mbed-os/TESTS/mbedmicro-mbed/static_assert/test_cpp.cpp

47 lines
1.7 KiB
C++

#include "mbed_assert.h"
#define THE_ANSWER 42
// Tests for static asserts in different contexts
// multiple asserts are used to garuntee no conflicts occur in generated labels
// Test for static asserts in global context
MBED_STATIC_ASSERT(sizeof(int) >= sizeof(char),
"An int must be larger than char");
MBED_STATIC_ASSERT(2 + 2 == 4,
"Hopefully the universe is mathematically consistent");
MBED_STATIC_ASSERT(THE_ANSWER == 42,
"Said Deep Thought, with infinite majesty and calm");
struct test {
int dummy;
// Test for static asserts in struct context
MBED_STRUCT_STATIC_ASSERT(sizeof(int) >= sizeof(char),
"An int must be larger than char");
MBED_STRUCT_STATIC_ASSERT(2 + 2 == 4,
"Hopefully the universe is mathematically consistent");
MBED_STRUCT_STATIC_ASSERT(THE_ANSWER == 42,
"Said Deep Thought, with infinite majesty and calm");
MBED_STATIC_ASSERT(sizeof(int) >= sizeof(char),
"An int must be larger than char");
MBED_STATIC_ASSERT(2 + 2 == 4,
"Hopefully the universe is mathematically consistent");
MBED_STATIC_ASSERT(THE_ANSWER == 42,
"Said Deep Thought, with infinite majesty and calm");
};
MBED_STATIC_ASSERT(sizeof(struct test) == sizeof(int),
"Static assertions should not change the size of a struct");
void doit_c(void) {
// Test for static asserts in function context
MBED_STATIC_ASSERT(sizeof(int) >= sizeof(char),
"An int must be larger than char");
MBED_STATIC_ASSERT(2 + 2 == 4,
"Hopefully the universe is mathematically consistent");
MBED_STATIC_ASSERT(THE_ANSWER == 42,
"Said Deep Thought, with infinite majesty and calm");
}