diff --git a/tests/test_pattern_formatter.cpp b/tests/test_pattern_formatter.cpp
index bafea884..106cc35d 100644
--- a/tests/test_pattern_formatter.cpp
+++ b/tests/test_pattern_formatter.cpp
@@ -70,8 +70,8 @@ TEST_CASE("color range test1", "[pattern_formatter]")
     std::string logger_name = "test";
     spdlog::details::log_msg msg(logger_name, spdlog::level::info, spdlog::string_view_t(buf.data(), buf.size()));
     formatter->format(msg, formatted);
-    REQUIRE(msg.color_range_start == 0);
-    REQUIRE(msg.color_range_end == 5);
+    REQUIRE(msg.color_ranges_start[0] == 0);
+    REQUIRE(msg.color_ranges_end[0]   == 5);
     REQUIRE(log_to_str("hello", "%^%v%$", spdlog::pattern_time_type::local, "\n") == "hello\n");
 }
 
@@ -82,8 +82,8 @@ TEST_CASE("color range test2", "[pattern_formatter]")
     spdlog::details::log_msg msg(logger_name, spdlog::level::info, "");
     memory_buf_t formatted;
     formatter->format(msg, formatted);
-    REQUIRE(msg.color_range_start == 0);
-    REQUIRE(msg.color_range_end == 0);
+    REQUIRE(msg.color_ranges_start[0] == 0);
+    REQUIRE(msg.color_ranges_end[0]   == 0);
     REQUIRE(log_to_str("", "%^%$", spdlog::pattern_time_type::local, "\n") == "\n");
 }
 
@@ -94,8 +94,8 @@ TEST_CASE("color range test3", "[pattern_formatter]")
     spdlog::details::log_msg msg(logger_name, spdlog::level::info, "ignored");
     memory_buf_t formatted;
     formatter->format(msg, formatted);
-    REQUIRE(msg.color_range_start == 0);
-    REQUIRE(msg.color_range_end == 3);
+    REQUIRE(msg.color_ranges_start[0] == 0);
+    REQUIRE(msg.color_ranges_end[0]   == 3);
 }
 
 TEST_CASE("color range test4", "[pattern_formatter]")
@@ -106,8 +106,8 @@ TEST_CASE("color range test4", "[pattern_formatter]")
 
     memory_buf_t formatted;
     formatter->format(msg, formatted);
-    REQUIRE(msg.color_range_start == 2);
-    REQUIRE(msg.color_range_end == 5);
+    REQUIRE(msg.color_ranges_start[0] == 2);
+    REQUIRE(msg.color_ranges_end[0]   == 5);
     REQUIRE(log_to_str("ignored", "XX%^YYY%$", spdlog::pattern_time_type::local, "\n") == "XXYYY\n");
 }
 
@@ -118,8 +118,8 @@ TEST_CASE("color range test5", "[pattern_formatter]")
     spdlog::details::log_msg msg(logger_name, spdlog::level::info, "ignored");
     memory_buf_t formatted;
     formatter->format(msg, formatted);
-    REQUIRE(msg.color_range_start == 2);
-    REQUIRE(msg.color_range_end == 0);
+    REQUIRE(msg.color_ranges_start[0]   == 2);
+    REQUIRE(msg.color_ranges_end.size() == 0);
 }
 
 TEST_CASE("color range test6", "[pattern_formatter]")
@@ -129,8 +129,8 @@ TEST_CASE("color range test6", "[pattern_formatter]")
     spdlog::details::log_msg msg(logger_name, spdlog::level::info, "ignored");
     memory_buf_t formatted;
     formatter->format(msg, formatted);
-    REQUIRE(msg.color_range_start == 0);
-    REQUIRE(msg.color_range_end == 2);
+    REQUIRE(msg.color_ranges_start.size() == 0);
+    REQUIRE(msg.color_ranges_end[0] == 2);
 }
 
 //