monero/external/glim/test_exception.cc

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#define _GLIM_ALL_EXCEPTIONS_CODE
#include "exception.hpp"
#include <iostream>
#include <typeinfo>
#include <assert.h>
// NB: Controlling exceptions across shared object (.so) boundaries is tested separately in frople/src/test.cpp/testExceptionControl.
static void testThrowLine() {
int line = 0; std::string message; try {
line = __LINE__; GTHROW ("message");
} catch (const std::exception& ex) {
message = ex.what();
}
//std::cout << message << ' ' << std::flush;
assert (message.size());
assert (std::string (message) .find (":" + std::to_string (line)) != std::string::npos);
line = 0; message.clear(); std::string name; try {
line = __LINE__; G_DEFINE_EXCEPTION (FooEx); GNTHROW (FooEx, "foo");
} catch (const std::exception& ex) {
message = ex.what(); name = typeid (ex) .name();
}
//std::cout << "testThrowLine: " << message << ' ' << name << ' ' << std::flush;
assert (message.size());
assert (std::string (message) .find (":" + std::to_string (line)) != std::string::npos);
assert (name.find ("FooEx") != std::string::npos);
message.clear(); try {
glim::ExceptionControl plainWhat (glim::Exception::PLAIN_WHAT);
GTHROW ("bar");
} catch (const std::exception& ex) {
message = ex.what();
}
assert (message == "bar");
assert (glim::Exception::options() == 0);
}
static void testBacktrace() {
assert (glim::Exception::options() == 0);
glim::ExceptionControl captureTrace (glim::Exception::CAPTURE_TRACE);
assert (glim::Exception::options() != 0);
std::string message;
try {
GTHROW ("message");
} catch (const std::exception& ex) {
message = ex.what();
}
//std::cout << "testBacktrace: " << message << std::endl;
if (message.find ("[at bin/test_exception") == std::string::npos && message.find ("[test_exception") == std::string::npos)
GTHROW ("No expected string in " + message);
}
static void testAllExceptionsHack() {
assert (glim::Exception::options() == 0);
std::string traceBuf;
glim::ExceptionHandler traceExceptions (glim::Exception::HANDLE_ALL | glim::Exception::RENDEZVOUS, glim::captureBacktrace, &traceBuf);
assert (glim::Exception::options() != 0);
try {
throw "catch me"; // Catched by `_GLIM_ALL_EXCEPTIONS_CODE` and handled with `glim::ExceptionControl::backtrace`.
} catch (const char* skip) {}
//std::cout << "testAllExceptionsHack: " << std::endl << traceBuf << std::endl;
assert (traceBuf.size());
}
int main () {
std::cout << "Testing exception.hpp ... " << std::flush;
testThrowLine();
testBacktrace();
testAllExceptionsHack();
std::cout << "pass." << std::endl;
return 0;
}