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fe7b837868
Several tests got the buffer size wrong when sizeof(char_t)>1, and one test didn't meet the carefully tuned allocation criteria under compact mode due to the hash table usage and had to be changed a bit.
304 lines
6.3 KiB
C++
304 lines
6.3 KiB
C++
#include "test.hpp"
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#include "writer_string.hpp"
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#include "allocator.hpp"
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#include <string>
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#include <vector>
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using namespace pugi;
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namespace
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{
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int page_allocs = 0;
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int page_deallocs = 0;
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bool is_page(size_t size)
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{
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return size >= 16384;
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}
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void* allocate(size_t size)
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{
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void* ptr = memory_allocate(size);
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page_allocs += is_page(memory_size(ptr));
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return ptr;
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}
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void deallocate(void* ptr)
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{
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page_deallocs += is_page(memory_size(ptr));
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memory_deallocate(ptr);
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}
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}
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TEST(memory_custom_memory_management)
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{
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page_allocs = page_deallocs = 0;
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// remember old functions
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allocation_function old_allocate = get_memory_allocation_function();
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deallocation_function old_deallocate = get_memory_deallocation_function();
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// replace functions
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set_memory_management_functions(allocate, deallocate);
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{
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// parse document
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xml_document doc;
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CHECK(page_allocs == 0 && page_deallocs == 0);
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CHECK(doc.load_string(STR("<node />")));
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CHECK(page_allocs == 1 && page_deallocs == 0);
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// modify document (no new page)
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CHECK(doc.first_child().set_name(STR("foobars")));
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CHECK(page_allocs == 1 && page_deallocs == 0);
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// modify document (new page)
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std::basic_string<char_t> s(65536, 'x');
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CHECK(doc.first_child().set_name(s.c_str()));
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CHECK(page_allocs == 2 && page_deallocs == 0);
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// modify document (new page, old one should die)
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s += s;
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CHECK(doc.first_child().set_name(s.c_str()));
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CHECK(page_allocs == 3 && page_deallocs == 1);
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}
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CHECK(page_allocs == 3 && page_deallocs == 3);
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// restore old functions
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set_memory_management_functions(old_allocate, old_deallocate);
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}
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TEST(memory_large_allocations)
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{
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page_allocs = page_deallocs = 0;
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// remember old functions
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allocation_function old_allocate = get_memory_allocation_function();
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deallocation_function old_deallocate = get_memory_deallocation_function();
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// replace functions
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set_memory_management_functions(allocate, deallocate);
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{
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xml_document doc;
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CHECK(page_allocs == 0 && page_deallocs == 0);
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// initial fill
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for (size_t i = 0; i < 128; ++i)
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{
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std::basic_string<char_t> s(i * 128, 'x');
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CHECK(doc.append_child(node_pcdata).set_value(s.c_str()));
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}
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CHECK(page_allocs > 0 && page_deallocs == 0);
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// grow-prune loop
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while (doc.first_child())
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{
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xml_node node;
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// grow
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for (node = doc.first_child(); node; node = node.next_sibling())
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{
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std::basic_string<char_t> s = node.value();
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CHECK(node.set_value((s + s).c_str()));
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}
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// prune
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for (node = doc.first_child(); node; )
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{
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xml_node next = node.next_sibling().next_sibling();
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node.parent().remove_child(node);
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node = next;
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}
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}
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CHECK(page_allocs == page_deallocs + 1); // only one live page left (it waits for new allocations)
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char buffer;
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CHECK(doc.load_buffer_inplace(&buffer, 0, parse_fragment, get_native_encoding()));
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CHECK(page_allocs == page_deallocs); // no live pages left
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}
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CHECK(page_allocs == page_deallocs); // everything is freed
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// restore old functions
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set_memory_management_functions(old_allocate, old_deallocate);
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}
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TEST(memory_page_management)
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{
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page_allocs = page_deallocs = 0;
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// remember old functions
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allocation_function old_allocate = get_memory_allocation_function();
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deallocation_function old_deallocate = get_memory_deallocation_function();
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// replace functions
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set_memory_management_functions(allocate, deallocate);
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{
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xml_document doc;
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CHECK(page_allocs == 0 && page_deallocs == 0);
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// initial fill
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std::vector<xml_node> nodes;
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for (size_t i = 0; i < 4000; ++i)
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{
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xml_node node = doc.append_child(STR("n"));
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CHECK(node);
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nodes.push_back(node);
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}
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CHECK(page_allocs > 0 && page_deallocs == 0);
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// grow-prune loop
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size_t offset = 0;
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size_t prime = 15485863;
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while (nodes.size() > 0)
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{
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offset = (offset + prime) % nodes.size();
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doc.remove_child(nodes[offset]);
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nodes[offset] = nodes.back();
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nodes.pop_back();
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}
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CHECK(page_allocs == page_deallocs + 1); // only one live page left (it waits for new allocations)
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char buffer;
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CHECK(doc.load_buffer_inplace(&buffer, 0, parse_fragment, get_native_encoding()));
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CHECK(page_allocs == page_deallocs); // no live pages left
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}
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CHECK(page_allocs == page_deallocs); // everything is freed
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// restore old functions
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set_memory_management_functions(old_allocate, old_deallocate);
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}
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TEST(memory_string_allocate_increasing)
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{
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xml_document doc;
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doc.append_child(node_pcdata).set_value(STR("x"));
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std::basic_string<char_t> s = STR("ab");
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for (int i = 0; i < 17; ++i)
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{
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doc.append_child(node_pcdata).set_value(s.c_str());
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s += s;
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}
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std::string result = save_narrow(doc, format_no_declaration | format_raw, encoding_utf8);
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CHECK(result.size() == 262143);
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CHECK(result[0] == 'x');
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for (size_t j = 1; j < result.size(); ++j)
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{
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CHECK(result[j] == (j % 2 ? 'a' : 'b'));
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}
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}
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TEST(memory_string_allocate_decreasing)
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{
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xml_document doc;
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std::basic_string<char_t> s = STR("ab");
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for (int i = 0; i < 17; ++i) s += s;
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for (int j = 0; j < 17; ++j)
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{
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s.resize(s.size() / 2);
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doc.append_child(node_pcdata).set_value(s.c_str());
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}
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doc.append_child(node_pcdata).set_value(STR("x"));
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std::string result = save_narrow(doc, format_no_declaration | format_raw, encoding_utf8);
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CHECK(result.size() == 262143);
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CHECK(result[result.size() - 1] == 'x');
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for (size_t k = 0; k + 1 < result.size(); ++k)
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{
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CHECK(result[k] == (k % 2 ? 'b' : 'a'));
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}
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}
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TEST(memory_string_allocate_increasing_inplace)
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{
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xml_document doc;
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xml_node node = doc.append_child(node_pcdata);
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node.set_value(STR("x"));
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std::basic_string<char_t> s = STR("ab");
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for (int i = 0; i < 17; ++i)
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{
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node.set_value(s.c_str());
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s += s;
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}
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std::string result = save_narrow(doc, format_no_declaration | format_raw, encoding_utf8);
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CHECK(result.size() == 131072);
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for (size_t j = 0; j < result.size(); ++j)
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{
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CHECK(result[j] == (j % 2 ? 'b' : 'a'));
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}
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}
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TEST(memory_string_allocate_decreasing_inplace)
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{
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xml_document doc;
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xml_node node = doc.append_child(node_pcdata);
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std::basic_string<char_t> s = STR("ab");
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for (int i = 0; i < 17; ++i) s += s;
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for (int j = 0; j < 17; ++j)
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{
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s.resize(s.size() / 2);
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node.set_value(s.c_str());
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}
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node.set_value(STR("x"));
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std::string result = save_narrow(doc, format_no_declaration | format_raw, encoding_utf8);
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CHECK(result == "x");
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}
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