formatting + explicit casts

Author: uzairnawaz

libc/test/src/__support/wchar/string_converter_test.cpp

@@ -57,7 +57,10 @@ TEST(LlvmLibcStringConverterTest, UTF8To32) {
 
 TEST(LlvmLibcStringConverterTest, UTF32To8) {
   // clown emoji, sigma symbol, y with diaeresis, letter A
-  const wchar_t src[] = {0x1f921, 0x2211, 0xff, 0x41, 0x0};
+  const wchar_t src[] = {static_cast<wchar_t>(0x1f921),
+                         static_cast<wchar_t>(0x2211),
+                         static_cast<wchar_t>(0xff), static_cast<wchar_t>(0x41),
+                         static_cast<wchar_t>(0x0)};
   LIBC_NAMESPACE::internal::mbstate state;
   LIBC_NAMESPACE::internal::StringConverter<char32_t> sc(
       reinterpret_cast<const char32_t *>(src), &state, SIZE_MAX);
@@ -128,7 +131,9 @@ TEST(LlvmLibcStringConverterTest, UTF32To8) {
 }
 
 TEST(LlvmLibcStringConverterTest, UTF32To8PartialRead) {
-  const wchar_t src[] = {0x1f921, 0x2211, 0x0}; // clown emoji, sigma symbol
+  const wchar_t src[] = {
+      static_cast<wchar_t>(0x1f921), static_cast<wchar_t>(0x2211),
+      static_cast<wchar_t>(0x0)}; // clown emoji, sigma symbol
   LIBC_NAMESPACE::internal::mbstate state;
   LIBC_NAMESPACE::internal::StringConverter<char32_t> sc(
       reinterpret_cast<const char32_t *>(src), &state, SIZE_MAX, 1);
@@ -178,7 +183,9 @@ TEST(LlvmLibcStringConverterTest, UTF8To32PartialRead) {
 }
 
 TEST(LlvmLibcStringConverterTest, UTF32To8ErrorHandling) {
-  const wchar_t src[] = {0x1f921, 0xffffff, 0x0}; // clown emoji, invalid utf32
+  const wchar_t src[] = {
+      static_cast<wchar_t>(0x1f921), static_cast<wchar_t>(0xffffff),
+      static_cast<wchar_t>(0x0)}; // clown emoji, invalid utf32
   LIBC_NAMESPACE::internal::mbstate state;
   LIBC_NAMESPACE::internal::StringConverter<char32_t> sc(
       reinterpret_cast<const char32_t *>(src), &state, SIZE_MAX);
@@ -234,7 +241,9 @@ TEST(LlvmLibcStringConverterTest, MultipleStringConverters32To8) {
   StringConverter to continue where we left off. This is not expected to work
   and considered invalid.
   */
-  const wchar_t src[] = {0x1f921, 0xff, 0x0}; // clown emoji, y with diaeresis (ÿ)
+  const wchar_t src[] = {
+      static_cast<wchar_t>(0x1f921), static_cast<wchar_t>(0xff),
+      static_cast<wchar_t>(0x0)}; // clown emoji, y with diaeresis (ÿ)
   LIBC_NAMESPACE::internal::mbstate state;
   LIBC_NAMESPACE::internal::StringConverter<char32_t> sc1(
       reinterpret_cast<const char32_t *>(src), &state, SIZE_MAX, 1);
@@ -317,7 +326,8 @@ TEST(LlvmLibcStringConverterTest, DestLimitUTF8To32) {
 }
 
 TEST(LlvmLibcStringConverterTest, DestLimitUTF32To8) {
-  const wchar_t src[] = {0x1f921, 0x1f921}; // 2 clown emojis
+  const wchar_t src[] = {static_cast<wchar_t>(0x1f921),
+                         static_cast<wchar_t>(0x1f921)}; // 2 clown emojis
   LIBC_NAMESPACE::internal::mbstate state;
   LIBC_NAMESPACE::internal::StringConverter<char32_t> sc(
       reinterpret_cast<const char32_t *>(src), &state, 5);