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author | Jesse Luehrs <doy@tozt.net> | 2021-11-18 17:18:34 -0500 |
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committer | Jesse Luehrs <doy@tozt.net> | 2021-11-18 17:18:34 -0500 |
commit | 5b4890d351b5e518bfda862e05f7905dc373cacd (patch) | |
tree | f07c50ba96abd7fcaf2ce591bf718c7b638a53b4 | |
parent | 2bbabde35ee98a4e724fbb3a08a37a5cb78bbfc2 (diff) | |
download | vt100-rust-5b4890d351b5e518bfda862e05f7905dc373cacd.tar.gz vt100-rust-5b4890d351b5e518bfda862e05f7905dc373cacd.zip |
add an example suitable for feeding to a fuzzer
-rw-r--r-- | examples/fuzz.rs | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/examples/fuzz.rs b/examples/fuzz.rs new file mode 100644 index 0000000..6ae7d47 --- /dev/null +++ b/examples/fuzz.rs @@ -0,0 +1,62 @@ +use std::io::Read as _; + +#[path = "../tests/helpers/mod.rs"] +mod helpers; + +fn main() { + let mut vt_base = vt100::Parser::default(); + let mut vt_diff = vt100::Parser::default(); + let mut prev_screen = vt_base.screen().clone(); + let empty_screen = vt100::Parser::default().screen().clone(); + loop { + let mut byte = [0]; + match std::io::stdin().read(&mut byte) { + Ok(bytes) => { + if bytes != 1 { + break; + } + } + Err(e) => { + eprintln!("{}", e); + break; + } + } + vt_base.process(&byte); + + let mut vt_full = vt100::Parser::default(); + vt_full.process(&vt_base.screen().state_formatted()); + vt_full.process(&vt_base.screen().bells_diff(&empty_screen)); + assert!( + helpers::compare_screens(vt_base.screen(), vt_full.screen()), + "full" + ); + + vt_diff.process(&vt_base.screen().state_diff(&prev_screen)); + vt_diff.process(&vt_base.screen().bells_diff(&empty_screen)); + prev_screen = vt_base.screen().clone(); + assert!( + helpers::compare_screens(vt_base.screen(), vt_diff.screen()), + "diff" + ); + + let mut vt_rows = vt100::Parser::default(); + let mut wrapped = false; + for (idx, row) in vt_base.screen().rows_formatted(0, 80).enumerate() { + vt_rows.process(b"\x1b[m"); + if !wrapped { + vt_rows.process(format!("\x1b[{}H", idx + 1).as_bytes()); + } + vt_rows.process(&row); + wrapped = vt_base.screen().row_wrapped(idx.try_into().unwrap()); + } + vt_rows.process(&vt_base.screen().cursor_state_formatted()); + vt_rows.process(&vt_base.screen().attributes_formatted()); + vt_rows.process(&vt_base.screen().input_mode_formatted()); + vt_rows.process(&vt_base.screen().title_formatted()); + vt_rows.process(&vt_base.screen().bells_diff(&empty_screen)); + assert!( + helpers::compare_screens(vt_base.screen(), vt_rows.screen()), + "rows" + ); + } +} |