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use binaryninja::binary_view::{BinaryReader, BinaryViewBase, BinaryWriter};
use binaryninja::headless::Session;
use std::io::{Read, Seek, SeekFrom, Write};
use std::path::PathBuf;
#[test]
fn test_binary_writer_seek() {
let _session = Session::new().expect("Failed to initialize session");
let out_dir = env!("OUT_DIR").parse::<PathBuf>().unwrap();
let view = binaryninja::load(out_dir.join("atox.obj")).expect("Failed to create view");
let mut writer = BinaryWriter::new(&view);
let end_offset = view.original_image_base() + view.len();
// Test seeking to a specific position
writer
.seek(SeekFrom::Start(0))
.expect("Failed to seek to start");
assert_eq!(writer.offset(), 0, "Writer failed to seek to the start");
writer
.seek(SeekFrom::End(0))
.expect("Failed to seek to end");
assert_eq!(
writer.offset(),
end_offset,
"Writer failed to seek to the end"
);
// Test relative seeking
writer
.seek(SeekFrom::Start(10))
.expect("Failed to seek to position 10");
assert_eq!(writer.offset(), 10, "Writer failed to seek to position 10");
writer
.seek(SeekFrom::Current(-5))
.expect("Failed to perform relative seek");
assert_eq!(
writer.offset(),
5,
"Writer failed to perform relative seek correctly"
);
}
#[test]
fn test_binary_writer_write() {
let _session = Session::new().expect("Failed to initialize session");
let out_dir = env!("OUT_DIR").parse::<PathBuf>().unwrap();
let view = binaryninja::load(out_dir.join("atox.obj")).expect("Failed to create view");
let mut reader = BinaryReader::new(&view);
let mut writer = BinaryWriter::new(&view);
// Validate bytes are written.
let mut buffer = [5u8; 4];
let mut verify_buffer = [0u8; 4];
writer.write(&mut buffer).expect("Failed to write 4 bytes");
reader
.read_exact(&mut verify_buffer)
.expect("Failed to read 4 bytes");
assert_eq!(buffer, verify_buffer, "Failed to write the correct bytes");
// Test attempting to write beyond the end of the file.
writer
.seek(SeekFrom::End(0))
.expect("Failed to seek to end");
let mut eof_buffer = [0u8; 1];
let result = writer.write(&mut eof_buffer);
assert!(
result.is_err(),
"Expected an error when writing past EOF, got success instead"
);
}
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