1 files changed, 57 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/wtf/SizeLimits.cpp b/Source/JavaScriptCore/wtf/SizeLimits.cpp
new file mode 100644
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+++ b/Source/JavaScriptCore/wtf/SizeLimits.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2010 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include <wtf/Assertions.h>
+#include <wtf/CrossThreadRefCounted.h>
+#include <wtf/OwnPtr.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Vector.h>
+
+namespace WTF {
+
+#ifndef NDEBUG
+struct StructWithIntAndTwoBools { int a; bool b; bool c; };
+static const size_t refCountedExtraDebugSize = sizeof(StructWithIntAndTwoBools) - sizeof(int);
+#else
+static const size_t refCountedExtraDebugSize = 0;
+#endif
+
+COMPILE_ASSERT(sizeof(OwnPtr<int>) == sizeof(int*), OwnPtr_should_stay_small);
+COMPILE_ASSERT(sizeof(PassRefPtr<RefCounted<int> >) == sizeof(int*), PassRefPtr_should_stay_small);
+COMPILE_ASSERT(sizeof(RefCounted<int>) == sizeof(int) + refCountedExtraDebugSize, RefCounted_should_stay_small);
+COMPILE_ASSERT(sizeof(RefCountedCustomAllocated<int>) == sizeof(int) + refCountedExtraDebugSize, RefCountedCustomAllocated_should_stay_small);
+COMPILE_ASSERT(sizeof(RefPtr<RefCounted<int> >) == sizeof(int*), RefPtr_should_stay_small);
+COMPILE_ASSERT(sizeof(Vector<int>) == 3 * sizeof(int*), Vector_should_stay_small);
+
+}