co-cpp19/src/array19.lib/array19/AllocatedArrayOf.test.cpp at develop · basicpp/co-cpp19 · GitHub

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#include "AllocatedArrayOf.h"

#include "AllocatedArrayOf.equals.h"

#include "AllocatedArrayOf.ostream.h"

#include "SliceOf.carray.h"

#include "SliceOf.equals.h"

#include "SliceOf.ostream.h"

#include <gtest/gtest.h>

#include <utility>

using namespace array19;

TEST(AllocatedArrayOf, construct) {

auto v = AllocatedArrayOf{1, 2, 3};

ASSERT_EQ(sliceOfCArray({1, 2, 3}), SliceOf{v});

}

namespace {

struct NonTrivial;

using NonTrivialArray = AllocatedArrayOf<NonTrivial>;

struct User {

NonTrivialArray v;

User() = default;

};

struct NonTrivial {

NonTrivial() : v(1) {}

explicit NonTrivial(int v) : v(v) {}

NonTrivial(const NonTrivial& o) : v(o.v) {}

NonTrivial& operator=(const NonTrivial& o) { return v = o.v, *this; }

NonTrivial(NonTrivial&& o) noexcept : v(o.v) {}

NonTrivial& operator=(NonTrivial&& o) noexcept { return v = o.v, *this; }

~NonTrivial() noexcept { c = false; }

bool operator==(const NonTrivial&) const = default;

int value() const { return v; }

private:

bool c{true};

int v;

};

[[maybe_unused]] auto operator<<(std::ostream& out, const NonTrivial& c) -> std::ostream& { return out << c.value(); }

} // namespace

TEST(AllocatedArrayOf, NontrivialExample) {

auto v = AllocatedArrayOf<NonTrivial>{};

EXPECT_TRUE(v.isEmpty());

ASSERT_EQ(v.count(), 0u);

v = AllocatedArrayOf{NonTrivial{}, NonTrivial{2}};

ASSERT_EQ(v.count(), 2u);

auto v2 = v;

ASSERT_EQ(v, v2);

}

TEST(AllocatedArrayOf, MoveAssignAfterMove) {

using E = NonTrivial;

using AA = AllocatedArrayOf<E>;

auto v = AA{E{1}};

auto v2 = std::move(v);

ASSERT_EQ(v2, (AA{E{1}}));

v = AA{E{2}, E{3}};

ASSERT_EQ(v, (AA{E{2}, E{3}}));

}

TEST(AllocatedArrayOf, CopyAssignAfterMove) {

using E = NonTrivial;

using AA = AllocatedArrayOf<E>;

auto v = AA{E{1}};

auto v2 = std::move(v);

ASSERT_EQ(v2, (AA{E{1}}));

auto v3 = AA{E{2}, E{3}};

v = v3;

ASSERT_EQ(v, (AA{E{2}, E{3}}));

}

co-cpp19/src/array19.lib/array19/AllocatedArrayOf.test.cpp at develop · basicpp/co-cpp19 · GitHub

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