1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/Sema/ucn-cstring.c b/clang/test/Sema/ucn-cstring.c
new file mode 100644
index 0000000..5d3e85d
--- /dev/null
+++ b/clang/test/Sema/ucn-cstring.c
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 %s -verify -fsyntax-only -pedantic
+
+int printf(const char *, ...);
+
+int main(void) {
+  int a[sizeof("hello \u2192 \u2603 \u2190 world") == 24 ? 1 : -1];
+  
+  printf("%s (%zd)\n", "hello \u2192 \u2603 \u2190 world", sizeof("hello \u2192 \u2603 \u2190 world"));
+  printf("%s (%zd)\n", "\U00010400\U0001D12B", sizeof("\U00010400\U0001D12B"));
+  // Some error conditions...
+  printf("%s\n", "\U"); // expected-error{{\u used with no following hex digits}}
+  printf("%s\n", "\U00"); // expected-error{{incomplete universal character name}}
+  printf("%s\n", "\U0001"); // expected-error{{incomplete universal character name}}
+  printf("%s\n", "\u0001"); // expected-error{{universal character name refers to a control character}}
+  return 0;
+}