| // RUN: cp %s %t |
| // RUN: %clang_cc1 -pedantic -Wall -fixit %t |
| // RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror %t |
| // RUN: %clang_cc1 -E -o - %t | FileCheck %s |
| |
| /* 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); |
| |
| // Perserve the original formatting for unsigned integers. |
| unsigned long val = 42; |
| printf("%X", val); |
| |
| typedef __SIZE_TYPE__ size_t; |
| typedef __INTMAX_TYPE__ intmax_t; |
| typedef __UINTMAX_TYPE__ uintmax_t; |
| typedef __PTRDIFF_TYPE__ ptrdiff_t; |
| |
| // size_t, etc. |
| printf("%f", (size_t) 42); |
| printf("%f", (intmax_t) 42); |
| printf("%f", (uintmax_t) 42); |
| printf("%f", (ptrdiff_t) 42); |
| } |
| |
| // Validate the fixes... |
| // CHECK: printf("%d", (int) 123); |
| // CHECK: printf("abc%s", "testing testing 123"); |
| // CHECK: printf("%ld", (long) -12); |
| // CHECK: printf("%d", 123); |
| // CHECK: printf("%s\n", "x"); |
| // CHECK: printf("%f\n", 1.23); |
| // CHECK: printf("%.2llu", (unsigned long long) 123456); |
| // CHECK: printf("%1Lf", (long double) 1.23); |
| // CHECK: printf("%0u", (unsigned) 31337); |
| // CHECK: printf("%p", (void *) 0); |
| // CHECK: printf("%+f", 1.23); |
| // CHECK: printf("%-f", 1.23); |
| // CHECK: printf("%1$d:%2$.*3$d:%4$.*3$d\n", 1, 2, 3, 4); |
| // CHECK: printf("%10.5ld", 1l); |
| // CHECK: printf("%c", 'a'); |
| // CHECK: printf("%-f", 1.23); |
| // CHECK: printf("%s", "foo"); |
| // CHECK: printf("%1$p", (void *)0); |
| // CHECK: printf("%lX", val); |
| // CHECK: printf("%zu", (size_t) 42); |
| // CHECK: printf("%jd", (intmax_t) 42); |
| // CHECK: printf("%ju", (uintmax_t) 42); |
| // CHECK: printf("%td", (ptrdiff_t) 42); |