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#include "fixtures.hpp"

#include <pdb/all.hpp>
#include <test_lib.hpp>

#include <boost/test/unit_test.hpp>

#include <algorithm>
#include <sstream>
#include <string>
#include <vector>

BOOST_FIXTURE_TEST_SUITE(call_stack_tests, CurrentProcess)

BOOST_AUTO_TEST_CASE(call_stack) {
    try {
        test_ns::throw_call_stack();
    } catch (const pdb::CallStack& call_stack) {
        // First, check that the call stack have been caught.
        BOOST_TEST(true, "Caught the call stack");

        // Debug output:
        std::vector<std::string> pretty;
        pretty.reserve(call_stack.length);

        BOOST_TEST_MESSAGE("Call stack:");
        for (const auto& addr : call_stack) {
            pretty.emplace_back(call_stack.pretty_print_address(dbghelp, addr));
            BOOST_TEST_MESSAGE('\t' << pdb::format_address(addr) << ' ' << pretty.back());
        }

        // Second, resolve the symbols:
        std::vector<pdb::SymbolInfo> symbols;
        symbols.reserve(call_stack.length);

        BOOST_TEST_MESSAGE("Resolved symbols:");
        for (const auto& addr : call_stack) {
            symbols.emplace_back(dbghelp.resolve_symbol(addr));
            const auto& symbol = symbols.back();
            BOOST_TEST_MESSAGE('\t' << pdb::format_address(symbol.get_offline_address()) << ' '
                                    << symbol.get_name());
        }

        {
            // Third, check that the expected function frames are in the call stack.
            const auto expected = expected_function_addresses();

            const auto check = [&](pdb::Address addr) {
                for (const auto& symbol : symbols)
                    if (symbol.get_offline_address() == addr)
                        return true;
                return false;
            };
            for (const auto& addr : expected) {
                BOOST_TEST(check(addr), "Function frame captured: " << pdb::format_address(addr));
            }
        }

        {
            // Fourth, check that the expected function names are in the call stack.
            const auto expected = expected_functions_full();

            const auto check = [&](const std::string& name) {
                for (const auto& actual : pretty)
                    if (actual.find(name) != std::string::npos)
                        return true;
                return false;
            };
            for (const auto& name : expected) {
                BOOST_TEST(check(name), "Function frame captured: " << name);
            }
        }
        return;
    }
    // We must catch the call stack.
    BOOST_TEST(false, "Didn't catch the call stack");
}

BOOST_AUTO_TEST_SUITE_END()