diff --git a/tests/unit/src/com/android/settings/network/telephony/DisableSimFooterPreferenceControllerTest.java b/tests/unit/src/com/android/settings/network/telephony/DisableSimFooterPreferenceControllerTest.java
new file mode 100644
index 00000000000..72feb30d649
--- /dev/null
+++ b/tests/unit/src/com/android/settings/network/telephony/DisableSimFooterPreferenceControllerTest.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.network.telephony;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.network.SubscriptionUtil;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.Arrays;
+
+@RunWith(AndroidJUnit4.class)
+public class DisableSimFooterPreferenceControllerTest {
+    private static final String PREF_KEY = "pref_key";
+    private static final int SUB_ID = 111;
+
+    @Mock
+    private SubscriptionInfo mInfo;
+
+    private Context mContext;
+    @Mock
+    private SubscriptionManager mSubscriptionManager;
+    private DisableSimFooterPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(mSubscriptionManager);
+        when(mInfo.getSubscriptionId()).thenReturn(SUB_ID);
+        SubscriptionUtil.setAvailableSubscriptionsForTesting(Arrays.asList(mInfo));
+        mController = new DisableSimFooterPreferenceController(mContext, PREF_KEY);
+    }
+
+    @Test
+    public void isAvailable_noInit_notAvailable() {
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_eSIM_notAvailable() {
+        when(mInfo.isEmbedded()).thenReturn(true);
+        mController.init(SUB_ID);
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_pSIM_available_cannot_disable_pSIM() {
+        when(mInfo.isEmbedded()).thenReturn(false);
+        mController.init(SUB_ID);
+        doReturn(false).when(mSubscriptionManager).canDisablePhysicalSubscription();
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_pSIM_available_can_disable_pSIM() {
+        when(mInfo.isEmbedded()).thenReturn(false);
+        mController.init(SUB_ID);
+        doReturn(true).when(mSubscriptionManager).canDisablePhysicalSubscription();
+        assertThat(mController.isAvailable()).isFalse();
+    }
+}