[PATCH 1/4] ntdll/tests: Add more tests for printf format specifiers.

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 dlls/ntdll/tests/string.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/tests/string.c b/dlls/ntdll/tests/string.c
index 12027e88999..d771b0f1932 100644
--- a/dlls/ntdll/tests/string.c
+++ b/dlls/ntdll/tests/string.c
@@ -1349,7 +1349,32 @@ static void test__snprintf(void)
     memset(buffer, 0x7c, sizeof(buffer));
     res = p__snprintf(buffer, 3, "test");
     ok(res == -1, "res = %d\n", res);
- }
+
+    res = p__snprintf(buffer, sizeof(buffer), "%I64x %d", (ULONGLONG)0x1234567890, 1);
+    ok(res == strlen(buffer), "wrong size %d\n", res);
+    ok(!strcmp(buffer, "1234567890 1"), "got %s\n", debugstr_a(buffer));
+
+    res = p__snprintf(buffer, sizeof(buffer), "%I32x %d", 0x123456, 1);
+    ok(res == strlen(buffer), "wrong size %d\n", res);
+    ok(!strcmp(buffer, "123456 1"), "got %s\n", debugstr_a(buffer));
+
+    if (sizeof(void *) == 8)
+    {
+        res = p__snprintf(buffer, sizeof(buffer), "%Ix %d", (ULONG_PTR)0x1234567890, 1);
+        ok(res == strlen(buffer), "wrong size %d\n", res);
+        todo_wine ok(!strcmp(buffer, "1234567890 1"), "got %s\n", debugstr_a(buffer));
+    }
+    else
+    {
+        res = p__snprintf(buffer, sizeof(buffer), "%Ix %d", (ULONG_PTR)0x123456, 1);
+        ok(res == strlen(buffer), "wrong size %d\n", res);
+        ok(!strcmp(buffer, "123456 1"), "got %s\n", debugstr_a(buffer));
+    }
+
+    res = p__snprintf(buffer, sizeof(buffer), "%llx %d", (ULONGLONG)0x1234567890, 1);
+    ok(res == strlen(buffer), "wrong size %d\n", res);
+    todo_wine ok(!strcmp(buffer, "1234567890 1"), "got %s\n", debugstr_a(buffer));
+}

static void test__snprintf_s(void)
 {