From: YongHao Hu <christopherwuy@gmail.com>
Subject: [3/4] msvcp120/tests: Add file_size test.
Message-Id: <55084B3F.4050203@gmail.com>
Date: Tue, 17 Mar 2015 23:41:51 +0800

---
  dlls/msvcp120/tests/msvcp120.c | 66 
++++++++++++++++++++++++++++++++++++++++++
  1 file changed, 66 insertions(+)

diff --git a/dlls/msvcp120/tests/msvcp120.c b/dlls/msvcp120/tests/msvcp120.c
index e51f0a9..645e10d 100644
--- a/dlls/msvcp120/tests/msvcp120.c
+++ b/dlls/msvcp120/tests/msvcp120.c
@@ -16,6 +16,9 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include <stdio.h>
+#include <direct.h>
+
 #include "wine/test.h"
 #include "winbase.h"
 
@@ -30,6 +33,9 @@ typedef struct {
 static MSVCRT_long (__cdecl *p__Xtime_diff_to_millis2)(const xtime*, const xtime*);
 static int (__cdecl *p_xtime_get)(xtime*, int);
 
+/* filesystem */
+static unsigned long long (*__cdecl p_tr2_sys_file_size)(char const*);
+
 static HMODULE msvcp;
 #define SETNOFAIL(x,y) x = (void*)GetProcAddress(msvcp,y)
 #define SET(x,y) do { SETNOFAIL(x,y); ok(x != NULL, "Export '%s' not found\n", y); } while(0)
@@ -47,17 +53,26 @@ static BOOL init(void)
                 "_Xtime_diff_to_millis2");
         SET(p_xtime_get,
                 "xtime_get");
+
+        SET(p_tr2_sys_file_size,
+                "?_File_size@sys@tr2@std@@YA_KPEBD@Z");
     } else {
 #ifdef __arm__
         SET(p__Xtime_diff_to_millis2,
                 "_Xtime_diff_to_millis2");
         SET(p_xtime_get,
                 "xtime_get");
+
+        SET(p_tr2_sys_file_size,
+                "?_File_size@sys@tr2@std@@YA_KPBD@Z");
 #else
         SET(p__Xtime_diff_to_millis2,
                 "_Xtime_diff_to_millis2");
         SET(p_xtime_get,
                 "xtime_get");
+
+        SET(p_tr2_sys_file_size,
+                "?_File_size@sys@tr2@std@@YA_KPBD@Z");
 #endif
     }
 
@@ -148,11 +163,62 @@ static void test_xtime_get(void)
             "xtime_get() should have modified the xtime struct with the given option\n");
 }
 
+/* create a directory tree that can be used by subsequent tests
+ * ├── dir
+ * │   ├── d1
+ * │   │   └── d1f1     an empty file
+ * │   ├── f0           an empty file
+ * │   └── f1           a file containing "file f1"
+ */
+static void create_tree(void)
+{
+    FILE *file;
+    mkdir("dir");
+    mkdir("dir/d1");
+    file = fopen("dir/d1/d1f1", "wt");
+    fprintf(file, "");
+    fclose(file);
+
+    file = fopen("dir/f0", "wt");
+    fprintf(file, "");
+    fclose(file);
+
+    file = fopen("dir/f1", "wt");
+    fprintf(file, "file f1");
+    fclose(file);
+}
+
+static void test_tr2_sys_file_size(void)
+{
+    unsigned long long val;
+    val = p_tr2_sys_file_size("dir/d1/d1f1");
+    ok(val==0, "test fail: file_size is %llu\n", val);
+
+    val = p_tr2_sys_file_size("dir/f0");
+    ok(val==0, "test fail: file_size is %llu\n", val);
+
+    val = p_tr2_sys_file_size("dir/f1");
+    ok(val==7, "test fail: file_size is %llu\n", val);
+}
+
+static void remove_tree(void)
+{
+    unlink("dir/f0");
+    unlink("dir/f1");
+    unlink("dir/d1/d1f1");
+    rmdir("dir/d1");
+    rmdir("dir");
+}
+
 START_TEST(msvcp120)
 {
     if(!init()) return;
     test__Xtime_diff_to_millis2();
     test_xtime_get();
 
+    create_tree();
+    test_tr2_sys_file_size();
+    remove_tree();
+
     FreeLibrary(msvcp);
 }