Move internal::uintptr_t test to format-impl-test (fmtlib#1152)

Author: vitaut

test/format-impl-test.cc

@@ -253,3 +253,12 @@ TEST(UtilTest, CountDigits) {
   test_count_digits<uint32_t>();
   test_count_digits<uint64_t>();
 }
+
+TEST(UtilTest, WriteUIntPtr) {
+  fmt::memory_buffer buf;
+  fmt::writer writer(buf);
+  writer.write_pointer(fmt::internal::bit_cast<fmt::internal::uintptr_t>(
+                           reinterpret_cast<void*>(0xface)),
+                       FMT_NULL);
+  EXPECT_EQ("0xface", to_string(buf));
+}

test/format-test.cc

@@ -685,15 +685,6 @@ TEST(WriterTest, WriteWideString) {
   // std::declval<fmt::basic_writer<fmt::wbuffer>>().write("abc");
 }
 
-TEST(WriterTest, WriteUIntPtr) {
-  memory_buffer buf;
-  fmt::writer writer(buf);
-  writer.write_pointer(fmt::internal::bit_cast<fmt::internal::uintptr_t>(
-                           reinterpret_cast<void*>(0xface)),
-                       FMT_NULL);
-  EXPECT_EQ("0xface", to_string(buf));
-}
-
 TEST(FormatToTest, FormatWithoutArgs) {
   std::string s;
   fmt::format_to(std::back_inserter(s), "test");