tests: Add test case for std::ios_base::ate

This commit is contained in:
Chun Kuan Lee 2018-09-07 21:12:24 +08:00
parent a554cc901a
commit f86a571edb
2 changed files with 57 additions and 0 deletions

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@ -51,6 +51,7 @@ BITCOIN_TESTS =\
test/cuckoocache_tests.cpp \
test/denialofservice_tests.cpp \
test/descriptor_tests.cpp \
test/fs_tests.cpp \
test/getarg_tests.cpp \
test/hash_tests.cpp \
test/key_io_tests.cpp \

56
src/test/fs_tests.cpp Normal file
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@ -0,0 +1,56 @@
// Copyright (c) 2011-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
//
#include <fs.h>
#include <test/test_bitcoin.h>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(fs_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(fsbridge_fstream)
{
fs::path tmpfolder = SetDataDir("fsbridge_fstream");
// tmpfile1 should be the same as tmpfile2
fs::path tmpfile1 = tmpfolder / "fs_tests_₿_🏃";
fs::path tmpfile2 = tmpfolder / L"fs_tests_₿_🏃";
{
fsbridge::ofstream file(tmpfile1);
file << "bitcoin";
}
{
fsbridge::ifstream file(tmpfile2);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "bitcoin");
}
{
fsbridge::ifstream file(tmpfile1, std::ios_base::in | std::ios_base::ate);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "");
}
{
fsbridge::ofstream file(tmpfile2, std::ios_base::out | std::ios_base::app);
file << "tests";
}
{
fsbridge::ifstream file(tmpfile1);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "bitcointests");
}
{
fsbridge::ofstream file(tmpfile2, std::ios_base::out | std::ios_base::trunc);
file << "bitcoin";
}
{
fsbridge::ifstream file(tmpfile1);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "bitcoin");
}
}
BOOST_AUTO_TEST_SUITE_END()