JezK
Edit File: backtrace_test.cpp
#include "tut.h" #include <oxt/backtrace.hpp> #include <oxt/tracable_exception.hpp> #include <oxt/thread.hpp> using namespace oxt; using namespace std; namespace tut { struct backtrace_test { }; DEFINE_TEST_GROUP(backtrace_test); TEST_METHOD(1) { // Test TRACE_POINT() and tracable_exception. struct { void foo() { TRACE_POINT(); bar(); } void bar() { TRACE_POINT(); baz(); } void baz() { TRACE_POINT(); throw tracable_exception(); } } object; try { object.foo(); fail("tracable_exception expected."); } catch (const tracable_exception &e) { ensure("Backtrace contains foo()", e.backtrace().find("foo()") != string::npos); ensure("Backtrace contains bar()", e.backtrace().find("bar()") != string::npos); ensure("Backtrace contains baz()", e.backtrace().find("baz()") != string::npos); } } struct QuitEvent { bool is_done; boost::mutex mutex; boost::condition_variable cond; QuitEvent() { is_done = false; } void wait() { boost::unique_lock<boost::mutex> l(mutex); while (!is_done) { cond.wait(l); } } void done() { is_done = true; cond.notify_all(); } }; struct FooCaller { QuitEvent *quit_event; static void foo(QuitEvent *quit_event) { TRACE_POINT(); quit_event->wait(); } void operator()() { foo(quit_event); } }; struct BarCaller { QuitEvent *quit_event; static void bar(QuitEvent *quit_event) { TRACE_POINT(); quit_event->wait(); } void operator()() { bar(quit_event); } }; TEST_METHOD(2) { // Test whether oxt::thread's backtrace support works. FooCaller foo; QuitEvent foo_quit; foo.quit_event = &foo_quit; BarCaller bar; QuitEvent bar_quit; bar.quit_event = &bar_quit; oxt::thread foo_thread(foo); oxt::thread bar_thread(bar); usleep(20000); ensure("Foo thread's backtrace contains foo()", foo_thread.backtrace().find("foo") != string::npos); ensure("Foo thread's backtrace doesn't contain bar()", foo_thread.backtrace().find("bar") == string::npos); ensure("Bar thread's backtrace contains bar()", bar_thread.backtrace().find("bar") != string::npos); ensure("Bar thread's backtrace doesn't contain foo()", bar_thread.backtrace().find("foo") == string::npos); string all_backtraces(oxt::thread::all_backtraces()); ensure(all_backtraces.find("foo") != string::npos); ensure(all_backtraces.find("bar") != string::npos); foo_quit.done(); bar_quit.done(); foo_thread.join(); bar_thread.join(); } }