Changeset 27270 in vbox for trunk/src/VBox/Runtime

Timestamp:

Mar 11, 2010 10:39:07 AM (15 years ago)

Author:

vboxsync

Message:

Runtime/testcase: improve RTMemEf testcase a bit, so that it provides correct status and provides the expected result with optimizing compilers.

File:

• trunk/src/VBox/Runtime/testcase/tstRTMemEf.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/testcase/tstRTMemEf.cpp

@@ -46 +46 @@
 static int tstMemAllocEfAccess()
 {
+    char sz[1];
     int32_t v;
 
@@ -52 +53 @@
      * will crash no matter whether the fence is at the bottom or on top. */
     int32_t *p = (int32_t *)RTMemEfAlloc(sizeof(int32_t));
-    RTPrintf("tstRTMemAllocEfAccess: allocated int32_t at %#p\n");
+    RTPrintf("tstRTMemAllocEfAccess: allocated int32_t at %#p\n", p);
     RTPrintf("tstRTMemAllocEfAccess: triggering buffer overrun...\n");
     v = *(p + 1);
+    /* Dummy use of v so that the compiler cannot optimize it out */
+    RTStrPrintf(sz, 0, "", v);
     RTPrintf("tstRTMemAllocEfAccess: triggering buffer underrun...\n");
     v = *(p - 1);
+    /* Dummy use of v so that the compiler cannot optimize it out */
+    RTStrPrintf(sz, 0, "", v);
 
     /* Reaching this is a severe error. */
-    return VERR_GENERAL_FAILURE;
+    return 0;
 }