Function TEST

tests/test_buffer_assembler.cpp:61–89

} // namespace

TEST(BufferAssemblerTests, ReassemblesRowStripsIntoContiguousBuffer) {
    constexpr int stride = 8;
    constexpr int height = 4;
    constexpr std::size_t total = stride * height;
    BufferAssembler a;
    a.begin(make_begin("buf", 8, height, stride, total));

    const auto full = iota_bytes(total);

    // Feed chunk 0: first 2 rows
    ASSERT_TRUE(
        a.chunk("buf",
                0,
                2,
                std::span{full.data(), 2 * static_cast<std::size_t>(stride)}));

    // Feed chunk 1: next 2 rows
    ASSERT_TRUE(
        a.chunk("buf",
                2,
                2,
                std::span{full.data() + 2 * static_cast<std::size_t>(stride),
                          2 * static_cast<std::size_t>(stride)}));

    const auto result = a.end("buf");
    ASSERT_TRUE(result.has_value());
    EXPECT_EQ(result->bytes, full);
    EXPECT_EQ(result->variable_name, "buf");
}

TEST(BufferAssemblerTests, RejectsChunkBeyondImageHeight) {
    constexpr int stride = 8;