Merge "Add unit test for FastPairDataProvider." into tm-mainline-prod
diff --git a/bpf_progs/Android.bp b/bpf_progs/Android.bp
index ef2a6e7..b1144b4 100644
--- a/bpf_progs/Android.bp
+++ b/bpf_progs/Android.bp
@@ -25,8 +25,14 @@
     name: "bpf_connectivity_headers",
     vendor_available: false,
     host_supported: false,
-    header_libs: ["bpf_headers"],
-    export_header_lib_headers: ["bpf_headers"],
+    header_libs: [
+        "bpf_headers",
+        "libnetdbinder_utils_headers",  // for XtBpfProgLocations.h
+    ],
+    export_header_lib_headers: [
+        "bpf_headers",
+        "libnetdbinder_utils_headers",  // for XtBpfProgLocations.h
+    ],
     export_include_dirs: ["."],
     cflags: [
         "-Wall",
@@ -37,7 +43,7 @@
     apex_available: [
         "//apex_available:platform",
         "com.android.tethering",
-        ],
+    ],
     visibility: [
         "//packages/modules/Connectivity/netd",
         "//packages/modules/Connectivity/service",
@@ -47,7 +53,6 @@
         "//packages/modules/Connectivity/tests/native",
         "//packages/modules/Connectivity/service-t/native/libs/libnetworkstats",
         "//packages/modules/Connectivity/tests/unit/jni",
-        "//system/netd/server",
         "//system/netd/tests",
     ],
 }
@@ -103,13 +108,11 @@
         "-Wall",
         "-Werror",
     ],
-    include_dirs: [
-        "frameworks/libs/net/common/netd/libnetdutils/include",
-    ],
     sub_dir: "net_shared",
 }
 
 bpf {
+    // WARNING: Android T's non-updatable netd depends on 'netd' string for xt_bpf programs it loads
     name: "netd.o",
     srcs: ["netd.c"],
     btf: true,
@@ -117,8 +120,6 @@
         "-Wall",
         "-Werror",
     ],
-    include_dirs: [
-        "frameworks/libs/net/common/netd/libnetdutils/include",
-    ],
+    // WARNING: Android T's non-updatable netd depends on 'netd_shared' string for xt_bpf programs
     sub_dir: "netd_shared",
 }
diff --git a/bpf_progs/bpf_shared.h b/bpf_progs/bpf_shared.h
index 706dd1d..0556253 100644
--- a/bpf_progs/bpf_shared.h
+++ b/bpf_progs/bpf_shared.h
@@ -21,6 +21,11 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 
+#ifdef __cplusplus
+#include <string_view>
+#include "XtBpfProgLocations.h"
+#endif
+
 // This header file is shared by eBPF kernel programs (C) and netd (C++) and
 // some of the maps are also accessed directly from Java mainline module code.
 //
@@ -98,14 +103,33 @@
 static const int CONFIGURATION_MAP_SIZE = 2;
 static const int UID_OWNER_MAP_SIZE = 2000;
 
+#ifdef __cplusplus
+
 #define BPF_NETD_PATH "/sys/fs/bpf/netd_shared/"
 
 #define BPF_EGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_cgroupskb_egress_stats"
 #define BPF_INGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_cgroupskb_ingress_stats"
-#define XT_BPF_INGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_ingress_xtbpf"
-#define XT_BPF_EGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_egress_xtbpf"
-#define XT_BPF_ALLOWLIST_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_allowlist_xtbpf"
-#define XT_BPF_DENYLIST_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_denylist_xtbpf"
+
+#define ASSERT_STRING_EQUAL(s1, s2) \
+  static_assert(std::string_view(s1) == std::string_view(s2), "mismatch vs Android T netd")
+
+/* -=-=-=-=- WARNING -=-=-=-=-
+ *
+ * These 4 xt_bpf program paths are actually defined by:
+ *   //system/netd/include/binder_utils/XtBpfProgLocations.h
+ * which is intentionally a non-automerged location.
+ *
+ * They are *UNCHANGEABLE* due to being hard coded in Android T's netd binary
+ * as such we have compile time asserts that things match.
+ * (which will be validated during build on mainline-prod branch against old system/netd)
+ *
+ * If you break this, netd on T will fail to start with your tethering mainline module.
+ */
+ASSERT_STRING_EQUAL(XT_BPF_INGRESS_PROG_PATH,   BPF_NETD_PATH "prog_netd_skfilter_ingress_xtbpf");
+ASSERT_STRING_EQUAL(XT_BPF_EGRESS_PROG_PATH,    BPF_NETD_PATH "prog_netd_skfilter_egress_xtbpf");
+ASSERT_STRING_EQUAL(XT_BPF_ALLOWLIST_PROG_PATH, BPF_NETD_PATH "prog_netd_skfilter_allowlist_xtbpf");
+ASSERT_STRING_EQUAL(XT_BPF_DENYLIST_PROG_PATH,  BPF_NETD_PATH "prog_netd_skfilter_denylist_xtbpf");
+
 #define CGROUP_SOCKET_PROG_PATH BPF_NETD_PATH "prog_netd_cgroupsock_inet_create"
 
 #define TC_BPF_INGRESS_ACCOUNT_PROG_NAME "prog_netd_schedact_ingress_account"
@@ -122,6 +146,8 @@
 #define UID_OWNER_MAP_PATH BPF_NETD_PATH "map_netd_uid_owner_map"
 #define UID_PERMISSION_MAP_PATH BPF_NETD_PATH "map_netd_uid_permission_map"
 
+#endif // __cplusplus
+
 enum UidOwnerMatchType {
     NO_MATCH = 0,
     HAPPY_BOX_MATCH = (1 << 0),
@@ -168,16 +194,6 @@
 // Entry in the configuration map that stores which stats map is currently in use.
 #define CURRENT_STATS_MAP_CONFIGURATION_KEY 2
 
-#define BPF_CLATD_PATH "/sys/fs/bpf/net_shared/"
-
-#define CLAT_INGRESS6_PROG_RAWIP_NAME "prog_clatd_schedcls_ingress6_clat_rawip"
-#define CLAT_INGRESS6_PROG_ETHER_NAME "prog_clatd_schedcls_ingress6_clat_ether"
-
-#define CLAT_INGRESS6_PROG_RAWIP_PATH BPF_CLATD_PATH CLAT_INGRESS6_PROG_RAWIP_NAME
-#define CLAT_INGRESS6_PROG_ETHER_PATH BPF_CLATD_PATH CLAT_INGRESS6_PROG_ETHER_NAME
-
-#define CLAT_INGRESS6_MAP_PATH BPF_CLATD_PATH "map_clatd_clat_ingress6_map"
-
 typedef struct {
     uint32_t iif;            // The input interface index
     struct in6_addr pfx96;   // The source /96 nat64 prefix, bottom 32 bits must be 0
@@ -191,14 +207,6 @@
 } ClatIngress6Value;
 STRUCT_SIZE(ClatIngress6Value, 4 + 4);  // 8
 
-#define CLAT_EGRESS4_PROG_RAWIP_NAME "prog_clatd_schedcls_egress4_clat_rawip"
-#define CLAT_EGRESS4_PROG_ETHER_NAME "prog_clatd_schedcls_egress4_clat_ether"
-
-#define CLAT_EGRESS4_PROG_RAWIP_PATH BPF_CLATD_PATH CLAT_EGRESS4_PROG_RAWIP_NAME
-#define CLAT_EGRESS4_PROG_ETHER_PATH BPF_CLATD_PATH CLAT_EGRESS4_PROG_ETHER_NAME
-
-#define CLAT_EGRESS4_MAP_PATH BPF_CLATD_PATH "map_clatd_clat_egress4_map"
-
 typedef struct {
     uint32_t iif;           // The input interface index
     struct in_addr local4;  // The source IPv4 address
diff --git a/bpf_progs/netd.c b/bpf_progs/netd.c
index 2711bef..8f72f7c 100644
--- a/bpf_progs/netd.c
+++ b/bpf_progs/netd.c
@@ -28,7 +28,6 @@
 #include <linux/ipv6.h>
 #include <linux/pkt_cls.h>
 #include <linux/tcp.h>
-#include <netdutils/UidConstants.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include "bpf_net_helpers.h"
@@ -78,7 +77,9 @@
 DEFINE_BPF_MAP_NO_NETD(iface_index_name_map, HASH, uint32_t, IfaceValue, IFACE_INDEX_NAME_MAP_SIZE)
 
 static __always_inline int is_system_uid(uint32_t uid) {
-    return (uid <= MAX_SYSTEM_UID) && (uid >= MIN_SYSTEM_UID);
+    // MIN_SYSTEM_UID is AID_ROOT == 0, so uint32_t is *always* >= 0
+    // MAX_SYSTEM_UID is AID_NOBODY == 9999, while AID_APP_START == 10000
+    return (uid < AID_APP_START);
 }
 
 /*
@@ -317,6 +318,7 @@
     return bpf_traffic_account(skb, BPF_EGRESS);
 }
 
+// WARNING: Android T's non-updatable netd depends on the name of this program.
 DEFINE_BPF_PROG("skfilter/egress/xtbpf", AID_ROOT, AID_NET_ADMIN, xt_bpf_egress_prog)
 (struct __sk_buff* skb) {
     // Clat daemon does not generate new traffic, all its traffic is accounted for already
@@ -336,6 +338,7 @@
     return BPF_MATCH;
 }
 
+// WARNING: Android T's non-updatable netd depends on the name of this program.
 DEFINE_BPF_PROG("skfilter/ingress/xtbpf", AID_ROOT, AID_NET_ADMIN, xt_bpf_ingress_prog)
 (struct __sk_buff* skb) {
     // Clat daemon traffic is not accounted by virtue of iptables raw prerouting drop rule
@@ -358,6 +361,7 @@
     return TC_ACT_UNSPEC;
 }
 
+// WARNING: Android T's non-updatable netd depends on the name of this program.
 DEFINE_BPF_PROG("skfilter/allowlist/xtbpf", AID_ROOT, AID_NET_ADMIN, xt_bpf_allowlist_prog)
 (struct __sk_buff* skb) {
     uint32_t sock_uid = bpf_get_socket_uid(skb);
@@ -375,6 +379,7 @@
     return BPF_NOMATCH;
 }
 
+// WARNING: Android T's non-updatable netd depends on the name of this program.
 DEFINE_BPF_PROG("skfilter/denylist/xtbpf", AID_ROOT, AID_NET_ADMIN, xt_bpf_denylist_prog)
 (struct __sk_buff* skb) {
     uint32_t sock_uid = bpf_get_socket_uid(skb);
@@ -392,7 +397,7 @@
      * user at install time so we only check the appId part of a request uid at
      * run time. See UserHandle#isSameApp for detail.
      */
-    uint32_t appId = (gid_uid & 0xffffffff) % PER_USER_RANGE;
+    uint32_t appId = (gid_uid & 0xffffffff) % AID_USER_OFFSET;  // == PER_USER_RANGE == 100000
     uint8_t* permissions = bpf_uid_permission_map_lookup_elem(&appId);
     if (!permissions) {
         // UID not in map. Default to just INTERNET permission.
diff --git a/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/BluetoothAdvertiserTest.java b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/BluetoothAdvertiserTest.java
new file mode 100644
index 0000000..8468ed1
--- /dev/null
+++ b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/BluetoothAdvertiserTest.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2022 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.server.nearby.common.bluetooth.testability.android.bluetooth.le;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.verify;
+
+import android.bluetooth.le.AdvertiseCallback;
+import android.bluetooth.le.AdvertiseData;
+import android.bluetooth.le.AdvertiseSettings;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SdkSuppress;
+import androidx.test.filters.SmallTest;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+/**
+ * Unit tests for {@link BluetoothLeAdvertiser}.
+ */
+@Presubmit
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class BluetoothAdvertiserTest {
+    @Mock android.bluetooth.le.BluetoothLeAdvertiser mWrappedBluetoothLeAdvertiser;
+    @Mock AdvertiseSettings mAdvertiseSettings;
+    @Mock AdvertiseData mAdvertiseData;
+    @Mock AdvertiseCallback mAdvertiseCallback;
+
+    BluetoothLeAdvertiser mBluetoothLeAdvertiser;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mBluetoothLeAdvertiser = BluetoothLeAdvertiser.wrap(mWrappedBluetoothLeAdvertiser);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testWrapNullAdapter_isNull() {
+        assertThat(BluetoothLeAdvertiser.wrap(null)).isNull();
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testWrapNonNullAdapter_isNotNull_unWrapSame() {
+        assertThat(mWrappedBluetoothLeAdvertiser).isNotNull();
+        assertThat(mBluetoothLeAdvertiser.unwrap()).isSameInstanceAs(mWrappedBluetoothLeAdvertiser);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStartAdvertisingThreeParameters_callsWrapped() {
+        doNothing().when(mWrappedBluetoothLeAdvertiser)
+                .startAdvertising(mAdvertiseSettings, mAdvertiseData, mAdvertiseCallback);
+        mBluetoothLeAdvertiser
+                .startAdvertising(mAdvertiseSettings, mAdvertiseData, mAdvertiseCallback);
+        verify(mWrappedBluetoothLeAdvertiser).startAdvertising(
+                mAdvertiseSettings, mAdvertiseData, mAdvertiseCallback);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStartAdvertisingFourParameters_callsWrapped() {
+        doNothing().when(mWrappedBluetoothLeAdvertiser).startAdvertising(
+                mAdvertiseSettings, mAdvertiseData, mAdvertiseData, mAdvertiseCallback);
+        mBluetoothLeAdvertiser.startAdvertising(
+                mAdvertiseSettings, mAdvertiseData, mAdvertiseData, mAdvertiseCallback);
+        verify(mWrappedBluetoothLeAdvertiser).startAdvertising(
+                mAdvertiseSettings, mAdvertiseData, mAdvertiseData, mAdvertiseCallback);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStopAdvertising_callsWrapped() {
+        doNothing().when(mWrappedBluetoothLeAdvertiser).stopAdvertising(mAdvertiseCallback);
+        mBluetoothLeAdvertiser.stopAdvertising(mAdvertiseCallback);
+        verify(mWrappedBluetoothLeAdvertiser).stopAdvertising(mAdvertiseCallback);
+    }
+}
diff --git a/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/BluetoothLeScannerTest.java b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/BluetoothLeScannerTest.java
new file mode 100644
index 0000000..3fce54f
--- /dev/null
+++ b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/BluetoothLeScannerTest.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2022 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.server.nearby.common.bluetooth.testability.android.bluetooth.le;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.PendingIntent;
+import android.bluetooth.le.ScanFilter;
+import android.bluetooth.le.ScanSettings;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SdkSuppress;
+import androidx.test.filters.SmallTest;
+
+import com.google.common.collect.ImmutableList;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+/**
+ * Unit tests for {@link BluetoothLeScanner}.
+ */
+@Presubmit
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class BluetoothLeScannerTest {
+    @Mock android.bluetooth.le.BluetoothLeScanner mWrappedBluetoothLeScanner;
+    @Mock PendingIntent mPendingIntent;
+    @Mock ScanSettings mScanSettings;
+    @Mock ScanFilter mScanFilter;
+
+    TestScanCallback mTestScanCallback = new TestScanCallback();
+    BluetoothLeScanner mBluetoothLeScanner;
+    ImmutableList<ScanFilter> mImmutableScanFilterList;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mBluetoothLeScanner = BluetoothLeScanner.wrap(mWrappedBluetoothLeScanner);
+        mImmutableScanFilterList = ImmutableList.of(mScanFilter);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testWrapNullAdapter_isNull() {
+        assertThat(BluetoothLeAdvertiser.wrap(null)).isNull();
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testWrapNonNullAdapter_isNotNull_unWrapSame() {
+        assertThat(mWrappedBluetoothLeScanner).isNotNull();
+        assertThat(mBluetoothLeScanner.unwrap()).isSameInstanceAs(mWrappedBluetoothLeScanner);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStartScan_callsWrapped() {
+        doNothing().when(mWrappedBluetoothLeScanner).startScan(mTestScanCallback.unwrap());
+        mBluetoothLeScanner.startScan(mTestScanCallback);
+        verify(mWrappedBluetoothLeScanner).startScan(mTestScanCallback.unwrap());
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStartScanWithFiltersCallback_callsWrapped() {
+        doNothing().when(mWrappedBluetoothLeScanner)
+                .startScan(mImmutableScanFilterList, mScanSettings, mTestScanCallback.unwrap());
+        mBluetoothLeScanner.startScan(mImmutableScanFilterList, mScanSettings, mTestScanCallback);
+        verify(mWrappedBluetoothLeScanner)
+                .startScan(mImmutableScanFilterList, mScanSettings, mTestScanCallback.unwrap());
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStartScanWithFiltersCallbackIntent_callsWrapped() {
+        when(mWrappedBluetoothLeScanner.startScan(
+                mImmutableScanFilterList, mScanSettings, mPendingIntent)).thenReturn(1);
+        mBluetoothLeScanner.startScan(mImmutableScanFilterList, mScanSettings, mPendingIntent);
+        verify(mWrappedBluetoothLeScanner)
+                .startScan(mImmutableScanFilterList, mScanSettings, mPendingIntent);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStopScan_callsWrapped() {
+        doNothing().when(mWrappedBluetoothLeScanner).stopScan(mTestScanCallback.unwrap());
+        mBluetoothLeScanner.stopScan(mTestScanCallback);
+        verify(mWrappedBluetoothLeScanner).stopScan(mTestScanCallback.unwrap());
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 32, codeName = "T")
+    public void testStopScanPendingIntent_callsWrapped() {
+        doNothing().when(mWrappedBluetoothLeScanner).stopScan(mPendingIntent);
+        mBluetoothLeScanner.stopScan(mPendingIntent);
+        verify(mWrappedBluetoothLeScanner).stopScan(mPendingIntent);
+    }
+
+    private static class TestScanCallback extends ScanCallback {};
+}
diff --git a/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/ScanCallbackTest.java b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/ScanCallbackTest.java
new file mode 100644
index 0000000..6d68486
--- /dev/null
+++ b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/ScanCallbackTest.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2022 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.server.nearby.common.bluetooth.testability.android.bluetooth.le;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
+import com.google.common.collect.ImmutableList;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+/**
+ * Unit tests for {@link ScanCallback}.
+ */
+@Presubmit
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class ScanCallbackTest {
+    @Mock android.bluetooth.le.ScanResult mScanResult;
+
+    TestScanCallback mTestScanCallback = new TestScanCallback();
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void testOnScanFailed_notCrash() {
+        mTestScanCallback.unwrap().onScanFailed(1);
+    }
+
+    @Test
+    public void testOnScanResult_notCrash() {
+        mTestScanCallback.unwrap().onScanResult(1, mScanResult);
+    }
+
+    @Test
+    public void testOnBatchScanResult_notCrash() {
+        mTestScanCallback.unwrap().onBatchScanResults(ImmutableList.of(mScanResult));
+    }
+
+    private static class TestScanCallback extends ScanCallback { }
+}
diff --git a/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/ScanResultTest.java b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/ScanResultTest.java
new file mode 100644
index 0000000..255c178
--- /dev/null
+++ b/nearby/tests/unit/src/com/android/server/nearby/common/bluetooth/testability/android/bluetooth/le/ScanResultTest.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2022 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.server.nearby.common.bluetooth.testability.android.bluetooth.le;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+/**
+ * Unit tests for {@link ScanResult}.
+ */
+@Presubmit
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class ScanResultTest {
+
+    @Mock android.bluetooth.le.ScanResult mWrappedScanResult;
+    @Mock android.bluetooth.le.ScanRecord mScanRecord;
+    @Mock android.bluetooth.BluetoothDevice mBluetoothDevice;
+    ScanResult mScanResult;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mScanResult = ScanResult.wrap(mWrappedScanResult);
+    }
+
+    @Test
+    public void testGetScanRecord_calledWrapped() {
+        when(mWrappedScanResult.getScanRecord()).thenReturn(mScanRecord);
+        assertThat(mScanResult.getScanRecord()).isSameInstanceAs(mScanRecord);
+    }
+
+    @Test
+    public void testGetRssi_calledWrapped() {
+        when(mWrappedScanResult.getRssi()).thenReturn(3);
+        assertThat(mScanResult.getRssi()).isEqualTo(3);
+    }
+
+    @Test
+    public void testGetTimestampNanos_calledWrapped() {
+        when(mWrappedScanResult.getTimestampNanos()).thenReturn(4L);
+        assertThat(mScanResult.getTimestampNanos()).isEqualTo(4L);
+    }
+
+    @Test
+    public void testGetDevice_calledWrapped() {
+        when(mWrappedScanResult.getDevice()).thenReturn(mBluetoothDevice);
+        assertThat(mScanResult.getDevice().unwrap()).isSameInstanceAs(mBluetoothDevice);
+    }
+}
diff --git a/tests/cts/net/src/android/net/cts/RateLimitTest.java b/tests/cts/net/src/android/net/cts/RateLimitTest.java
index 423f213..28cec1a 100644
--- a/tests/cts/net/src/android/net/cts/RateLimitTest.java
+++ b/tests/cts/net/src/android/net/cts/RateLimitTest.java
@@ -304,7 +304,7 @@
         // If this value is too low, this test might become flaky because of the burst value that
         // allows to send at a higher data rate for a short period of time. The faster the data rate
         // and the longer the test, the less this test will be affected.
-        final long dataLimitInBytesPerSecond = 1_000_000; // 1MB/s
+        final long dataLimitInBytesPerSecond = 2_000_000; // 2MB/s
         long resultInBytesPerSecond = runIngressDataRateMeasurement(Duration.ofSeconds(1));
         assertGreaterThan("Failed initial test with rate limit disabled", resultInBytesPerSecond,
                 dataLimitInBytesPerSecond);
@@ -315,9 +315,9 @@
         waitForTcPoliceFilterInstalled(Duration.ofSeconds(1));
 
         resultInBytesPerSecond = runIngressDataRateMeasurement(Duration.ofSeconds(10));
-        // Add 1% tolerance to reduce test flakiness. Burst size is constant at 128KiB.
+        // Add 10% tolerance to reduce test flakiness. Burst size is constant at 128KiB.
         assertLessThan("Failed test with rate limit enabled", resultInBytesPerSecond,
-                (long) (dataLimitInBytesPerSecond * 1.01));
+                (long) (dataLimitInBytesPerSecond * 1.1));
 
         ConnectivitySettingsManager.setIngressRateLimitInBytesPerSecond(mContext, -1);