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/* Copyright (C) 2012-2024 by László Nagy
This file is part of Bear.
Bear is a tool to generate compilation database for clang tooling.
Bear 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 3 of the License, or
(at your option) any later version.
Bear 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gtest/gtest.h"
#include "report/libexec/Array.h"
namespace {
TEST(array_end, dont_crash_on_nullptr)
{
const char** input = nullptr;
EXPECT_EQ(nullptr, el::array::end(input));
}
TEST(array_end, dont_crash_on_empty)
{
const char* input[] = { nullptr };
EXPECT_EQ(&input[0], el::array::end(input));
}
TEST(array_end, works_on_strings)
{
const char* input = "hello";
EXPECT_EQ(input + 5, el::array::end(input));
}
TEST(array_end, finds_the_last_one)
{
const char* input0 = "this";
const char* input1 = "that";
const char* input[] = { input0, input1, 0 };
EXPECT_EQ(&input[2], el::array::end(input));
}
TEST(array_length, dont_crash_on_nullptr)
{
const char** input = nullptr;
EXPECT_EQ(0, el::array::length(input));
}
TEST(array_length, dont_crash_on_empty)
{
const char* input[] = { nullptr };
EXPECT_EQ(0, el::array::length(input));
}
TEST(array_length, finds_the_last_one)
{
const char* input0 = "this";
const char* input1 = "that";
const char* input[] = { input0, input1, 0 };
EXPECT_EQ(2, el::array::length(input));
}
TEST(array_length, works_on_strings)
{
const char* input = "hello";
EXPECT_EQ(5, el::array::length(input));
}
TEST(array_copy, works_with_zero_length_input)
{
const char src[5] = "";
char dst[8] = {};
auto result = el::array::copy(src, src, dst, dst + 8);
EXPECT_EQ(dst, result);
}
TEST(array_copy, does_copy_elements_over)
{
const char src[5] = "this";
char dst[8] = {};
auto result = el::array::copy(src, src + 5, dst, dst + 8);
EXPECT_NE(result, nullptr);
EXPECT_EQ((dst + 5), result);
EXPECT_STREQ(src, dst);
}
TEST(array_copy, does_copy_elements_into_same_size)
{
const char src[5] = "this";
char dst[5] = {};
auto result = el::array::copy(src, src + 5, dst, dst + 5);
EXPECT_NE(result, nullptr);
EXPECT_EQ((dst + 5), result);
EXPECT_STREQ(src, dst);
}
TEST(array_copy, stops_when_short)
{
const char src[5] = "this";
char dst[8] = {};
auto result = el::array::copy(src, src + 5, dst, dst + 3);
EXPECT_EQ(nullptr, result);
}
}
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