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use tiny_skia::*;
#[test]
fn crbug_140642() {
// We used to see this construct, and due to rounding as we accumulated
// our length, the loop where we apply the phase would run off the end of
// the array, since it relied on just -= each interval value, which did not
// behave as "expected". Now the code explicitly checks for walking off the
// end of that array.
//
// A different (better) fix might be to rewrite dashing to do all of its
// length/phase/measure math using double, but this may need to be
// coordinated with SkPathMeasure, to be consistent between the two.
assert!(StrokeDash::new(vec![27734.0, 35660.0, 2157846850.0, 247.0], -248.135982067).is_some());
}
#[test]
fn crbug_124652() {
// http://code.google.com/p/chromium/issues/detail?id=124652
// This particular test/bug only applies to the float case, where
// large values can "swamp" small ones.
assert!(StrokeDash::new(vec![837099584.0, 33450.0], -10.0).is_some());
}
// Extremely large path_length/dash_length ratios may cause infinite looping
// due to single precision rounding.
#[test]
fn infinite_dash() {
let mut pb = PathBuilder::new();
pb.move_to(0.0, 5.0);
pb.line_to(5000000.0, 5.0);
let path = pb.finish().unwrap();
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
let mut stroke = Stroke::default();
stroke.dash = StrokeDash::new(vec![0.2, 0.2], 0.0);
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.stroke_path(&path, &paint, &stroke, Transform::identity(), None); // Doesn't draw anything.
assert!(true);
}
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