Added test of pattern_formatter::clone()

tests/test_misc.cpp

@@ -92,7 +92,7 @@ TEST_CASE("periodic flush", "[periodic_flush]")
     spdlog::drop_all();
 }
 
-TEST_CASE("clone", "[clone]")
+TEST_CASE("clone-logger", "[clone]")
 {
     using namespace spdlog;
 

tests/test_pattern_formatter.cpp

@@ -16,6 +16,7 @@ static std::string log_to_str(const std::string &msg, const Args &... args)
     return oss.str();
 }
 
+
 TEST_CASE("custom eol", "[pattern_formatter]")
 {
     std::string msg = "Hello custom eol test";
@@ -194,3 +195,35 @@ TEST_CASE("left_padded_max", "[pattern_formatter]")
         "[pattern_tester                                                                                                                  ]"
         " Some message\n");
 }
+
+
+TEST_CASE("clone-default-formatter", "[pattern_formatter]")
+{
+    auto formatter_1 = std::make_shared<spdlog::pattern_formatter>();
+    auto formatter_2 = formatter_1->clone();
+    std::string logger_name = "test";
+    spdlog::details::log_msg msg(&logger_name, spdlog::level::info, "some message");
+
+    fmt::memory_buffer formatted_1;
+    fmt::memory_buffer formatted_2;
+    formatter_1->format(msg, formatted_1);
+    formatter_2->format(msg, formatted_2);
+
+
+    REQUIRE( fmt::to_string(formatted_1) == fmt::to_string(formatted_2));
+}
+
+
+TEST_CASE("clone-formatter", "[pattern_formatter]")
+{
+    auto formatter_1 = std::make_shared<spdlog::pattern_formatter>("%D %X [%] %v [%n] %v");
+    auto formatter_2 = formatter_1->clone();
+    std::string logger_name = "test";
+    spdlog::details::log_msg msg(&logger_name, spdlog::level::info, "some message");
+
+    fmt::memory_buffer formatted_1;
+    fmt::memory_buffer formatted_2;
+    formatter_1->format(msg, formatted_1);
+    formatter_2->format(msg, formatted_2);
+    REQUIRE(fmt::to_string(formatted_1) == fmt::to_string(formatted_2));
+}