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-rw-r--r--src/tests/block_cache.rs154
1 files changed, 126 insertions, 28 deletions
diff --git a/src/tests/block_cache.rs b/src/tests/block_cache.rs
index f1c18cc..bbea3a0 100644
--- a/src/tests/block_cache.rs
+++ b/src/tests/block_cache.rs
@@ -23,7 +23,7 @@ fn test_basic_lru() {
}
#[test]
-fn test_inode() {
+fn test_inode_allocation() {
let mut fs = common::setup();
let inode_index = fs.create_inode(0o755, InodeMode::IFDIR, 0, 0, 0).unwrap();
@@ -31,49 +31,147 @@ fn test_inode() {
const DIRECT_NUMBER: u32 = 15;
const INDIRECT_NUMBER: u32 = 1024;
- const DOUBLE_INDIRECT_NUMBER: u32 = 1024 * 1024;
+ // const DOUBLE_INDIRECT_NUMBER: u32 = 1024 * 1024;
for i in 0..DIRECT_NUMBER {
fs.allocate_block_for(&mut inode).unwrap();
assert!(fs.data_bitmap.query(inode.direct[i as usize] as usize))
}
- for i in 0..INDIRECT_NUMBER {
+ for _i in 0..INDIRECT_NUMBER {
fs.allocate_block_for(&mut inode).unwrap();
}
- for i in 0..DOUBLE_INDIRECT_NUMBER {
+ println!("single indirect is {}", inode.single_indirect);
+ println!("double indirect is {}", inode.double_indirect);
+ println!("triple indirect is {}", inode.triple_indirect);
+
+ let indirect_block = fs
+ .peek_block::<IndirectBlock>(inode.single_indirect as usize)
+ .unwrap();
+ for entry in indirect_block.block.entries {
+ assert_ne!(entry, 0);
+ assert!(fs.data_bitmap.query(entry as usize));
+ }
+
+ assert_eq!(fs.data_bitmap.query(inode.double_indirect as usize), false);
+ assert_eq!(fs.data_bitmap.query(inode.triple_indirect as usize), false);
+
+ for _i in 0..INDIRECT_NUMBER {
fs.allocate_block_for(&mut inode).unwrap();
}
- let single_indirect = inode.single_indirect;
let double_indirect = inode.double_indirect;
- let triple_indirect = inode.triple_indirect;
+ println!("double indirect is {} after allocation", inode.double_indirect);
fs.update_inode(inode_index, inode);
- let indirect_block = fs
- .peek_block::<IndirectBlock>(single_indirect as usize)
- .unwrap();
- for entry in indirect_block.block.entries {
- assert_ne!(entry, 0);
- assert!(fs.data_bitmap.query(entry as usize));
+ assert!(fs.data_bitmap.query(double_indirect as usize));
+}
+
+#[test]
+fn test_inode_deallocation() {
+ let mut fs = common::setup();
+
+ let inode_index = fs.create_inode(0o755, InodeMode::IFDIR, 0, 0, 0).unwrap();
+ let mut inode = fs.get_inode(inode_index).unwrap().clone();
+
+ const DIRECT_NUMBER: u32 = 15;
+ const INDIRECT_NUMBER: u32 = 1024;
+ // const DOUBLE_INDIRECT_NUMBER: u32 = 1024 * 1024;
+
+ for i in 0..DIRECT_NUMBER {
+ println!("Allocated {}", fs.allocate_block_for(&mut inode).unwrap());
+ assert!(fs.data_bitmap.query(inode.direct[i as usize] as usize))
+ }
+
+ for _i in 0..2 * INDIRECT_NUMBER {
+ println!("Allocated {}", fs.allocate_block_for(&mut inode).unwrap());
+ }
+
+ println!("single indirect is {}", inode.single_indirect);
+ println!("double indirect is {}", inode.double_indirect);
+ println!("triple indirect is {}", inode.triple_indirect);
+
+ assert!(fs.data_bitmap.query(inode.double_indirect as usize));
+
+ for i in 0..INDIRECT_NUMBER + 5 {
+ println!("Deallocated {}", fs.deallocate_block_for(&mut inode).unwrap());
}
- // let double_indirect_block = fs
- // .peek_block::<DoubleIndirectBlock>(double_indirect as usize)
- // .unwrap();
- // for indirect_entry in double_indirect_block.block.indirect {
- // let indirect_block = fs
- // .peek_block::<IndirectBlock>(indirect_entry as usize)
- // .unwrap();
- // for entry in indirect_block.block.entries {
- // assert_ne!(entry, 0);
- // assert!(fs.data_bitmap.query(entry as usize));
- // }
- // }
-
- assert_eq!(fs.data_bitmap.query(double_indirect as usize), false);
-
- assert_eq!(fs.data_bitmap.query(triple_indirect as usize), false);
+ println!("single indirect is {}", inode.single_indirect);
+ println!("double indirect is {}", inode.double_indirect);
+ println!("triple indirect is {}", inode.triple_indirect);
+
+ assert_eq!(fs.data_bitmap.query(inode.double_indirect as usize), false);
+
+ fs.update_inode(inode_index, inode);
}
+
+#[test]
+fn test_multiple_inode_allocation() {
+ let mut fs = common::setup();
+
+ let inode_index_1 = fs.create_inode(0o755, InodeMode::IFDIR, 0, 0, 0).unwrap();
+ let inode_index_2 = fs.create_inode(0o755, InodeMode::IFREG, 0, 0, 0).unwrap();
+
+ let mut inode_1 = fs.get_inode(inode_index_1).unwrap().clone();
+ let mut inode_2 = fs.get_inode(inode_index_2).unwrap().clone();
+
+ const DIRECT_NUMBER: u32 = 15;
+ const INDIRECT_NUMBER: u32 = 1024;
+
+ for i in 0 .. DIRECT_NUMBER + INDIRECT_NUMBER {
+ println!("Allcoated {} in inode {}", fs.allocate_block_for(&mut inode_1).unwrap(), inode_index_1);
+ println!("Allcoated {} in inode {}", fs.allocate_block_for(&mut inode_2).unwrap(), inode_index_2);
+ }
+
+ let inode_index_3 = fs.create_inode(0o755, InodeMode::IFDIR, 0, 0, 0).unwrap();
+ let mut inode_3 = fs.get_inode(inode_index_3).unwrap().clone();
+
+ for _i in 0 .. INDIRECT_NUMBER {
+ println!("Deallcoated {} in inode {}", fs.deallocate_block_for(&mut inode_1).unwrap(), inode_index_1);
+ println!("Allcoated {} in inode {}", fs.allocate_block_for(&mut inode_3).unwrap(), inode_index_3);
+ }
+
+ for _i in 0 .. DIRECT_NUMBER {
+ println!("Deallcoated {} in inode {}", fs.deallocate_block_for(&mut inode_1).unwrap(), inode_index_1);
+ }
+
+ assert!(fs.deallocate_block_for(&mut inode_1).is_none());
+
+ println!("single indirect is {} for {}", inode_1.single_indirect, inode_index_1);
+ println!("double indirect is {} for {}", inode_1.double_indirect, inode_index_1);
+ println!("single indirect is {} for {}", inode_2.single_indirect, inode_index_2);
+ println!("double indirect is {} for {}", inode_2.double_indirect, inode_index_2);
+ println!("single indirect is {} for {}", inode_3.single_indirect, inode_index_3);
+ println!("double indirect is {} for {}", inode_3.double_indirect, inode_index_3);
+
+ assert_eq!(fs.data_bitmap.query(inode_1.single_indirect as usize), false);
+ assert!(fs.data_bitmap.query(inode_2.single_indirect as usize));
+ assert_eq!(fs.data_bitmap.query(inode_2.double_indirect as usize), false);
+ assert!(fs.data_bitmap.query(inode_3.single_indirect as usize));
+ assert_eq!(fs.data_bitmap.query(inode_3.double_indirect as usize), false);
+
+ fs.allocate_block_for(&mut inode_2).unwrap();
+ println!("-----------------");
+ println!("double indirect is {} for {}", inode_2.double_indirect, inode_index_2);
+
+ assert!(fs.data_bitmap.query(inode_2.double_indirect as usize));
+
+ for _i in 0 .. DIRECT_NUMBER {
+ fs.allocate_block_for(&mut inode_3).unwrap();
+ }
+ println!("-----------------");
+ println!("double indirect is {} for {}", inode_3.double_indirect, inode_index_3);
+ assert_eq!(fs.data_bitmap.query(inode_3.double_indirect as usize), false);
+
+ fs.allocate_block_for(&mut inode_3).unwrap();
+ println!("-----------------");
+ println!("double indirect is {} for {}", inode_3.double_indirect, inode_index_3);
+ assert!(fs.data_bitmap.query(inode_3.double_indirect as usize));
+
+ fs.update_inode(inode_index_1, inode_1);
+ fs.update_inode(inode_index_2, inode_2);
+ fs.update_inode(inode_index_3, inode_3);
+} \ No newline at end of file
generated by cgit v1.2.3-70-g09d2 (git 2.46.2) at 2024-10-16 16:24:53 +0000