mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-14 11:54:53 +03:00
c97f7ea23b
Since there are no real users of these functions in Serenity's userland and this is my third attempt at this... This time, the great LibTest test suite will make sure that I do it right!
152 lines
2.5 KiB
C++
152 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2021, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibTest/TestCase.h>
|
|
#include <setjmp.h>
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
|
|
TEST_CASE(setjmp)
|
|
{
|
|
jmp_buf env;
|
|
volatile int set = 1;
|
|
|
|
if (setjmp(env)) {
|
|
EXPECT_EQ(set, 0);
|
|
return;
|
|
}
|
|
|
|
EXPECT_EQ(set, 1);
|
|
set = 0;
|
|
longjmp(env, 1);
|
|
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
TEST_CASE(setjmp_zero)
|
|
{
|
|
jmp_buf env;
|
|
volatile int set = 1;
|
|
|
|
switch (setjmp(env)) {
|
|
case 0:
|
|
EXPECT_EQ(set, 1);
|
|
set = 0;
|
|
longjmp(env, 0);
|
|
VERIFY_NOT_REACHED();
|
|
|
|
case 1:
|
|
EXPECT_EQ(set, 0);
|
|
break;
|
|
|
|
default:
|
|
VERIFY_NOT_REACHED();
|
|
};
|
|
}
|
|
|
|
TEST_CASE(setjmp_value)
|
|
{
|
|
jmp_buf env;
|
|
volatile int set = 1;
|
|
|
|
switch (setjmp(env)) {
|
|
case 0:
|
|
EXPECT_EQ(set, 1);
|
|
set = 0;
|
|
longjmp(env, 0x789ABCDE);
|
|
VERIFY_NOT_REACHED();
|
|
|
|
case 0x789ABCDE:
|
|
EXPECT_EQ(set, 0);
|
|
break;
|
|
|
|
default:
|
|
VERIFY_NOT_REACHED();
|
|
};
|
|
}
|
|
|
|
TEST_CASE(sigsetjmp)
|
|
{
|
|
sigjmp_buf env;
|
|
volatile int set = 1;
|
|
|
|
if (sigsetjmp(env, 0)) {
|
|
EXPECT_EQ(set, 0);
|
|
return;
|
|
}
|
|
|
|
EXPECT_EQ(set, 1);
|
|
set = 0;
|
|
siglongjmp(env, 1);
|
|
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
TEST_CASE(sigsetjmp_zero)
|
|
{
|
|
sigjmp_buf env;
|
|
volatile int set = 1;
|
|
|
|
switch (sigsetjmp(env, 0)) {
|
|
case 0:
|
|
EXPECT_EQ(set, 1);
|
|
set = 0;
|
|
siglongjmp(env, 0);
|
|
VERIFY_NOT_REACHED();
|
|
|
|
case 1:
|
|
EXPECT_EQ(set, 0);
|
|
break;
|
|
|
|
default:
|
|
VERIFY_NOT_REACHED();
|
|
};
|
|
}
|
|
|
|
TEST_CASE(sigsetjmp_value)
|
|
{
|
|
sigjmp_buf env;
|
|
volatile int set = 1;
|
|
|
|
switch (sigsetjmp(env, 0)) {
|
|
case 0:
|
|
EXPECT_EQ(set, 1);
|
|
set = 0;
|
|
siglongjmp(env, 0x789ABCDE);
|
|
VERIFY_NOT_REACHED();
|
|
|
|
case 0x789ABCDE:
|
|
EXPECT_EQ(set, 0);
|
|
break;
|
|
|
|
default:
|
|
VERIFY_NOT_REACHED();
|
|
};
|
|
}
|
|
|
|
TEST_CASE(sigsetjmp_signal_mask)
|
|
{
|
|
sigjmp_buf env;
|
|
|
|
sigset_t alternative_sigset;
|
|
sigfillset(&alternative_sigset);
|
|
|
|
sigset_t initial_sigset;
|
|
sigprocmask(SIG_SETMASK, nullptr, &initial_sigset);
|
|
|
|
EXPECT_NE(memcmp(&alternative_sigset, &initial_sigset, sizeof(sigset_t)), 0);
|
|
|
|
if (sigsetjmp(env, 1)) {
|
|
sigprocmask(SIG_SETMASK, nullptr, &alternative_sigset);
|
|
EXPECT_EQ(memcmp(&alternative_sigset, &initial_sigset, sizeof(sigset_t)), 0);
|
|
return;
|
|
}
|
|
|
|
sigprocmask(SIG_SETMASK, &alternative_sigset, nullptr);
|
|
siglongjmp(env, 1);
|
|
VERIFY_NOT_REACHED();
|
|
}
|