libs/input/tests/InputDevice_test.cpp - platform/frameworks/native - Git at Google


            
            /*

            
             * Copyright (C) 2019 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 <binder/Binder.h>

            
            #include <binder/Parcel.h>

            
            #include <gtest/gtest.h>

            
            #include <input/InputDevice.h>

            
            #include <input/KeyLayoutMap.h>

            
            #include <input/Keyboard.h>

            
            #include <linux/uinput.h>

            
            #include "android-base/file.h"


            namespace android {


            // --- InputDeviceIdentifierTest ---


            TEST(InputDeviceIdentifierTest, getCanonicalName) {

            
                InputDeviceIdentifier identifier;

            
                identifier.name = "test device";

            
                ASSERT_EQ(std::string("test_device"), identifier.getCanonicalName());


                identifier.name = "deviceName-123 version_C!";

            
                ASSERT_EQ(std::string("deviceName-123_version_C_"), identifier.getCanonicalName());

            
            }


            class InputDeviceKeyMapTest : public testing::Test {

            
            protected:

            
                void loadKeyLayout(const char* name) {

            
                    std::string path =

            
                            getInputDeviceConfigurationFilePathByName(name,

            
                                                                      InputDeviceConfigurationFileType::

            
                                                                              KEY_LAYOUT);

            
                    ASSERT_FALSE(path.empty());

            
                    base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(path);

            
                    ASSERT_TRUE(ret.ok()) << "Cannot load KeyLayout at " << path;

            
                    mKeyMap.keyLayoutMap = std::move(*ret);

            
                    mKeyMap.keyLayoutFile = path;

            
                }


                void loadKeyCharacterMap(const char* name) {

            
                    InputDeviceIdentifier identifier;

            
                    identifier.name = name;

            
                    std::string path =

            
                            getInputDeviceConfigurationFilePathByName(identifier.getCanonicalName(),

            
                                                                      InputDeviceConfigurationFileType::

            
                                                                              KEY_CHARACTER_MAP);

            
                    ASSERT_FALSE(path.empty()) << "KeyCharacterMap for " << name << " not found";

            
                    base::Result<std::shared_ptr<KeyCharacterMap>> ret =

            
                            KeyCharacterMap::load(path, KeyCharacterMap::Format::BASE);

            
                    ASSERT_TRUE(ret.ok()) << "Cannot load KeyCharacterMap at " << path;

            
                    mKeyMap.keyCharacterMap = *ret;

            
                    mKeyMap.keyCharacterMapFile = path;

            
                }


                void SetUp() override {

            
            #if !defined(__ANDROID__)

            
                    GTEST_SKIP() << "b/253299089 Generic files are currently read directly from device.";

            
            #endif

            
                    loadKeyLayout("Generic");

            
                    loadKeyCharacterMap("Generic");

            
                }


                KeyMap mKeyMap;

            
            };


            TEST_F(InputDeviceKeyMapTest, keyCharacterMapParcelingTest) {

            
                Parcel parcel;

            
                mKeyMap.keyCharacterMap->writeToParcel(&parcel);

            
                parcel.setDataPosition(0);

            
                std::shared_ptr<KeyCharacterMap> map = KeyCharacterMap::readFromParcel(&parcel);

            
                // Verify the key character map is the same as original

            
                ASSERT_EQ(*map, *mKeyMap.keyCharacterMap);

            
            }


            TEST_F(InputDeviceKeyMapTest, keyCharacterMapWithOverlayParcelingTest) {

            
                Parcel parcel;

            
                std::string overlayPath = base::GetExecutableDirectory() + "/data/german.kcm";

            
                base::Result<std::shared_ptr<KeyCharacterMap>> overlay =

            
                        KeyCharacterMap::load(overlayPath, KeyCharacterMap::Format::OVERLAY);

            
                ASSERT_TRUE(overlay.ok()) << "Cannot load KeyCharacterMap at " << overlayPath;

            
                mKeyMap.keyCharacterMap->combine(*overlay->get());

            
                mKeyMap.keyCharacterMap->writeToParcel(&parcel);

            
                parcel.setDataPosition(0);

            
                std::shared_ptr<KeyCharacterMap> map = KeyCharacterMap::readFromParcel(&parcel);

            
                ASSERT_EQ(*map, *mKeyMap.keyCharacterMap);

            
            }


            TEST_F(InputDeviceKeyMapTest, keyCharacterMapApplyMultipleOverlaysTest) {

            
                std::string frenchOverlayPath = base::GetExecutableDirectory() + "/data/french.kcm";

            
                std::string englishOverlayPath = base::GetExecutableDirectory() + "/data/english_us.kcm";

            
                std::string germanOverlayPath = base::GetExecutableDirectory() + "/data/german.kcm";

            
                base::Result<std::shared_ptr<KeyCharacterMap>> frenchOverlay =

            
                        KeyCharacterMap::load(frenchOverlayPath, KeyCharacterMap::Format::OVERLAY);

            
                ASSERT_TRUE(frenchOverlay.ok()) << "Cannot load KeyCharacterMap at " << frenchOverlayPath;

            
                base::Result<std::shared_ptr<KeyCharacterMap>> englishOverlay =

            
                        KeyCharacterMap::load(englishOverlayPath, KeyCharacterMap::Format::OVERLAY);

            
                ASSERT_TRUE(englishOverlay.ok()) << "Cannot load KeyCharacterMap at " << englishOverlayPath;

            
                base::Result<std::shared_ptr<KeyCharacterMap>> germanOverlay =

            
                        KeyCharacterMap::load(germanOverlayPath, KeyCharacterMap::Format::OVERLAY);

            
                ASSERT_TRUE(germanOverlay.ok()) << "Cannot load KeyCharacterMap at " << germanOverlayPath;


                // Apply the French overlay

            
                mKeyMap.keyCharacterMap->combine(*frenchOverlay->get());

            
                // Copy the result for later

            
                std::shared_ptr<KeyCharacterMap> frenchOverlaidKeyCharacterMap =

            
                        std::make_shared<KeyCharacterMap>(*mKeyMap.keyCharacterMap);


                // Apply the English overlay

            
                mKeyMap.keyCharacterMap->combine(*englishOverlay->get());

            
                // Verify that the result is different from the French overlay result

            
                ASSERT_NE(*mKeyMap.keyCharacterMap, *frenchOverlaidKeyCharacterMap);


                // Apply the German overlay

            
                mKeyMap.keyCharacterMap->combine(*germanOverlay->get());

            
                // Verify that the result is different from the French overlay result

            
                ASSERT_NE(*mKeyMap.keyCharacterMap, *frenchOverlaidKeyCharacterMap);


                // Apply the French overlay

            
                mKeyMap.keyCharacterMap->combine(*frenchOverlay->get());

            
                // Verify that the result is the same like after applying it initially

            
                ASSERT_EQ(*mKeyMap.keyCharacterMap, *frenchOverlaidKeyCharacterMap);

            
            }


            TEST_F(InputDeviceKeyMapTest, keyCharacterMapApplyOverlayTest) {

            
                std::string frenchOverlayPath = base::GetExecutableDirectory() + "/data/french.kcm";

            
                base::Result<std::shared_ptr<KeyCharacterMap>> frenchOverlay =

            
                        KeyCharacterMap::load(frenchOverlayPath, KeyCharacterMap::Format::OVERLAY);

            
                ASSERT_TRUE(frenchOverlay.ok()) << "Cannot load KeyCharacterMap at " << frenchOverlayPath;


                // Apply the French overlay

            
                mKeyMap.keyCharacterMap->combine(*frenchOverlay->get());


                // Check if mapping for key_Q is correct

            
                int32_t outKeyCode;

            
                status_t mapKeyResult = mKeyMap.keyCharacterMap->mapKey(KEY_Q, /*usageCode=*/0, &outKeyCode);

            
                ASSERT_EQ(mapKeyResult, OK) << "No mapping for KEY_Q for " << frenchOverlayPath;

            
                ASSERT_EQ(outKeyCode, AKEYCODE_A);


                mapKeyResult = mKeyMap.keyCharacterMap->mapKey(KEY_E, /*usageCode=*/0, &outKeyCode);

            
                ASSERT_NE(mapKeyResult, OK) << "Mapping exists for KEY_E for " << frenchOverlayPath;

            
            }


            TEST_F(InputDeviceKeyMapTest, keyCharacterMapBadAxisLabel) {

            
                std::string klPath = base::GetExecutableDirectory() + "/data/bad_axis_label.kl";


                base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);

            
                ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;

            
            }


            TEST_F(InputDeviceKeyMapTest, keyCharacterMapBadLedLabel) {

            
                std::string klPath = base::GetExecutableDirectory() + "/data/bad_led_label.kl";


                base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);

            
                ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;

            
            }


            TEST(InputDeviceKeyLayoutTest, HidUsageCodesFallbackMapping) {

            
                std::string klPath = base::GetExecutableDirectory() + "/data/hid_fallback_mapping.kl";

            
                base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);

            
                ASSERT_TRUE(ret.ok()) << "Unable to load KeyLayout at " << klPath;

            
                const std::shared_ptr<KeyLayoutMap>& keyLayoutMap = *ret;


                static constexpr std::array<int32_t, 5> hidUsageCodesWithoutFallback = {0x0c0067, 0x0c0070,

            
                                                                                        0x0c006F, 0x0c0079,

            
                                                                                        0x0c007A};

            
                for (int32_t hidUsageCode : hidUsageCodesWithoutFallback) {

            
                    int32_t outKeyCode;

            
                    uint32_t outFlags;

            
                    keyLayoutMap->mapKey(0, hidUsageCode, &outKeyCode, &outFlags);

            
                    ASSERT_FALSE(outFlags & POLICY_FLAG_FALLBACK_USAGE_MAPPING)

            
                            << "HID usage code should not be marked as fallback";

            
                    std::vector<int32_t> usageCodes = keyLayoutMap->findUsageCodesForKey(outKeyCode);

            
                    ASSERT_NE(std::find(usageCodes.begin(), usageCodes.end(), hidUsageCode), usageCodes.end())

            
                            << "Fallback usage code should be mapped to key";

            
                }


                static constexpr std::array<int32_t, 6> hidUsageCodesWithFallback = {0x0c007C, 0x0c0173,

            
                                                                                     0x0c019C, 0x0c01A2,

            
                                                                                     0x0d0044, 0x0d005a};

            
                for (int32_t hidUsageCode : hidUsageCodesWithFallback) {

            
                    int32_t outKeyCode;

            
                    uint32_t outFlags;

            
                    keyLayoutMap->mapKey(0, hidUsageCode, &outKeyCode, &outFlags);

            
                    ASSERT_TRUE(outFlags & POLICY_FLAG_FALLBACK_USAGE_MAPPING)

            
                            << "HID usage code should be marked as fallback";

            
                    std::vector<int32_t> usageCodes = keyLayoutMap->findUsageCodesForKey(outKeyCode);

            
                    ASSERT_EQ(std::find(usageCodes.begin(), usageCodes.end(), hidUsageCode), usageCodes.end())

            
                            << "Fallback usage code should not be mapped to key";

            
                }

            
            }


            TEST(InputDeviceKeyLayoutTest, DoesNotLoadWhenRequiredKernelConfigIsMissing) {

            
            #if !defined(__ANDROID__)

            
                GTEST_SKIP() << "Can't check kernel configs on host";

            
            #endif

            
                std::string klPath = base::GetExecutableDirectory() + "/data/kl_with_required_fake_config.kl";

            
                base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);

            
                ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;

            
                // We assert error message here because it's used by 'validatekeymaps' tool

            
                ASSERT_EQ("Missing kernel config", ret.error().message());

            
            }


            TEST(InputDeviceKeyLayoutTest, LoadsWhenRequiredKernelConfigIsPresent) {

            
            #if !defined(__ANDROID__)

            
                GTEST_SKIP() << "Can't check kernel configs on host";

            
            #endif

            
                std::string klPath = base::GetExecutableDirectory() + "/data/kl_with_required_real_config.kl";

            
                base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);

            
                ASSERT_TRUE(ret.ok()) << "Cannot load KeyLayout at " << klPath;

            
                const std::shared_ptr<KeyLayoutMap>& map = *ret;

            
                ASSERT_NE(nullptr, map) << "Map should be valid because CONFIG_UHID should always be present";

            
            }


            } // namespace android
	/*
	* Copyright (C) 2019 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 <binder/Binder.h>
	#include <binder/Parcel.h>
	#include <gtest/gtest.h>
	#include <input/InputDevice.h>
	#include <input/KeyLayoutMap.h>
	#include <input/Keyboard.h>
	#include <linux/uinput.h>
	#include "android-base/file.h"

	namespace android {

	// --- InputDeviceIdentifierTest ---

	TEST(InputDeviceIdentifierTest, getCanonicalName) {
	InputDeviceIdentifier identifier;
	identifier.name = "test device";
	ASSERT_EQ(std::string("test_device"), identifier.getCanonicalName());

	identifier.name = "deviceName-123 version_C!";
	ASSERT_EQ(std::string("deviceName-123_version_C_"), identifier.getCanonicalName());
	}

	class InputDeviceKeyMapTest : public testing::Test {
	protected:
	void loadKeyLayout(const char* name) {
	std::string path =
	getInputDeviceConfigurationFilePathByName(name,
	InputDeviceConfigurationFileType::
	KEY_LAYOUT);
	ASSERT_FALSE(path.empty());
	base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(path);
	ASSERT_TRUE(ret.ok()) << "Cannot load KeyLayout at " << path;
	mKeyMap.keyLayoutMap = std::move(*ret);
	mKeyMap.keyLayoutFile = path;
	}

	void loadKeyCharacterMap(const char* name) {
	InputDeviceIdentifier identifier;
	identifier.name = name;
	std::string path =
	getInputDeviceConfigurationFilePathByName(identifier.getCanonicalName(),
	InputDeviceConfigurationFileType::
	KEY_CHARACTER_MAP);
	ASSERT_FALSE(path.empty()) << "KeyCharacterMap for " << name << " not found";
	base::Result<std::shared_ptr<KeyCharacterMap>> ret =
	KeyCharacterMap::load(path, KeyCharacterMap::Format::BASE);
	ASSERT_TRUE(ret.ok()) << "Cannot load KeyCharacterMap at " << path;
	mKeyMap.keyCharacterMap = *ret;
	mKeyMap.keyCharacterMapFile = path;
	}

	void SetUp() override {
	#if !defined(__ANDROID__)
	GTEST_SKIP() << "b/253299089 Generic files are currently read directly from device.";
	#endif
	loadKeyLayout("Generic");
	loadKeyCharacterMap("Generic");
	}

	KeyMap mKeyMap;
	};

	TEST_F(InputDeviceKeyMapTest, keyCharacterMapParcelingTest) {
	Parcel parcel;
	mKeyMap.keyCharacterMap->writeToParcel(&parcel);
	parcel.setDataPosition(0);
	std::shared_ptr<KeyCharacterMap> map = KeyCharacterMap::readFromParcel(&parcel);
	// Verify the key character map is the same as original
	ASSERT_EQ(map, mKeyMap.keyCharacterMap);
	}

	TEST_F(InputDeviceKeyMapTest, keyCharacterMapWithOverlayParcelingTest) {
	Parcel parcel;
	std::string overlayPath = base::GetExecutableDirectory() + "/data/german.kcm";
	base::Result<std::shared_ptr<KeyCharacterMap>> overlay =
	KeyCharacterMap::load(overlayPath, KeyCharacterMap::Format::OVERLAY);
	ASSERT_TRUE(overlay.ok()) << "Cannot load KeyCharacterMap at " << overlayPath;
	mKeyMap.keyCharacterMap->combine(*overlay->get());
	mKeyMap.keyCharacterMap->writeToParcel(&parcel);
	parcel.setDataPosition(0);
	std::shared_ptr<KeyCharacterMap> map = KeyCharacterMap::readFromParcel(&parcel);
	ASSERT_EQ(map, mKeyMap.keyCharacterMap);
	}

	TEST_F(InputDeviceKeyMapTest, keyCharacterMapApplyMultipleOverlaysTest) {
	std::string frenchOverlayPath = base::GetExecutableDirectory() + "/data/french.kcm";
	std::string englishOverlayPath = base::GetExecutableDirectory() + "/data/english_us.kcm";
	std::string germanOverlayPath = base::GetExecutableDirectory() + "/data/german.kcm";
	base::Result<std::shared_ptr<KeyCharacterMap>> frenchOverlay =
	KeyCharacterMap::load(frenchOverlayPath, KeyCharacterMap::Format::OVERLAY);
	ASSERT_TRUE(frenchOverlay.ok()) << "Cannot load KeyCharacterMap at " << frenchOverlayPath;
	base::Result<std::shared_ptr<KeyCharacterMap>> englishOverlay =
	KeyCharacterMap::load(englishOverlayPath, KeyCharacterMap::Format::OVERLAY);
	ASSERT_TRUE(englishOverlay.ok()) << "Cannot load KeyCharacterMap at " << englishOverlayPath;
	base::Result<std::shared_ptr<KeyCharacterMap>> germanOverlay =
	KeyCharacterMap::load(germanOverlayPath, KeyCharacterMap::Format::OVERLAY);
	ASSERT_TRUE(germanOverlay.ok()) << "Cannot load KeyCharacterMap at " << germanOverlayPath;

	// Apply the French overlay
	mKeyMap.keyCharacterMap->combine(*frenchOverlay->get());
	// Copy the result for later
	std::shared_ptr<KeyCharacterMap> frenchOverlaidKeyCharacterMap =
	std::make_shared<KeyCharacterMap>(*mKeyMap.keyCharacterMap);

	// Apply the English overlay
	mKeyMap.keyCharacterMap->combine(*englishOverlay->get());
	// Verify that the result is different from the French overlay result
	ASSERT_NE(mKeyMap.keyCharacterMap, frenchOverlaidKeyCharacterMap);

	// Apply the German overlay
	mKeyMap.keyCharacterMap->combine(*germanOverlay->get());
	// Verify that the result is different from the French overlay result
	ASSERT_NE(mKeyMap.keyCharacterMap, frenchOverlaidKeyCharacterMap);

	// Apply the French overlay
	mKeyMap.keyCharacterMap->combine(*frenchOverlay->get());
	// Verify that the result is the same like after applying it initially
	ASSERT_EQ(mKeyMap.keyCharacterMap, frenchOverlaidKeyCharacterMap);
	}

	TEST_F(InputDeviceKeyMapTest, keyCharacterMapApplyOverlayTest) {
	std::string frenchOverlayPath = base::GetExecutableDirectory() + "/data/french.kcm";
	base::Result<std::shared_ptr<KeyCharacterMap>> frenchOverlay =
	KeyCharacterMap::load(frenchOverlayPath, KeyCharacterMap::Format::OVERLAY);
	ASSERT_TRUE(frenchOverlay.ok()) << "Cannot load KeyCharacterMap at " << frenchOverlayPath;

	// Apply the French overlay
	mKeyMap.keyCharacterMap->combine(*frenchOverlay->get());

	// Check if mapping for key_Q is correct
	int32_t outKeyCode;
	status_t mapKeyResult = mKeyMap.keyCharacterMap->mapKey(KEY_Q, /usageCode=/0, &outKeyCode);
	ASSERT_EQ(mapKeyResult, OK) << "No mapping for KEY_Q for " << frenchOverlayPath;
	ASSERT_EQ(outKeyCode, AKEYCODE_A);

	mapKeyResult = mKeyMap.keyCharacterMap->mapKey(KEY_E, /usageCode=/0, &outKeyCode);
	ASSERT_NE(mapKeyResult, OK) << "Mapping exists for KEY_E for " << frenchOverlayPath;
	}

	TEST_F(InputDeviceKeyMapTest, keyCharacterMapBadAxisLabel) {
	std::string klPath = base::GetExecutableDirectory() + "/data/bad_axis_label.kl";

	base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
	ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;
	}

	TEST_F(InputDeviceKeyMapTest, keyCharacterMapBadLedLabel) {
	std::string klPath = base::GetExecutableDirectory() + "/data/bad_led_label.kl";

	base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
	ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;
	}

	TEST(InputDeviceKeyLayoutTest, HidUsageCodesFallbackMapping) {
	std::string klPath = base::GetExecutableDirectory() + "/data/hid_fallback_mapping.kl";
	base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
	ASSERT_TRUE(ret.ok()) << "Unable to load KeyLayout at " << klPath;
	const std::shared_ptr<KeyLayoutMap>& keyLayoutMap = *ret;

	static constexpr std::array<int32_t, 5> hidUsageCodesWithoutFallback = {0x0c0067, 0x0c0070,
	0x0c006F, 0x0c0079,
	0x0c007A};
	for (int32_t hidUsageCode : hidUsageCodesWithoutFallback) {
	int32_t outKeyCode;
	uint32_t outFlags;
	keyLayoutMap->mapKey(0, hidUsageCode, &outKeyCode, &outFlags);
	ASSERT_FALSE(outFlags & POLICY_FLAG_FALLBACK_USAGE_MAPPING)
	<< "HID usage code should not be marked as fallback";
	std::vector<int32_t> usageCodes = keyLayoutMap->findUsageCodesForKey(outKeyCode);
	ASSERT_NE(std::find(usageCodes.begin(), usageCodes.end(), hidUsageCode), usageCodes.end())
	<< "Fallback usage code should be mapped to key";
	}

	static constexpr std::array<int32_t, 6> hidUsageCodesWithFallback = {0x0c007C, 0x0c0173,
	0x0c019C, 0x0c01A2,
	0x0d0044, 0x0d005a};
	for (int32_t hidUsageCode : hidUsageCodesWithFallback) {
	int32_t outKeyCode;
	uint32_t outFlags;
	keyLayoutMap->mapKey(0, hidUsageCode, &outKeyCode, &outFlags);
	ASSERT_TRUE(outFlags & POLICY_FLAG_FALLBACK_USAGE_MAPPING)
	<< "HID usage code should be marked as fallback";
	std::vector<int32_t> usageCodes = keyLayoutMap->findUsageCodesForKey(outKeyCode);
	ASSERT_EQ(std::find(usageCodes.begin(), usageCodes.end(), hidUsageCode), usageCodes.end())
	<< "Fallback usage code should not be mapped to key";
	}
	}

	TEST(InputDeviceKeyLayoutTest, DoesNotLoadWhenRequiredKernelConfigIsMissing) {
	#if !defined(__ANDROID__)
	GTEST_SKIP() << "Can't check kernel configs on host";
	#endif
	std::string klPath = base::GetExecutableDirectory() + "/data/kl_with_required_fake_config.kl";
	base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
	ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;
	// We assert error message here because it's used by 'validatekeymaps' tool
	ASSERT_EQ("Missing kernel config", ret.error().message());
	}

	TEST(InputDeviceKeyLayoutTest, LoadsWhenRequiredKernelConfigIsPresent) {
	#if !defined(__ANDROID__)
	GTEST_SKIP() << "Can't check kernel configs on host";
	#endif
	std::string klPath = base::GetExecutableDirectory() + "/data/kl_with_required_real_config.kl";
	base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
	ASSERT_TRUE(ret.ok()) << "Cannot load KeyLayout at " << klPath;
	const std::shared_ptr<KeyLayoutMap>& map = *ret;
	ASSERT_NE(nullptr, map) << "Map should be valid because CONFIG_UHID should always be present";
	}

	} // namespace android