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101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
#include <catch2/catch_test_macros.hpp>
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#include "openmc/cell.h"
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#include "openmc/surface.h"
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#include <pugixml.hpp>
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namespace {
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// Helper class to set up and tear down test surfaces
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class SurfaceFixture {
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public:
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SurfaceFixture()
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{
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pugi::xml_document doc;
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pugi::xml_node surf_node = doc.append_child("surface");
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surf_node.set_name("surface");
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surf_node.append_attribute("id") = "0";
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surf_node.append_attribute("type") = "x-plane";
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surf_node.append_attribute("coeffs") = "1";
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for (int i = 1; i < 10; ++i) {
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surf_node.attribute("id") = i;
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openmc::model::surfaces.push_back(
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std::make_unique<openmc::SurfaceXPlane>(surf_node));
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openmc::model::surface_map[i] = i - 1;
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}
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}
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~SurfaceFixture()
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{
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openmc::model::surfaces.clear();
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openmc::model::surface_map.clear();
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}
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};
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} // anonymous namespace
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TEST_CASE("Test region simplification")
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{
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SurfaceFixture fixture;
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SECTION("Original bug case from issue #3685")
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{
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// Input: "-1 2 (-3 4) | (-5 6)" was being incorrectly interpreted
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auto region = openmc::Region("(-1 2 (-3 4) | (-5 6))", 0);
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REQUIRE(region.str() == " ( ( -1 2 ( -3 4 ) ) | ( -5 6 ) )");
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}
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SECTION("Simple union - no extra parentheses needed")
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{
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auto region = openmc::Region("1 | 2", 0);
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REQUIRE(region.str() == " 1 | 2");
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}
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SECTION("Intersection then union")
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{
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// Intersection should have higher precedence, so (1 2) grouped
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auto region = openmc::Region("1 2 | 3", 0);
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REQUIRE(region.str() == " ( 1 2 ) | 3");
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}
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SECTION("Union then intersection")
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{
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// The (2 3) intersection should be grouped
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auto region = openmc::Region("1 | 2 3", 0);
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REQUIRE(region.str() == " 1 | ( 2 3 )");
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}
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SECTION("Nested parentheses preserved")
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{
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// These parentheses are meaningful and should be preserved
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auto region = openmc::Region("(1 | 2) (3 | 4)", 0);
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REQUIRE(region.str() == " ( 1 | 2 ) ( 3 | 4 )");
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}
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SECTION("Deep nesting")
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{
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auto region = openmc::Region("((1 2) | (3 4)) 5", 0);
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REQUIRE(region.str() == " ( ( 1 2 ) | ( 3 4 ) ) 5");
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}
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SECTION("Multiple unions")
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{
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auto region = openmc::Region("1 | 2 | 3", 0);
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REQUIRE(region.str() == " 1 | 2 | 3");
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}
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SECTION("Multiple intersections")
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{
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auto region = openmc::Region("1 2 3", 0);
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// Simple cell - no operators in output
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REQUIRE(region.str() == " 1 2 3");
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}
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SECTION("Complex mixed expression")
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{
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auto region = openmc::Region("1 2 | 3 4 | 5 6", 0);
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REQUIRE(region.str() == " ( 1 2 ) | ( 3 4 ) | ( 5 6 )");
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}
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}
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