diff options
| -rw-r--r-- | tests/test_memory.cpp | 67 |
1 files changed, 48 insertions, 19 deletions
diff --git a/tests/test_memory.cpp b/tests/test_memory.cpp index 474cf45..269ad76 100644 --- a/tests/test_memory.cpp +++ b/tests/test_memory.cpp @@ -22,6 +22,8 @@ namespace TEST(custom_memory_management)
{
+ allocate_count = deallocate_count = 0;
+
// remember old functions
allocation_function old_allocate = get_memory_allocation_function();
deallocation_function old_deallocate = get_memory_deallocation_function();
@@ -53,37 +55,64 @@ TEST(custom_memory_management) TEST(large_allocations)
{
- xml_document doc;
+ allocate_count = deallocate_count = 0;
- // initial fill
- for (size_t i = 0; i < 128; ++i)
- {
- std::basic_string<pugi::char_t> s(i * 128, 'x');
+ // remember old functions
+ allocation_function old_allocate = get_memory_allocation_function();
+ deallocation_function old_deallocate = get_memory_deallocation_function();
- CHECK(doc.append_child(node_pcdata).set_value(s.c_str()));
- }
+ // replace functions
+ set_memory_management_functions(allocate, deallocate);
- // grow-prune loop
- while (doc.first_child())
{
- pugi::xml_node node;
+ xml_document doc;
- // grow
- for (node = doc.first_child(); node; node = node.next_sibling())
+ CHECK(allocate_count == 1 && deallocate_count == 0);
+
+ // initial fill
+ for (size_t i = 0; i < 128; ++i)
{
- std::basic_string<pugi::char_t> s = node.value();
+ std::basic_string<pugi::char_t> s(i * 128, 'x');
- CHECK(node.set_value((s + s).c_str()));
+ CHECK(doc.append_child(node_pcdata).set_value(s.c_str()));
}
- // prune
- for (node = doc.first_child(); node; )
+ CHECK(allocate_count > 1 && deallocate_count == 0);
+
+ // grow-prune loop
+ while (doc.first_child())
{
- pugi::xml_node next = node.next_sibling().next_sibling();
+ pugi::xml_node node;
- node.parent().remove_child(node);
+ // grow
+ for (node = doc.first_child(); node; node = node.next_sibling())
+ {
+ std::basic_string<pugi::char_t> s = node.value();
- node = next;
+ CHECK(node.set_value((s + s).c_str()));
+ }
+
+ // prune
+ for (node = doc.first_child(); node; )
+ {
+ pugi::xml_node next = node.next_sibling().next_sibling();
+
+ node.parent().remove_child(node);
+
+ node = next;
+ }
}
+
+ CHECK(allocate_count == deallocate_count + 2); // only two live pages left: one contains document node, another one waits for new allocations
+
+ char buffer;
+ CHECK(doc.load_buffer_inplace(&buffer, 0, parse_default, get_native_encoding()));
+
+ CHECK(allocate_count == deallocate_count + 1); // only one live page left (it contains document node)
}
+
+ CHECK(allocate_count == deallocate_count); // everything is freed
+
+ // restore old functions
+ set_memory_management_functions(old_allocate, old_deallocate);
}
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