Renamed enum color to colors.

Added enum colors conversion to rgb struct.
Added colors_test.cpp.

Removed print_colored.
Renamed enum colors back to color.

Removed unnecessary inline keyword.
Removed print_rgb.

test/format-impl-test.cc

@@ -5,6 +5,7 @@
 //
 // For the license information refer to format.h.
 
+#define FMT_EXTENDED_COLORS
 #define FMT_NOEXCEPT
 #undef FMT_SHARED
 #include "test-assert.h"
@@ -116,3 +117,10 @@ TEST(FormatTest, FormatErrorCode) {
     EXPECT_EQ(msg, to_string(buffer));
   }
 }
+
+TEST(ColorsTest, Colors) {
+  EXPECT_WRITE(stdout, fmt::print(fmt::rgb(255,20,30), "rgb(255,20,30)"),
+               "\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
+  EXPECT_WRITE(stdout, fmt::print(fmt::color::blue,"blue"),
+               "\x1b[38;2;000;000;255mblue\x1b[0m");
+}

test/format-test.cc

@@ -1266,13 +1266,6 @@ TEST(FormatTest, Print) {
 #endif
 }
 
-#if FMT_USE_FILE_DESCRIPTORS
-TEST(FormatTest, PrintColored) {
-  EXPECT_WRITE(stdout, fmt::print_colored(fmt::red, "Hello, {}!\n", "world"),
-    "\x1b[31mHello, world!\n\x1b[0m");
-}
-#endif
-
 TEST(FormatTest, Variadic) {
   EXPECT_EQ("abc1", format("{}c{}", "ab", 1));
   EXPECT_EQ(L"abc1", format(L"{}c{}", L"ab", 1));