d3dx10/tests: Introduce create_file() and delete_file().

dlls/d3dx10_43/tests/d3dx10.c

@@ -540,6 +540,8 @@ test_image[] =
     },
 };
 
+static WCHAR temp_dir[MAX_PATH];
+
 static BOOL compare_float(float f, float g, unsigned int ulps)
 {
     int x = *(int *)&f;
@@ -556,6 +558,43 @@ static BOOL compare_float(float f, float g, unsigned int ulps)
     return TRUE;
 }
 
+static BOOL create_file(const WCHAR *filename, const void *data, unsigned int size, WCHAR *out_path)
+{
+    WCHAR path[MAX_PATH];
+    DWORD written;
+    HANDLE file;
+
+    if (!temp_dir[0])
+        GetTempPathW(ARRAY_SIZE(temp_dir), temp_dir);
+    lstrcpyW(path, temp_dir);
+    lstrcatW(path, filename);
+
+    file = CreateFileW(path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
+    if (file == INVALID_HANDLE_VALUE)
+        return FALSE;
+
+    if (WriteFile(file, data, size, &written, NULL))
+    {
+        CloseHandle(file);
+
+        if (out_path)
+            lstrcpyW(out_path, path);
+        return TRUE;
+    }
+
+    CloseHandle(file);
+    return FALSE;
+}
+
+static BOOL delete_file(const WCHAR *filename)
+{
+    WCHAR path[MAX_PATH];
+
+    lstrcpyW(path, temp_dir);
+    lstrcatW(path, filename);
+    return DeleteFileW(path);
+}
+
 static ID3D10Device *create_device(void)
 {
     ID3D10Device *device;
@@ -1168,28 +1207,9 @@ static void test_D3DX10CreateAsyncMemoryLoader(void)
     ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
 }
 
-static void create_testfile(WCHAR *path, const void *data, int data_len)
-{
-    static const WCHAR test_filename[] = {'a','s','y','n','c','l','o','a','d','e','r','.','d','a','t','a',0};
-    DWORD written;
-    HANDLE file;
-    BOOL ret;
-
-    GetTempPathW(MAX_PATH, path);
-    lstrcatW(path, test_filename);
-
-    file = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
-    ok(file != INVALID_HANDLE_VALUE, "Test file creation failed, at %s, error %d.\n", wine_dbgstr_w(path),
-        GetLastError());
-
-    ret = WriteFile(file, data, data_len, &written, NULL);
-    ok(ret, "Write to test file failed.\n");
-
-    CloseHandle(file);
-}
-
 static void test_D3DX10CreateAsyncFileLoader(void)
 {
+    static const WCHAR test_filename[] = L"asyncloader.data";
     static const char test_data1[] = "test data";
     static const char test_data2[] = "more test data";
     ID3DX10DataLoader *loader;
@@ -1221,12 +1241,12 @@ static void test_D3DX10CreateAsyncFileLoader(void)
     ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
 
     /* Test file sharing using dummy empty file. */
-    create_testfile(path, test_data1, sizeof(test_data1));
+    create_file(test_filename, test_data1, sizeof(test_data1), path);
 
     hr = D3DX10CreateAsyncFileLoaderW(path, &loader);
     ok(SUCCEEDED(hr), "Failed to create file loader, hr %#x.\n", hr);
 
-    ret = DeleteFileW(path);
+    ret = delete_file(test_filename);
     ok(ret, "DeleteFile() failed, ret %d, error %d.\n", ret, GetLastError());
 
     /* File was removed before Load(). */
@@ -1234,7 +1254,7 @@ static void test_D3DX10CreateAsyncFileLoader(void)
     ok(hr == D3D10_ERROR_FILE_NOT_FOUND, "Load() returned unexpected result, hr %#x.\n", hr);
 
     /* Create it again. */
-    create_testfile(path, test_data1, sizeof(test_data1));
+    create_file(test_filename, test_data1, sizeof(test_data1), NULL);
     hr = ID3DX10DataLoader_Load(loader);
     ok(SUCCEEDED(hr), "Load() failed, hr %#x.\n", hr);
 
@@ -1242,7 +1262,7 @@ static void test_D3DX10CreateAsyncFileLoader(void)
     hr = ID3DX10DataLoader_Load(loader);
     ok(SUCCEEDED(hr), "Load() failed, hr %#x.\n", hr);
 
-    ret = DeleteFileW(path);
+    ret = delete_file(test_filename);
     ok(ret, "DeleteFile() failed, ret %d, error %d.\n", ret, GetLastError());
 
     /* Already loaded, file removed. */
@@ -1259,7 +1279,7 @@ static void test_D3DX10CreateAsyncFileLoader(void)
         ok(!memcmp(ptr, test_data1, size), "Got unexpected file data.\n");
 
     /* Create it again, with different data. */
-    create_testfile(path, test_data2, sizeof(test_data2));
+    create_file(test_filename, test_data2, sizeof(test_data2), NULL);
 
     hr = ID3DX10DataLoader_Load(loader);
     ok(SUCCEEDED(hr), "Load() failed, hr %#x.\n", hr);
@@ -1275,7 +1295,7 @@ static void test_D3DX10CreateAsyncFileLoader(void)
     hr = ID3DX10DataLoader_Destroy(loader);
     ok(SUCCEEDED(hr), "Destroy() failed, hr %#x.\n", hr);
 
-    ret = DeleteFileW(path);
+    ret = delete_file(test_filename);
     ok(ret, "DeleteFile() failed, ret %d, error %d.\n", ret, GetLastError());
 }