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

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This commit is contained in:
Martin Storsjö 2014-02-12 22:28:35 +02:00
parent c418a76d8e
commit 76383c7150
2 changed files with 33 additions and 0 deletions
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18
test/c_interface_test.c
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@ -1,4 +1,5 @@
#include "codec_api.h"
#include <stddef.h>
// Cast to this function type to ignore other parameters.
typedef int (*Func)(void*);
@ -30,3 +31,20 @@ void CheckDecoderInterface(ISVCDecoder* p, CheckFunc check) {
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);
}

15
test/cpp_interface_test.cpp
View File

@ -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 @@ static void CheckFunctionOrder(int expect, int actual, const char* name) {
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;
@ -114,3 +118,14 @@ TEST(ISVCDecoderTest, CheckFunctionOrder) {
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";
}