diff --git a/core/tests/coretests/src/com/android/internal/os/DebugTest.java b/core/tests/coretests/src/com/android/internal/os/DebugTest.java
index 88c7d1b18a6a8..efb78d7885756 100644
--- a/core/tests/coretests/src/com/android/internal/os/DebugTest.java
+++ b/core/tests/coretests/src/com/android/internal/os/DebugTest.java
@@ -64,4 +64,12 @@ public class DebugTest extends TestCase {
     public void testGetCallers() {
         assertTrue(callDepth1().matches(EXPECTED_GET_CALLERS));
     }
+
+    /**
+     * Regression test for b/31943543. Note: must be run under CheckJNI to detect the issue.
+     */
+    public void testGetMemoryInfo() {
+        Debug.MemoryInfo info = new Debug.MemoryInfo();
+        Debug.getMemoryInfo(-1, info);
+    }
 }