From 636451443f26a099369a4b1044b64fdf9d364d8e Mon Sep 17 00:00:00 2001
From: Andreas Gampe <agampe@google.com>
Date: Thu, 6 Oct 2016 13:49:52 -0700
Subject: [PATCH] Debug: Add test for bug 31943543

Bug: 31943543
Test: adb shell setprop debug.checkjni 1 && runtest --path frameworks/base/core/tests/coretests/src/com/android/internal/os/DebugTest.java
Change-Id: I895f3f9927ed3572dc4e77b49d12cadd53ce5d6a
---
 .../coretests/src/com/android/internal/os/DebugTest.java  | 8 ++++++++
 1 file changed, 8 insertions(+)

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);
+    }
 }