Merge "Add Os.capset test." into main

1 files changed, 15 insertions, 0 deletions

diff --git a/luni/src/test/java/libcore/android/system/OsTest.java b/luni/src/test/java/libcore/android/system/OsTest.java
index 209f30bec27..1d4225e872d 100644
--- a/luni/src/test/java/libcore/android/system/OsTest.java
+++ b/luni/src/test/java/libcore/android/system/OsTest.java
@@ -22,6 +22,8 @@ import android.system.NetlinkSocketAddress;
 import android.system.Os;
 import android.system.OsConstants;
 import android.system.PacketSocketAddress;
+import android.system.StructCapUserData;
+import android.system.StructCapUserHeader;
 import android.system.StructCmsghdr;
 import android.system.StructMsghdr;
 import android.system.StructRlimit;
@@ -2306,6 +2308,19 @@ public class OsTest {
         Os.munmap(address, size);
     }
 
+    @Test
+    public void testCapset() throws Exception {
+        var header = new StructCapUserHeader(_LINUX_CAPABILITY_VERSION_3, /* pid= */0);
+        var existing = Os.capget(header);
+        var noCapabilities = new StructCapUserData(0, 0, 0);
+
+        try {
+            Os.capset(header, new StructCapUserData[] { noCapabilities, noCapabilities });
+        } finally {
+            Os.capset(header, existing);
+        }
+    }
+
     /*
      * Checks that all ways of accessing the environment are consistent by collecting:
      * osEnvironment      - The environment returned by Os.environ()