New unit tests for _hread, _hwrite, _lclose

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Three simple unit tests for 16 bit file functions.
Comments dearly appreciated.

License: LGPL
ChangeLog: created

----------------------------------------

? kernel.spec.c
? patch.diff
? tests/file.c
? tests/file.ok
--- /dev/null	Sun Mar 24 23:06:01 2002
+++ tests/file.c	Sun Apr 28 20:27:43 2002
@@ -0,0 +1,184 @@
+/*
+ * Unit tests for file functions
+ *
+ * Copyright 2002 Jakob Eriksson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "winbase.h"
+#include "winerror.h"
+#include "wine/test.h"
+
+#include <stdlib.h>
+#include <time.h>
+
+
+LPCSTR filename = "testfile.xxx";
+LPCSTR sillytext =
+"en larvig liten text dx \033 gx hej 84 hej 4484 ! \001\033 bla bl\na.. bla bla."
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"1234 43 4kljf lf &%%%&&&&&& 34 4 34   3############# 33 3 3 3 # 3## 3"
+"sdlkfjasdlkfj a dslkj adsklf  \n  \nasdklf askldfa sdlkf \nsadklf asdklf asdf ";
+
+static void test__hread( void )
+{
+    HFILE filehandle;
+    char buffer[10000];
+    long bytes_read;
+    UINT bytes_wanted;
+    UINT i;
+
+    filehandle = _lcreat( filename, 0 );
+
+    ok( HFILE_ERROR != filehandle, "_lcreat complains." );
+
+    ok( HFILE_ERROR != _hwrite( filehandle, sillytext, strlen( sillytext ) ), "_hwrite complains." );
+
+    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains." );
+
+    filehandle = _lopen( filename, OF_READ );
+    
+    bytes_read = _hread( filehandle, buffer, 2 * strlen( sillytext ) );
+    
+    ok( strlen( sillytext ) == bytes_read, "file read size error." );
+
+    for (bytes_wanted = 0; bytes_wanted < strlen( sillytext ); bytes_wanted++)
+    {
+        ok( 0 == _llseek( filehandle, 0, FILE_BEGIN ), "_llseek complains." );
+        ok( _hread( filehandle, buffer, bytes_wanted ) == bytes_wanted, "erratic _hread return value." );
+        for (i = 0; i < bytes_wanted; i++)
+        {
+            ok( buffer[i] == sillytext[i], "that's not what's written." );
+        }
+    }
+
+    ok( HFILE_ERROR != _lclose( filehandle ), "_lclose complains." );
+
+    ok( DeleteFileA( filename ) != 0, "DeleteFile complains." );
+}
+
+static void test__hwrite( void )
+{
+    HFILE filehandle;
+    char buffer[10000];
+    long bytes_read;
+    UINT bytes_written;
+    UINT blocks;
+    UINT i;
+    char *contents;
+    HLOCAL memory_object;
+    char checksum[1];
+
+    filehandle = _lcreat( filename, 0 );
+
+    ok( HFILE_ERROR != filehandle, "_lcreat complains." );
+
+    ok( HFILE_ERROR != _hwrite( filehandle, "", 0 ), "_hwrite complains." );
+
+    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains." );
+
+    filehandle = _lopen( filename, OF_READ );
+    
+    bytes_read = _hread( filehandle, buffer, 1);
+
+    ok( 0 == bytes_read, "file read size error." );
+
+    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains." );
+
+    filehandle = _lopen( filename, OF_READWRITE );
+
+    bytes_written = 0;
+    checksum[0] = '\0';
+    srand( (unsigned)time( NULL ) );
+    for (blocks = 0; blocks < 100; blocks++)
+    {
+        for (i = 0; i < sizeof( buffer ); i++)
+        {
+            buffer[i] = rand(  );
+            checksum[0] = checksum[0] + buffer[i];
+        }
+        ok( HFILE_ERROR != _hwrite( filehandle, buffer, sizeof( buffer ) ), "_hwrite complains." );
+        bytes_written = bytes_written + sizeof( buffer );
+    }
+
+    ok( HFILE_ERROR != _hwrite( filehandle, checksum, 1 ), "_hwrite complains." );
+    bytes_written++;
+
+    ok( HFILE_ERROR != _lclose( filehandle ), "_lclose complains." );
+
+    memory_object = LocalAlloc( LPTR, bytes_written );
+
+    ok( 0 != memory_object, "LocalAlloc fails. (Could be out of memory.)" );
+
+    contents = LocalLock( memory_object );
+
+    filehandle = _lopen( filename, OF_READ );
+
+    contents = LocalLock( memory_object );
+
+    ok( NULL != contents, "LocalLock whines." );
+
+    ok( bytes_written == _hread( filehandle, contents, bytes_written), "read length differ from write length." );
+
+    checksum[0] = '\0';
+    i = 0;
+    do
+    {
+        checksum[0] = checksum[0] + contents[i];
+        i++;
+    }
+    while (i < bytes_written - 1);
+
+    ok( checksum[0] == contents[i], "stored checksum differ from computed checksum." );
+    return;
+    
+    ok( HFILE_ERROR != _lclose( filehandle ), "_lclose complains." );
+
+    ok( DeleteFileA( filename ) != 0, "DeleteFile complains." );
+}
+
+static void test__lclose( void )
+{
+    HFILE filehandle;
+
+    filehandle = _lcreat( filename, 0 );
+
+    ok( HFILE_ERROR != filehandle, "_lcreat complains." );
+
+    ok( HFILE_ERROR != _hwrite( filehandle, sillytext, strlen( sillytext ) ), "_hwrite complains." );
+
+    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains." );
+
+    ok( HFILE_ERROR == _lclose(filehandle), "_lclose should whine about this." );
+
+    ok( HFILE_ERROR == _lclose(filehandle), "_lclose should whine about this." );
+
+    ok( DeleteFileA( filename ) != 0, "DeleteFile complains." );
+}
+
+
+START_TEST(file)
+{
+    test__hread(  );
+    test__hwrite(  );
+    test__lclose(  );
+}



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