JezK
Edit File: backtrace_test.cpp
#include "../tut/tut.h" #include "counter.hpp" #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); } } static void foo(CounterPtr parent_counter, CounterPtr child_counter) { TRACE_POINT(); child_counter->increment(); // Tell parent that we've created the trace point. parent_counter->wait_until(1); // Wait until parent thread says we can exit. } static void bar(CounterPtr parent_counter, CounterPtr child_counter) { TRACE_POINT(); child_counter->increment(); // Tell parent that we've created the trace point. parent_counter->wait_until(1); // Wait until parent thread says we can exit. } TEST_METHOD(2) { // Test whether oxt::thread's backtrace support works. CounterPtr parent_counter = Counter::create_ptr(); CounterPtr child_counter = Counter::create_ptr(); oxt::thread foo_thread(boost::bind(foo, parent_counter, child_counter)); oxt::thread bar_thread(boost::bind(bar, parent_counter, child_counter)); // Wait until all threads have created trace points. child_counter->wait_until(2); 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); parent_counter->increment(); // Tell threads to quit. foo_thread.join(); bar_thread.join(); } }