Catch2 test framework integration into tm_sla_tests.

tests/timeutils/timeutils_tests_main.cpp

@@ -0,0 +1,38 @@
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
+
+#include "libslic3r/Time.hpp"
+
+#include <sstream>
+#include <iomanip>
+#include <locale>
+
+namespace {
+
+void test_time_fmt(Slic3r::Utils::TimeFormat fmt) {
+    using namespace Slic3r::Utils;
+    time_t t = get_current_time_utc();
+    
+    std::string tstr = time2str(t, TimeZone::local, fmt);
+    time_t parsedtime = str2time(tstr, TimeZone::local, fmt);
+    REQUIRE(t == parsedtime);
+    
+    tstr = time2str(t, TimeZone::utc, fmt);
+    parsedtime = str2time(tstr, TimeZone::utc, fmt);
+    REQUIRE(t == parsedtime);
+    
+    parsedtime = str2time("not valid string", TimeZone::local, fmt);
+    REQUIRE(parsedtime == time_t(-1));
+    
+    parsedtime = str2time("not valid string", TimeZone::utc, fmt);
+    REQUIRE(parsedtime == time_t(-1));
+}
+}
+
+TEST_CASE("ISO8601Z", "[Timeutils]") {
+    test_time_fmt(Slic3r::Utils::TimeFormat::iso8601Z);
+}
+
+TEST_CASE("Slic3r_UTC_Time_Format", "[Timeutils]") {
+    test_time_fmt(Slic3r::Utils::TimeFormat::gcode);
+}