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Bug #6438 ยป errorOnLoadException.cpp

Saif Rehman, 06/09/2018 08:08 AM

 
#include <Wt/WApplication.h>
#include <Wt/WBreak.h>
#include <Wt/WContainerWidget.h>
#include <Wt/WLineEdit.h>
#include <Wt/WPushButton.h>
#include <Wt/WText.h>
#include <Wt/WMenu.h>
#include <Wt/WMenuItem.h>
#include <Wt/WStackedWidget.h>

class HelloApplication : public Wt::WApplication
{
public:
HelloApplication(const Wt::WEnvironment& env);
};

class TestContainer : public Wt::WContainerWidget
{
public:
virtual void load() override
{
if(!loaded())
throw std::runtime_error("When this exception is caught, the e.what() message should be available.");
//But Wt prints "Wt: fatal error: std::exception"
Wt::WContainerWidget::load();
}
};

HelloApplication::HelloApplication(const Wt::WEnvironment& env)
: WApplication(env)
{
setTitle("Exception e.what() caught from load() bug report");
auto button = root()->addNew<Wt::WPushButton>("Click me (to create a widget that throws an exception on load())");
button->clicked().connect([this](){
root()->addNew<TestContainer>();
});
}

int main(int argc, char **argv)
{
return Wt::WRun(argc, argv, [](const Wt::WEnvironment &env) {
return Wt::cpp14::make_unique<HelloApplication>(env);
});
}
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