blob: 7ee5c61eb95f75762f283396a69e130163b5c72b [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/gamepad/gamepad_id_list.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace device {
TEST(GamepadIdTest, NoDuplicateIds) {
// Each vendor/product ID pair and each gamepad ID should appear only once in
// the table of known gamepads. This ensures that there are no duplicates, and
// also that no two known devices map to the same ID.
const auto gamepads = GamepadIdList::Get().GetGamepadListForTesting();
std::unordered_set<uint32_t> seen_vendor_product_ids;
std::unordered_set<GamepadId> seen_gamepad_ids;
for (const auto& item : gamepads) {
uint16_t vendor = std::get<0>(item);
uint16_t product = std::get<1>(item);
uint32_t vendor_product_id = (vendor << 16) | product;
GamepadId gamepad_id = GamepadIdList::Get().GetGamepadId(vendor, product);
EXPECT_NE(gamepad_id, GamepadId::kUnknownGamepad);
EXPECT_EQ(seen_vendor_product_ids.size(), gamepads.size());
EXPECT_EQ(seen_gamepad_ids.size(), gamepads.size());
} // namespace device