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Guard use of <unistd.h> in test.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@268346 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-05-03 00:36:57 +00:00
parent feb3898d4a
commit 3ed38a96f8
1 changed files with 32 additions and 27 deletions
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59
test/std/numerics/rand/rand.device/ctor.pass.cpp
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@@ -22,7 +22,11 @@
#include <random> #include <random>
#include <system_error> #include <system_error>
#include <cassert> #include <cassert>
#if !defined(_WIN32)
#include <unistd.h> #include <unistd.h>
#endif
bool is_valid_random_device(const std::string &token) { bool is_valid_random_device(const std::string &token) {
#if defined(_LIBCPP_USING_DEV_RANDOM) #if defined(_LIBCPP_USING_DEV_RANDOM)
@@ -41,13 +45,37 @@ void check_random_device_invalid(const std::string &token) {
try { try {
std::random_device r(token); std::random_device r(token);
assert(false); assert(false);
} catch (const std::system_error &e) { } catch (const std::system_error&) {
} }
} }
int main() {
{ std::random_device r; }
int main() {
{
std::random_device r;
}
{
std::string token = "wrong file";
check_random_device_invalid(token);
}
{
std::string token = "/dev/urandom";
if (is_valid_random_device(token))
check_random_device_valid(token);
else
check_random_device_invalid(token);
}
{
std::string token = "/dev/random";
if (is_valid_random_device(token))
check_random_device_valid(token);
else
check_random_device_invalid(token);
}
#if !defined(_WIN32)
// Test that random_device(const string&) properly handles getting
// a file descriptor with the value '0'. Do this by closing the standard
// streams so that the descriptor '0' is available.
{ {
int ec; int ec;
ec = close(STDIN_FILENO); ec = close(STDIN_FILENO);
@@ -58,28 +86,5 @@ int main() {
assert(!ec); assert(!ec);
std::random_device r; std::random_device r;
} }
#endif // !defined(_WIN32)
{
std::string token = "wrong file";
if (is_valid_random_device(token))
check_random_device_valid(token);
else
check_random_device_invalid(token);
}
{
std::string token = "/dev/urandom";
if (is_valid_random_device(token))
check_random_device_valid(token);
else
check_random_device_invalid(token);
}
{
std::string token = "/dev/random";
if (is_valid_random_device(token))
check_random_device_valid(token);
else
check_random_device_invalid(token);
}
} }