extern crate obj;
use obj::raw::{RawObj, parse_obj};
fn fixture(filename: &str) -> RawObj {
use std::path::Path;
use std::fs::File;
use std::io::BufReader;
let path = Path::new("tests").join("fixtures").join(filename);
let file = match File::open(&path) {
Ok(f) => f,
Err(e) => panic!("Failed to open \"{}\". \x1b[31m{}\x1b[0m", path.to_string_lossy(), e)
};
let input = BufReader::new(file);
parse_obj(input).unwrap()
}
macro_rules! test_v4 {
($lhs:expr => $($x:expr, $y:expr, $z:expr, $w:expr;)*) => ({
let mut index = 0usize;
$(
let (x, y, z, w) = $lhs[index];
eq!(x, stringify!($x).parse().unwrap(), stringify!($lhs[index].x));
eq!(y, stringify!($y).parse().unwrap(), stringify!($lhs[index].y));
eq!(z, stringify!($z).parse().unwrap(), stringify!($lhs[index].z));
eq!(w, stringify!($w).parse().unwrap(), stringify!($lhs[index].w));
index += 1;
)*
eq!($lhs.len(), index);
});
}
macro_rules! test_v3 {
($lhs:expr => $($x:expr, $y:expr, $z:expr;)*) => ({
let mut index = 0usize;
$(
let (x, y, z) = $lhs[index];
eq!(x, stringify!($x).parse().unwrap(), stringify!($lhs[index].x));
eq!(y, stringify!($y).parse().unwrap(), stringify!($lhs[index].y));
eq!(z, stringify!($z).parse().unwrap(), stringify!($lhs[index].z));
index += 1;
)*
eq!($lhs.len(), index);
});
}
macro_rules! test {
($($lhs:expr { $($kind:ident $elem:expr)* })*) => ({
$({
let mut index = 0usize;
$(
eq!($lhs[index], obj::raw::object::Polygon::$kind($elem));
index += 1;
)*
eq!($lhs.len(), index);
})*
});
($($lhs:expr, $rhs:expr)*) => ({
$(eq!($lhs, $rhs);)*
});
}
macro_rules! eq {
($lhs:expr, $rhs:expr) => (eq!($lhs, $rhs, stringify!($lhs)));
($lhs:expr, $rhs:expr, $exp:expr) => ({
let left = &($lhs);
let right = &($rhs);
if !((*left == *right) && (*right == *left)) {
use std::io::Write;
let _ = writeln!(&mut std::io::stderr(), "\x1b[33m{}\x1b[0m should be \x1b[33m{:?}\x1b[0m, \
but it was \x1b[33m{:?}\x1b[0m", $exp, *right, *left);
panic!($exp);
}
});
}
#[test]
fn empty() {
let obj = fixture("empty.obj");
test! {
obj.name, None
obj.material_libraries, Vec::<String>::new()
obj.positions.len(), 0
obj.tex_coords.len(), 0
obj.normals.len(), 0
obj.param_vertices.len(), 0
obj.points.len(), 0
obj.lines.len(), 0
obj.polygons.len(), 0
obj.groups.len(), 0
obj.meshes.len(), 0
obj.smoothing_groups.len(), 0
obj.merging_groups.len(), 0
}
}
#[test]
fn cube() {
let obj = fixture("cube.obj");
test! {
obj.name, Some("Cube".to_string())
obj.material_libraries, vec![ "cube.mtl" ]
obj.positions.len(), 8
obj.tex_coords.len(), 14
obj.normals.len(), 0
obj.param_vertices.len(), 0
obj.points.len(), 0
obj.lines.len(), 0
obj.polygons.len(), 6
obj.groups.len(), 1
obj.meshes.len(), 1
obj.smoothing_groups.len(), 0
obj.merging_groups.len(), 0
};
test_v4! { obj.positions =>
1.000000, -1.000000, -1.000000, 1.0;
1.000000, -1.000000, 1.000000, 1.0;
-1.000000, -1.000000, 1.000000, 1.0;
-1.000000, -1.000000, -1.000000, 1.0;
1.000000, 1.000000, -0.999999, 1.0;
0.999999, 1.000000, 1.000001, 1.0;
-1.000000, 1.000000, 1.000000, 1.0;
-1.000000, 1.000000, -1.000000, 1.0;
};
test_v3! { obj.tex_coords =>
1.004952, 0.498633, 0.000000;
0.754996, 0.498236, 0.000000;
0.755393, 0.248279, 0.000000;
1.005349, 0.248677, 0.000000;
0.255083, 0.497442, 0.000000;
0.255480, 0.247485, 0.000000;
0.505437, 0.247882, 0.000000;
0.505039, 0.497839, 0.000000;
0.754598, 0.748193, 0.000000;
0.504642, 0.747795, 0.000000;
0.505834, -0.002074, 0.000000;
0.755790, -0.001677, 0.000000;
0.005127, 0.497044, 0.000000;
0.005524, 0.247088, 0.000000;
};
test! {
obj.polygons {
PT vec![ (0, 0), (1, 1), (2, 2), (3, 3) ]
PT vec![ (4, 4), (7, 5), (6, 6), (5, 7) ]
PT vec![ (0, 8), (4, 9), (5, 7), (1, 1) ]
PT vec![ (1, 1), (5, 7), (6, 6), (2, 2) ]
PT vec![ (2, 2), (6, 6), (7, 10), (3, 11) ]
PT vec![ (4, 4), (0, 12), (3, 13), (7, 5) ]
}
};
test! {
obj.groups.get("default").unwrap().points.len(), 0
obj.groups.get("default").unwrap().lines.len(), 0
obj.groups.get("default").unwrap().polygons.len(), 1
obj.groups.get("default").unwrap().polygons[0].start, 0
obj.groups.get("default").unwrap().polygons[0].end, 6
obj.meshes.get("Material").unwrap().points.len(), 0
obj.meshes.get("Material").unwrap().lines.len(), 0
obj.meshes.get("Material").unwrap().polygons.len(), 1
obj.meshes.get("Material").unwrap().polygons[0].start, 0
obj.meshes.get("Material").unwrap().polygons[0].end, 6
};
}
#[test]
fn dome() {
let obj = fixture("dome.obj");
test! {
obj.name, Some("Dome".to_string())
obj.material_libraries, vec![ "dome.mtl" ]
obj.positions.len(), 33
obj.tex_coords.len(), 0
obj.normals.len(), 0
obj.param_vertices.len(), 0
obj.points.len(), 0
obj.lines.len(), 0
obj.polygons.len(), 62
obj.groups.len(), 1
obj.meshes.len(), 1
obj.smoothing_groups.len(), 2
obj.merging_groups.len(), 0
};
test_v4! { obj.positions =>
-0.382683, 0.923880, 0.000000, 1.0;
-0.707107, 0.707107, 0.000000, 1.0;
-0.923880, 0.382683, 0.000000, 1.0;
-1.000000, -0.000000, 0.000000, 1.0;
-0.270598, 0.923880, -0.270598, 1.0;
-0.500000, 0.707107, -0.500000, 1.0;
-0.653282, 0.382683, -0.653281, 1.0;
-0.707107, -0.000000, -0.707107, 1.0;
-0.000000, 0.923880, -0.382683, 1.0;
-0.000000, 0.707107, -0.707107, 1.0;
-0.000000, 0.382683, -0.923879, 1.0;
-0.000000, -0.000000, -1.000000, 1.0;
-0.000000, 1.000000, 0.000000, 1.0;
0.270598, 0.923880, -0.270598, 1.0;
0.500000, 0.707107, -0.500000, 1.0;
0.653281, 0.382683, -0.653281, 1.0;
0.707106, -0.000000, -0.707107, 1.0;
0.382683, 0.923880, -0.000000, 1.0;
0.707106, 0.707107, -0.000000, 1.0;
0.923879, 0.382683, -0.000000, 1.0;
1.000000, -0.000000, -0.000000, 1.0;
0.270598, 0.923880, 0.270598, 1.0;
0.500000, 0.707107, 0.500000, 1.0;
0.653281, 0.382683, 0.653281, 1.0;
0.707106, -0.000000, 0.707107, 1.0;
-0.000000, 0.923880, 0.382683, 1.0;
-0.000000, 0.707107, 0.707107, 1.0;
-0.000000, 0.382683, 0.923879, 1.0;
-0.000000, -0.000000, 1.000000, 1.0;
-0.270598, 0.923880, 0.270598, 1.0;
-0.500000, 0.707107, 0.500000, 1.0;
-0.653281, 0.382683, 0.653281, 1.0;
-0.707107, -0.000000, 0.707107, 1.0;
};
test! {
obj.polygons {
P vec!(3, 2, 6)
P vec!(2, 1, 5)
P vec!(0, 4, 5)
P vec!(6, 10, 11)
P vec!(5, 9, 10)
P vec!(4, 8, 9)
P vec!(10, 15, 16)
P vec!(10, 9, 14)
P vec!(9, 8, 13)
P vec!(15, 19, 20)
P vec!(14, 18, 19)
P vec!(13, 17, 18)
P vec!(19, 23, 24)
P vec!(19, 18, 22)
P vec!(17, 21, 22)
P vec!(23, 27, 28)
P vec!(23, 22, 26)
P vec!(22, 21, 25)
P vec!(27, 31, 32)
P vec!(27, 26, 30)
P vec!(26, 25, 29)
P vec!(0, 12, 4)
P vec!(4, 12, 8)
P vec!(8, 12, 13)
P vec!(13, 12, 17)
P vec!(17, 12, 21)
P vec!(21, 12, 25)
P vec!(25, 12, 29)
P vec!(31, 2, 3)
P vec!(30, 1, 2)
P vec!(29, 0, 1)
P vec!(29, 12, 0)
P vec!(7, 3, 6)
P vec!(6, 2, 5)
P vec!(1, 0, 5)
P vec!(7, 6, 11)
P vec!(6, 5, 10)
P vec!(5, 4, 9)
P vec!(11, 10, 16)
P vec!(15, 10, 14)
P vec!(14, 9, 13)
P vec!(16, 15, 20)
P vec!(15, 14, 19)
P vec!(14, 13, 18)
P vec!(20, 19, 24)
P vec!(23, 19, 22)
P vec!(18, 17, 22)
P vec!(24, 23, 28)
P vec!(27, 23, 26)
P vec!(26, 22, 25)
P vec!(28, 27, 32)
P vec!(31, 27, 30)
P vec!(30, 26, 29)
P vec!(32, 31, 3)
P vec!(31, 30, 2)
P vec!(30, 29, 1)
P vec!(32, 3, 7)
P vec!(28, 32, 24)
P vec!(11, 16, 20)
P vec!(11, 32, 7)
P vec!(32, 20, 24)
P vec!(20, 32, 11)
}
};
test! {
obj.groups.get("default").unwrap().points.len(), 0
obj.groups.get("default").unwrap().lines.len(), 0
obj.groups.get("default").unwrap().polygons.len(), 1
obj.groups.get("default").unwrap().polygons[0].start, 0
obj.groups.get("default").unwrap().polygons[0].end, 62
obj.meshes.get("None").unwrap().points.len(), 0
obj.meshes.get("None").unwrap().lines.len(), 0
obj.meshes.get("None").unwrap().polygons.len(), 1
obj.meshes.get("None").unwrap().polygons[0].start, 0
obj.meshes.get("None").unwrap().polygons[0].end, 62
obj.smoothing_groups[1].points.len(), 0
obj.smoothing_groups[1].lines.len(), 0
obj.smoothing_groups[1].polygons.len(), 1
obj.smoothing_groups[1].polygons[0].start, 0
obj.smoothing_groups[1].polygons[0].end, 56
obj.smoothing_groups[2].points.len(), 0
obj.smoothing_groups[2].lines.len(), 0
obj.smoothing_groups[2].polygons.len(), 1
obj.smoothing_groups[2].polygons[0].start, 56
obj.smoothing_groups[2].polygons[0].end, 62
};
}
#[test]
fn sponza() {
let obj = fixture("sponza.obj");
test! {
obj.name, Some("sponza.lwo".to_owned())
obj.positions.len(), 39742
obj.polygons.len(), 36347
}
}
#[test]
fn lines_points() {
let obj = fixture("lines_points.obj");
test! {
obj.name, Some("lines.obj".to_owned())
obj.positions.len(), 3
obj.tex_coords.len(), 2
obj.lines.len(), 2
obj.points.len(), 3
}
}