diff --git a/tests/input/evdev/Android.mk b/tests/input/evdev/Android.mk
index 1d8bf43..557acba 100644
--- a/tests/input/evdev/Android.mk
+++ b/tests/input/evdev/Android.mk
@@ -9,6 +9,7 @@
     InputDevice_test.cpp \
     InputHub_test.cpp \
     InputMocks.cpp \
+    MouseInputMapper_test.cpp \
     SwitchInputMapper_test.cpp \
     TestHelpers.cpp
 
diff --git a/tests/input/evdev/InputDevice_test.cpp b/tests/input/evdev/InputDevice_test.cpp
index 8d6aa68..bd57491 100644
--- a/tests/input/evdev/InputDevice_test.cpp
+++ b/tests/input/evdev/InputDevice_test.cpp
@@ -146,6 +146,8 @@
     // only the SwitchInputMapper has been implemented.
     // TODO: move this expectation out to a common function
     EXPECT_CALL(mHost, createInputReportDefinition());
+    EXPECT_CALL(mHost, createOutputReportDefinition());
+    EXPECT_CALL(mHost, freeReportDefinition(_));
     EXPECT_CALL(mHost, registerDevice(_, _));
 
     auto node = std::shared_ptr<MockInputDeviceNode>(MockNexus7v2::getHeadsetJack());
diff --git a/tests/input/evdev/MouseInputMapper_test.cpp b/tests/input/evdev/MouseInputMapper_test.cpp
new file mode 100644
index 0000000..7e1f376
--- /dev/null
+++ b/tests/input/evdev/MouseInputMapper_test.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include <memory>
+
+#include <linux/input.h>
+
+#include <gtest/gtest.h>
+
+#include "InputMocks.h"
+#include "MockInputHost.h"
+#include "MouseInputMapper.h"
+
+using ::testing::_;
+using ::testing::Args;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::UnorderedElementsAre;
+
+namespace android {
+namespace tests {
+
+class MouseInputMapperTest : public ::testing::Test {
+protected:
+     virtual void SetUp() override {
+         mMapper = std::make_unique<MouseInputMapper>();
+     }
+
+     MockInputHost mHost;
+     std::unique_ptr<MouseInputMapper> mMapper;
+};
+
+TEST_F(MouseInputMapperTest, testConfigureDevice) {
+    MockInputReportDefinition reportDef;
+    MockInputDeviceNode deviceNode;
+    deviceNode.addKeys(BTN_LEFT, BTN_RIGHT, BTN_MIDDLE);
+    deviceNode.addRelAxis(REL_X);
+    deviceNode.addRelAxis(REL_Y);
+
+    const auto id = INPUT_COLLECTION_ID_MOUSE;
+    EXPECT_CALL(reportDef, addCollection(id, 1));
+    EXPECT_CALL(reportDef, declareUsage(id, INPUT_USAGE_AXIS_X, _, _, _));
+    EXPECT_CALL(reportDef, declareUsage(id, INPUT_USAGE_AXIS_Y, _, _, _));
+    EXPECT_CALL(reportDef, declareUsages(id, _, 3))
+        .With(Args<1,2>(UnorderedElementsAre(
+                        INPUT_USAGE_BUTTON_PRIMARY,
+                        INPUT_USAGE_BUTTON_SECONDARY,
+                        INPUT_USAGE_BUTTON_TERTIARY)));
+
+    EXPECT_TRUE(mMapper->configureInputReport(&deviceNode, &reportDef));
+}
+
+TEST_F(MouseInputMapperTest, testConfigureDevice_noXAxis) {
+    MockInputReportDefinition reportDef;
+    MockInputDeviceNode deviceNode;
+
+    EXPECT_CALL(reportDef, addCollection(INPUT_COLLECTION_ID_MOUSE, 1));
+    EXPECT_CALL(reportDef, declareUsage(_, _, _, _, _)).Times(0);
+    EXPECT_CALL(reportDef, declareUsages(_, _, _)).Times(0);
+
+    EXPECT_FALSE(mMapper->configureInputReport(&deviceNode, &reportDef));
+}
+
+TEST_F(MouseInputMapperTest, testProcessInput) {
+    MockInputReportDefinition reportDef;
+    MockInputDeviceNode deviceNode;
+    deviceNode.addKeys(BTN_LEFT, BTN_RIGHT, BTN_MIDDLE);
+    deviceNode.addRelAxis(REL_X);
+    deviceNode.addRelAxis(REL_Y);
+
+    EXPECT_CALL(reportDef, addCollection(_, _));
+    EXPECT_CALL(reportDef, declareUsage(_, _, _, _, _)).Times(2);
+    EXPECT_CALL(reportDef, declareUsages(_, _, 3));
+
+    mMapper->configureInputReport(&deviceNode, &reportDef);
+
+    MockInputReport report;
+    EXPECT_CALL(reportDef, allocateReport())
+        .WillOnce(Return(&report));
+
+    {
+        // Test two switch events in order
+        InSequence s;
+        const auto id = INPUT_COLLECTION_ID_MOUSE;
+        EXPECT_CALL(report, setIntUsage(id, INPUT_USAGE_AXIS_X, 5, 0));
+        EXPECT_CALL(report, setIntUsage(id, INPUT_USAGE_AXIS_Y, -3, 0));
+        EXPECT_CALL(report, reportEvent(_));
+        EXPECT_CALL(report, setBoolUsage(id, INPUT_USAGE_BUTTON_PRIMARY, 1, 0));
+        EXPECT_CALL(report, reportEvent(_));
+        EXPECT_CALL(report, setBoolUsage(id, INPUT_USAGE_BUTTON_PRIMARY, 0, 0));
+        EXPECT_CALL(report, reportEvent(_));
+    }
+
+    InputEvent events[] = {
+        {0, EV_REL, REL_X, 5},
+        {1, EV_REL, REL_Y, -3},
+        {2, EV_SYN, SYN_REPORT, 0},
+        {0, EV_KEY, BTN_LEFT, 1},
+        {1, EV_SYN, SYN_REPORT, 0},
+        {2, EV_KEY, BTN_LEFT, 0},
+        {3, EV_SYN, SYN_REPORT, 0},
+    };
+    for (auto e : events) {
+        mMapper->process(e);
+    }
+}
+
+}  // namespace tests
+}  // namespace android
+
diff --git a/tests/input/evdev/SwitchInputMapper_test.cpp b/tests/input/evdev/SwitchInputMapper_test.cpp
index f93041b..ee90b2c 100644
--- a/tests/input/evdev/SwitchInputMapper_test.cpp
+++ b/tests/input/evdev/SwitchInputMapper_test.cpp
@@ -54,7 +54,7 @@
         .With(Args<1,2>(UnorderedElementsAre(INPUT_USAGE_SWITCH_LID,
                         INPUT_USAGE_SWITCH_CAMERA_LENS_COVER)));
 
-    mMapper->configureInputReport(&deviceNode, &reportDef);
+    EXPECT_TRUE(mMapper->configureInputReport(&deviceNode, &reportDef));
 }
 
 TEST_F(SwitchInputMapperTest, testConfigureDevice_noSwitches) {
@@ -64,7 +64,7 @@
     EXPECT_CALL(reportDef, addCollection(_, _)).Times(0);
     EXPECT_CALL(reportDef, declareUsages(_, _, _)).Times(0);
 
-    mMapper->configureInputReport(&deviceNode, &reportDef);
+    EXPECT_FALSE(mMapper->configureInputReport(&deviceNode, &reportDef));
 }
 
 TEST_F(SwitchInputMapperTest, testProcessInput) {