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#include <library/cpp/yt/misc/range_helpers.h>
#include <library/cpp/testing/gtest/gtest.h>
#include <list>
namespace NYT {
namespace {
////////////////////////////////////////////////////////////////////////////////
TEST(TRangeHelpersTest, ZipMutable)
{
std::vector<int> vectorA(4);
std::vector<int> vectorB = {1, 2, 3};
for (auto [a, b] : ZipMutable(vectorA, vectorB)) {
*a = *b + 1;
}
auto expectedA = std::vector<int>{2, 3, 4, 0};
EXPECT_EQ(expectedA, vectorA);
}
////////////////////////////////////////////////////////////////////////////////
TEST(TRangeHelpersTest, RangeToVector)
{
auto data = std::vector<std::string>{"A", "B", "C", "D"};
auto range = std::ranges::views::transform(data, [] (std::string x) {
return "_" + x;
});
std::initializer_list<std::string> expectedValues{"_A", "_B", "_C", "_D"};
EXPECT_EQ(std::vector<std::string>(expectedValues), RangeTo<std::vector<std::string>>(range));
using TListStrings = std::list<std::string>;
EXPECT_EQ(TListStrings(expectedValues), RangeTo<TListStrings>(range));
}
TEST(TRangeHelpersTest, RangeToString)
{
auto data = "_sample_"sv;
auto range = std::ranges::views::filter(data, [] (char x) {
return x != '_';
});
auto expectedData = "sample"sv;
EXPECT_EQ(std::string(expectedData), RangeTo<std::string>(range));
EXPECT_EQ(TString(expectedData), RangeTo<TString>(range));
}
////////////////////////////////////////////////////////////////////////////////
TEST(TRangeHelpersTest, MonadicRangeToVector)
{
auto data = std::vector<std::string>{"A", "B", "C", "D"};
auto range = std::ranges::views::transform(data, [] (std::string x) {
return "_" + x;
});
std::initializer_list<std::string> expectedValues{"_A", "_B", "_C", "_D"};
EXPECT_EQ(std::vector<std::string>(expectedValues), range | RangeTo<std::vector<std::string>>());
using TListStrings = std::list<std::string>;
EXPECT_EQ(TListStrings(expectedValues), range | RangeTo<TListStrings>());
}
TEST(TRangeHelpersTest, MonadicRangeToString)
{
auto data = "_sample_"sv;
auto range = std::ranges::views::filter(data, [] (char x) {
return x != '_';
});
auto expectedData = "sample"sv;
EXPECT_EQ(std::string(expectedData), range | RangeTo<std::string>());
EXPECT_EQ(TString(expectedData), range | RangeTo<TString>());
}
////////////////////////////////////////////////////////////////////////////////
TEST(TRangeHelpersTest, Fold)
{
EXPECT_EQ(0, FoldRange(std::vector<int>{}, std::plus{}));
EXPECT_EQ(6, FoldRange(std::vector<int>{1, 2, 3}, std::plus{}));
EXPECT_EQ(5, FoldRange(
std::vector<std::vector<int>>{{1, 2}, {3, 4, 5}},
std::plus{},
std::ranges::ssize));
}
////////////////////////////////////////////////////////////////////////////////
TEST(TRangeHelpersTest, StaticRangeToVector)
{
EXPECT_EQ(StaticRangeTo<std::vector<int>>(1), std::vector<int>{1});
auto expected = std::vector<int>{1, 2, 10};
auto result = StaticRangeTo<std::vector<int>>(1, 2, 10);
EXPECT_EQ(result, expected);
}
TEST(TRangeHelpersTest, StaticRangeToVectorMoveOnly)
{
auto result = StaticRangeTo<std::vector<std::unique_ptr<int>>>(std::make_unique<int>(1), std::make_unique<int>(2));
ASSERT_EQ(std::ssize(result), 2);
EXPECT_EQ(*result[0], 1);
EXPECT_EQ(*result[1], 2);
}
TEST(TRangeHelpersTest, TStaticRangeToVector)
{
EXPECT_EQ(static_cast<std::vector<int>>(TStaticRange{1}), std::vector<int>{1});
auto expected = std::vector<int>{1, 2, 10};
std::vector<int> result = TStaticRange{1, 2, 10};
EXPECT_EQ(result, expected);
}
TEST(TRangeHelpersTest, TStaticRangeToVectorMoveOnly)
{
std::vector<std::unique_ptr<int>> result = TStaticRange(std::make_unique<int>(1), std::make_unique<int>(2));
ASSERT_EQ(std::ssize(result), 2);
EXPECT_EQ(*result[0], 1);
EXPECT_EQ(*result[1], 2);
}
////////////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace NYT
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