1 files changed, 36 insertions, 0 deletions
diff --git a/jstests/noPassthrough/truncate_large_profiler_entry.js b/jstests/noPassthrough/truncate_large_profiler_entry.js
new file mode 100644
index 00000000000..1cf05c27d45
--- /dev/null
+++ b/jstests/noPassthrough/truncate_large_profiler_entry.js
@@ -0,0 +1,36 @@
+/**
+ * Test which verifies that large profiler entries generated for SBE plans do not exceed the max
+ * BSON depth. Instead, they get truncated right below the max depth.
+ */
+(function() {
+"use strict";
+
+const conn =
+    MongoRunner.runMongod({setParameter: "internalQueryEnableSlotBasedExecutionEngine=true"});
+assert.neq(null, conn, "mongod was unable to startup");
+const db = conn.getDB("test");
+const collName = jsTestName();
+const coll = db[collName];
+coll.drop();
+
+// Insert some documents so our query will perform some work.
+assert.commandWorked(coll.insert([{a: 1}, {a: 2}]));
+const longField = 'a.'.repeat(99) + 'a';
+const projectionSpec = {
+    [longField]: 1
+};
+
+// Setup the profiler to only pick up the query below.
+assert.commandWorked(db.setProfilingLevel(2, {slowms: 0, sampleRate: 1}, {
+    filter: {'op': 'query', 'command.projection': projectionSpec}
+}));
+
+// Verify that our query was picked up by the profiler.
+coll.find({}, projectionSpec).toArray();
+const profilerEntry = db.system.profile.find().toArray();
+assert.eq(1, profilerEntry.length, profilerEntry);
+
+// Collection validation should detect no issues.
+assert.commandWorked(db.system.profile.validate({full: true}));
+MongoRunner.stopMongod(conn);
+}());