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#include <qpdf/assert_test.h>
#include <qpdf/Pl_String.hh>
#include <qpdf/QPDFLogger.hh>
#include <stdexcept>
static void
test1()
{
// Standard behavior
auto logger = QPDFLogger::defaultLogger();
logger->info("info to stdout\n");
logger->warn("warn to stderr\n");
logger->error("error to stderr\n");
assert(logger->getSave(true) == nullptr);
try {
logger->getSave();
assert(false);
} catch (std::logic_error& e) {
*(logger->getInfo()) << "getSave exception: " << e.what() << "\n";
}
try {
logger->saveToStandardOutput(true);
assert(false);
} catch (std::logic_error& e) {
*(logger->getInfo()) << "saveToStandardOutput exception: " << e.what() << "\n";
}
logger->setWarn(logger->discard());
logger->warn("warning not seen\n");
logger->setWarn(nullptr);
logger->warn("restored warning to stderr\n");
}
static void
test2()
{
// First call saveToStandardOutput. Then use info, which then to
// go stderr.
auto l = QPDFLogger::create();
l->saveToStandardOutput(true);
l->info(std::string("info to stderr\n"));
*(l->getSave()) << "save to stdout\n";
l->setInfo(nullptr);
l->info("info still to stderr\n");
l->setSave(nullptr, false);
l->setInfo(nullptr);
l->info("info back to stdout\n");
}
static void
test3()
{
// Error/warning
auto l = QPDFLogger::create();
// Warning follows error when error is set explicitly.
std::string errors;
auto pl_error = std::make_shared<Pl_String>("errors", nullptr, errors);
l->setError(pl_error);
l->warn("warn follows error\n");
assert(errors == "warn follows error\n");
l->error("error too\n");
assert(errors == "warn follows error\nerror too\n");
// Set warnings -- now they're separate
std::string warnings;
auto pl_warn = std::make_shared<Pl_String>("warnings", nullptr, warnings);
l->setWarn(pl_warn);
l->warn(std::string("warning now separate\n"));
l->error(std::string("new error\n"));
assert(warnings == "warning now separate\n");
assert(errors == "warn follows error\nerror too\nnew error\n");
std::string errors2;
pl_error = std::make_shared<Pl_String>("errors", nullptr, errors2);
l->setError(pl_error);
l->warn("new warning\n");
l->error("another new error\n");
assert(warnings == "warning now separate\nnew warning\n");
assert(errors == "warn follows error\nerror too\nnew error\n");
assert(errors2 == "another new error\n");
// Restore warnings to default -- follows error again
l->setWarn(nullptr);
l->warn("warning 3\n");
l->error("error 3\n");
assert(warnings == "warning now separate\nnew warning\n");
assert(errors == "warn follows error\nerror too\nnew error\n");
assert(errors2 == "another new error\nwarning 3\nerror 3\n");
// Restore everything to default
l->setInfo(nullptr);
l->setWarn(nullptr);
l->setError(nullptr);
l->info("after reset, info to stdout\n");
l->warn("after reset, warn to stderr\n");
l->error("after reset, error to stderr\n");
}
int
main()
{
test1();
test2();
test3();
return 0;
}
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