Experiment for updating the tcmalloc chromium branch to r144 (gperftools 2.0).

third_party/tcmalloc/chromium/src/tests/malloc_extension_c_test.c

 /* Copyright (c) 2009, Google Inc.
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  * 
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
  * This tests the c shims: malloc_extension_c.h and malloc_hook_c.h.
  * Mostly, we'll just care that these shims compile under gcc
  * (*not* g++!)
  *
  * NOTE: this is C code, not C++ code!
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>   /* for size_t */
-#include <google/malloc_extension_c.h>
-#include <google/malloc_hook_c.h>
+#include <gperftools/malloc_extension_c.h>
+#include <gperftools/malloc_hook_c.h>
 
 #define FAIL(msg) do {                          \
   fprintf(stderr, "FATAL ERROR: %s\n", msg);    \
   exit(1);                                      \
 } while (0)
 
 static int g_new_hook_calls = 0;
 static int g_delete_hook_calls = 0;
 
 void TestNewHook(const void* ptr, size_t size) {
@@ skipping 64 matching lines @@
   MallocExtension_MarkThreadIdle();
   MallocExtension_MarkThreadBusy();
   MallocExtension_ReleaseToSystem(1);
   MallocExtension_ReleaseFreeMemory();
   if (MallocExtension_GetEstimatedAllocatedSize(10) < 10) {
     FAIL("GetEstimatedAllocatedSize returned a bad value (too small)");
   }
   if (MallocExtension_GetAllocatedSize(x) < 10) {
     FAIL("GetEstimatedAllocatedSize returned a bad value (too small)");
   }
+  if (MallocExtension_GetOwnership(x) != MallocExtension_kOwned) {
+    FAIL("DidAllocatePtr returned a bad value (kNotOwned)");
+  }
+  /* TODO(csilvers): this relies on undocumented behavior that
+     GetOwnership works on stack-allocated variables.  Use a better test. */
+  if (MallocExtension_GetOwnership(hist) != MallocExtension_kNotOwned) {
+    FAIL("DidAllocatePtr returned a bad value (kOwned)");
+  }
 
   free(x);
 }
 
 int main(int argc, char** argv) {
   TestMallocHook();
   TestMallocExtension();
 
   printf("PASS\n");
   return 0;
 }