[NTDLL_WINETEST] Add tests for RtlIpv6AddressToString(Ex) by Mark Jansen.

svn path=/trunk/; revision=67079

diff --git a/rostests/winetests/ntdll/rtl.c b/rostests/winetests/ntdll/rtl.c
index a4c0634..a632865 100755 (executable)
--- a/rostests/winetests/ntdll/rtl.c
+++ b/rostests/winetests/ntdll/rtl.c
@@ -93,6 +93,8 @@ static CHAR *    (WINAPI *pRtlIpv4AddressToStringA)(const IN_ADDR *, LPSTR);
 static NTSTATUS  (WINAPI *pRtlIpv4AddressToStringExA)(const IN_ADDR *, USHORT, LPSTR, PULONG);
 static NTSTATUS  (WINAPI *pRtlIpv4StringToAddressA)(PCSTR, BOOLEAN, PCSTR *, IN_ADDR *);
 static NTSTATUS  (WINAPI *pRtlIpv4StringToAddressExA)(PCSTR, BOOLEAN, IN_ADDR *, PUSHORT);
+static CHAR *    (WINAPI *pRtlIpv6AddressToStringA)(struct in6_addr *, PSTR);
+static NTSTATUS  (WINAPI *pRtlIpv6AddressToStringExA)(struct in6_addr *, ULONG, USHORT, PCHAR, PULONG);
 static NTSTATUS  (WINAPI *pRtlIpv6StringToAddressA)(PCSTR, PCSTR *, struct in6_addr *);
 static NTSTATUS  (WINAPI *pRtlIpv6StringToAddressW)(PCWSTR, PCWSTR *, struct in6_addr *);
 static NTSTATUS  (WINAPI *pRtlIpv6StringToAddressExA)(PCSTR, struct in6_addr *, PULONG, PUSHORT);
@@ -152,6 +154,8 @@ static void InitFunctionPtrs(void)
         pRtlIpv4AddressToStringExA = (void *)GetProcAddress(hntdll, "RtlIpv4AddressToStringExA");
         pRtlIpv4StringToAddressA = (void *)GetProcAddress(hntdll, "RtlIpv4StringToAddressA");
         pRtlIpv4StringToAddressExA = (void *)GetProcAddress(hntdll, "RtlIpv4StringToAddressExA");
+        pRtlIpv6AddressToStringA = (void *)GetProcAddress(hntdll, "RtlIpv6AddressToStringA");
+        pRtlIpv6AddressToStringExA = (void *)GetProcAddress(hntdll, "RtlIpv6AddressToStringExA");
         pRtlIpv6StringToAddressA = (void *)GetProcAddress(hntdll, "RtlIpv6StringToAddressA");
         pRtlIpv6StringToAddressW = (void *)GetProcAddress(hntdll, "RtlIpv6StringToAddressW");
         pRtlIpv6StringToAddressExA = (void *)GetProcAddress(hntdll, "RtlIpv6StringToAddressExA");
@@ -1968,6 +1972,246 @@ static void init_ip6(IN6_ADDR* addr, const int src[8])
     }
 }
 
+static void test_RtlIpv6AddressToString(void)
+{
+    CHAR buffer[50];
+    LPCSTR result;
+    IN6_ADDR ip;
+    DWORD_PTR len;
+    struct
+    {
+        PCSTR address;
+        int ip[8];
+    } tests[] =
+    {
+        /* ipv4 addresses & ISATAP addresses */
+        { "::13.1.68.3",                                { 0, 0, 0, 0, 0, 0, 0x10d, 0x344 } },
+        { "::ffff:13.1.68.3",                           { 0, 0, 0, 0, 0, 0xffff, 0x10d, 0x344 } },
+        { "::feff:d01:4403",                            { 0, 0, 0, 0, 0, 0xfffe, 0x10d, 0x344 } },
+        { "::fffe:d01:4403",                            { 0, 0, 0, 0, 0, 0xfeff, 0x10d, 0x344 } },
+        { "::100:d01:4403",                             { 0, 0, 0, 0, 0, 1, 0x10d, 0x344 } },
+        { "::1:d01:4403",                               { 0, 0, 0, 0, 0, 0x100, 0x10d, 0x344 } },
+        { "::ffff:0:4403",                              { 0, 0, 0, 0, 0, 0xffff, 0, 0x344 } },
+        { "::ffff:13.1.0.0",                            { 0, 0, 0, 0, 0, 0xffff, 0x10d, 0 } },
+        { "::ffff:0:0",                                 { 0, 0, 0, 0, 0, 0xffff, 0, 0 } },
+        { "::ffff:0:13.1.68.3",                         { 0, 0, 0, 0, 0xffff, 0, 0x10d, 0x344 } },
+        { "::ffff:ffff:d01:4403",                       { 0, 0, 0, 0, 0xffff, 0xffff, 0x10d, 0x344 } },
+        { "::ffff:0:0:d01:4403",                        { 0, 0, 0, 0xffff, 0, 0, 0x10d, 0x344 } },
+        { "::ffff:255.255.255.255",                     { 0, 0, 0, 0, 0, 0xffff, 0xffff, 0xffff } },
+        { "::ffff:129.144.52.38",                       { 0, 0, 0, 0, 0, 0xffff, 0x9081, 0x2634 } },
+        { "::5efe:129.144.52.38",                       { 0, 0, 0, 0, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "1111:2222:3333:4444:0:5efe:129.144.52.38",   { 0x1111, 0x2222, 0x3333, 0x4444, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "1111:2222:3333::5efe:129.144.52.38",         { 0x1111, 0x2222, 0x3333, 0, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "1111:2222::5efe:129.144.52.38",              { 0x1111, 0x2222, 0, 0, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "1111::5efe:129.144.52.38",                   { 0x1111, 0, 0, 0, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "::200:5efe:129.144.52.38",                   { 0, 0, 0, 0, 2, 0xfe5e, 0x9081, 0x2634 } },
+        { "::100:5efe:8190:3426",                       { 0, 0, 0, 0, 1, 0xfe5e, 0x9081, 0x2634 } },
+        /* 'normal' addresses */
+        { "::1",                                        { 0, 0, 0, 0, 0, 0, 0, 0x100 } },
+        { "0:1:2:3:4:5:6:7",                            { 0, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700 } },
+        { "1080::8:800:200c:417a",                      { 0x8010, 0, 0, 0, 0x800, 0x8, 0x0c20, 0x7a41 } },
+        { "1111:2222:3333:4444:5555:6666:7b7b:7b7b",    { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "1111:2222:3333:4444:5555:6666:7777:8888",    { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7777, 0x8888 } },
+        { "1111:2222:3333:4444:5555:6666::",            { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0, 0 } },
+        { "1111:2222:3333:4444:5555:6666:0:8888",       { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0, 0x8888 } },
+        { "1111:2222:3333:4444:5555::",                 { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0, 0, 0 } },
+        { "1111:2222:3333:4444:5555:0:7b7b:7b7b",       { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0, 0x7b7b, 0x7b7b } },
+        { "1111:2222:3333:4444:5555:0:7777:8888",       { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0, 0x7777, 0x8888 } },
+        { "1111:2222:3333:4444:5555::8888",             { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0, 0, 0x8888 } },
+        { "1111::",                                     { 0x1111, 0, 0, 0, 0, 0, 0, 0 } },
+        { "1111::7b7b:7b7b",                            { 0x1111, 0, 0, 0, 0, 0, 0x7b7b, 0x7b7b } },
+        { "1111:0:3333:4444:5555:6666:7b7b:7b7b",       { 0x1111, 0, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "1111:0:3333:4444:5555:6666:7777:8888",       { 0x1111, 0, 0x3333, 0x4444, 0x5555, 0x6666, 0x7777, 0x8888 } },
+        { "1111::4444:5555:6666:7b7b:7b7b",             { 0x1111, 0, 0, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "1111::4444:5555:6666:7777:8888",             { 0x1111, 0, 0, 0x4444, 0x5555, 0x6666, 0x7777, 0x8888 } },
+        { "1111::5555:6666:7b7b:7b7b",                  { 0x1111, 0, 0, 0, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "1111::5555:6666:7777:8888",                  { 0x1111, 0, 0, 0, 0x5555, 0x6666, 0x7777, 0x8888 } },
+        { "1111::6666:7b7b:7b7b",                       { 0x1111, 0, 0, 0, 0, 0x6666, 0x7b7b, 0x7b7b } },
+        { "1111::6666:7777:8888",                       { 0x1111, 0, 0, 0, 0, 0x6666, 0x7777, 0x8888 } },
+        { "1111::7777:8888",                            { 0x1111, 0, 0, 0, 0, 0, 0x7777, 0x8888 } },
+        { "1111::8888",                                 { 0x1111, 0, 0, 0, 0, 0, 0, 0x8888 } },
+        { "1:2:3:4:5:6:102:304",                        { 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x201, 0x403 } },
+        { "1:2:3:4:5:6:7:8",                            { 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700, 0x800 } },
+        { "1:2:3:4:5:6::",                              { 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0, 0 } },
+        { "1:2:3:4:5:6:0:8",                            { 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0, 0x800 } },
+        { "2001:0:1234::c1c0:abcd:876",                 { 0x120, 0, 0x3412, 0, 0, 0xc0c1, 0xcdab, 0x7608 } },
+        { "2001:0:4136:e378:8000:63bf:3fff:fdd2",       { 0x120, 0, 0x3641, 0x78e3, 0x80, 0xbf63, 0xff3f, 0xd2fd } },
+        { "2001:db8::1428:57ab",                        { 0x120, 0xb80d, 0, 0, 0, 0, 0x2814, 0xab57 } },
+        { "2001:db8:1234:ffff:ffff:ffff:ffff:ffff",     { 0x120, 0xb80d, 0x3412, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff } },
+        { "2001:0:ce49:7601:2cad:dfff:7c94:fffe",       { 0x120, 0, 0x49ce, 0x176, 0xad2c, 0xffdf, 0x947c, 0xfeff } },
+        { "2001:db8:85a3::8a2e:370:7334",               { 0x120, 0xb80d, 0xa385, 0, 0, 0x2e8a, 0x7003, 0x3473 } },
+        { "3ffe:b00::1:0:0:a",                          { 0xfe3f, 0xb, 0, 0, 0x100, 0, 0, 0xa00 } },
+        { "::a:b:c:d:e",                                { 0, 0, 0, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00 } },
+        { "::123.123.123.123",                          { 0, 0, 0, 0, 0, 0, 0x7b7b, 0x7b7b } },
+        { "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",    { 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff } },
+        { "1111:2222:3333:4444:5555:6666:7777:1",       { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7777, 0x100 } },
+        { "1111:2222:3333:4444:5555:6666:7777:8888",    { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7777, 0x8888 } },
+        { "1111:2222::",                                { 0x1111, 0x2222, 0, 0, 0, 0, 0, 0 } },
+        { "1111::3333:4444:5555:6666:7777",             { 0x1111, 0, 0, 0x3333, 0x4444, 0x5555, 0x6666, 0x7777 } },
+        { "1111:2222::",                                { 0x1111, 0x2222, 0, 0, 0, 0, 0, 0 } },
+        { "1111::3333",                                 { 0x1111, 0, 0, 0, 0, 0, 0, 0x3333 } },
+        { "2001:0:1234::c1c0:abcd:876",                 { 0x120, 0, 0x3412, 0, 0, 0xc0c1, 0xcdab, 0x7608 } },
+        { "2001::ffd3",                                 { 0x120, 0, 0, 0, 0, 0, 0, 0xd3ff } },
+    };
+    const size_t testcount = sizeof(tests) / sizeof(tests[0]);
+    unsigned int i;
+
+    if (!pRtlIpv6AddressToStringA)
+    {
+        skip("RtlIpv6AddressToStringA not available\n");
+        return;
+    }
+
+    memset(buffer, '#', sizeof(buffer));
+    buffer[sizeof(buffer)-1] = 0;
+    memset(&ip, 0, sizeof(ip));
+    result = pRtlIpv6AddressToStringA(&ip, buffer);
+
+    len = strlen(buffer);
+    ok(result == (buffer + len) && !strcmp(buffer, "::"),
+       "got %p with '%s' (expected %p with '::')\n", result, buffer, buffer + len);
+
+    result = pRtlIpv6AddressToStringA(&ip, NULL);
+    ok(result == (LPCSTR)~0 || broken(result == (LPCSTR)len) /* WinXP / Win2k3 */,
+       "got %p, expected %p\n", result, (LPCSTR)~0);
+
+    for (i = 0; i < testcount; i++)
+    {
+        init_ip6(&ip, tests[i].ip);
+        memset(buffer, '#', sizeof(buffer));
+        buffer[sizeof(buffer)-1] = 0;
+
+        result = pRtlIpv6AddressToStringA(&ip, buffer);
+        len = strlen(buffer);
+        ok(result == (buffer + len) && !strcmp(buffer, tests[i].address),
+           "got %p with '%s' (expected %p with '%s')\n", result, buffer, buffer + len, tests[i].address);
+
+        ok(buffer[45] == 0 || broken(buffer[45] != 0) /* WinXP / Win2k3 */,
+           "expected data at buffer[45] to always be NULL\n");
+        ok(buffer[46] == '#', "expected data at buffer[46] not to change\n");
+    }
+}
+
+static void test_RtlIpv6AddressToStringEx(void)
+{
+    CHAR buffer[70];
+    NTSTATUS res;
+    IN6_ADDR ip;
+    ULONG len;
+    struct
+    {
+        PCSTR address;
+        ULONG scopeid;
+        USHORT port;
+        int ip[8];
+    } tests[] =
+    {
+        /* ipv4 addresses & ISATAP addresses */
+        { "::13.1.68.3",                                                0,          0, { 0, 0, 0, 0, 0, 0, 0x10d, 0x344 } },
+        { "::13.1.68.3%1",                                              1,          0, { 0, 0, 0, 0, 0, 0, 0x10d, 0x344 } },
+        { "::13.1.68.3%4294949819",                                     0xffffbbbb, 0, { 0, 0, 0, 0, 0, 0, 0x10d, 0x344 } },
+        { "[::13.1.68.3%4294949819]:65518",                             0xffffbbbb, 0xeeff, { 0, 0, 0, 0, 0, 0, 0x10d, 0x344 } },
+        { "[::13.1.68.3%4294949819]:256",                               0xffffbbbb, 1, { 0, 0, 0, 0, 0, 0, 0x10d, 0x344 } },
+        { "[::13.1.68.3]:256",                                          0,          1, { 0, 0, 0, 0, 0, 0, 0x10d, 0x344 } },
+
+        { "::1:d01:4403",                                               0,          0, { 0, 0, 0, 0, 0, 0x100, 0x10d, 0x344 } },
+        { "::1:d01:4403%1",                                             1,          0, { 0, 0, 0, 0, 0, 0x100, 0x10d, 0x344 } },
+        { "::1:d01:4403%4294949819",                                    0xffffbbbb, 0, { 0, 0, 0, 0, 0, 0x100, 0x10d, 0x344 } },
+        { "[::1:d01:4403%4294949819]:65518",                            0xffffbbbb, 0xeeff, { 0, 0, 0, 0, 0, 0x100, 0x10d, 0x344 } },
+        { "[::1:d01:4403%4294949819]:256",                              0xffffbbbb, 1, { 0, 0, 0, 0, 0, 0x100, 0x10d, 0x344 } },
+        { "[::1:d01:4403]:256",                                         0,          1, { 0, 0, 0, 0, 0, 0x100, 0x10d, 0x344 } },
+
+        { "1111:2222:3333:4444:0:5efe:129.144.52.38",                   0,          0, { 0x1111, 0x2222, 0x3333, 0x4444, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "1111:2222:3333:4444:0:5efe:129.144.52.38%1",                 1,          0, { 0x1111, 0x2222, 0x3333, 0x4444, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "1111:2222:3333:4444:0:5efe:129.144.52.38%4294949819",        0xffffbbbb, 0, { 0x1111, 0x2222, 0x3333, 0x4444, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "[1111:2222:3333:4444:0:5efe:129.144.52.38%4294949819]:65518",0xffffbbbb, 0xeeff, { 0x1111, 0x2222, 0x3333, 0x4444, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "[1111:2222:3333:4444:0:5efe:129.144.52.38%4294949819]:256",  0xffffbbbb, 1, { 0x1111, 0x2222, 0x3333, 0x4444, 0, 0xfe5e, 0x9081, 0x2634 } },
+        { "[1111:2222:3333:4444:0:5efe:129.144.52.38]:256",             0,          1, { 0x1111, 0x2222, 0x3333, 0x4444, 0, 0xfe5e, 0x9081, 0x2634 } },
+
+        { "::1",                                                        0,          0, { 0, 0, 0, 0, 0, 0, 0, 0x100 } },
+        { "::1%1",                                                      1,          0, { 0, 0, 0, 0, 0, 0, 0, 0x100 } },
+        { "::1%4294949819",                                             0xffffbbbb, 0, { 0, 0, 0, 0, 0, 0, 0, 0x100 } },
+        { "[::1%4294949819]:65518",                                     0xffffbbbb, 0xeeff, { 0, 0, 0, 0, 0, 0, 0, 0x100 } },
+        { "[::1%4294949819]:256",                                       0xffffbbbb, 1, { 0, 0, 0, 0, 0, 0, 0, 0x100 } },
+        { "[::1]:256",                                                  0,          1, { 0, 0, 0, 0, 0, 0, 0, 0x100 } },
+
+        { "1111:2222:3333:4444:5555:6666:7b7b:7b7b",                    0,          0, { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "1111:2222:3333:4444:5555:6666:7b7b:7b7b%1",                  1,          0, { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "1111:2222:3333:4444:5555:6666:7b7b:7b7b%4294949819",         0xffffbbbb, 0, { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "[1111:2222:3333:4444:5555:6666:7b7b:7b7b%4294949819]:65518", 0xffffbbbb, 0xeeff, { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "[1111:2222:3333:4444:5555:6666:7b7b:7b7b%4294949819]:256",   0xffffbbbb, 1, { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+        { "[1111:2222:3333:4444:5555:6666:7b7b:7b7b]:256",              0,          1, { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7b7b, 0x7b7b } },
+
+        { "1111::",                                                     0,          0, { 0x1111, 0, 0, 0, 0, 0, 0, 0 } },
+        { "1111::%1",                                                   1,          0, { 0x1111, 0, 0, 0, 0, 0, 0, 0 } },
+        { "1111::%4294949819",                                          0xffffbbbb, 0, { 0x1111, 0, 0, 0, 0, 0, 0, 0 } },
+        { "[1111::%4294949819]:65518",                                  0xffffbbbb, 0xeeff, { 0x1111, 0, 0, 0, 0, 0, 0, 0 } },
+        { "[1111::%4294949819]:256",                                    0xffffbbbb, 1, { 0x1111, 0, 0, 0, 0, 0, 0, 0 } },
+        { "[1111::]:256",                                               0,          1, { 0x1111, 0, 0, 0, 0, 0, 0, 0 } },
+
+        { "2001::ffd3",                                                 0,          0, { 0x120, 0, 0, 0, 0, 0, 0, 0xd3ff } },
+        { "2001::ffd3%1",                                               1,          0, { 0x120, 0, 0, 0, 0, 0, 0, 0xd3ff } },
+        { "2001::ffd3%4294949819",                                      0xffffbbbb, 0, { 0x120, 0, 0, 0, 0, 0, 0, 0xd3ff } },
+        { "[2001::ffd3%4294949819]:65518",                              0xffffbbbb, 0xeeff, { 0x120, 0, 0, 0, 0, 0, 0, 0xd3ff } },
+        { "[2001::ffd3%4294949819]:256",                                0xffffbbbb, 1, { 0x120, 0, 0, 0, 0, 0, 0, 0xd3ff } },
+        { "[2001::ffd3]:256",                                           0,          1, { 0x120, 0, 0, 0, 0, 0, 0, 0xd3ff } },
+    };
+    const size_t testcount = sizeof(tests) / sizeof(tests[0]);
+    unsigned int i;
+
+    if (!pRtlIpv6AddressToStringExA)
+    {
+        skip("RtlIpv6AddressToStringExA not available\n");
+        return;
+    }
+
+    memset(buffer, '#', sizeof(buffer));
+    buffer[sizeof(buffer)-1] = 0;
+    memset(&ip, 0, sizeof(ip));
+    len = sizeof(buffer);
+    res = pRtlIpv6AddressToStringExA(&ip, 0, 0, buffer, &len);
+
+    ok(res == STATUS_SUCCESS, "[validate] res = 0x%08x, expected STATUS_SUCCESS\n", res);
+    ok(len == 3 && !strcmp(buffer, "::"),
+        "got len %d with '%s' (expected 3 with '::')\n", len, buffer);
+
+    memset(buffer, '#', sizeof(buffer));
+    buffer[sizeof(buffer)-1] = 0;
+
+    len = sizeof(buffer);
+    res = pRtlIpv6AddressToStringExA(NULL, 0, 0, buffer, &len);
+    ok(res == STATUS_INVALID_PARAMETER, "[null ip] res = 0x%08x, expected STATUS_INVALID_PARAMETER\n", res);
+
+    len = sizeof(buffer);
+    res = pRtlIpv6AddressToStringExA(&ip, 0, 0, NULL, &len);
+    ok(res == STATUS_INVALID_PARAMETER, "[null buffer] res = 0x%08x, expected STATUS_INVALID_PARAMETER\n", res);
+
+    res = pRtlIpv6AddressToStringExA(&ip, 0, 0, buffer, NULL);
+    ok(res == STATUS_INVALID_PARAMETER, "[null length] res = 0x%08x, expected STATUS_INVALID_PARAMETER\n", res);
+
+    len = 2;
+    memset(buffer, '#', sizeof(buffer));
+    buffer[sizeof(buffer)-1] = 0;
+    res = pRtlIpv6AddressToStringExA(&ip, 0, 0, buffer, &len);
+    ok(res == STATUS_INVALID_PARAMETER, "[null length] res = 0x%08x, expected STATUS_INVALID_PARAMETER\n", res);
+    ok(buffer[0] == '#', "got first char %c (expected '#')\n", buffer[0]);
+    ok(len == 3, "got len %d (expected len 3)\n", len);
+
+    for (i = 0; i < testcount; i++)
+    {
+        init_ip6(&ip, tests[i].ip);
+        len = sizeof(buffer);
+        memset(buffer, '#', sizeof(buffer));
+        buffer[sizeof(buffer)-1] = 0;
+
+        res = pRtlIpv6AddressToStringExA(&ip, tests[i].scopeid, tests[i].port, buffer, &len);
+
+        ok(res == STATUS_SUCCESS, "[validate] res = 0x%08x, expected STATUS_SUCCESS\n", res);
+        ok(len == (strlen(tests[i].address) + 1) && !strcmp(buffer, tests[i].address),
+           "got len %d with '%s' (expected %d with '%s')\n", len, buffer, strlen(tests[i].address), tests[i].address);
+    }
+}
+
 static void compare_RtlIpv6StringToAddressW(PCSTR name_a, int terminator_offset_a,
                                             const struct in6_addr *addr_a, NTSTATUS res_a)
 {
@@ -3223,6 +3467,8 @@ START_TEST(rtl)
     test_RtlIpv4AddressToStringEx();
     test_RtlIpv4StringToAddress();
     test_RtlIpv4StringToAddressEx();
+    test_RtlIpv6AddressToString();
+    test_RtlIpv6AddressToStringEx();
     test_RtlIpv6StringToAddress();
     test_RtlIpv6StringToAddressEx();
     test_LdrAddRefDll();