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//! Tests for writer, tree, and parser.
#![cfg(all(feature = "tree", feature = "writer"))]
use std::{cell::RefCell, io::Cursor, iter, rc::Rc};
use fbxcel::{
low::FbxVersion,
pull_parser::{any::AnyParser, error::Warning},
};
use self::v7400::writer::{
expect_fbx_end, expect_node_end, expect_node_start, CUSTOM_UNKNOWN1, MAGIC, UNKNOWN3,
};
mod v7400;
/// Parses a node which lacks necessary node end marker.
#[test]
fn missing_node_end_marker() -> Result<(), Box<dyn std::error::Error>> {
let data = {
let raw_ver = 7400_u32;
let mut vec = Vec::new();
// Header.
{
// Magic.
vec.extend(MAGIC);
// Version.
vec.extend(raw_ver.to_le_bytes());
}
// Nodes.
{
// Container node.
{
const CONTAINER: &[u8] = b"Container";
let container_start = vec.len();
// End offset.
vec.extend([0; 4]);
// Number of node properties.
vec.extend([0; 4]);
// Length of node properties in bytes.
vec.extend([0; 4]);
// Node name length.
vec.push(CONTAINER.len() as u8);
// Node name.
vec.extend(CONTAINER);
// Invalid node.
{
const INVALID_NODE: &[u8] = b"InvalidNode";
let invalid_node_start = vec.len();
// End offset.
vec.extend([0; 4]);
// Number of node properties.
vec.extend([0; 4]);
// Length of node properties in bytes.
vec.extend([0; 4]);
// Node name length.
vec.push(INVALID_NODE.len() as u8);
// Node name.
vec.extend(INVALID_NODE);
let end_pos = (vec.len() as u32).to_le_bytes();
vec[invalid_node_start..(invalid_node_start + 4)].copy_from_slice(&end_pos);
}
// Node end marker.
vec.extend([0; 13]);
let end_pos = (vec.len() as u32).to_le_bytes();
vec[container_start..(container_start + 4)].copy_from_slice(&end_pos);
}
// End of implicit root.
{
vec.extend(iter::repeat(0).take(4 * 3 + 1));
}
}
// Footer.
{
// Footer: unknown1.
vec.extend(CUSTOM_UNKNOWN1);
// Footer: padding.
{
let len = vec.len().wrapping_neg() % 16;
assert_eq!((vec.len() + len) % 16, 0);
vec.extend(iter::repeat(0).take(len));
}
// Footer: unknown2.
vec.extend([0; 4]);
// Footer: FBX version.
vec.extend(raw_ver.to_le_bytes());
// Footer: 120 zeroes.
vec.extend(iter::repeat(0).take(120));
// Footer: unknown3.
vec.extend(UNKNOWN3);
}
vec
};
assert_eq!(data.len() % 16, 0);
let mut parser = match AnyParser::from_seekable_reader(Cursor::new(data))? {
AnyParser::V7400(parser) => parser,
_ => panic!("Generated data should be parsable with v7400 parser"),
};
let warnings = Rc::new(RefCell::new(Vec::new()));
parser.set_warning_handler({
let warnings = warnings.clone();
move |warning, _pos| {
warnings.borrow_mut().push(warning);
Ok(())
}
});
assert_eq!(parser.fbx_version(), FbxVersion::V7_4);
{
let attrs = expect_node_start(&mut parser, "Container")?;
assert_eq!(attrs.total_count(), 0);
}
{
let attrs = expect_node_start(&mut parser, "InvalidNode")?;
assert_eq!(attrs.total_count(), 0);
}
expect_node_end(&mut parser)?;
expect_node_end(&mut parser)?;
let _: Box<fbxcel::low::v7400::FbxFooter> = expect_fbx_end(&mut parser)??;
match &warnings.borrow()[..] {
[Warning::MissingNodeEndMarker] => {}
v => panic!("Unexpected warnings: {:?}", v),
}
Ok(())
}
/// Parses a node which has extra node end marker.
#[test]
fn extra_node_end_marker() -> Result<(), Box<dyn std::error::Error>> {
let data = {
let raw_ver = 7400_u32;
let mut vec = Vec::new();
// Header.
{
// Magic.
vec.extend(MAGIC);
// Version.
vec.extend(raw_ver.to_le_bytes());
}
// Nodes.
{
// Container node.
{
const CONTAINER: &[u8] = b"Container";
let container_start = vec.len();
// End offset.
vec.extend([0; 4]);
// Number of node properties.
vec.extend([0; 4]);
// Length of node properties in bytes.
vec.extend([0; 4]);
// Node name length.
vec.push(CONTAINER.len() as u8);
// Node name.
vec.extend(CONTAINER);
// Invalid node.
{
const INVALID_NODE: &[u8] = b"InvalidNode";
let invalid_node_start = vec.len();
// End offset.
vec.extend([0; 4]);
// Number of node properties.
vec.extend(1_u32.to_le_bytes());
// Length of node properties in bytes.
vec.extend(2_u32.to_le_bytes());
// Node name length.
vec.push(INVALID_NODE.len() as u8);
// Node name.
vec.extend(INVALID_NODE);
// An attribute.
vec.extend([b'C', b'T']);
// Extra node end marker.
vec.extend([0; 13]);
let end_pos = (vec.len() as u32).to_le_bytes();
vec[invalid_node_start..(invalid_node_start + 4)].copy_from_slice(&end_pos);
}
// Node end marker.
vec.extend([0; 13]);
let end_pos = (vec.len() as u32).to_le_bytes();
vec[container_start..(container_start + 4)].copy_from_slice(&end_pos);
}
// End of implicit root.
{
vec.extend(iter::repeat(0).take(4 * 3 + 1));
}
}
// Footer.
{
// Footer: unknown1.
vec.extend(CUSTOM_UNKNOWN1);
// Footer: padding.
{
let len = vec.len().wrapping_neg() % 16;
assert_eq!((vec.len() + len) % 16, 0);
vec.extend(iter::repeat(0).take(len));
}
// Footer: unknown2.
vec.extend([0; 4]);
// Footer: FBX version.
vec.extend(raw_ver.to_le_bytes());
// Footer: 120 zeroes.
vec.extend(iter::repeat(0).take(120));
// Footer: unknown3.
vec.extend(UNKNOWN3);
}
vec
};
assert_eq!(data.len() % 16, 0);
let mut parser = match AnyParser::from_seekable_reader(Cursor::new(data))? {
AnyParser::V7400(parser) => parser,
_ => panic!("Generated data should be parsable with v7400 parser"),
};
let warnings = Rc::new(RefCell::new(Vec::new()));
parser.set_warning_handler({
let warnings = warnings.clone();
move |warning, _pos| {
warnings.borrow_mut().push(warning);
Ok(())
}
});
assert_eq!(parser.fbx_version(), FbxVersion::V7_4);
{
let attrs = expect_node_start(&mut parser, "Container")?;
assert_eq!(attrs.total_count(), 0);
}
{
let attrs = expect_node_start(&mut parser, "InvalidNode")?;
assert_eq!(attrs.total_count(), 1);
}
expect_node_end(&mut parser)?;
expect_node_end(&mut parser)?;
let _: Box<fbxcel::low::v7400::FbxFooter> = expect_fbx_end(&mut parser)??;
match &warnings.borrow()[..] {
[Warning::ExtraNodeEndMarker] => {}
v => panic!("Unexpected warnings: {:?}", v),
}
Ok(())
}