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jayzed80
c9504597ea
normalize_bez ran the sweep without the catch_unwind guard that Sweep::new has, so an outline_stroke width of 1e200 or more with a round join panicked inside linesweeper (Left == Ish). The panic is now a Degenerate error and the art is left unchanged. Adds hostile-number tests for the pathops edit, stroke and offset functions.
50 lines
1.9 KiB
Rust
50 lines
1.9 KiB
Rust
//! Absurd but finite or non-finite numeric parameters: no panic, hang or runaway allocation.
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use vectorcraft_geom::{PathData, Point, SubPath};
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use vectorcraft_pathops::*;
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const HOSTILE: [f64; 9] = [f64::NAN, f64::INFINITY, f64::NEG_INFINITY, 0.0, -0.0, 1e-300, 1e300, -1e300, f64::MAX];
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fn square() -> PathData {
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PathData::single(SubPath::polyline(&[Point::new(0.0, 0.0), Point::new(10.0, 0.0), Point::new(10.0, 10.0), Point::new(0.0, 10.0)], true))
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}
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fn zigzag() -> PathData {
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let pts: Vec<Point> = (0..40).map(|i| Point::new(i as f64 * 3.0, if i % 2 == 0 { 0.0 } else { 7.0 })).collect();
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PathData::single(SubPath::polyline(&pts, false))
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}
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#[test]
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fn edit_functions_survive_hostile_numbers() {
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for paths in [square(), zigzag()] {
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for &v in &HOSTILE {
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let _ = simplify(&paths, v);
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let _ = simplify_with(&paths, &SimplifyOptions { tolerance: v, corner_angle_deg: v, straight_lines: false });
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let _ = simplify_with(&paths, &SimplifyOptions { tolerance: 0.5, corner_angle_deg: v, straight_lines: true });
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let _ = smooth(&paths, v);
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let _ = smooth_level(&paths, v);
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let _ = remove_redundant_points(&paths, v);
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let _ = join(&[paths.clone(), zigzag()], v);
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let _ = simplify_level_tolerance(v);
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let _ = auto_simplify_level(v);
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}
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}
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}
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/// A stroke width of 1e200 or more with round joins used to panic inside the sweep (`Left == Ish`).
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#[test]
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fn stroke_and_offset_survive_hostile_numbers() {
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for paths in [square(), zigzag()] {
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for &w in &HOSTILE {
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for &m in &[f64::NAN, 0.0, 1.0, 1e300] {
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for join in [Join::Miter, Join::Round, Join::Bevel] {
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for cap in [Cap::Butt, Cap::Round] {
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let _ = outline_stroke(&paths, w, cap, join, m);
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}
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let _ = offset_path(&paths, w, join, m);
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}
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}
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}
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}
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}
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