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[UBSan] Various improvements to vptr.cpp test case 

* Remove __ubsan_default_options, so that test would work on Darwin
* Fix unintentional undefined behavior in the code (missing return)
* Build the test with -fno-sanitize-recover to distinguish expected
  failures and expected passes by return code.

llvm-svn: 236152
This commit is contained in:
Alexey Samsonov 2015-04-29 20:39:12 +00:00
parent ff46ebe5a4
commit 299c21474c
1 changed files with 26 additions and 29 deletions
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55
compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
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@ -1,38 +1,33 @@
// RUN: %clangxx -frtti -fsanitize=vptr -g %s -O3 -o %t
// RUN: %clangxx -frtti -fsanitize=vptr -fno-sanitize-recover=vptr -g %s -O3 -o %t
// RUN: export UBSAN_OPTIONS=print_stacktrace=1
// RUN: %run %t rT && %run %t mT && %run %t fT && %run %t cT
// RUN: %run %t rU && %run %t mU && %run %t fU && %run %t cU
// RUN: %run %t rS && %run %t rV && %run %t oV
// RUN: %run %t mS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --strict-whitespace
// RUN: %run %t fS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
// RUN: %run %t cS 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --strict-whitespace
// RUN: %run %t mV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --strict-whitespace
// RUN: %run %t fV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
// RUN: %run %t cV 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --strict-whitespace
// RUN: %run %t oU 2>&1 | FileCheck %s --check-prefix=CHECK-OFFSET --strict-whitespace
// RUN: %run %t m0 2>&1 | FileCheck %s --check-prefix=CHECK-NULL-MEMBER --strict-whitespace
// RUN: not %run %t mS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --strict-whitespace
// RUN: not %run %t fS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
// RUN: not %run %t cS 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --strict-whitespace
// RUN: not %run %t mV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --strict-whitespace
// RUN: not %run %t fV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
// RUN: not %run %t cV 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --strict-whitespace
// RUN: not %run %t oU 2>&1 | FileCheck %s --check-prefix=CHECK-OFFSET --strict-whitespace
// RUN: not %run %t m0 2>&1 | FileCheck %s --check-prefix=CHECK-NULL-MEMBER --strict-whitespace
// RUN: (echo "vptr_check:S"; echo "vptr_check:T"; echo "vptr_check:U") > %t.supp
// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t mS 2>&1
// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t fS 2>&1
// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t cS 2>&1
// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t mV 2>&1
// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t fV 2>&1
// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t cV 2>&1
// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t oU 2>&1
// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t mS
// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t fS
// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t cS
// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t mV
// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t fV
// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t cV
// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t oU
// RUN: echo "vptr_check:S" > %t.loc-supp
// RUN: UBSAN_OPTIONS="suppressions='%t.loc-supp':halt_on_error=1" not %run %t x- 2>&1 | FileCheck %s --check-prefix=CHECK-LOC-SUPPRESS
// RUN: UBSAN_OPTIONS="suppressions='%t.loc-supp'" not %run %t x- 2>&1 | FileCheck %s --check-prefix=CHECK-LOC-SUPPRESS
// FIXME: This test doesn't pass on Darwin yet.
// XFAIL: darwin
// REQUIRES: stable-runtime
#include <new>
extern "C" {
const char *__ubsan_default_options() {
return "print_stacktrace=1";
}
}
#include <assert.h>
#include <stdio.h>
struct S {
S() : a(0) {}
@ -58,7 +53,9 @@ T *p = 0;
int access_p(T *p, char type);
int main(int, char **argv) {
int main(int argc, char **argv) {
assert(argc > 1);
fprintf(stderr, "Test case: %s\n", argv[1]);
T t;
(void)t.a;
(void)t.b;
@ -107,7 +104,7 @@ int access_p(T *p, char type) {
case 'r':
// Binding a reference to storage of appropriate size and alignment is OK.
{T &r = *p;}
break;
return 0;
case 'x':
for (int i = 0; i < 2; i++) {
@ -157,13 +154,13 @@ int access_p(T *p, char type) {
return reinterpret_cast<U*>(p)->v() - 2;
case 'c':
// CHECK-DOWNCAST: vptr.cpp:[[@LINE+6]]:5: runtime error: downcast of address [[PTR:0x[0-9a-f]*]] which does not point to an object of type 'T'
// CHECK-DOWNCAST: vptr.cpp:[[@LINE+6]]:11: runtime error: downcast of address [[PTR:0x[0-9a-f]*]] which does not point to an object of type 'T'
// CHECK-DOWNCAST-NEXT: [[PTR]]: note: object is of type [[DYN_TYPE:'S'|'U']]
// CHECK-DOWNCAST-NEXT: {{^ .. .. .. .. .. .. .. .. .. .. .. .. }}
// CHECK-DOWNCAST-NEXT: {{^ \^~~~~~~~~~~(~~~~~~~~~~~~)? *$}}
// CHECK-DOWNCAST-NEXT: {{^ vptr for}} [[DYN_TYPE]]
// CHECK-DOWNCAST-NEXT: #0 {{.*}}access_p{{.*}}vptr.cpp:[[@LINE+1]]
static_cast<T*>(reinterpret_cast<S*>(p));
(void)static_cast<T*>(reinterpret_cast<S*>(p));
return 0;
}
}