diff --git a/jstests/noPassthrough/inmem_config_str.js b/jstests/noPassthrough/inmem_config_str.js
new file mode 100644
index 00000000000..4d0ef39be59
--- /dev/null
+++ b/jstests/noPassthrough/inmem_config_str.js
@@ -0,0 +1,15 @@
+// SERVER-28179 Test the startup of in-memory storage engine using --inMemoryEngineConfigString
+(function() {
+    'use strict';
+
+    if (jsTest.options().storageEngine !== "inMemory") {
+        jsTestLog("Skipping test because storageEngine is not inMemory");
+        return;
+    }
+
+    var mongod = MongoRunner.runMongod({
+        storageEngine: 'inMemory',
+        inMemoryEngineConfigString: 'eviction=(threads_min=1)',
+    });
+    assert.neq(null, mongod, "mongod failed to started up with --inMemoryEngineConfigString");
+}());