diff options
Diffstat (limited to 'BlocksRuntime/tests/large-struct.c')
-rw-r--r-- | BlocksRuntime/tests/large-struct.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/BlocksRuntime/tests/large-struct.c b/BlocksRuntime/tests/large-struct.c new file mode 100644 index 000000000000..1867bd02dfab --- /dev/null +++ b/BlocksRuntime/tests/large-struct.c @@ -0,0 +1,51 @@ +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*- +// CONFIG + +#import <stdio.h> +#import <stdlib.h> +#import <string.h> + +typedef struct { + unsigned long ps[30]; + int qs[30]; +} BobTheStruct; + +int main (int argc, const char * argv[]) { + BobTheStruct inny; + BobTheStruct outty; + BobTheStruct (^copyStruct)(BobTheStruct); + int i; + + memset(&inny, 0xA5, sizeof(inny)); + memset(&outty, 0x2A, sizeof(outty)); + + for(i=0; i<30; i++) { + inny.ps[i] = i * i * i; + inny.qs[i] = -i * i * i; + } + + copyStruct = ^(BobTheStruct aBigStruct){ return aBigStruct; }; // pass-by-value intrinsically copies the argument + + outty = copyStruct(inny); + + if ( &inny == &outty ) { + printf("%s: struct wasn't copied.", argv[0]); + exit(1); + } + for(i=0; i<30; i++) { + if ( (inny.ps[i] != outty.ps[i]) || (inny.qs[i] != outty.qs[i]) ) { + printf("%s: struct contents did not match.", argv[0]); + exit(1); + } + } + + printf("%s: success\n", argv[0]); + + return 0; +} |