1 files changed, 39 insertions, 0 deletions
diff --git a/jstests/disk/validate_bson_inconsistency.js b/jstests/disk/validate_bson_inconsistency.js
new file mode 100644
index 00000000000..a91eb8d7695
--- /dev/null
+++ b/jstests/disk/validate_bson_inconsistency.js
@@ -0,0 +1,39 @@
+/**
+ * Tests that the validate command detects various types of BSON inconsistencies.
+ */
+
+(function() {
+
+load('jstests/disk/libs/wt_file_helper.js');
+
+const baseName = "validate_bson_inconsistency";
+const collNamePrefix = "test_";
+let count = 0;
+const dbpath = MongoRunner.dataPath + baseName + "/";
+
+resetDbpath(dbpath);
+
+(function validateDocumentsDuplicateFieldNames() {
+    jsTestLog("Validate documents with duplicate field names");
+
+    let mongod = startMongodOnExistingPath(dbpath);
+    let db = mongod.getDB(baseName);
+    const collName = collNamePrefix + count++;
+    db.createCollection(collName);
+    let testColl = db[collName];
+
+    let uri = getUriForColl(testColl);
+    const numDocs = 10;
+    insertDocDuplicateFieldName(testColl, uri, mongod, numDocs);
+
+    mongod = startMongodOnExistingPath(dbpath);
+    db = mongod.getDB(baseName);
+    testColl = db[collName];
+
+    let res = assert.commandWorked(testColl.validate());
+    assert(res.valid, tojson(res));
+    // TODO: Check the warnings that the documents with duplicate field names are detected.
+
+    MongoRunner.stopMongod(mongod, null, {skipValidation: true});
+})();
+})();