66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
#include "minunit.h"
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#include <dlfcn.h>
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typedef int (*lib_function)(const char *data, int count);
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char *lib_file = "build/libex29.so";
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void *lib = NULL;
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int check_function(const char *func_to_run, const char *data, int expected)
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{
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lib_function func = dlsym(lib, func_to_run);
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check(func != NULL, "Did not find %s function in the library %s: %s", func_to_run, lib_file, dlerror());
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int rc = func(data, (int)strlen(data));
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check(rc == expected, "Function %s return %d for data: %s", func_to_run, rc, data);
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return 1;
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error:
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return 0;
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}
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char *test_dlopen()
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{
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lib = dlopen(lib_file, RTLD_NOW);
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mu_assert(lib != NULL, "Failed to open the library to test.");
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return NULL;
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}
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char *test_functions()
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{
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mu_assert(check_function("print_a_message", "Hello", 0), "print_a_message failed.");
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mu_assert(check_function("uppercase", "Hello", 0), "uppercase failed.");
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mu_assert(check_function("lowercase", "Hello", 0), "lowercase failed.");
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return NULL;
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}
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char *test_failures()
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{
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mu_assert(check_function("fail_on_purpose", "Hello", 1), "fail_on_purpose should fail.");
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return NULL;
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}
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char *test_dlclose()
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{
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int rc = dlclose(lib);
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mu_assert(rc == 0, "Failed to close lib.");
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return NULL;
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}
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char *all_tests()
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{
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mu_suite_start();
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mu_run_test(test_dlopen);
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mu_run_test(test_functions);
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mu_run_test(test_failures);
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mu_run_test(test_dlclose);
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return NULL;
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}
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RUN_TESTS(all_tests);
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