Migrate parse_time to Catch2

src/Makefile.am

@@ -109,6 +109,7 @@ ___test_test_http_CPPFLAGS=$(AM_CPPFLAGS) $(CATCH2_CPPFLAGS)
 ___test_test_http_SOURCES=\
 	../test/test_http.cpp
 
+___test_test_parse_time_CPPFLAGS=$(AM_CPPFLAGS) $(CATCH2_CPPFLAGS)
 ___test_test_parse_time_SOURCES=\
 	../test/test_parse_time.cpp
 

test/test_parse_time.cpp

@@ -1,49 +1,22 @@
 #include "cgimap/time.hpp"
 
 #include <ctime>
-#include <fstream>
-#include <sstream>
-#include <stdexcept>
-#include <iomanip>
-#include <iostream>
 #include <time.h>
 
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
 
-void assert_eq_time(std::chrono::system_clock::time_point expected, std::string str) {
-  const std::chrono::system_clock::time_point tb = parse_time(str);
-  if (expected != tb) {
-      std::time_t time_ex  = std::chrono::system_clock::to_time_t(expected);
-      std::time_t time_tb  = std::chrono::system_clock::to_time_t(tb);
+TEST_CASE("Parse time", "[time]")
+{
+  struct tm dat{};
+  dat.tm_year = 2015 - 1900;
+  dat.tm_mon = 8 - 1;
+  dat.tm_mday = 31;
+  dat.tm_hour = 23;
+  dat.tm_min = 40;
+  dat.tm_sec = 10;
 
-    std::ostringstream ostr;
-    ostr << "Expected " << std::put_time( std::gmtime( &time_ex ), "%FT%T")  << ", but got time "
-         << std::put_time( std::gmtime( &time_tb ), "%FT%T") << " [from '" << str << "'] instead.";
-    throw std::runtime_error(ostr.str());
-  }
-}
-
-int main(int argc, char *argv[]) {
-  try {
-     struct tm dat{};
-     dat.tm_year  = 2015 - 1900;
-     dat.tm_mon   = 8 - 1;
-     dat.tm_mday  = 31;
-     dat.tm_hour  = 23;
-     dat.tm_min   = 40;
-     dat.tm_sec   = 10;
-
-     std::time_t tm_t = timegm(&dat);
-
-    assert_eq_time(std::chrono::system_clock::from_time_t(tm_t), "2015-08-31T23:40:10Z");
-
-  } catch (const std::exception &ex) {
-    std::cerr << "EXCEPTION: " << ex.what() << std::endl;
-    return 1;
-
-  } catch (...) {
-    std::cerr << "UNKNOWN ERROR" << std::endl;
-    return 1;
-  }
+  std::time_t tm_t = timegm(&dat);
 
-  return 0;
+  CHECK(std::chrono::system_clock::from_time_t(tm_t) == parse_time("2015-08-31T23:40:10Z"));
 }