2 files changed, 29 insertions, 10 deletions

diff --git a/packages/SettingsLib/src/com/android/settingslib/Utils.java b/packages/SettingsLib/src/com/android/settingslib/Utils.java
index 8a30a3bbe784..888b09fafd3b 100644
--- a/packages/SettingsLib/src/com/android/settingslib/Utils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/Utils.java
@@ -653,6 +653,9 @@ public class Utils {
         }
         for (UsbPort usbPort : usbPortList) {
             Log.d(tag, "usbPort: " + usbPort);
+            if (!usbPort.supportsComplianceWarnings()) {
+                continue;
+            }
             final UsbPortStatus usbStatus = usbPort.getStatus();
             if (usbStatus == null || !usbStatus.isConnected()) {
                 continue;
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/UtilsTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/UtilsTest.java
index 68a1e194c15b..dce1e206e321 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/UtilsTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/UtilsTest.java
@@ -448,25 +448,41 @@ public class UtilsTest {
 
     @Test
     public void containsIncompatibleChargers_returnTrue() {
-        final List<UsbPort> usbPorts = new ArrayList<>();
-        usbPorts.add(mUsbPort);
-        when(mUsbManager.getPorts()).thenReturn(usbPorts);
-        when(mUsbPort.getStatus()).thenReturn(mUsbPortStatus);
-        when(mUsbPortStatus.isConnected()).thenReturn(true);
-        when(mUsbPortStatus.getComplianceWarnings()).thenReturn(new int[]{1});
-
+        setupIncompatibleCharging();
         assertThat(Utils.containsIncompatibleChargers(mContext, "tag")).isTrue();
     }
 
     @Test
     public void containsIncompatibleChargers_emptyComplianceWarnings_returnFalse() {
+        setupIncompatibleCharging();
+        when(mUsbPortStatus.getComplianceWarnings()).thenReturn(new int[1]);
+
+        assertThat(Utils.containsIncompatibleChargers(mContext, "tag")).isFalse();
+    }
+
+    @Test
+    public void containsIncompatibleChargers_notSupportComplianceWarnings_returnFalse() {
+        setupIncompatibleCharging();
+        when(mUsbPort.supportsComplianceWarnings()).thenReturn(false);
+
+        assertThat(Utils.containsIncompatibleChargers(mContext, "tag")).isFalse();
+    }
+
+    @Test
+    public void containsIncompatibleChargers_usbNotConnected_returnFalse() {
+        setupIncompatibleCharging();
+        when(mUsbPortStatus.isConnected()).thenReturn(false);
+
+        assertThat(Utils.containsIncompatibleChargers(mContext, "tag")).isFalse();
+    }
+
+    private void setupIncompatibleCharging() {
         final List<UsbPort> usbPorts = new ArrayList<>();
         usbPorts.add(mUsbPort);
         when(mUsbManager.getPorts()).thenReturn(usbPorts);
         when(mUsbPort.getStatus()).thenReturn(mUsbPortStatus);
+        when(mUsbPort.supportsComplianceWarnings()).thenReturn(true);
         when(mUsbPortStatus.isConnected()).thenReturn(true);
-        when(mUsbPortStatus.getComplianceWarnings()).thenReturn(new int[1]);
-
-        assertThat(Utils.containsIncompatibleChargers(mContext, "tag")).isFalse();
+        when(mUsbPortStatus.getComplianceWarnings()).thenReturn(new int[]{1});
     }
 }