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bees/test/limits.cc
Zygo Blaxell d6732c58e2 test: GCC 13 fix for limits.cc 
GCC complains that #include <cstdint> is missing, so add that.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
2023-05-07 21:24:21 -04:00

339 lines
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#include "tests.h"
#include "crucible/error.h"
#include "crucible/limits.h"
#include <cassert>
#include <cstdint>
using namespace crucible;
// Like catch_all but don't bother printing anything
static
int
silent_catch_all(const function<void()> &f)
{
try {
f();
return 0;
} catch (const exception &) {
return 1;
} catch (...) {
return -1;
}
}
#define SHOULD_FAIL(expr) assert(1 == silent_catch_all([&]() { (expr); }))
#define SHOULD_PASS(expr, result) assert(0 == silent_catch_all([&]() { assert((result) == (expr)); }))
static
void
test_cast_signed_negative_to_unsigned()
{
off_t tv = -1;
SHOULD_FAIL(ranged_cast<uint64_t>(tv));
SHOULD_FAIL(ranged_cast<uint32_t>(tv));
SHOULD_FAIL(ranged_cast<uint16_t>(tv));
SHOULD_FAIL(ranged_cast<uint8_t>(tv));
SHOULD_FAIL(ranged_cast<unsigned long long>(tv));
SHOULD_FAIL(ranged_cast<unsigned long>(tv));
SHOULD_FAIL(ranged_cast<unsigned int>(tv));
SHOULD_FAIL(ranged_cast<unsigned short>(tv));
SHOULD_FAIL(ranged_cast<unsigned char>(tv));
}
static
void
test_cast_1_to_things()
{
auto tv = 1;
SHOULD_PASS(ranged_cast<off_t>(tv), 1);
SHOULD_PASS(ranged_cast<uint64_t>(tv), 1);
SHOULD_PASS(ranged_cast<uint32_t>(tv), 1);
SHOULD_PASS(ranged_cast<uint16_t>(tv), 1);
SHOULD_PASS(ranged_cast<uint8_t>(tv), 1);
SHOULD_PASS(ranged_cast<int64_t>(tv), 1);
SHOULD_PASS(ranged_cast<int32_t>(tv), 1);
SHOULD_PASS(ranged_cast<int16_t>(tv), 1);
SHOULD_PASS(ranged_cast<int8_t>(tv), 1);
SHOULD_PASS(ranged_cast<unsigned long long>(tv), 1);
SHOULD_PASS(ranged_cast<unsigned long>(tv), 1);
SHOULD_PASS(ranged_cast<unsigned int>(tv), 1);
SHOULD_PASS(ranged_cast<unsigned short>(tv), 1);
SHOULD_PASS(ranged_cast<unsigned char>(tv), 1);
SHOULD_PASS(ranged_cast<signed long long>(tv), 1);
SHOULD_PASS(ranged_cast<signed long>(tv), 1);
SHOULD_PASS(ranged_cast<signed int>(tv), 1);
SHOULD_PASS(ranged_cast<signed short>(tv), 1);
SHOULD_PASS(ranged_cast<signed char>(tv), 1);
}
static
void
test_cast_128_to_things()
{
auto tv = 128;
SHOULD_PASS(ranged_cast<off_t>(tv), 128);
SHOULD_PASS(ranged_cast<uint64_t>(tv), 128);
SHOULD_PASS(ranged_cast<uint32_t>(tv), 128);
SHOULD_PASS(ranged_cast<uint16_t>(tv), 128);
SHOULD_PASS(ranged_cast<uint8_t>(tv), 128);
SHOULD_PASS(ranged_cast<int64_t>(tv), 128);
SHOULD_PASS(ranged_cast<int32_t>(tv), 128);
SHOULD_PASS(ranged_cast<int16_t>(tv), 128);
SHOULD_FAIL(ranged_cast<int8_t>(tv));
SHOULD_PASS(ranged_cast<unsigned long long>(tv), 128);
SHOULD_PASS(ranged_cast<unsigned long>(tv), 128);
SHOULD_PASS(ranged_cast<unsigned int>(tv), 128);
SHOULD_PASS(ranged_cast<unsigned short>(tv), 128);
SHOULD_PASS(ranged_cast<unsigned char>(tv), 128);
SHOULD_PASS(ranged_cast<signed long long>(tv), 128);
SHOULD_PASS(ranged_cast<signed long>(tv), 128);
SHOULD_PASS(ranged_cast<signed int>(tv), 128);
SHOULD_PASS(ranged_cast<signed short>(tv), 128);
SHOULD_FAIL(ranged_cast<signed char>(tv));
}
static
void
test_cast_256_to_things()
{
auto tv = 256;
SHOULD_PASS(ranged_cast<off_t>(tv), 256);
SHOULD_PASS(ranged_cast<uint64_t>(tv), 256);
SHOULD_PASS(ranged_cast<uint32_t>(tv), 256);
SHOULD_PASS(ranged_cast<uint16_t>(tv), 256);
SHOULD_FAIL(ranged_cast<uint8_t>(tv));
SHOULD_PASS(ranged_cast<int64_t>(tv), 256);
SHOULD_PASS(ranged_cast<int32_t>(tv), 256);
SHOULD_PASS(ranged_cast<int16_t>(tv), 256);
SHOULD_FAIL(ranged_cast<int8_t>(tv));
SHOULD_PASS(ranged_cast<unsigned long long>(tv), 256);
SHOULD_PASS(ranged_cast<unsigned long>(tv), 256);
SHOULD_PASS(ranged_cast<unsigned int>(tv), 256);
SHOULD_PASS(ranged_cast<unsigned short>(tv), 256);
SHOULD_FAIL(ranged_cast<unsigned char>(tv));
SHOULD_PASS(ranged_cast<signed long long>(tv), 256);
SHOULD_PASS(ranged_cast<signed long>(tv), 256);
SHOULD_PASS(ranged_cast<signed int>(tv), 256);
SHOULD_PASS(ranged_cast<signed short>(tv), 256);
SHOULD_FAIL(ranged_cast<signed char>(tv));
}
static
void
test_cast_0x80000000_to_things()
{
auto sv = 0x80000000LL;
auto uv = 0x80000000ULL;
SHOULD_PASS(ranged_cast<off_t>(sv), sv);
SHOULD_PASS(ranged_cast<uint64_t>(uv), uv);
SHOULD_PASS(ranged_cast<uint32_t>(uv), uv);
SHOULD_FAIL(ranged_cast<uint16_t>(uv));
SHOULD_FAIL(ranged_cast<uint8_t>(uv));
SHOULD_PASS(ranged_cast<int64_t>(sv), sv);
SHOULD_FAIL(ranged_cast<int32_t>(sv));
SHOULD_FAIL(ranged_cast<int16_t>(sv));
SHOULD_FAIL(ranged_cast<int8_t>(sv));
SHOULD_PASS(ranged_cast<unsigned long long>(uv), uv);
SHOULD_PASS(ranged_cast<unsigned long>(uv), uv);
SHOULD_PASS(ranged_cast<unsigned int>(uv), uv);
SHOULD_FAIL(ranged_cast<unsigned short>(uv));
SHOULD_FAIL(ranged_cast<unsigned char>(uv));
SHOULD_PASS(ranged_cast<signed long long>(sv), sv);
if (sizeof(long) == 4) {
SHOULD_FAIL(ranged_cast<signed long>(sv));
} else if (sizeof(long) == 8) {
SHOULD_PASS(ranged_cast<signed long>(sv), sv);
} else {
assert(!"unhandled case, please add code for long here");
}
SHOULD_FAIL(ranged_cast<signed short>(sv));
SHOULD_FAIL(ranged_cast<signed char>(sv));
if (sizeof(int) == 4) {
SHOULD_FAIL(ranged_cast<signed int>(sv));
} else if (sizeof(int) == 8) {
SHOULD_PASS(ranged_cast<signed int>(sv), sv);
} else {
assert(!"unhandled case, please add code for int here");
}
}
static
void
test_cast_0xffffffff_to_things()
{
auto sv = 0xffffffffLL;
auto uv = 0xffffffffULL;
SHOULD_PASS(ranged_cast<off_t>(sv), sv);
SHOULD_PASS(ranged_cast<uint64_t>(uv), uv);
SHOULD_PASS(ranged_cast<uint32_t>(uv), uv);
SHOULD_FAIL(ranged_cast<uint16_t>(uv));
SHOULD_FAIL(ranged_cast<uint8_t>(uv));
SHOULD_PASS(ranged_cast<int64_t>(sv), sv);
SHOULD_FAIL(ranged_cast<int32_t>(sv));
SHOULD_FAIL(ranged_cast<int16_t>(sv));
SHOULD_FAIL(ranged_cast<int8_t>(sv));
SHOULD_PASS(ranged_cast<unsigned long long>(uv), uv);
SHOULD_PASS(ranged_cast<unsigned long>(uv), uv);
SHOULD_PASS(ranged_cast<unsigned int>(uv), uv);
SHOULD_FAIL(ranged_cast<unsigned short>(uv));
SHOULD_FAIL(ranged_cast<unsigned char>(uv));
SHOULD_PASS(ranged_cast<signed long long>(sv), sv);
if (sizeof(long) == 4) {
SHOULD_FAIL(ranged_cast<signed long>(sv));
} else if (sizeof(long) == 8) {
SHOULD_PASS(ranged_cast<signed long>(sv), sv);
} else {
assert(!"unhandled case, please add code for long here");
}
SHOULD_FAIL(ranged_cast<signed short>(sv));
SHOULD_FAIL(ranged_cast<signed char>(sv));
if (sizeof(int) == 4) {
SHOULD_FAIL(ranged_cast<signed int>(sv));
} else if (sizeof(int) == 8) {
SHOULD_PASS(ranged_cast<signed int>(sv), sv);
} else {
assert(!"unhandled case, please add code for int here");
}
}
static
void
test_cast_0xfffffffff_to_things()
{
auto sv = 0xfffffffffLL;
auto uv = 0xfffffffffULL;
SHOULD_PASS(ranged_cast<off_t>(sv), sv);
SHOULD_PASS(ranged_cast<uint64_t>(uv), uv);
SHOULD_FAIL(ranged_cast<uint32_t>(uv));
SHOULD_FAIL(ranged_cast<uint16_t>(uv));
SHOULD_FAIL(ranged_cast<uint8_t>(uv));
SHOULD_PASS(ranged_cast<int64_t>(sv), sv);
SHOULD_FAIL(ranged_cast<int32_t>(sv));
SHOULD_FAIL(ranged_cast<int16_t>(sv));
SHOULD_FAIL(ranged_cast<int8_t>(sv));
SHOULD_PASS(ranged_cast<unsigned long long>(uv), uv);
SHOULD_FAIL(ranged_cast<unsigned short>(uv));
SHOULD_FAIL(ranged_cast<unsigned char>(uv));
SHOULD_PASS(ranged_cast<signed long long>(sv), sv);
SHOULD_FAIL(ranged_cast<signed short>(sv));
SHOULD_FAIL(ranged_cast<signed char>(sv));
if (sizeof(int) == 4) {
SHOULD_FAIL(ranged_cast<signed int>(sv));
SHOULD_FAIL(ranged_cast<unsigned int>(uv));
} else if (sizeof(int) == 8) {
SHOULD_PASS(ranged_cast<signed int>(sv), sv);
SHOULD_PASS(ranged_cast<unsigned int>(uv), uv);
} else {
assert(!"unhandled case, please add code here");
}
if (sizeof(long) == 4) {
SHOULD_FAIL(ranged_cast<signed long>(sv));
SHOULD_FAIL(ranged_cast<unsigned long>(uv));
} else if (sizeof(long) == 8) {
SHOULD_PASS(ranged_cast<signed long>(sv), sv);
SHOULD_PASS(ranged_cast<unsigned long>(uv), uv);
} else {
assert(!"unhandled case, please add code here");
}
}
static
void
test_cast_0x8000000000000000_to_things()
{
auto sv = 0x8000000000000000LL;
auto uv = 0x8000000000000000ULL;
SHOULD_FAIL(ranged_cast<off_t>(sv));
SHOULD_PASS(ranged_cast<uint64_t>(uv), uv);
SHOULD_FAIL(ranged_cast<uint32_t>(uv));
SHOULD_FAIL(ranged_cast<uint16_t>(uv));
SHOULD_FAIL(ranged_cast<uint8_t>(uv));
SHOULD_FAIL(ranged_cast<int64_t>(sv));
SHOULD_FAIL(ranged_cast<int32_t>(sv));
SHOULD_FAIL(ranged_cast<int16_t>(sv));
SHOULD_FAIL(ranged_cast<int8_t>(sv));
SHOULD_PASS(ranged_cast<unsigned long long>(uv), uv);
SHOULD_FAIL(ranged_cast<unsigned short>(uv));
SHOULD_FAIL(ranged_cast<unsigned char>(uv));
SHOULD_FAIL(ranged_cast<signed long long>(sv));
SHOULD_FAIL(ranged_cast<signed long>(sv));
SHOULD_FAIL(ranged_cast<signed int>(sv));
SHOULD_FAIL(ranged_cast<signed short>(sv));
SHOULD_FAIL(ranged_cast<signed char>(sv));
if (sizeof(int) == 4) {
SHOULD_FAIL(ranged_cast<unsigned int>(uv));
} else if (sizeof(int) == 8) {
SHOULD_PASS(ranged_cast<unsigned int>(uv), uv);
} else {
assert(!"unhandled case, please add code here");
}
if (sizeof(long) == 4) {
SHOULD_FAIL(ranged_cast<unsigned long>(uv));
} else if (sizeof(long) == 8) {
SHOULD_PASS(ranged_cast<unsigned long>(uv), uv);
} else {
assert(!"unhandled case, please add code here");
}
}
static
void
test_cast_0xffffffffffffffff_to_things()
{
auto sv = 0xffffffffffffffffLL;
auto uv = 0xffffffffffffffffULL;
SHOULD_FAIL(ranged_cast<off_t>(sv));
SHOULD_PASS(ranged_cast<uint64_t>(uv), uv);
SHOULD_FAIL(ranged_cast<uint32_t>(uv));
SHOULD_FAIL(ranged_cast<uint16_t>(uv));
SHOULD_FAIL(ranged_cast<uint8_t>(uv));
SHOULD_FAIL(ranged_cast<int64_t>(sv));
SHOULD_FAIL(ranged_cast<int32_t>(sv));
SHOULD_FAIL(ranged_cast<int16_t>(sv));
SHOULD_FAIL(ranged_cast<int8_t>(sv));
SHOULD_PASS(ranged_cast<unsigned long long>(uv), uv);
SHOULD_FAIL(ranged_cast<unsigned short>(uv));
SHOULD_FAIL(ranged_cast<unsigned char>(uv));
SHOULD_FAIL(ranged_cast<signed long long>(sv));
SHOULD_FAIL(ranged_cast<signed long>(sv));
SHOULD_FAIL(ranged_cast<signed int>(sv));
SHOULD_FAIL(ranged_cast<signed short>(sv));
SHOULD_FAIL(ranged_cast<signed char>(sv));
if (sizeof(int) == 4) {
SHOULD_FAIL(ranged_cast<unsigned int>(uv));
} else if (sizeof(int) == 8) {
SHOULD_PASS(ranged_cast<unsigned int>(uv), uv);
} else {
assert(!"unhandled case, please add code here");
}
if (sizeof(long) == 4) {
SHOULD_FAIL(ranged_cast<unsigned long>(uv));
} else if (sizeof(long) == 8) {
SHOULD_PASS(ranged_cast<unsigned long>(uv), uv);
} else {
assert(!"unhandled case, please add code here");
}
}
// OK enough with the small values. We want to know if 32-bit machines break.
int
main(int, char**)
{
RUN_A_TEST(test_cast_signed_negative_to_unsigned());
RUN_A_TEST(test_cast_1_to_things());
RUN_A_TEST(test_cast_128_to_things());
RUN_A_TEST(test_cast_256_to_things());
RUN_A_TEST(test_cast_0x80000000_to_things());
RUN_A_TEST(test_cast_0xffffffff_to_things());
RUN_A_TEST(test_cast_0xfffffffff_to_things());
RUN_A_TEST(test_cast_0x8000000000000000_to_things());
RUN_A_TEST(test_cast_0xffffffffffffffff_to_things());
exit(EXIT_SUCCESS);
}
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