xref: /llvm-project/clang-tools-extra/test/clang-tidy/checkers/google/objc-avoid-throwing-exception.m (revision 6c2140943cbe257c85f7121349c5bca950a26e0d)
1// RUN: %check_clang_tidy %s google-objc-avoid-throwing-exception %t -- -- -I %S/Inputs/
2
3@class NSString;
4
5@interface NSException
6
7+ (void)raise:(NSString *)name format:(NSString *)format;
8+ (void)raise:(NSString *)name format:(NSString *)format arguments:(NSString *)args; // using NSString type since va_list cannot be recognized here
9
10@end
11
12@interface NotException
13
14+ (void)raise:(NSString *)name format:(NSString *)format;
15
16@end
17
18@implementation Foo
19- (void)f {
20    NSString *foo = @"foo";
21    @throw foo;
22    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: pass in NSError ** instead of throwing exception to indicate Objective-C errors [google-objc-avoid-throwing-exception]
23}
24
25#include "system-header-throw.h"
26
27#define THROW(e) @throw e
28
29#define RAISE [NSException raise:@"example" format:@"fmt"]
30
31- (void)f2 {
32    [NSException raise:@"TestException" format:@"Test"];
33    // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: pass in NSError ** instead of throwing exception to indicate Objective-C errors [google-objc-avoid-throwing-exception]
34    [NSException raise:@"TestException" format:@"Test %@" arguments:@"bar"];
35    // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: pass in NSError ** instead of throwing exception to indicate Objective-C errors [google-objc-avoid-throwing-exception]
36    [NotException raise:@"NotException" format:@"Test"];
37
38    NSException *e;
39    SYS_THROW(e);
40
41    SYS_RAISE;
42
43    THROW(e);
44    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: pass in NSError ** instead of throwing exception to indicate Objective-C errors [google-objc-avoid-throwing-exception]
45
46    RAISE;
47    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: pass in NSError ** instead of throwing exception to indicate Objective-C errors [google-objc-avoid-throwing-exception]
48}
49@end
50
51