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* 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include "adb_utils.h"
#ifdef _WIN32
#include <windows.h>
#include <userenv.h>
#include <string>
#include <gtest/gtest.h>
#include <stdlib.h>
#include <string.h>
#include "sysdeps.h"
#include <android-base/file.h>
#include <android-base/macros.h>
#ifdef _WIN32
static std::string subdir(const char* parent, const char* child) {
std::string str(parent);
str += child;
return str;
TEST(adb_utils, directory_exists) {
#ifdef _WIN32
char profiles_dir[MAX_PATH];
DWORD cch = arraysize(profiles_dir);
// On typical Windows 7, returns C:\Users
ASSERT_TRUE(GetProfilesDirectoryA(profiles_dir, &cch));
ASSERT_FALSE(directory_exists(subdir(profiles_dir, "does-not-exist")));
#if defined(_WIN32)
TEST(adb_utils, directory_exists_win32_symlink_junction) {
char profiles_dir[MAX_PATH];
DWORD cch = arraysize(profiles_dir);
// On typical Windows 7, returns C:\Users
ASSERT_TRUE(GetProfilesDirectoryA(profiles_dir, &cch));
// On modern (English?) Windows, this is a directory symbolic link to
// C:\ProgramData. Symbolic links are rare on Windows and the user requires
// a special permission (by default granted to Administrative users) to
// create symbolic links.
EXPECT_FALSE(directory_exists(subdir(profiles_dir, "All Users")));
// On modern (English?) Windows, this is a directory junction to
// C:\Users\Default. Junctions are used throughout user profile directories
// for backwards compatibility and they don't require any special permissions
// to create.
EXPECT_FALSE(directory_exists(subdir(profiles_dir, "Default User")));
TEST(adb_utils, escape_arg) {
EXPECT_EQ(R"('')", escape_arg(""));
EXPECT_EQ(R"('abc')", escape_arg("abc"));
auto wrap = [](const std::string& x) { return '\'' + x + '\''; };
const std::string q = R"('\'')";
EXPECT_EQ(wrap(q), escape_arg("'"));
EXPECT_EQ(wrap(q + q), escape_arg("''"));
EXPECT_EQ(wrap(q + "abc" + q), escape_arg("'abc'"));
EXPECT_EQ(wrap(q + "abc"), escape_arg("'abc"));
EXPECT_EQ(wrap("abc" + q), escape_arg("abc'"));
EXPECT_EQ(wrap("abc" + q + "def"), escape_arg("abc'def"));
EXPECT_EQ(wrap("a" + q + "b" + q + "c"), escape_arg("a'b'c"));
EXPECT_EQ(wrap("a" + q + "bcde" + q + "f"), escape_arg("a'bcde'f"));
EXPECT_EQ(R"(' abc')", escape_arg(" abc"));
EXPECT_EQ(R"('"abc')", escape_arg("\"abc"));
EXPECT_EQ(R"('\abc')", escape_arg("\\abc"));
EXPECT_EQ(R"('(abc')", escape_arg("(abc"));
EXPECT_EQ(R"(')abc')", escape_arg(")abc"));
EXPECT_EQ(R"('abc abc')", escape_arg("abc abc"));
EXPECT_EQ(R"('abc"abc')", escape_arg("abc\"abc"));
EXPECT_EQ(R"('abc\abc')", escape_arg("abc\\abc"));
EXPECT_EQ(R"('abc(abc')", escape_arg("abc(abc"));
EXPECT_EQ(R"('abc)abc')", escape_arg("abc)abc"));
EXPECT_EQ(R"('abc ')", escape_arg("abc "));
EXPECT_EQ(R"('abc"')", escape_arg("abc\""));
EXPECT_EQ(R"('abc\')", escape_arg("abc\\"));
EXPECT_EQ(R"('abc(')", escape_arg("abc("));
EXPECT_EQ(R"('abc)')", escape_arg("abc)"));
void test_mkdirs(const std::string& basepath) {
// Test creating a directory hierarchy.
// Test finding an existing directory hierarchy.
// Test mkdirs on an existing hierarchy with a trailing slash.
ASSERT_TRUE(mkdirs(basepath + '/'));
#if defined(_WIN32)
ASSERT_TRUE(mkdirs(basepath + '\\'));
const std::string filepath = basepath + "/file";
// Verify that the hierarchy was created by trying to create a file in it.
ASSERT_NE(-1, adb_creat(filepath.c_str(), 0600));
// If a file exists where we want a directory, the operation should fail.
TEST(adb_utils, mkdirs) {
TemporaryDir td;
// Absolute paths.
test_mkdirs(std::string(td.path) + "/dir/subdir");
// Relative paths.
ASSERT_EQ(0, chdir(td.path)) << strerror(errno);
#if !defined(_WIN32)
TEST(adb_utils, set_file_block_mode) {
unique_fd fd(adb_open("/dev/null", O_RDWR | O_APPEND));
ASSERT_GE(fd, 0);
int flags = fcntl(fd.get(), F_GETFL, 0);
ASSERT_TRUE(set_file_block_mode(fd, false));
int new_flags = fcntl(fd.get(), F_GETFL, 0);
ASSERT_EQ(flags | O_NONBLOCK, new_flags);
ASSERT_TRUE(set_file_block_mode(fd, true));
new_flags = fcntl(fd.get(), F_GETFL, 0);
ASSERT_EQ(flags, new_flags);
TEST(adb_utils, test_forward_targets_are_valid) {
std::string error;
// Source port can be >= 0.
EXPECT_FALSE(forward_targets_are_valid("tcp:-1", "tcp:9000", &error));
EXPECT_TRUE(forward_targets_are_valid("tcp:0", "tcp:9000", &error));
EXPECT_TRUE(forward_targets_are_valid("tcp:8000", "tcp:9000", &error));
// Destination port must be >0.
EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:-1", &error));
EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:0", &error));
// Port must be a number.
EXPECT_FALSE(forward_targets_are_valid("tcp:", "tcp:9000", &error));
EXPECT_FALSE(forward_targets_are_valid("tcp:a", "tcp:9000", &error));
EXPECT_FALSE(forward_targets_are_valid("tcp:22x", "tcp:9000", &error));
EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:", &error));
EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:a", &error));
EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:22x", &error));
void TestParseUint(std::string_view string, bool expected_success, uint32_t expected_value = 0) {
// Standalone.
uint32_t value;
std::string_view remaining;
bool success = ParseUint(&value, string, &remaining);
EXPECT_EQ(success, expected_success);
if (expected_success) {
EXPECT_EQ(value, expected_value);
// With trailing text.
std::string text = std::string(string) + "foo";
uint32_t value;
std::string_view remaining;
bool success = ParseUint(&value, text, &remaining);
EXPECT_EQ(success, expected_success);
if (expected_success) {
EXPECT_EQ(value, expected_value);
EXPECT_EQ(remaining, "foo");
// With trailing text, without remaining.
std::string text = std::string(string) + "foo";
uint32_t value;
bool success = ParseUint(&value, text, nullptr);
EXPECT_EQ(success, false);
TEST(adb_utils, ParseUint) {
TestParseUint("", false);
TestParseUint("foo", false);
TestParseUint("foo123", false);
TestParseUint("-1", false);
TestParseUint("123", true, 123);
TestParseUint("9999999999999999999999999", false);
TestParseUint(std::to_string(UINT32_MAX), true, UINT32_MAX);
TestParseUint("0" + std::to_string(UINT32_MAX), true, UINT32_MAX);
TestParseUint(std::to_string(static_cast<uint64_t>(UINT32_MAX) + 1), false);
TestParseUint("0" + std::to_string(static_cast<uint64_t>(UINT32_MAX) + 1), false);
std::string x = std::to_string(UINT32_MAX) + "123";
std::string_view substr = std::string_view(x).substr(0, std::to_string(UINT32_MAX).size());
TestParseUint(substr, true, UINT32_MAX);