Make a new test to enforce the sizes of all structs and enums in the C API....

ppapi/tests/all_c_sizes.h

Index: ppapi/tests/all_c_sizes.h
===================================================================
--- ppapi/tests/all_c_sizes.h	(revision 0)
+++ ppapi/tests/all_c_sizes.h	(revision 0)
@@ -0,0 +1,138 @@
+/* Copyright (c) 2010 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * This header ensures (at compile time) that each type has the expected size.
+ * The purpose is to ensure that the ABI of PPAPI is known, consistent, and
+ * stable.  If the size of one of these types changes, then it is necessary to
+ * change the version of any interfaces that rely on the changed type(s).
+ *
+ * Note that the ABI only consists of the headers under ppapi/c.  But they may
+ * be compiled by either a C or C++ compiler, so we want to make sure they are
+ * consistent regardless of whether a C or C++ compiler is used.  See
+ * test_struct_sizes_c.c and test_struct_sizes_cpp.cc for more information.
+ */
+
+#ifndef PPAPI_TESTS_ALL_C_SIZES_H_
+#define PPAPI_TESTS_ALL_C_SIZES_H_
+
+#include "ppapi/tests/all_c_includes.h"
+
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_CharSet_ConversionError, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_CursorType_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_ObjectProperty_Modifier, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoCodecId_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoCodecLevel_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoCodecProfile_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoDecodeError_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoDecoderEvent_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoFrameBufferConst_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoFrameColorType_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoFrameInfoFlag_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoFrameSurfaceType_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoKey_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoOperation_Dev, 4);
+PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(PP_VideoPayloadFormat_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_AudioSampleRate_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Bool, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FileChooserMode_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FileOpenFlags_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FileSystemType_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FileType_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FontFamily_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FontWeight_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_ImageDataFormat, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_InputEvent_Modifier, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_InputEvent_MouseButton, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_InputEvent_Type, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Instance, 8);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Module, 8);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_PrintOrientation_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_PrintOutputFormat_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Resource, 8);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_ScrollBy_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Time, 8);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_TimeTicks, 8);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_URLRequestProperty, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_URLResponseProperty, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_VarType, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_VideoConfigElement_Dev, 4);
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_VideoDecodeData_Dev, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_FileInfo_Dev, 40);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_FontMetrics_Dev, 20);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_ImageDataDesc, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent, 80);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Character, 12);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Key, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Mouse, 20);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Wheel, 24);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Point, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_PrintPageNumberRange_Dev, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_PrintSettings_Dev, 32);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Rect, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Size, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_UrlComponent_Dev, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_UrlComponents_Dev, 64);
+
+#if !defined(__native_client__) && (defined(_M_X64) || defined(__x86_64__))
+/* These sizes are for 64-bit compilation on Windows, Mac, and Linux.  Native
+   client follows ILP32 even if -m64 is used.  This means pointers are always
+   4 bytes in native client, and it matches Win32  (see below).
+
+   Each of these structs uses at least one type which differs in size or
+   alignment between 64-bit and 32-bit (e.g. pointers, int64_t, uint64_t,
+   or double), and they are not padded to keep their size consistent.  */
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_ClassProperty, 40);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_CompletionCallback, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_DirectoryEntry_Dev, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_FileChooserOptions_Dev, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_FontDescription_Dev, 48);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_ObjectProperty, 72);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_TextRun_Dev, 24);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Var, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoCompressedDataBuffer_Dev, 32);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoDecoderConfig_Dev, 40);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoFrameBuffer_Dev, 112);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoUncompressedDataBuffer_Dev, 136);
+#else
+/* This section is for compilation on 32-bit targets plus native client (in both
+   32-bit and 64-bit mode, since native client always conforms to ILP32).
+
+   These types all contain pointers and have no types that are 8-byte aligned on
+   Windows/NaCl.  The pointers cause the sizes to differ between 32-bit and
+   64-bit, but the lack of 8-byte-aligned types allows them to be consistent
+   between Windows 32-bit, Native Client, and Mac/Linux 32-bit. */
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_ClassProperty, 20);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_CompletionCallback, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_FileChooserOptions_Dev, 8);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoDecoderConfig_Dev, 20);
+
+# if defined (_MSC_VER) || defined(__native_client__)
+/* Windows 32-bit and Native Client (both -m32 and -m64).  Pointers are 4 bytes,
+   but 8-byte types like int64_t and double are 8-byte aligned.  These
+   structures have 8-byte types in them and have the same size on Windows/NaCl
+   as they do on 64-bit Linux and Mac. */
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_DirectoryEntry_Dev, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_FontDescription_Dev, 48);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_ObjectProperty, 72);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_TextRun_Dev, 24);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Var, 16);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoCompressedDataBuffer_Dev, 32);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoFrameBuffer_Dev, 112);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoUncompressedDataBuffer_Dev, 136);
+
+# else
+/* Linux and Mac x86 32-bit, ARM 32-bit.  These types all contain 1 or more
+   types that are 8-byte aligned on Windows and NaCl (e.g., int64_t or double),
+   but on Mac and Linux 32-bit, those types 4-byte aligned. */
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_FontDescription_Dev, 40);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_ObjectProperty, 52);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_TextRun_Dev, 20);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Var, 12);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoCompressedDataBuffer_Dev, 24);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoFrameBuffer_Dev, 88);
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoUncompressedDataBuffer_Dev, 108);
+# endif
+#endif
+
+#endif  // PPAPI_TESTS_ALL_C_SIZES_H_
Property changes on: ppapi/tests/all_c_sizes.h
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Added: svn:eol-style
   + LF