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test: fix the flaky multiline lightning smoothing assertion (#15294)

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Kris Austin
2026-08-19 09:28:58 -05:00
committed by GitHub
parent 872c660cb3
commit 8047141981
1 changed files with 5 additions and 1 deletions
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6
tests/fff_print/test_fill.cpp
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@@ -980,7 +980,11 @@ TEST_CASE("Smoothing multiline lightning infill keeps its outlines connected", "
const SparseInfillShape smooth = shape_for("100%");
REQUIRE(sharp.path_count > 0);
REQUIRE(smooth.path_count <= sharp.path_count);
// The loop count varies by a loop or two between platforms and between runs, so this is not an
// exact comparison. Smoothing should leave it about where it was; uncapping the smoothing
// reach, the regression this guards against, adds about 10%.
const size_t allowed_extra = sharp.path_count / 50; // 2%
REQUIRE(smooth.path_count <= sharp.path_count + allowed_extra);
// The outlines are still rounded.
REQUIRE(smooth.point_count > sharp.point_count);
REQUIRE(smooth.sharp_turns < sharp.sharp_turns);