aleleba/pdfcraft
1
0
Fork 0
mirror of https://github.com/storytold/pdfcraft.git synced 2026-10-29 12:38:58 -06:00
Code Issues Packages Projects Releases Wiki Activity

fix(edit): flatten on a copy so a page refused part way changes nothing

Browse Source
This commit is contained in:
aiongg
2026-10-23 00:02:33 +00:00
parent 0d216199b9
commit ba024eb0dd
2 changed files with 31 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crates/edit/src/tests.rs
+22
View File
@@ -6549,3 +6549,25 @@ fn reading_spends_one_decode_budget_on_content_and_forms() {
});
assert!(crate::text::reading_blocks_checked(&doc, 0).unwrap().truncated);
}
/// A page that can't take flattened content on top (marked content nested past the depth budget)
/// refuses the whole flatten: the pages before it keep their comments and content.
#[test]
fn a_flatten_refused_on_a_later_page_changes_nothing() {
let deep = stream("", &"/Artifact BMC\n".repeat(10_001));
let mut doc = build(&[
"<< /Type /Catalog /Pages 2 0 R >>",
"<< /Type /Pages /Kids [3 0 R 6 0 R] /Count 2 >>",
"<< /Type /Page /Parent 2 0 R /MediaBox [0 0 200 200] /Resources << >> /Contents 4 0 R /Annots [5 0 R] >>",
&stream("", " "),
"<< /Type /Annot /Subtype /Square /Rect [10 10 50 50] /F 4 /AP << /N 9 0 R >> >>",
"<< /Type /Page /Parent 2 0 R /MediaBox [0 0 200 200] /Resources << >> /Contents 7 0 R /Annots [8 0 R] >>",
&deep,
"<< /Type /Annot /Subtype /Square /Rect [10 10 50 50] /F 4 /AP << /N 9 0 R >> >>",
"<< /Type /XObject /Subtype /Form /BBox [0 0 40 40] /Length 0 >>\nstream\n\nendstream",
]);
let first = pdfcraft_cos::ObjRef::new(3, 0);
let before = (*doc.get(first)).clone();
assert!(matches!(flatten(&mut doc, &[0, 1], true, false), Err(EditError::Invalid(_))));
assert_eq!((*doc.get(first)).clone(), before, "the first page keeps its comment and content");
}