diff --git a/tests/input/evdev/InputMocks.cpp b/tests/input/evdev/InputMocks.cpp
new file mode 100644
index 0000000..c316075
--- /dev/null
+++ b/tests/input/evdev/InputMocks.cpp
@@ -0,0 +1,406 @@
+#include "InputMocks.h"
+
+// Private test definitions of opaque HAL structs
+
+// Not used
+struct input_property_map {};
+
+// Holds the key and value from the mock host's PropertyMap
+struct input_property {
+    android::String8 key;
+    android::String8 value;
+};
+
+namespace android {
+
+bool MockInputHost::checkAllocations() const {
+    bool ret = true;
+    if (mMapAllocations != 0) {
+        ALOGE("Leaked %d device property map allocations", mMapAllocations);
+        ret = false;
+    }
+    for (auto entry : mPropertyAllocations) {
+        if (entry.second != 0) {
+            ALOGE("Leaked %d property allocation for %s", entry.second, entry.first.c_str());
+            ret = false;
+        }
+    }
+    return ret;
+}
+
+input_device_identifier_t* MockInputHost::createDeviceIdentifier(
+        const char* name, int32_t product_id, int32_t vendor_id,
+        input_bus_t bus, const char* unique_id) {
+    mDeviceId.reset(new input_device_identifier_t{
+            .name = name,
+            .productId = product_id,
+            .vendorId = vendor_id,
+            .bus = bus,
+            .uniqueId = unique_id
+            });
+    // Just return the raw pointer. We don't have a method for deallocating
+    // device identifiers yet, and they should exist throughout the lifetime of
+    // the input process for now.
+    return mDeviceId.get();
+}
+
+input_property_map_t* MockInputHost::getDevicePropertyMap(input_device_identifier_t* id) {
+    mMapAllocations++;
+    // Handled in the MockInputHost.
+    return nullptr;
+}
+
+input_property_t* MockInputHost::getDeviceProperty(input_property_map_t* map, const char* key) {
+    mPropertyAllocations[key]++;
+    return new input_property_t{.key = String8(key)};
+}
+
+const char* MockInputHost::getPropertyKey(input_property_t* property) {
+    return property->key.string();
+}
+
+const char* MockInputHost::getPropertyValue(input_property_t* property) {
+    if (!mDevicePropertyMap.tryGetProperty(property->key, property->value)) {
+        return nullptr;
+    }
+    return property->value.string();
+}
+
+void MockInputHost::freeDeviceProperty(input_property_t* property) {
+    if (property != nullptr) {
+        mPropertyAllocations[property->key.string()]--;
+        delete property;
+    }
+}
+
+void MockInputHost::freeDevicePropertyMap(input_property_map_t* map) {
+    mMapAllocations--;
+}
+
+input_host_callbacks_t kTestCallbacks = {
+    .create_device_identifier = create_device_identifier,
+    .create_device_definition = create_device_definition,
+    .create_input_report_definition = create_input_report_definition,
+    .create_output_report_definition = create_output_report_definition,
+    .input_device_definition_add_report = input_device_definition_add_report,
+    .input_report_definition_add_collection = input_report_definition_add_collection,
+    .input_report_definition_declare_usage_int = input_report_definition_declare_usage_int,
+    .input_report_definition_declare_usages_bool = input_report_definition_declare_usages_bool,
+    .register_device = register_device,
+    .input_allocate_report = input_allocate_report,
+    .input_report_set_usage_int = input_report_set_usage_int,
+    .input_report_set_usage_bool = input_report_set_usage_bool,
+    .report_event = report_event,
+    .input_get_device_property_map = input_get_device_property_map,
+    .input_get_device_property = input_get_device_property,
+    .input_get_property_key = input_get_property_key,
+    .input_get_property_value = input_get_property_value,
+    .input_free_device_property = input_free_device_property,
+    .input_free_device_property_map = input_free_device_property_map,
+};
+
+bool MockInputDeviceNode::hasKeyInRange(int32_t startKey, int32_t endKey) const {
+    auto iter = mKeys.lower_bound(startKey);
+    if (iter == mKeys.end()) return false;
+    return *iter < endKey;
+}
+
+namespace MockNexus7v2 {
+
+MockInputDeviceNode* getElanTouchscreen() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event0");
+    node->setName("elan-touchscreen");
+    // Location not set
+    // UniqueId not set
+    node->setBusType(0);
+    node->setVendorId(0);
+    node->setProductId(0);
+    node->setVersion(0);
+    // No keys
+    // No relative axes
+    // TODO: set the AbsoluteAxisInfo pointers
+    node->addAbsAxis(ABS_MT_SLOT, nullptr);
+    node->addAbsAxis(ABS_MT_TOUCH_MAJOR, nullptr);
+    node->addAbsAxis(ABS_MT_POSITION_X, nullptr);
+    node->addAbsAxis(ABS_MT_POSITION_Y, nullptr);
+    node->addAbsAxis(ABS_MT_TRACKING_ID, nullptr);
+    node->addAbsAxis(ABS_MT_PRESSURE, nullptr);
+    // No switches
+    // No forcefeedback
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getLidInput() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event1");
+    node->setName("lid_input");
+    node->setLocation("/dev/input/lid_indev");
+    // UniqueId not set
+    node->setBusType(0);
+    node->setVendorId(0);
+    node->setProductId(0);
+    node->setVersion(0);
+    // No keys
+    // No relative axes
+    // No absolute axes
+    node->addSwitch(SW_LID);
+    // No forcefeedback
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getButtonJack() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event2");
+    node->setName("apq8064-tabla-snd-card Button Jack");
+    node->setLocation("ALSA");
+    // UniqueId not set
+    node->setBusType(0);
+    node->setVendorId(0);
+    node->setProductId(0);
+    node->setVersion(0);
+    node->addKeys(BTN_0, BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7);
+    // No relative axes
+    // No absolute axes
+    // No switches
+    // No forcefeedback
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getHeadsetJack() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event3");
+    node->setName("apq8064-tabla-snd-card Headset Jack");
+    node->setLocation("ALSA");
+    // UniqueId not set
+    node->setBusType(0);
+    node->setVendorId(0);
+    node->setProductId(0);
+    node->setVersion(0);
+    // No keys
+    // No relative axes
+    // No absolute axes
+    node->addSwitch(SW_HEADPHONE_INSERT);
+    node->addSwitch(SW_MICROPHONE_INSERT);
+    node->addSwitch(SW_LINEOUT_INSERT);
+    // ASUS adds some proprietary switches, but we'll only see two of them.
+    node->addSwitch(0x0e);  // SW_HPHL_OVERCURRENT
+    node->addSwitch(0x0f);  // SW_HPHR_OVERCURRENT
+    // No forcefeedback
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getH2wButton() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event4");
+    node->setName("h2w button");
+    // Location not set
+    // UniqueId not set
+    node->setBusType(0);
+    node->setVendorId(0);
+    node->setProductId(0);
+    node->setVersion(0);
+    node->addKeys(KEY_MEDIA);
+    // No relative axes
+    // No absolute axes
+    // No switches
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getGpioKeys() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event5");
+    node->setName("gpio-keys");
+    node->setLocation("gpio-keys/input0");
+    // UniqueId not set
+    node->setBusType(0x0019);
+    node->setVendorId(0x0001);
+    node->setProductId(0x0001);
+    node->setVersion(0x0100);
+    node->addKeys(KEY_VOLUMEDOWN, KEY_VOLUMEUP, KEY_POWER);
+    // No relative axes
+    // No absolute axes
+    // No switches
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+}  // namespace MockNexus7v2
+
+namespace MockNexusPlayer {
+
+MockInputDeviceNode* getGpioKeys() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event0");
+    node->setName("gpio-keys");
+    node->setLocation("gpio-keys/input0");
+    // UniqueId not set
+    node->setBusType(0x0019);
+    node->setVendorId(0x0001);
+    node->setProductId(0x0001);
+    node->setVersion(0x0100);
+    node->addKeys(KEY_CONNECT);
+    // No relative axes
+    // No absolute axes
+    // No switches
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getMidPowerBtn() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event1");
+    node->setName("mid_powerbtn");
+    node->setLocation("power-button/input0");
+    // UniqueId not set
+    node->setBusType(0x0019);
+    node->setVendorId(0);
+    node->setProductId(0);
+    node->setVersion(0);
+    node->addKeys(KEY_POWER);
+    // No relative axes
+    // No absolute axes
+    // No switches
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getNexusRemote() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event2");
+    node->setName("Nexus Remote");
+    // Location not set
+    node->setUniqueId("78:86:D9:50:A0:54");
+    node->setBusType(0x0005);
+    node->setVendorId(0x18d1);
+    node->setProductId(0x2c42);
+    node->setVersion(0);
+    node->addKeys(KEY_UP, KEY_LEFT, KEY_RIGHT, KEY_DOWN, KEY_BACK, KEY_PLAYPAUSE,
+            KEY_HOMEPAGE, KEY_SEARCH, KEY_SELECT);
+    // No relative axes
+    node->addAbsAxis(ABS_MISC, nullptr);
+    // No switches
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    return node;
+}
+
+MockInputDeviceNode* getAsusGamepad() {
+    auto node = new MockInputDeviceNode();
+    node->setPath("/dev/input/event3");
+    node->setName("ASUS Gamepad");
+    // Location not set
+    node->setUniqueId("C5:30:CD:50:A0:54");
+    node->setBusType(0x0005);
+    node->setVendorId(0x0b05);
+    node->setProductId(0x4500);
+    node->setVersion(0x0040);
+    node->addKeys(KEY_BACK, KEY_HOMEPAGE, BTN_A, BTN_B, BTN_X, BTN_Y, BTN_TL, BTN_TR,
+            BTN_MODE, BTN_THUMBL, BTN_THUMBR);
+    // No relative axes
+    node->addAbsAxis(ABS_X, nullptr);
+    node->addAbsAxis(ABS_Y, nullptr);
+    node->addAbsAxis(ABS_Z, nullptr);
+    node->addAbsAxis(ABS_RZ, nullptr);
+    node->addAbsAxis(ABS_GAS, nullptr);
+    node->addAbsAxis(ABS_BRAKE, nullptr);
+    node->addAbsAxis(ABS_HAT0X, nullptr);
+    node->addAbsAxis(ABS_HAT0Y, nullptr);
+    node->addAbsAxis(ABS_MISC, nullptr);
+    node->addAbsAxis(0x29, nullptr);
+    node->addAbsAxis(0x2a, nullptr);
+    // No switches
+    node->addInputProperty(INPUT_PROP_DIRECT);
+    // Note: this device has MSC and LED bitmaps as well.
+    return node;
+}
+
+}  // namespace MockNexusPlayer
+
+::input_device_identifier_t* create_device_identifier(input_host_t* host,
+        const char* name, int32_t product_id, int32_t vendor_id,
+        input_bus_t bus, const char* unique_id) {
+    auto mockHost = static_cast<MockInputHost*>(host);
+    return mockHost->createDeviceIdentifier(name, product_id, vendor_id, bus, unique_id);
+}
+
+input_device_definition_t* create_device_definition(input_host_t* host) {
+    return nullptr;
+}
+
+input_report_definition_t* create_input_report_definition(input_host_t* host) {
+    return nullptr;
+}
+
+input_report_definition_t* create_output_report_definition(input_host_t* host) {
+    return nullptr;
+}
+
+void input_device_definition_add_report(input_host_t* host,
+        input_device_definition_t* d, input_report_definition_t* r) { }
+
+void input_report_definition_add_collection(input_host_t* host,
+        input_report_definition_t* report, input_collection_id_t id, int32_t arity) { }
+
+void input_report_definition_declare_usage_int(input_host_t* host,
+        input_report_definition_t* report, input_collection_id_t id,
+        input_usage_t usage, int32_t min, int32_t max, float resolution) { }
+
+void input_report_definition_declare_usages_bool(input_host_t* host,
+        input_report_definition_t* report, input_collection_id_t id,
+        input_usage_t* usage, size_t usage_count) { }
+
+
+input_device_handle_t* register_device(input_host_t* host,
+        input_device_identifier_t* id, input_device_definition_t* d) {
+    return nullptr;
+}
+
+input_report_t* input_allocate_report(input_host_t* host, input_report_definition_t* r) {
+    return nullptr;
+}
+void input_report_set_usage_int(input_host_t* host, input_report_t* r,
+        input_collection_id_t id, input_usage_t usage, int32_t value, int32_t arity_index) { }
+
+void input_report_set_usage_bool(input_host_t* host, input_report_t* r,
+        input_collection_id_t id, input_usage_t usage, bool value, int32_t arity_index) { }
+
+void report_event(input_host_t* host, input_device_handle_t* d, input_report_t* report) { }
+
+input_property_map_t* input_get_device_property_map(input_host_t* host,
+        input_device_identifier_t* id) {
+    auto mockHost = static_cast<MockInputHost*>(host);
+    return mockHost->getDevicePropertyMap(id);
+}
+
+input_property_t* input_get_device_property(input_host_t* host, input_property_map_t* map,
+        const char* key) {
+    auto mockHost = static_cast<MockInputHost*>(host);
+    return mockHost->getDeviceProperty(map, key);
+}
+
+const char* input_get_property_key(input_host_t* host, input_property_t* property) {
+    auto mockHost = static_cast<MockInputHost*>(host);
+    return mockHost->getPropertyKey(property);
+}
+
+const char* input_get_property_value(input_host_t* host, input_property_t* property) {
+    auto mockHost = static_cast<MockInputHost*>(host);
+    return mockHost->getPropertyValue(property);
+}
+
+void input_free_device_property(input_host_t* host, input_property_t* property) {
+    auto mockHost = static_cast<MockInputHost*>(host);
+    return mockHost->freeDeviceProperty(property);
+}
+
+void input_free_device_property_map(input_host_t* host, input_property_map_t* map) {
+    auto mockHost = static_cast<MockInputHost*>(host);
+    return mockHost->freeDevicePropertyMap(map);
+}
+
+}  // namespace android