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tests: Add a test that verifies absence of file leaks

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If an out of memory error happens in load_file there's a danger of leaking
the FILE object. Since there is a limited supply of the objects we can easily
test that the leak does not happen.
This commit is contained in:
Arseny Kapoulkine 2015-04-12 02:34:48 -07:00
parent 2537cccad3
commit c5d07e2c28
1 changed files with 22 additions and 0 deletions
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22
tests/test_document.cpp
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@ -302,11 +302,33 @@ TEST(document_load_file_error)
pugi::xml_document doc;
CHECK(doc.load_file("filedoesnotexist").status == status_file_not_found);
}
TEST(document_load_file_out_of_memory)
{
test_runner::_memory_fail_threshold = 1;
pugi::xml_document doc;
CHECK_ALLOC_FAIL(CHECK(doc.load_file("tests/data/small.xml").status == status_out_of_memory));
}
TEST(document_load_file_out_of_memory_file_leak)
{
test_runner::_memory_fail_threshold = 1;
pugi::xml_document doc;
for (int i = 0; i < 256; ++i)
{
CHECK_ALLOC_FAIL(CHECK(doc.load_file("tests/data/small.xml").status == status_out_of_memory));
}
test_runner::_memory_fail_threshold = 0;
CHECK(doc.load_file("tests/data/small.xml"));
CHECK_NODE(doc, STR("<node />"));
}
TEST(document_load_file_error_previous)
{
pugi::xml_document doc;