1 files changed, 44 insertions, 0 deletions
diff --git a/test/Sema/format-strings-fixit.c b/test/Sema/format-strings-fixit.c
new file mode 100644
index 000000000000..7cd76c7c37e7
--- /dev/null
+++ b/test/Sema/format-strings-fixit.c
@@ -0,0 +1,44 @@
+// RUN: cp %s %t
+// RUN: %clang_cc1 -pedantic -Wall -fixit %t || true
+// RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror %t
+
+/* This is a test of the various code modification hints that are
+   provided as part of warning or extension diagnostics. All of the
+   warnings will be fixed by -fixit, and the resulting file should
+   compile cleanly with -Werror -pedantic. */
+
+int printf(char const *, ...);
+
+void test() {
+  // Basic types
+  printf("%s", (int) 123);
+  printf("abc%0f", "testing testing 123");
+  printf("%u", (long) -12);
+  printf("%p", 123);
+  printf("%c\n", "x");
+  printf("%c\n", 1.23);
+
+  // Larger types
+  printf("%+.2d", (unsigned long long) 123456);
+  printf("%1d", (long double) 1.23);
+
+  // Flag handling
+  printf("%0+s", (unsigned) 31337); // 0 flag should stay
+  printf("%#p", (void *) 0);
+  printf("% +f", 1.23); // + flag should stay
+  printf("%0-f", 1.23); // - flag should stay
+
+  // Positional arguments
+  printf("%1$f:%2$.*3$f:%4$.*3$f\n", 1, 2, 3, 4);
+
+  // Precision
+  printf("%10.5d", 1l); // (bug 7394)
+  printf("%.2c", 'a');
+
+  // Ignored flags
+  printf("%0-f", 1.23);
+
+  // Bad length modifiers
+  printf("%hhs", "foo");
+  printf("%1$zp", (void *)0);
+}