Testing++

Removal of useless code

Author: henricasanova

src/Partition.cpp

@@ -117,11 +117,11 @@ namespace simgrid::fsmod {
             auto src_size = src_metadata->get_current_size();
             auto dst_size = dst_metadata->get_current_size();
 
-            if (dst_size < src_size) {
-                if (src_size - dst_size > this->get_free_space()) {
-                    this->create_space(src_size - dst_size);
-                }
-            }
+//            if (dst_size < src_size) {
+//                if (src_size - dst_size > this->get_free_space()) {
+//                    this->create_space(src_size - dst_size);
+//                }
+//            }
 
             // Update free space
             if (dst_size < src_size) {

test/file_system_test.cpp

@@ -187,12 +187,23 @@ TEST_F(FileSystemTest, FileMove)  {
             ASSERT_NO_THROW(fs_->create_file("/dev/a/stuff.txt", "20kB"));
             ASSERT_DOUBLE_EQ(fs_->partition_by_name("/dev/a/")->get_free_space(), 70*1000);
 
+            // Moving a smaller file to a bigger file (saves space)
             XBT_INFO("Move file /dev/a/b/c/foo.txt to /dev/a/stuff.txt");
             ASSERT_NO_THROW(fs_->move_file("/dev/a/b/c/foo.txt", "/dev/a/stuff.txt"));
             ASSERT_FALSE(fs_->file_exists("/dev/a/b/c/foo.txt"));
             ASSERT_TRUE(fs_->file_exists("/dev/a/stuff.txt"));
             ASSERT_DOUBLE_EQ(fs_->partition_by_name("/dev/a/")->get_free_space(), 80*1000);
 
+            // Moving a bigger file to a smaller file (takes space)
+            XBT_INFO("Create a 20kB file at /dev/a/big.txt");
+            ASSERT_NO_THROW(fs_->create_file("/dev/a/big.txt", "20kB"));
+            ASSERT_DOUBLE_EQ(fs_->partition_by_name("/dev/a/")->get_free_space(), 60*1000);
+            XBT_INFO("Move file /dev/a/stuff.txt to /dev/a/big.txt");
+            ASSERT_NO_THROW(fs_->move_file("/dev/a/stuff.txt", "/dev/a/big.txt"));
+            ASSERT_FALSE(fs_->file_exists("/dev/a/stuff.txt"));
+            ASSERT_TRUE(fs_->file_exists("/dev/a/big.txt"));
+            ASSERT_DOUBLE_EQ(fs_->partition_by_name("/dev/a/")->get_free_space(), 70*1000);
+
             auto ods = sgfs::OneDiskStorage::create("my_storage", disk_two_);
             XBT_INFO("Mount a new partition");
             ASSERT_NO_THROW(fs_->mount_partition("/dev/b/", ods, "100kB"));