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Copy pathAllocatedArrayOf.test.cpp
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88 lines (64 loc) · 2.05 KB
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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}}));
}