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OrcaSlicer/tests/libnest2d/libnest2d_tests.cpp
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HanifKoh 84657ff11e Add Missing Includes Across the Remaining Sources and Tests (#16071)
* Ignore Clipper, libpng, mcut and Boost.Polygon Internals in clang-tidy

Each only works through a wrapper or umbrella header: libslic3r/clipper.hpp or clipper_z.hpp configure Clipper before including it, png.h pulls in libpng's config headers, and Boost.Polygon's headers only compile through polygon.hpp or voronoi.hpp.

* Ignore minilzo's Config Headers in clang-tidy

lzoconf.h and lzodefs.h are internal to minilzo.h, which is what the code includes.

* Add Missing Includes Across the Remaining Sources and Tests

Covers src/slic3r/Utils, src/slic3r/plugin, src/slic3r/Config, src/libvgcode, src/dev-utils, src/OrcaSlicer.cpp and tests/, the directories left after src/slic3r/GUI and src/libslic3r. Generated with clang-tidy misc-include-cleaner. libvgcode's own headers are included by relative path as in the rest of that library, and Catch2 and pybind11 with angle brackets as elsewhere in the repo.

* Make the GUI and Test Headers Compile on Their Own

Each now includes, or forward-declares, what it uses instead of relying on what its includers happened to include first. Headers that only compile on one platform, or that nothing built includes, are left alone.

* Keep Windows and nanosvg Setup Ahead of the Added Includes

OrcaSlicer.cpp and several tests set _WIN32_WINNT, WIN32_LEAN_AND_MEAN or NOMINMAX before including Windows.h, and the profile validator defines NANOSVG_IMPLEMENTATION before any libslic3r header. The added includes had landed above those blocks, which broke the Windows build.

* Add the GUI Includes the First Pass Missed

Covers headers that only became editable once they compiled on their own, and wx symbols whose suggested header changed as the clang-tidy ignore list grew after the src/slic3r/GUI pass.

* Keep the Added Test Includes Below the NOMINMAX Guard

test_marchingsquares.cpp and test_texture_displacement.cpp had includes inside #ifndef NOMINMAX, which the tests inherit as defined on Windows from libslic3r, so those were skipped there. .clang-tidy also ignores the MSVC STL and UCRT internals, Boost.Multiprecision's fwd.hpp and CPython's Windows include directory, as in #16068.
2026-10-03 13:45:21 +08:00

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C++

#include <catch2/catch_all.hpp>
#include "libnest2d/libnest2d.hpp"
#include <vector>
#include <cstddef>
#include "libnest2d/nester.hpp"
#include <catch2/catch_test_macros.hpp>
#include "libnest2d_test_utils.hpp"
using namespace libnest2d;
// Basic behaviour of the Item type and the high-level nest() entry point:
// items copy independently, and nest() leaves degenerate or oversized items
// untouched.
TEST_CASE("Item construction and copy", "[Nesting]") {
Item sh = { {0, 0}, {1, 0}, {1, 1}, {0, 1} };
REQUIRE(sh.vertexCount() == 4u);
Item sh2({ {0, 0}, {1, 0}, {1, 1}, {0, 1} });
REQUIRE(sh2.vertexCount() == 4u);
Item sh3 = sh2; // copy
REQUIRE(sh3.vertexCount() == 4u);
sh2 = {}; // clearing the original leaves the copy intact
REQUIRE(sh2.vertexCount() == 0u);
REQUIRE(sh3.vertexCount() == 4u);
}
TEST_CASE("nest() leaves an empty or zero-area item untouched", "[Nesting]") {
auto bin = Box(250000000, 210000000);
std::vector<Item> items;
items.emplace_back(Item{}); // empty item
items.emplace_back(Item{ {0, 200} }); // zero-area item
size_t bins = nest(items, bin);
REQUIRE(bins == 0u);
for (const auto &itm : items) REQUIRE(itm.binId() == BIN_ID_UNSET);
}
TEST_CASE("nest() leaves an item larger than the bin untouched", "[Nesting]") {
auto bin = Box(250000000, 210000000);
std::vector<Item> items;
items.emplace_back(RectangleItem{250000001, 210000001}); // larger than the bin
size_t bins = nest(items, bin);
REQUIRE(bins == 0u);
REQUIRE(items.front().binId() == BIN_ID_UNSET);
}