diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/Feature/MemoryLimit.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/test/Feature/MemoryLimit.c b/test/Feature/MemoryLimit.c index e9635cab..c077c6b7 100644 --- a/test/Feature/MemoryLimit.c +++ b/test/Feature/MemoryLimit.c @@ -1,5 +1,6 @@ // REQUIRES: not-msan -// Memsan adds additional memory that overflows the counter +// MSan adds additional memory that overflows the counter +// // Check that we properly kill states when we exceed our memory bounds, for both // small and large allocations (large allocations commonly use mmap(), which can // follow a separate path in the allocator and statistics reporting). @@ -7,50 +8,56 @@ // RUN: %clang -emit-llvm -DLITTLE_ALLOC -g -c %s -o %t.little.bc // RUN: rm -rf %t.klee-out // RUN: %klee --output-dir=%t.klee-out --max-memory=20 %t.little.bc > %t.little.log -// RUN: not grep -q "MALLOC FAILED" %t.little.log -// RUN: not grep -q "DONE" %t.little.log -// RUN: grep "WARNING: killing 1 states (over memory cap" %t.klee-out/warnings.txt +// RUN: FileCheck -check-prefix=CHECK-LITTLE -input-file=%t.little.log %s +// RUN: FileCheck -check-prefix=CHECK-WRN -input-file=%t.klee-out/warnings.txt %s // RUN: %clang -emit-llvm -g -c %s -o %t.big.bc // RUN: rm -rf %t.klee-out // RUN: %klee --output-dir=%t.klee-out --max-memory=20 %t.big.bc > %t.big.log 2> %t.big.err -// RUN: not grep -q "MALLOC FAILED" %t.big.log -// RUN: not grep -q "DONE" %t.big.log -// RUN: grep "WARNING: killing 1 states (over memory cap" %t.klee-out/warnings.txt +// RUN: FileCheck -check-prefix=CHECK-BIG -input-file=%t.big.log %s +// RUN: FileCheck -check-prefix=CHECK-WRN -input-file=%t.klee-out/warnings.txt %s -#include <stdlib.h> #include <stdio.h> +#include <stdlib.h> int main() { - int i, j, x=0, malloc_failed = 0; - + int i, j, x = 0, malloc_failed = 0; + #ifdef LITTLE_ALLOC printf("IN LITTLE ALLOC\n"); - - // 200 MBs total (in 1k chunks) - for (i=0; i<100 && !malloc_failed; i++) { - for (j=0; j<(1<<11); j++){ - void * p = malloc(1<<10); + // CHECK-LITTLE: IN LITTLE ALLOC + + // 200 MB total (in 1 KB chunks) + for (i = 0; i < 100 && !malloc_failed; i++) { + for (j = 0; j < (1 << 11); j++) { + void *p = malloc(1 << 10); malloc_failed |= (p == 0); } } #else printf("IN BIG ALLOC\n"); - + // CHECK-BIG: IN BIG ALLOC + // 200 MBs total - for (i=0; i<100 && !malloc_failed; i++) { - void *p = malloc(1<<21); + for (i = 0; i < 100 && !malloc_failed; i++) { + void *p = malloc(1 << 21); malloc_failed |= (p == 0); // Ensure we hit the periodic check // Use the pointer to be not optimized out by the compiler - for (j=0; j<10000; j++) - x+=(unsigned)p; + for (j = 0; j < 10000; j++) + x += (long)p; } #endif +// CHECK-WRN: WARNING: killing 1 states (over memory cap + if (malloc_failed) printf("MALLOC FAILED\n"); + // CHECK-LITTLE-NOT: MALLOC FAILED + // CHECK-BIG-NOT: MALLOC FAILED printf("DONE!\n"); + // CHECK-LITTLE-NOT: DONE! + // CHECK-BIG-NOT: DONE! return x; } |