This commit is contained in:
Lysann Tranvouez 2025-10-02 20:51:25 +02:00
parent 5e76138b53
commit 327dfb0cb7
5 changed files with 34 additions and 34 deletions

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@ -6,14 +6,14 @@ add_executable(mach_detours_tests
# The target function must be in a shared library because otherwise it might be in the same code page as the test.cpp functions.
# Between attach and commit the target function's code page is not executable, which can mean our test driver code would not
# be executable.
add_library(mach_detours_test_func SHARED
test_func.c
test_func.h
add_library(mach_detours_tests_lib SHARED
lib_function.c
lib_function.h
)
target_link_libraries(mach_detours_tests
PRIVATE
mach_detours
Catch2::Catch2WithMain
mach_detours_test_func
mach_detours_tests_lib
)

11
tests/lib_function.c Normal file
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@ -0,0 +1,11 @@
// Copyright (c) Lysann Tranvouez. All rights reserved.
#include "lib_function.h"
int libFunctionCounter = 0;
int libFunction()
{
libFunctionCounter++;
return 42;
}

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@ -6,9 +6,9 @@
extern "C" {
#endif
extern int testFunctionCounter;
extern int libFunctionCounter;
int testFunction();
int libFunction();
#ifdef __cplusplus
}

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@ -6,36 +6,36 @@
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "test_func.h"
#include "lib_function.h"
int (*realLibFunction)() = libFunction;
static int testFunctionDetourCounter = 0;
int testFunctionDetour()
static int libFunctionDetourCounter = 0;
int libFunctionDetour()
{
testFunctionDetourCounter++;
libFunctionDetourCounter++;
return 94;
}
TEST_CASE( "Overriding custom function in dylib" )
{
int (*realTestFunction)() = testFunction;
testFunctionCounter = 0;
testFunctionDetourCounter = 0;
libFunctionCounter = 0;
libFunctionDetourCounter = 0;
REQUIRE( testFunction() == 42 );
REQUIRE( testFunctionCounter == 1 );
REQUIRE( testFunctionDetourCounter == 0 );
REQUIRE( libFunction() == 42 );
REQUIRE( libFunctionCounter == 1 );
REQUIRE( libFunctionDetourCounter == 0 );
CHECK( detour_transaction_begin() == err_none );
CHECK( detour_attach(reinterpret_cast<detour_func_t*>(&realTestFunction), reinterpret_cast<detour_func_t>(testFunctionDetour)) == err_none );
CHECK( detour_attach(reinterpret_cast<detour_func_t*>(&realLibFunction), reinterpret_cast<detour_func_t>(libFunctionDetour)) == err_none );
CHECK( detour_transaction_commit() == err_none );
REQUIRE( realTestFunction != testFunction );
REQUIRE( realLibFunction != libFunction );
REQUIRE( testFunctionCounter == 1 );
REQUIRE( testFunctionDetourCounter == 0 );
REQUIRE( testFunction() == 94 );
REQUIRE( testFunctionCounter == 1 );
REQUIRE( testFunctionDetourCounter == 1 );
REQUIRE( libFunctionCounter == 1 );
REQUIRE( libFunctionDetourCounter == 0 );
REQUIRE( libFunction() == 94 );
REQUIRE( libFunctionCounter == 1 );
REQUIRE( libFunctionDetourCounter == 1 );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

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@ -1,11 +0,0 @@
// Copyright (c) Lysann Tranvouez. All rights reserved.
#include "test_func.h"
int testFunctionCounter = 0;
int testFunction()
{
testFunctionCounter++;
return 42;
}