test/literals.m

   1 // TEST_CFLAGS -framework Foundation
   2
   3 #import <Foundation/Foundation.h>
   4 #import <Foundation/NSDictionary.h>
   5 #import <objc/runtime.h>
   6 #import <objc/objc-abi.h>
   7 #import <math.h>
   8 #include "test.h"
   9
  10 int main() {
  11     PUSH_POOL {
  12
  13 #if __has_feature(objc_bool)    // placeholder until we get a more precise macro.
  14         NSArray *array = @[ @1, @2, @YES, @NO, @"Hello", @"World" ];
  15         testassert([array count] == 6);
  16         NSDictionary *dict = @{ @"Name" : @"John Q. Public", @"Age" : @42 };
  17         testassert([dict count] == 2);
  18         NSDictionary *numbers = @{ @"π" : @M_PI, @"e" : @M_E };
  19         testassert([[numbers objectForKey:@"π"] doubleValue] == M_PI);
  20         testassert([[numbers objectForKey:@"e"] doubleValue] == M_E);
  21
  22         BOOL yesBool = YES;
  23         BOOL noBool = NO;
  24         array = @[
  25             @(true),
  26             @(YES),
  27             [NSNumber numberWithBool:YES],
  28             @YES,
  29             @(yesBool),
  30             @((BOOL)YES),
  31
  32             @(false),
  33             @(NO),
  34             [NSNumber numberWithBool:NO],
  35             @NO,
  36             @(noBool),
  37             @((BOOL)NO),
  38         ];
  39         NSData * jsonData = [NSJSONSerialization dataWithJSONObject:array options:0 error:nil];
  40         NSString * string = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
  41 #if __cplusplus
  42         testassert([string isEqualToString:@"[true,true,true,true,true,true,false,false,false,false,false,false]"]);
  43 #else
  44         // C99 @(true) and @(false) evaluate to @(1) and @(0).
  45         testassert([string isEqualToString:@"[1,true,true,true,true,true,0,false,false,false,false,false]"]);
  46 #endif
  47
  48 #endif
  49
  50     } POP_POOL;
  51
  52     succeed(__FILE__);
  53
  54     return 0;
  55 }