[Mainline Upstream] Add "[IBSS]" string to ScanResult#capabilities

Added "[IBSS]" to the ScanResult capabilities string in case the IBSS
field is set in the network's capability information.

Bug: 134722025
Test: atest InformationElementUtilTest
Change-Id: Id8884c0156397e21d1a558a810d83eeaf26ff474

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/util/InformationElementUtilTest.java b/tests/wifitests/src/com/android/server/wifi/util/InformationElementUtilTest.java
index dd567053c..011283b79 100644
--- a/tests/wifitests/src/com/android/server/wifi/util/InformationElementUtilTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/util/InformationElementUtilTest.java
@@ -775,6 +775,24 @@ public class InformationElementUtilTest {
     }
 
     /**
+     * Test Capabilities.generateCapabilitiesString() with the IBSS capability bit set.
+     *
+     * Expect the function to return a string with [IBSS] there.
+     */
+    @Test
+    public void buildCapabilities_IbssCapabilitySet() {
+        BitSet beaconCap = new BitSet(16);
+        beaconCap.set(1);
+
+        InformationElementUtil.Capabilities capabilities =
+                new InformationElementUtil.Capabilities();
+        capabilities.from(new InformationElement[0], beaconCap, false);
+        String result = capabilities.generateCapabilitiesString();
+
+        assertEquals("[IBSS]", result);
+    }
+
+    /**
      * Verify the expectations when building an ExtendedCapabilites IE from data with no bits set.
      * Both ExtendedCapabilities#isStrictUtf8() and ExtendedCapabilites#is80211McRTTResponder()
      * should return false.