olm/lib/doctest/examples/all_features/logging.cpp

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#include <doctest/doctest.h>
#include "header.h"
DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN
#include <vector>
DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_END
TEST_CASE("logging the counter of a loop") {
std::vector<int> vec;
vec.push_back(1);
vec.push_back(2);
vec.push_back(4);
vec.push_back(8);
vec.push_back(16);
INFO("current iteration of loop:");
for(unsigned i = 0; i < vec.size(); ++i) {
CAPTURE(i);
CHECK(vec[i] != (1 << i));
}
}
static int someTests() {
int some_var = 42;
INFO("lots of captures: ", some_var, " ", some_var, " ", some_var, ";");
INFO("old way of capturing - using the streaming operator: " << some_var << " " << some_var);
FAIL_CHECK("forcing the many captures to be stringified");
return some_var;
}
TEST_CASE("a test case that will end from an exception") {
int some_var = someTests();
INFO("someTests() returned: ", some_var); // note that we have to use a local variable - cannot pass a temporary
INFO("this should be printed if an exception is thrown even if no assert has failed: ", some_var);
{
INFO("in a nested scope this should be printed as well: ", some_var);
{
INFO("this should not be printed");
CAPTURE(some_var);
}
CHECK_MESSAGE(some_var == 666, "why is this not 666 ?!");
throw_if(true, 0);
}
}
TEST_CASE("a test case that will end from an exception and should print the unprinted context") {
INFO("should be printed even if an exception is thrown and no assert fails before that");
throw_if(true, 0);
}
static void thirdPartyAssert(bool result, bool is_fatal, const char* file, int line) {
if(result == false) {
if(is_fatal)
ADD_FAIL_AT(file, line, "MY_ASSERT_FATAL(" << result << ")");
else
ADD_FAIL_CHECK_AT(file, line, "MY_ASSERT(" << result << ")");
}
}
#define MY_ASSERT(x) thirdPartyAssert(x, false, __FILE__, __LINE__)
#define MY_ASSERT_FATAL(x) thirdPartyAssert(x, true, __FILE__, __LINE__)
TEST_CASE("third party asserts can report failures to doctest") {
MY_ASSERT(1 == 2);
MY_ASSERT_FATAL(1 == 2);
}
TEST_CASE("explicit failures 1") {
FAIL_CHECK("this should not end the test case, but mark it as failing");
MESSAGE("reached!");
}
TEST_CASE("explicit failures 2") {
FAIL("fail the test case and also end it");
MESSAGE("never reached...");
}