Add UTF-8 types

test/format-impl-test.cc

@@ -118,9 +118,13 @@ TEST(FormatTest, FormatErrorCode) {
   }
 }
 
+TEST(FormatTest, CountCodePoints) {
+  EXPECT_EQ(4, fmt::internal::count_code_points(fmt::u8string_view("ёжик")));
+}
+
 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"),
+  EXPECT_WRITE(stdout, fmt::print(fmt::color::blue, "blue"),
                "\x1b[38;2;000;000;255mblue\x1b[0m");
 }

test/format-test.cc

@@ -1932,3 +1932,30 @@ TEST(FormatTest, FormatStringErrors) {
 }
 #endif  // FMT_USE_CONSTEXPR
 
+TEST(FormatTest, ConstructU8StringViewFromCString) {
+  fmt::u8string_view s("ab");
+  EXPECT_EQ(s.size(), 2u);
+  const fmt::char8_t *data = s.data();
+  EXPECT_EQ(data[0].value, 'a');
+  EXPECT_EQ(data[1].value, 'b');
+}
+
+TEST(FormatTest, ConstructU8StringViewFromDataAndSize) {
+  fmt::u8string_view s("foobar", 3);
+  EXPECT_EQ(s.size(), 3u);
+  const fmt::char8_t *data = s.data();
+  EXPECT_EQ(data[0].value, 'f');
+  EXPECT_EQ(data[1].value, 'o');
+  EXPECT_EQ(data[2].value, 'o');
+}
+
+#if FMT_USE_USER_DEFINED_LITERALS
+TEST(FormatTest, U8StringViewLiteral) {
+  using namespace fmt::literals;
+  fmt::u8string_view s = "ab"_u;
+  EXPECT_EQ(s.size(), 2u);
+  const fmt::char8_t *data = s.data();
+  EXPECT_EQ(data[0].value, 'a');
+  EXPECT_EQ(data[1].value, 'b');
+}
+#endif

test/util-test.cc

@@ -868,7 +868,8 @@ TEST(UtilTest, IsEnumConvertibleToInt) {
 #endif
 
 TEST(UtilTest, ParseNonnegativeInt) {
-  if (std::numeric_limits<int>::max() != static_cast<int>(static_cast<unsigned>(1) << 31)) {
+  if (std::numeric_limits<int>::max() !=
+      static_cast<int>(static_cast<unsigned>(1) << 31)) {
     fmt::print("Skipping parse_nonnegative_int test\n");
     return;
   }