shithub: openh264

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Add a test that verifies that the bool typedef in C is ABI compatible with C++

--- a/test/c_interface_test.c

+++ b/test/c_interface_test.c

@@ -1,4 +1,5 @@

 #include "codec_api.h"

+#include <stddef.h>

 // Cast to this function type to ignore other parameters.

 typedef int (*Func)(void*);

@@ -29,4 +30,21 @@

   CHECK(5, p, DecodeFrameEx);

   CHECK(6, p, SetOption);

   CHECK(7, p, GetOption);

+}

+

+struct bool_test_struct {

+  char c;

+  bool b;

+};

+

+size_t GetBoolSize(void) {

+  return sizeof(bool);

+}

+

+size_t GetBoolOffset(void) {

+  return offsetof(struct bool_test_struct, b);

+}

+

+size_t GetBoolStructSize(void) {

+  return sizeof(struct bool_test_struct);

 }

--- a/test/cpp_interface_test.cpp

+++ b/test/cpp_interface_test.cpp

@@ -1,5 +1,6 @@

 #include <gtest/gtest.h>

 #include "codec_api.h"

+#include <stddef.h>

 static void CheckFunctionOrder(int expect, int actual, const char* name) {

   EXPECT_EQ(expect, actual) << "Wrong function order: " << name;

@@ -8,6 +9,9 @@

 typedef void(*CheckFunc)(int, int, const char*);

 extern "C" void CheckEncoderInterface(ISVCEncoder* p, CheckFunc);

 extern "C" void CheckDecoderInterface(ISVCDecoder* p, CheckFunc);

+extern "C" size_t GetBoolSize(void);

+extern "C" size_t GetBoolOffset(void);

+extern "C" size_t GetBoolStructSize(void);

 // Store the 'this' pointer to verify 'this' is received as expected from C code.

 static void* gThis;

@@ -113,4 +117,15 @@

   gThis = p;

   CheckDecoderInterface(p, CheckFunctionOrder);

   delete p;

+}

+

+struct bool_test_struct {

+  char c;

+  bool b;

+};

+

+TEST(ISVCDecoderEncoderTest, CheckCAbi) {

+  EXPECT_EQ(sizeof(bool), GetBoolSize()) << "Wrong size of bool type";

+  EXPECT_EQ(offsetof(bool_test_struct, b), GetBoolOffset()) << "Wrong alignment of bool in a struct";

+  EXPECT_EQ(sizeof(bool_test_struct), GetBoolStructSize()) << "Wrong size of struct with a bool";

 }