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/*
Please use git log for copyright holder and year information
This file is part of libbash.
libbash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
libbash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with libbash. If not, see <http://www.gnu.org/licenses/>.
*/
///
/// \file shift_tests.cpp
/// \brief series of unit tests for shift builtin
///
#include <boost/lexical_cast.hpp>
#include <gtest/gtest.h>
#include "core/interpreter.h"
#include "cppbash_builtin.h"
#include "exceptions.h"
TEST(shift_builtin_test, bad_argument)
{
interpreter walker;
std::map<unsigned, std::string> values = {{1, "1"}, {2, "2"}, {3, "3"}};
walker.define("*", values);
EXPECT_NE(0, cppbash_builtin::exec("shift", {"-1"}, std::cout, std::cerr, std::cin, walker));
EXPECT_NE(0, cppbash_builtin::exec("shift", {"4"}, std::cout, std::cerr, std::cin, walker));
EXPECT_THROW(cppbash_builtin::exec("shift", {"1", "2"}, std::cout, std::cerr, std::cin, walker),
libbash::illegal_argument_exception);
EXPECT_THROW(cppbash_builtin::exec("shift", {"abc"}, std::cout, std::cerr, std::cin, walker),
boost::bad_lexical_cast);
}
TEST(shift_builtin_test, shift_all)
{
interpreter walker;
std::map<unsigned, std::string> values = {{1, "1"}, {2, "2"}, {3, "3"}};
walker.define("*", values);
EXPECT_EQ(0, cppbash_builtin::exec("shift", {"3"}, std::cout, std::cerr, std::cin, walker));
EXPECT_EQ(0, walker.get_array_length("*"));
}
TEST(shift_builtin_test, normal)
{
interpreter walker;
std::map<unsigned, std::string> values = {{1, "1"}, {2, "2"}, {3, "3"}};
walker.define("*", values);
EXPECT_EQ(0, cppbash_builtin::exec("shift", {"2"}, std::cout, std::cerr, std::cin, walker));
EXPECT_EQ(1, walker.get_array_length("*"));
EXPECT_STREQ("3", walker.resolve<std::string>("*", 1).c_str());
walker.define("*", values);
EXPECT_EQ(0, cppbash_builtin::exec("shift", {"1"}, std::cout, std::cerr, std::cin, walker));
EXPECT_EQ(2, walker.get_array_length("*"));
EXPECT_STREQ("2", walker.resolve<std::string>("*", 1).c_str());
EXPECT_STREQ("3", walker.resolve<std::string>("*", 2).c_str());
}
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