[libc-commits] [libc] [libc] Support %lc in printf (PR #169983)

[Michael Jones via libc-commits]

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@@ -3487,3 +3492,64 @@ TEST(LlvmLibcSPrintfTest, IndexModeParsing) {
                    "why would u do this, this is such   a pain. %");
 }
 #endif // LIBC_COPT_PRINTF_DISABLE_INDEX_MODE
+
+#ifndef LIBC_COPT_PRINTF_DISABLE_WIDE
+TEST(LlvmLibcSprintfTest, WideCharConversion) {
+  char buff[16];
+  int written;
+
+  // Euro sign is a 3-byte UTF-8 character.
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michaelrj-google wrote:

please add tests for 1 and 2 byte wide characters

https://github.com/llvm/llvm-project/pull/169983