaceWith: {$arrayToObject: {$literal: [["a\0b", "abra cadabra"]]}}}], 4940400);
+assertErrorCode(
+ coll, [{$replaceWith: {$arrayToObject: {$literal: [{k: "a\0b", v: "blah"}]}}}], 4940401);
+assertErrorCode(
+ coll,
+ [{$replaceWith: {$arrayToObject: {$literal: [["a\0b", "abra cadabra"]]}}}, {$out: "output"}],
+ 4940400);
+assertErrorCode(
+ coll,
+ [{$replaceWith: {$arrayToObject: {$literal: [{k: "a\0b", v: "blah"}]}}}, {$out: "output"}],
+ 4940401);
}());