2009-07-09 Joel Sherrill <joel.sherrill@OARcorp.com>

* malloctest/init.c, malloctest/malloctest.scn: Add heap resize test
	for shrinking a block enough to need to free the newly unused
	portion.

testsuites/libtests/ChangeLog

@@ -1,3 +1,9 @@
+2009-07-09	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	* malloctest/init.c, malloctest/malloctest.scn: Add heap resize test
+	for shrinking a block enough to need to free the newly unused
+	portion.
+
 2009-07-08	Joel Sherrill <joel.sherrill@OARcorp.com>
 
 	* malloctest/init.c, malloctest/malloctest.scn: Add error cases for

testsuites/libtests/malloctest/init.c

@@ -62,7 +62,7 @@ void test_realloc(void)
   free(p1);
 
   /* Test realloc that should fail "in place", i.e.,
-   * fallback to free()--malloc()
+   * fallback to free()-- malloc()
    */
   p1 = malloc(32);
   p2 = malloc(32);
@@ -252,6 +252,25 @@ void test_protected_heap_info(void)
   rtems_test_assert( rc == false );
 }
 
+void test_heap_resize(void)
+{
+  Heap_Resize_status  rc;
+  void               *p1;
+  intptr_t            oldsize;
+  intptr_t            avail;
+
+  puts( "Initialize Test Heap" );
+  test_heap_init();
+  
+  puts( "Allocate most of heap" );
+  p1 = _Heap_Allocate( &TestHeap, TEST_HEAP_SIZE - 32 );
+  rtems_test_assert( p1 != NULL );
+
+  puts( "Resize (shrink) the area to 8 bytes to ensure remainder gets freed" );
+  rc = _Heap_Resize_block( &TestHeap, p1, 8, &oldsize, &avail );
+  rtems_test_assert( rc == HEAP_RESIZE_SUCCESSFUL );
+}
+
 /*
  *  A simple test of posix_memalign
  */
@@ -319,6 +338,7 @@ rtems_task Init(
   test_heap_extend();
   test_heap_info();
   test_protected_heap_info();
+  test_heap_resize();
 
   test_posix_memalign();