libcamera/test/utils.cpp
Laurent Pinchart 53057c2a3e test: Add a utils::split() test
The test constructs a string by joining substrings, splits it, and
verifies that the original and resulting substrings match.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-02-13 16:47:56 +00:00

78 lines
1.7 KiB
C++

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2018, Google Inc.
*
* utils.cpp - Miscellaneous utility tests
*/
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include "test.h"
#include "utils.h"
using namespace std;
using namespace libcamera;
class UtilsTest : public Test
{
protected:
int run()
{
/* utils::hex() test. */
std::ostringstream os;
std::string ref;
os << utils::hex(static_cast<int32_t>(0x42)) << " ";
ref += "0x00000042 ";
os << utils::hex(static_cast<uint32_t>(0x42)) << " ";
ref += "0x00000042 ";
os << utils::hex(static_cast<int64_t>(0x42)) << " ";
ref += "0x0000000000000042 ";
os << utils::hex(static_cast<uint64_t>(0x42)) << " ";
ref += "0x0000000000000042 ";
os << utils::hex(static_cast<int32_t>(0x42), 4) << " ";
ref += "0x0042 ";
os << utils::hex(static_cast<uint32_t>(0x42), 1) << " ";
ref += "0x42 ";
os << utils::hex(static_cast<int64_t>(0x42), 4) << " ";
ref += "0x0042 ";
os << utils::hex(static_cast<uint64_t>(0x42), 1) << " ";
ref += "0x42 ";
std::string s = os.str();
if (s != ref) {
cerr << "utils::hex() test failed, expected '" << ref
<< "', got '" << s << "'";
return TestFail;
}
/* utils::split() test. */
std::vector<std::string> elements = {
"/bin",
"/usr/bin",
"",
"",
};
std::string path;
for (const auto &element : elements)
path += (path.empty() ? "" : ":") + element;
std::vector<std::string> dirs;
for (const auto &dir : utils::split(path, ":"))
dirs.push_back(dir);
if (dirs != elements) {
cerr << "utils::split() test failed" << endl;
return TestFail;
}
return TestPass;
}
};
TEST_REGISTER(UtilsTest)