1 files changed, 50 insertions, 53 deletions
diff --git a/jstests/core/txns/downgrade_fcv_while_large_partial_txn_in_progress.js b/jstests/core/txns/downgrade_fcv_while_large_partial_txn_in_progress.js
index a53457fc6e5..3bbd380770e 100644
--- a/jstests/core/txns/downgrade_fcv_while_large_partial_txn_in_progress.js
+++ b/jstests/core/txns/downgrade_fcv_while_large_partial_txn_in_progress.js
@@ -7,69 +7,66 @@
  */
 
 (function() {
-    "use strict";
+"use strict";
 
-    const dbName = "test";
-    const collName = "downgrade_fcv_while_large_partial_txn_in_progress";
-    const testDB = db.getSiblingDB(dbName);
+const dbName = "test";
+const collName = "downgrade_fcv_while_large_partial_txn_in_progress";
+const testDB = db.getSiblingDB(dbName);
 
-    assert.commandWorked(db.adminCommand({
-        configureFailPoint: "hangBeforeAbortingRunningTransactionsOnFCVDowngrade",
-        mode: "alwaysOn"
-    }));
+assert.commandWorked(db.adminCommand(
+    {configureFailPoint: "hangBeforeAbortingRunningTransactionsOnFCVDowngrade", mode: "alwaysOn"}));
 
-    // As we are not able to send a single request larger than 16MB, we insert two documents
-    // of 10MB each to create a "large" transaction.
-    const kSize10MB = 10 * 1024 * 1024;
-    function createLargeDocument(id) {
-        return {_id: id, longString: new Array(kSize10MB).join("a")};
-    }
+// As we are not able to send a single request larger than 16MB, we insert two documents
+// of 10MB each to create a "large" transaction.
+const kSize10MB = 10 * 1024 * 1024;
+function createLargeDocument(id) {
+    return {_id: id, longString: new Array(kSize10MB).join("a")};
+}
 
-    testDB[collName].drop({writeConcern: {w: "majority"}});
-    assert.commandWorked(testDB.createCollection(collName, {writeConcern: {w: "majority"}}));
+testDB[collName].drop({writeConcern: {w: "majority"}});
+assert.commandWorked(testDB.createCollection(collName, {writeConcern: {w: "majority"}}));
 
-    const session = db.getMongo().startSession({causalConsistency: false});
-    const sessionDB = session.getDatabase(dbName);
-    const sessionColl = sessionDB.getCollection(collName);
+const session = db.getMongo().startSession({causalConsistency: false});
+const sessionDB = session.getDatabase(dbName);
+const sessionColl = sessionDB.getCollection(collName);
 
-    let doc1 = createLargeDocument(1);
-    let doc2 = createLargeDocument(2);
+let doc1 = createLargeDocument(1);
+let doc2 = createLargeDocument(2);
 
-    jsTestLog("Start a transaction and insert documents with sizes that add up to more than 16MB.");
-    session.startTransaction();
-    assert.commandWorked(sessionColl.insert(doc1));
-    assert.commandWorked(sessionColl.insert(doc2));
+jsTestLog("Start a transaction and insert documents with sizes that add up to more than 16MB.");
+session.startTransaction();
+assert.commandWorked(sessionColl.insert(doc1));
+assert.commandWorked(sessionColl.insert(doc2));
 
-    let downgradeFCV = startParallelShell(function() {
-        load("jstests/libs/feature_compatibility_version.js");
+let downgradeFCV = startParallelShell(function() {
+    load("jstests/libs/feature_compatibility_version.js");
 
-        const testDB = db.getSiblingDB("test");
-        const adminDB = db.getSiblingDB("admin");
-        try {
-            jsTestLog("Downgrade to FCV4.0.");
-            assert.commandWorked(
-                testDB.adminCommand({setFeatureCompatibilityVersion: lastStableFCV}));
-            checkFCV(adminDB, lastStableFCV);
-        } finally {
-            jsTestLog("Restore back to FCV4.2.");
-            assert.commandWorked(testDB.adminCommand({setFeatureCompatibilityVersion: latestFCV}));
-            checkFCV(adminDB, latestFCV);
-        }
-    });
+    const testDB = db.getSiblingDB("test");
+    const adminDB = db.getSiblingDB("admin");
+    try {
+        jsTestLog("Downgrade to FCV4.0.");
+        assert.commandWorked(testDB.adminCommand({setFeatureCompatibilityVersion: lastStableFCV}));
+        checkFCV(adminDB, lastStableFCV);
+    } finally {
+        jsTestLog("Restore back to FCV4.2.");
+        assert.commandWorked(testDB.adminCommand({setFeatureCompatibilityVersion: latestFCV}));
+        checkFCV(adminDB, latestFCV);
+    }
+});
 
-    // Wait until the in-memory FCV state has been changed to 4.0.
-    assert.soon(function() {
-        const adminDB = db.getSiblingDB("admin");
-        let res = adminDB.runCommand({getParameter: 1, featureCompatibilityVersion: 1});
-        assert.commandWorked(res);
-        return "4.0" === res.featureCompatibilityVersion.version;
-    }, "Failed to detect the FCV change to 4.0 from server status.");
+// Wait until the in-memory FCV state has been changed to 4.0.
+assert.soon(function() {
+    const adminDB = db.getSiblingDB("admin");
+    let res = adminDB.runCommand({getParameter: 1, featureCompatibilityVersion: 1});
+    assert.commandWorked(res);
+    return "4.0" === res.featureCompatibilityVersion.version;
+}, "Failed to detect the FCV change to 4.0 from server status.");
 
-    jsTestLog("Attempt to commit the large transaction using the FCV4.0 oplog format.");
-    assert.commandFailedWithCode(session.commitTransaction_forTesting(),
-                                 ErrorCodes.TransactionTooLarge);
+jsTestLog("Attempt to commit the large transaction using the FCV4.0 oplog format.");
+assert.commandFailedWithCode(session.commitTransaction_forTesting(),
+                             ErrorCodes.TransactionTooLarge);
 
-    assert.commandWorked(db.adminCommand(
-        {configureFailPoint: "hangBeforeAbortingRunningTransactionsOnFCVDowngrade", mode: "off"}));
-    downgradeFCV();
+assert.commandWorked(db.adminCommand(
+    {configureFailPoint: "hangBeforeAbortingRunningTransactionsOnFCVDowngrade", mode: "off"}));
+downgradeFCV();
 }());