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-rw-r--r--test/Sema/format-strings-fixit.c44
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 0000000..7cd76c7
--- /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);
+}
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