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#include "user/user.h"
int strlen(const char *s)
{
int n = 0;
while (s[n])
n++;
return n;
}
void print(const char *s)
{
write(1, s, strlen(s));
}
void print_int(int val)
{
char buf[16];
int i = 0;
if (val == 0)
{
print("0");
return;
}
if (val < 0)
{
print("-");
val = -val;
}
while (val > 0)
{
buf[i++] = (val % 10) + '0';
val /= 10;
}
while (i > 0)
{
char c = buf[--i];
write(1, &c, 1);
}
}
void pass() { print(" -> [PASS]\n"); }
void fail()
{
print(" -> [FAIL]\n");
exit(1);
}
int main()
{
print("\n=== Lume OS Full Validation ===\n");
print("[TEST 1] Write\n");
print(" System call write is working.");
pass();
print("[TEST 2] GetPID\n");
int parent_pid = getpid();
print(" Parent PID: ");
print_int(parent_pid);
if (parent_pid > 0)
pass();
else
fail();
print("[TEST 3] Fork, Wait & COW\n");
int val = 100;
int pid = fork();
if (pid < 0)
{
print(" Fork Failed\n");
fail();
}
if (pid == 0)
{
print(" [Child] PID: ");
print_int(getpid());
print("\n");
if (val != 100)
{
print(" [Child] Data corruption!\n");
exit(1);
}
val = 200;
print(" [Child] Modified val to 200. Exiting.\n");
exit(0);
}
else
{
print(" [Parent] Waiting for child...\n");
int child_pid = wait(0);
print(" [Parent] Child ");
print_int(child_pid);
print(" exited.\n");
print(" [Parent] Check val (Expect 100): ");
print_int(val);
if (val == 100)
pass();
else
{
print(" [Parent] Memory Isolation Failed! Val=");
print_int(val);
fail();
}
}
print("\n=== All Tests Passed ===\n");
while (1)
;
return 0;
}
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