first commit

test/fuzz_parse_ipv4.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+#include "test_utils.hpp"
+#include "../src/netutils.hpp"
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+extern "C" 
+int LLVMFuzzerTestOneInput(const char *data, 
+                           size_t size) 
+{
+    IPv4 ip;
+    bool ok = ip.parse(data, size);
+
+    char buf[256];
+    if (size < sizeof(buf)) {
+        memcpy(buf, data, size);
+        buf[size] = '\0';
+        struct in_addr buf2;
+        switch (inet_pton(AF_INET, buf, &buf2)) {
+            
+            case 1: 
+            test(ok); 
+            test(ip.data == buf2.s_addr);
+            break;
+
+            case 0:
+            case -1:
+            test(!ok);
+            break;
+        }
+    }
+    return 0;  // Values other than 0 and -1 are reserved for future use.
+}

test/fuzz_parse_ipv6.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+#include "test_utils.hpp"
+#include "../src/netutils.hpp"
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+extern "C" 
+int LLVMFuzzerTestOneInput(const char *data, 
+                           size_t size) 
+{
+    IPv6 ip;
+    bool ok = ip.parse(data, size);
+
+    char buf[512];
+    if (size < sizeof(buf)) {
+        memcpy(buf, data, size);
+        buf[size] = '\0';
+        struct in6_addr buf2;
+        switch (inet_pton(AF_INET6, buf, &buf2)) {
+            
+            case 1: 
+            test(ok); 
+            test(!memcmp(&ip.data, &buf2, 16));
+            break;
+
+            case 0: 
+            case -1:
+            test(!ok);
+            break;
+        }
+
+    }
+    return 0;  // Values other than 0 and -1 are reserved for future use.
+}

test/test_parse_ipv4.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+#include "test_utils.hpp"
+#include "../src/netutils.hpp"
+
+int main()
+{
+    IPv4 ip;
+    test(ip.parse("") == false);
+    test(ip.parse("@") == false);
+    test(ip.parse("1") == false);
+    test(ip.parse("500") == false);
+    test(ip.parse("45.") == false);
+    test(ip.parse("45.54.56.98") == true);
+    std::cout << "Passed\n";
+    return 0;
+}

test/test_queue.cpp

@@ -0,0 +1,109 @@
+#include <cstdlib>
+#include <iostream>
+#include "test_utils.hpp"
+#include "../src/queue.hpp"
+
+int main()
+{
+    {
+        Queue<int, 0> q;
+        test(q.push(10) == false);
+        test(q.size() == 0);
+        test(q.empty() == true);
+        test(q.pop() == false);
+    }
+
+    {
+        Queue<int, 1> q;
+        test(q.size() == 0);
+        test(q.empty() == true);
+        test(q.push(10) == true);
+        test(q.size() == 1);
+        test(q.empty() == false);
+        test(q.push(4) == false);
+        test(q.size() == 1);
+        test(q.empty() == false);
+        test(q.pop() == true);
+        test(q.pop() == false);
+    }
+
+    {
+        Queue<int, 4> q;
+
+        test(q.push(1) == true); 
+        test(q.size() == 1);
+        
+        test(q.push(2) == true); 
+        test(q.size() == 2);
+
+        test(q.push(3) == true); 
+        test(q.size() == 3);
+        
+        test(q.push(4) == true);
+        test(q.size() == 4);
+
+        int x;
+
+        test(q.pop(x) == true);
+        test(x == 1);
+        test(q.size() == 3);
+
+        test(q.push(5) == true);
+        test(q.size() == 4);
+
+        test(q.pop(x) == true);
+        test(x == 2);
+        test(q.size() == 3);
+
+        test(q.push(6) == true);
+        test(q.size() == 4);
+        
+        test(q.pop(x) == true);
+        test(x == 3);
+        test(q.size() == 3);
+
+        test(q.push(7) == true);
+        test(q.size() == 4);
+
+        test(q.pop(x) == true);
+        test(x == 4);
+        test(q.size() == 3);
+
+        test(q.push(8) == true);
+        test(q.size() == 4);
+
+        test(q.pop(x) == true);
+        test(x == 5);
+        test(q.size() == 3);
+
+        test(q.push(9) == true);
+        test(q.size() == 4);
+
+        test(q.pop(x) == true);
+        test(x == 6);
+        test(q.size() == 3);
+
+        test(q.push(10) == true);
+        test(q.size() == 4);
+
+        test(q.pop(x) == true);
+        test(x == 7);
+        test(q.size() == 3);
+
+        test(q.pop(x) == true);
+        test(x == 8);
+        test(q.size() == 2);
+
+        test(q.pop(x) == true);
+        test(x == 9);
+        test(q.size() == 1);
+
+        test(q.pop(x) == true);
+        test(x == 10);
+        test(q.size() == 0);
+
+        test(q.pop(x) == false);
+    }
+
+    std::cout << "Passed\n";
+}

test/test_utils.cpp

@@ -0,0 +1,10 @@
+#include <cstdlib>
+#include <iostream>
+
+void test_(bool expr, const char *text, const char *file, int line)
+{
+    if (!expr) {
+        std::cout << "Failure in " << file << ":" << line << " [" << text << "]\n";
+        abort();
+    }
+}

test/test_utils.hpp

@@ -0,0 +1,3 @@
+
+void test_(bool expr, const char *text, const char *file, int line);
+#define test(expr) test_(expr, #expr, __FILE__, __LINE__)