231 lines
12 KiB
Mathematica
231 lines
12 KiB
Mathematica
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// RUN: %clang_cc1 -fsyntax-only -fblocks -verify %s
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// RUN: %clang_cc1 -fdiagnostics-parseable-fixits -fblocks %s 2>&1 | FileCheck %s
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@class NSString;
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extern void NSLog(NSString *, ...);
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int printf(const char * restrict, ...) ;
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void test_integer_correction (int x) {
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printf("%d", x); // no-warning
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printf("%s", x); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}}
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printf("%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'int'}}
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// CHECK: fix-it:"{{.*}}":{10:11-10:13}:"%d"
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// CHECK: fix-it:"{{.*}}":{11:11-11:14}:"%d"
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NSLog(@"%d", x); // no-warning
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NSLog(@"%s", x); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}}
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NSLog(@"%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'int'}}
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NSLog(@"%@", x); // expected-warning{{format specifies type 'id' but the argument has type 'int'}}
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// CHECK: fix-it:"{{.*}}":{16:11-16:13}:"%d"
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// CHECK: fix-it:"{{.*}}":{17:11-17:14}:"%d"
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// CHECK: fix-it:"{{.*}}":{18:11-18:13}:"%d"
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}
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void test_string_correction (char *x) {
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printf("%d", x); // expected-warning{{format specifies type 'int' but the argument has type 'char *'}}
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printf("%s", x); // no-warning
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printf("%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'char *'}}
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// CHECK: fix-it:"{{.*}}":{25:11-25:13}:"%s"
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// CHECK: fix-it:"{{.*}}":{27:11-27:14}:"%s"
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NSLog(@"%d", x); // expected-warning{{format specifies type 'int' but the argument has type 'char *'}}
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NSLog(@"%s", x); // no-warning
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NSLog(@"%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'char *'}}
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NSLog(@"%@", x); // expected-warning{{format specifies type 'id' but the argument has type 'char *'}}
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// CHECK: fix-it:"{{.*}}":{31:11-31:13}:"%s"
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// CHECK: fix-it:"{{.*}}":{33:11-33:14}:"%s"
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// CHECK: fix-it:"{{.*}}":{34:11-34:13}:"%s"
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}
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void test_object_correction (id x) {
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NSLog(@"%d", x); // expected-warning{{format specifies type 'int' but the argument has type 'id'}}
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NSLog(@"%s", x); // expected-warning{{format specifies type 'char *' but the argument has type 'id'}}
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NSLog(@"%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'id'}}
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NSLog(@"%@", x); // no-warning
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// CHECK: fix-it:"{{.*}}":{41:11-41:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{42:11-42:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{43:11-43:14}:"%@"
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}
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typedef const struct __CFString * __attribute__((NSObject)) CFStringRef;
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void test_cf_object_correction (CFStringRef x) {
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NSLog(@"%d", x); // expected-warning{{format specifies type 'int' but the argument has type 'CFStringRef'}}
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NSLog(@"%s", x); // expected-warning{{format specifies type 'char *' but the argument has type 'CFStringRef'}}
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NSLog(@"%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'CFStringRef'}}
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NSLog(@"%@", x); // no-warning
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// CHECK: fix-it:"{{.*}}":{52:11-52:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{53:11-53:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{54:11-54:14}:"%@"
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}
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typedef void (^block_t)(void);
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void test_block_correction (block_t x) {
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NSLog(@"%d", x); // expected-warning{{format specifies type 'int' but the argument has type 'block_t'}}
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NSLog(@"%s", x); // expected-warning{{format specifies type 'char *' but the argument has type 'block_t'}}
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NSLog(@"%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'block_t'}}
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NSLog(@"%@", x); // no-warning
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// CHECK: fix-it:"{{.*}}":{63:11-63:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{64:11-64:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{65:11-65:14}:"%@"
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}
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void test_class_correction (Class x) {
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NSLog(@"%d", x); // expected-warning{{format specifies type 'int' but the argument has type 'Class'}}
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NSLog(@"%s", x); // expected-warning{{format specifies type 'char *' but the argument has type 'Class'}}
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NSLog(@"%lf", x); // expected-warning{{format specifies type 'double' but the argument has type 'Class'}}
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NSLog(@"%@", x); // no-warning
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// CHECK: fix-it:"{{.*}}":{73:11-73:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{74:11-74:13}:"%@"
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// CHECK: fix-it:"{{.*}}":{75:11-75:14}:"%@"
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}
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typedef enum : int { NSUTF8StringEncoding = 8 } NSStringEncoding;
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void test_fixed_enum_correction(NSStringEncoding x) {
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NSLog(@"%@", x); // expected-warning{{format specifies type 'id' but the argument has type 'NSStringEncoding'}}
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// CHECK: fix-it:"{{.*}}":{85:11-85:13}:"%d"
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}
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typedef __SIZE_TYPE__ size_t;
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enum SomeSize : size_t { IntegerSize = sizeof(int) };
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void test_named_fixed_enum_correction(enum SomeSize x) {
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NSLog(@"%@", x); // expected-warning{{format specifies type 'id' but the argument has type 'enum SomeSize'}}
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// CHECK: fix-it:"{{.*}}":{92:11-92:13}:"%zu"
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}
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typedef unsigned char uint8_t;
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void test_char(char c, signed char s, unsigned char u, uint8_t n) {
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NSLog(@"%s", c); // expected-warning{{format specifies type 'char *' but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%lf", c); // expected-warning{{format specifies type 'double' but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:14}:"%c"
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NSLog(@"%@", c); // expected-warning{{format specifies type 'id' but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%c", c); // no-warning
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%s", s); // expected-warning{{format specifies type 'char *' but the argument has type 'signed char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%lf", s); // expected-warning{{format specifies type 'double' but the argument has type 'signed char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:14}:"%c"
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NSLog(@"%@", s); // expected-warning{{format specifies type 'id' but the argument has type 'signed char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%c", s); // no-warning
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%s", u); // expected-warning{{format specifies type 'char *' but the argument has type 'unsigned char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%lf", u); // expected-warning{{format specifies type 'double' but the argument has type 'unsigned char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:14}:"%c"
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NSLog(@"%@", u); // expected-warning{{format specifies type 'id' but the argument has type 'unsigned char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%c", u); // no-warning
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%s", n); // expected-warning{{format specifies type 'char *' but the argument has type 'uint8_t' (aka 'unsigned char')}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%hhu"
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NSLog(@"%lf", n); // expected-warning{{format specifies type 'double' but the argument has type 'uint8_t' (aka 'unsigned char')}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:14}:"%hhu"
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NSLog(@"%@", n); // expected-warning{{format specifies type 'id' but the argument has type 'uint8_t' (aka 'unsigned char')}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%hhu"
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NSLog(@"%c", n); // no-warning
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%hhu"
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NSLog(@"%s", 'a'); // expected-warning{{format specifies type 'char *' but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%lf", 'a'); // expected-warning{{format specifies type 'double' but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:14}:"%c"
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NSLog(@"%@", 'a'); // expected-warning{{format specifies type 'id' but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%c", 'a'); // no-warning
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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NSLog(@"%s", 'abcd'); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%d"
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NSLog(@"%lf", 'abcd'); // expected-warning{{format specifies type 'double' but the argument has type 'int'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:14}:"%d"
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NSLog(@"%@", 'abcd'); // expected-warning{{format specifies type 'id' but the argument has type 'int'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%d"
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}
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void multichar_constants_false_negative() {
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// The value of a multi-character constant is implementation-defined, but
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// almost certainly shouldn't be printed with %c. However, the current
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// type-checker expects %c to correspond to an integer argument, because
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// many C library functions like fgetc() actually return an int (using -1
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// as a sentinel).
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NSLog(@"%c", 'abcd'); // missing-warning{{format specifies type 'char' but the argument has type 'int'}}
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%d"
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}
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void test_percent_C() {
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const unsigned short data = 'a';
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NSLog(@"%C", data); // no-warning
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NSLog(@"%C", 0x260300); // expected-warning{{format specifies type 'unichar' (aka 'unsigned short') but the argument has type 'int'}}
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%d"
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// CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:16-[[@LINE-2]]:16}:"(unsigned short)"
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typedef unsigned short unichar;
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NSLog(@"%C", 0x260300); // expected-warning{{format specifies type 'unichar' (aka 'unsigned short') but the argument has type 'int'}}
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%d"
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// CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:16-[[@LINE-2]]:16}:"(unichar)"
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NSLog(@"%C", data ? 0x2F0000 : 0x260300); // expected-warning{{format specifies type 'unichar' (aka 'unsigned short') but the argument has type 'int'}}
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%d"
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// CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:16-[[@LINE-2]]:16}:"(unichar)("
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// CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:42-[[@LINE-3]]:42}:")"
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NSLog(@"%C", 0.0); // expected-warning{{format specifies type 'unichar' (aka 'unsigned short') but the argument has type 'double'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%f"
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-2]]:16-[[@LINE-2]]:16}:"(unichar)"
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NSLog(@"%C", (char)0x260300); // expected-warning{{format specifies type 'unichar' (aka 'unsigned short') but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-2]]:16-[[@LINE-2]]:22}:"(unichar)"
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NSLog(@"%C", 'a'); // expected-warning{{format specifies type 'unichar' (aka 'unsigned short') but the argument has type 'char'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%c"
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// CHECK-NOT: fix-it:"{{.*}}":{[[@LINE-2]]:16-[[@LINE-2]]:22}:"(unichar)"
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}
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void testSignedness(long i, unsigned long u) {
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printf("%d", u); // expected-warning{{format specifies type 'int' but the argument has type 'unsigned long'}}
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printf("%i", u); // expected-warning{{format specifies type 'int' but the argument has type 'unsigned long'}}
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printf("%u", i); // expected-warning{{format specifies type 'unsigned int' but the argument has type 'long'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:11-[[@LINE-4]]:13}:"%lu"
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// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:11-[[@LINE-4]]:13}:"%lu"
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// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:11-[[@LINE-4]]:13}:"%ld"
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printf("%+d", u); // expected-warning{{format specifies type 'int' but the argument has type 'unsigned long'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:11-[[@LINE-2]]:14}:"%+ld"
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}
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