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tests/TC031-flat-inline-normal.md

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+# Test Case: FLAT_INLINE Small File
+
+**Test ID**: TC031-flat-inline-normal
+
+## Objective
+
+Verify a small uncompressed `FLAT_INLINE` payload stored in the inode metadata
+area and bounded by its metadata block.
+
+## Fixture
+
+Use `images/inline.erofs` and `source/inline/tiny.txt`. Evidence asserts layout
+2, compact inode, NID, and size.
+
+## Procedure
+
+```sh
+stat -f 'size=%z blocks=%b mode=%p' "$mnt/tiny.txt"
+cmp /tmp/repo22-g1/source/inline/tiny.txt "$mnt/tiny.txt"
+sha256 /tmp/repo22-g1/source/inline/tiny.txt "$mnt/tiny.txt"
+```
+
+## Expected Results
+
+- Layout is 2 and size/content match the source.
+- FreeBSD reports 8 allocated 512-byte sectors for the 4096-byte EROFS
+  allocation unit; zero blocks is not the current qualified semantic.
+- Mount and cleanup succeed.