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get rid of the string copy and make the deep clone have a recursive limit

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This commit is contained in:
Aaron Kimbrell
2025-10-06 22:25:05 -05:00
parent f25f49d42c
commit 74766fe6f9
2 changed files with 94 additions and 12 deletions
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84
tests/dCommonTests/LxfmlTests.cpp
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@@ -296,3 +296,87 @@ TEST(LxfmlTests, MixedValidInvalidTransformsHandling) {
}) << "Mixed valid/invalid transform processing should not cause fatal errors";
}
}
TEST(LxfmlTests, DeepCloneDepthProtection) {
// Test that deep cloning has protection against excessive nesting
// Create a deeply nested XML structure that would exceed reasonable limits
std::string deeplyNestedLxfml = R"(<?xml version="1.0" encoding="UTF-8"?>
<LXFML versionMajor="5" versionMinor="0">
<Meta>
<Application name="LEGO Universe" versionMajor="0" versionMinor="0"/>
<Brand name="LEGOUniverse"/>
<BrickSet version="457"/>
</Meta>
<Bricks>
<Brick refID="0" designID="3001">
<Part refID="0" designID="3001" materials="23">
<Bone refID="0" transformation="1,0,0,0,1,0,0,0,1,0,0,0"/>
</Part>
</Brick>
</Bricks>
<RigidSystems>
</RigidSystems>
<GroupSystems>
<GroupSystem>
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0">
<Group partRefs="0"/>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</Group>
</GroupSystem>
</GroupSystems>
</LXFML>)";
// The Split function should handle deeply nested structures without hanging
std::vector<Lxfml::Result> results;
EXPECT_NO_FATAL_FAILURE({
results = Lxfml::Split(deeplyNestedLxfml);
}) << "Split should not hang or crash on deeply nested XML structures";
// Should still produce valid output despite depth limitations
EXPECT_GT(results.size(), 0) << "Should produce at least one result even with deep nesting";
if (results.size() > 0) {
// Verify the result is still valid XML
tinyxml2::XMLDocument doc;
auto parseResult = doc.Parse(results[0].lxfml.c_str());
EXPECT_EQ(parseResult, tinyxml2::XML_SUCCESS) << "Result should still be valid XML";
if (parseResult == tinyxml2::XML_SUCCESS) {
auto* lxfml = doc.FirstChildElement("LXFML");
EXPECT_NE(lxfml, nullptr) << "Result should have LXFML root element";
// Verify that bricks are still included despite group nesting issues
auto* bricks = lxfml->FirstChildElement("Bricks");
EXPECT_NE(bricks, nullptr) << "Bricks element should be present";
if (bricks) {
auto* brick = bricks->FirstChildElement("Brick");
EXPECT_NE(brick, nullptr) << "At least one brick should be present";
}
}
}
}