mirror of https://github.com/tfussell/xlnt
66 lines
1.2 KiB
C++
66 lines
1.2 KiB
C++
#include <cassert>
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#ifdef __APPLE__
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#include<mach/mach.h>
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#endif
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#include <xlnt/xlnt.hpp>
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#include "../tests/helpers/path_helper.hpp"
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int calc_memory_usage()
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{
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#ifdef __APPLE__
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struct task_basic_info t_info;
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mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
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if (KERN_SUCCESS != task_info(mach_task_self(),
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TASK_BASIC_INFO, (task_info_t)&t_info,
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&t_info_count))
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{
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return 0;
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}
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return t_info.virtual_size;
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#endif
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return 0;
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}
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void test_memory_use()
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{
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// Naive test that assumes memory use will never be more than 120 % of
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// that for first 50 rows
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auto current_folder = PathHelper::GetExecutableDirectory();
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auto src = current_folder + "rks/files/very_large.xlsx";
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xlnt::workbook wb;
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wb.load(src);
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auto ws = wb.get_active_sheet();
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int initial_use = 0;
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int n = 0;
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for (auto line : ws.rows())
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{
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if (n % 50 == 0)
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{
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auto use = calc_memory_usage();
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if (initial_use == 0)
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{
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initial_use = use;
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}
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assert(use / initial_use < 1.2);
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std::cout << n << " " << use << std::endl;
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}
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n++;
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}
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}
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int main()
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{
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test_memory_use();
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}
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