/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <string>
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#include <tuple>
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#include <android-base/macros.h>
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#include <gtest/gtest.h>
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#include "apex_database.h"
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namespace android {
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namespace apex {
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namespace {
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using MountedApexData = MountedApexDatabase::MountedApexData;
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TEST(MountedApexDataTest, LinearOrder) {
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constexpr const char* kLoopName[] = {"loop1", "loop2", "loop3"};
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constexpr const char* kPath[] = {"path1", "path2", "path3"};
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constexpr const char* kMount[] = {"mount1", "mount2", "mount3"};
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constexpr const char* kDm[] = {"dm1", "dm2", "dm3"};
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constexpr size_t kCount = arraysize(kLoopName) * arraysize(kPath) *
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arraysize(kMount) * arraysize(kDm);
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auto index_fn = [&](size_t i) {
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const size_t loop_index = i % arraysize(kLoopName);
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const size_t loop_rest = i / arraysize(kLoopName);
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const size_t path_index = loop_rest % arraysize(kPath);
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const size_t path_rest = loop_rest / arraysize(kPath);
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const size_t mount_index = path_rest % arraysize(kMount);
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const size_t mount_rest = path_rest / arraysize(kMount);
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;
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const size_t dm_index = mount_rest % arraysize(kDm);
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CHECK_EQ(mount_rest / arraysize(kDm), 0u);
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return std::make_tuple(loop_index, path_index, mount_index, dm_index);
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};
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MountedApexData data[kCount];
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for (size_t i = 0; i < kCount; ++i) {
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size_t loop_idx, path_idx, mount_idx, dm_idx;
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std::tie(loop_idx, path_idx, mount_idx, dm_idx) = index_fn(i);
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data[i] = MountedApexData(kLoopName[loop_idx], kPath[path_idx],
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kMount[mount_idx], kDm[dm_idx]);
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}
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for (size_t i = 0; i < kCount; ++i) {
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size_t loop_idx_i, path_idx_i, mount_idx_i, dm_idx_i;
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std::tie(loop_idx_i, path_idx_i, mount_idx_i, dm_idx_i) = index_fn(i);
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for (size_t j = i; j < kCount; ++j) {
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size_t loop_idx_j, path_idx_j, mount_idx_j, dm_idx_j;
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std::tie(loop_idx_j, path_idx_j, mount_idx_j, dm_idx_j) = index_fn(j);
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if (loop_idx_i != loop_idx_j) {
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EXPECT_EQ(loop_idx_i < loop_idx_j, data[i] < data[j]);
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continue;
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}
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if (path_idx_i != path_idx_j) {
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EXPECT_EQ(path_idx_i < path_idx_j, data[i] < data[j]);
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continue;
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}
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if (mount_idx_i != mount_idx_j) {
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EXPECT_EQ(mount_idx_i < mount_idx_j, data[i] < data[j]);
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continue;
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}
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EXPECT_EQ(dm_idx_i < dm_idx_j, data[i] < data[j]);
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}
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}
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}
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size_t CountPackages(const MountedApexDatabase& db) {
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size_t ret = 0;
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db.ForallMountedApexes([&ret](const std::string& a ATTRIBUTE_UNUSED,
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const MountedApexData& b ATTRIBUTE_UNUSED,
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bool c ATTRIBUTE_UNUSED) { ++ret; });
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return ret;
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}
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bool Contains(const MountedApexDatabase& db, const std::string& package,
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const std::string& loop_name, const std::string& full_path,
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const std::string& mount_point, const std::string& device_name) {
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bool found = false;
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db.ForallMountedApexes([&](const std::string& p, const MountedApexData& d,
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bool b ATTRIBUTE_UNUSED) {
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if (package == p && loop_name == d.loop_name && full_path == d.full_path &&
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mount_point == d.mount_point && device_name == d.device_name) {
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found = true;
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}
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});
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return found;
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}
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bool ContainsPackage(const MountedApexDatabase& db, const std::string& package,
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const std::string& loop_name, const std::string& full_path,
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const std::string& mount_point, const std::string& dm) {
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bool found = false;
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db.ForallMountedApexes(
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package, [&](const MountedApexData& d, bool b ATTRIBUTE_UNUSED) {
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if (loop_name == d.loop_name && full_path == d.full_path &&
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dm == d.device_name) {
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found = true;
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}
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});
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return found;
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}
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TEST(ApexDatabaseTest, AddRemovedMountedApex) {
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constexpr const char* kPackage = "package";
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constexpr const char* kLoopName = "loop";
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constexpr const char* kPath = "path";
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constexpr const char* kMountPoint = "mount";
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constexpr const char* kDeviceName = "dev";
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MountedApexDatabase db;
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ASSERT_EQ(CountPackages(db), 0u);
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db.AddMountedApex(kPackage, false, kLoopName, kPath, kMountPoint,
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kDeviceName);
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ASSERT_TRUE(
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Contains(db, kPackage, kLoopName, kPath, kMountPoint, kDeviceName));
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ASSERT_TRUE(ContainsPackage(db, kPackage, kLoopName, kPath, kMountPoint,
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kDeviceName));
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db.RemoveMountedApex(kPackage, kPath);
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EXPECT_FALSE(
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Contains(db, kPackage, kLoopName, kPath, kMountPoint, kDeviceName));
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EXPECT_FALSE(ContainsPackage(db, kPackage, kLoopName, kPath, kMountPoint,
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kDeviceName));
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}
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TEST(ApexDatabaseTest, MountMultiple) {
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constexpr const char* kPackage[] = {"package", "package", "package",
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"package"};
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constexpr const char* kLoopName[] = {"loop", "loop2", "loop3", "loop4"};
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constexpr const char* kPath[] = {"path", "path2", "path", "path4"};
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constexpr const char* kMountPoint[] = {"mount", "mount2", "mount", "mount4"};
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constexpr const char* kDeviceName[] = {"dev", "dev2", "dev3", "dev4"};
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MountedApexDatabase db;
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ASSERT_EQ(CountPackages(db), 0u);
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for (size_t i = 0; i < arraysize(kPackage); ++i) {
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db.AddMountedApex(kPackage[i], false, kLoopName[i], kPath[i],
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kMountPoint[i], kDeviceName[i]);
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}
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ASSERT_EQ(CountPackages(db), 4u);
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for (size_t i = 0; i < arraysize(kPackage); ++i) {
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ASSERT_TRUE(Contains(db, kPackage[i], kLoopName[i], kPath[i],
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kMountPoint[i], kDeviceName[i]));
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ASSERT_TRUE(ContainsPackage(db, kPackage[i], kLoopName[i], kPath[i],
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kMountPoint[i], kDeviceName[i]));
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}
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db.RemoveMountedApex(kPackage[0], kPath[0]);
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EXPECT_FALSE(Contains(db, kPackage[0], kLoopName[0], kPath[0], kMountPoint[0],
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kDeviceName[0]));
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EXPECT_FALSE(ContainsPackage(db, kPackage[0], kLoopName[0], kPath[0],
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kMountPoint[0], kDeviceName[0]));
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EXPECT_TRUE(Contains(db, kPackage[1], kLoopName[1], kPath[1], kMountPoint[1],
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kDeviceName[1]));
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EXPECT_TRUE(ContainsPackage(db, kPackage[1], kLoopName[1], kPath[1],
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kMountPoint[1], kDeviceName[1]));
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EXPECT_TRUE(Contains(db, kPackage[2], kLoopName[2], kPath[2], kMountPoint[2],
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kDeviceName[2]));
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EXPECT_TRUE(ContainsPackage(db, kPackage[2], kLoopName[2], kPath[2],
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kMountPoint[2], kDeviceName[2]));
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EXPECT_TRUE(Contains(db, kPackage[3], kLoopName[3], kPath[3], kMountPoint[3],
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kDeviceName[3]));
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EXPECT_TRUE(ContainsPackage(db, kPackage[3], kLoopName[3], kPath[3],
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kMountPoint[3], kDeviceName[3]));
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}
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#pragma clang diagnostic push
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// error: 'ReturnSentinel' was marked unused but was used
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// [-Werror,-Wused-but-marked-unused]
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#pragma clang diagnostic ignored "-Wused-but-marked-unused"
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TEST(MountedApexDataTest, NoDuplicateLoop) {
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ASSERT_DEATH(
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{
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MountedApexDatabase db;
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db.AddMountedApex("package", false, "loop", "path", "mount", "dm");
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db.AddMountedApex("package2", false, "loop", "path2", "mount2", "dm2");
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},
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"Duplicate loop device: loop");
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}
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TEST(MountedApexDataTest, NoDuplicateDm) {
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ASSERT_DEATH(
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{
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MountedApexDatabase db;
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db.AddMountedApex("package", false, "loop", "path", "mount", "dm");
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db.AddMountedApex("package2", false, "loop2", "path2", "mount2", "dm");
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},
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"Duplicate dm device: dm");
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}
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#pragma clang diagnostic pop
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} // namespace
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} // namespace apex
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} // namespace android
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int main(int argc, char** argv) {
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android::base::InitLogging(argv, &android::base::StderrLogger);
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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