asl/tests/buffer_tests.cpp


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#include "asl/buffer.hpp"

#include "asl/testing/testing.hpp"

struct Big
{
    uint64_t data[8];
};

static_assert(asl::buffer<int32_t>::kInlineCapacity == 5);
static_assert(asl::buffer<int64_t>::kInlineCapacity == 2);
static_assert(asl::buffer<char>::kInlineCapacity == 23);
static_assert(asl::buffer<Big>::kInlineCapacity == 0);

ASL_TEST(default_size)
{
    asl::buffer<int32_t>  b1;
    ASL_TEST_EXPECT(b1.size() == 0);
    ASL_TEST_EXPECT(b1.capacity() == 5);
    ASL_TEST_EXPECT(static_cast<const void*>(b1.data()) == &b1);

    asl::buffer<Big> b2;
    ASL_TEST_EXPECT(b2.size() == 0);
    ASL_TEST_EXPECT(b2.capacity() == 0);
    ASL_TEST_EXPECT(b2.data() == nullptr);
}

// @Todo Make test allocator that counts allocations

ASL_TEST(reserve_capacity)
{
    asl::buffer<int32_t> b;
    ASL_TEST_EXPECT(b.size() == 0);
    ASL_TEST_EXPECT(b.capacity() == 5);

    b.reserve_capacity(4);
    ASL_TEST_EXPECT(b.size() == 0);
    ASL_TEST_EXPECT(b.capacity() == 5);

    b.reserve_capacity(12);
    ASL_TEST_EXPECT(b.size() == 0);
    ASL_TEST_EXPECT(b.capacity() >= 12);

    b.reserve_capacity(13);
    ASL_TEST_EXPECT(b.size() == 0);
    ASL_TEST_EXPECT(b.capacity() >= 13);

    b.reserve_capacity(130);
    ASL_TEST_EXPECT(b.size() == 0);
    ASL_TEST_EXPECT(b.capacity() >= 130);
}