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test: Add test for known case causing mfogel#124
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| /* eslint-env jest */ | ||
|
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| import * as polygonclip from "../src" | ||
|
|
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| describe("polygon-clipping #124", () => { | ||
| test("doesn't throw with a case known to cause a stack overflow", () => { | ||
| const geom = [ | ||
| [ | ||
| [0, 0], | ||
| [4000, 0], | ||
| [4000, 1500], | ||
| [0, 1500], | ||
| [0, 0], | ||
| ], | ||
| ] | ||
| const geoms = [ | ||
| [ | ||
| [ | ||
| [4000, 182093], | ||
| [4000, 183750], | ||
| [0, 183750], | ||
| [-91875, 91875], | ||
| [-86218, 91875], | ||
| [4000, 182093], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [-86218, 91875], | ||
| [-91875, 91875], | ||
| [0, 0], | ||
| [4000, 0], | ||
| [4000, 1657], | ||
| [-86218, 91875], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [-868, 182882], | ||
| [3900, 182882], | ||
| [3900, 183750], | ||
| [0, 183750], | ||
| [-868, 182882], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [-1868, 181882], | ||
| [3789, 181882], | ||
| [3900, 181993], | ||
| [3900, 182882], | ||
| [-868, 182882], | ||
| [-1868, 181882], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [-91743, 92007], | ||
| [-86086, 92007], | ||
| [3789, 181882], | ||
| [-1868, 181882], | ||
| [-91743, 92007], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [3900, 868], | ||
| [-868, 868], | ||
| [0, 0], | ||
| [3900, 0], | ||
| [3900, 868], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [3900, 868], | ||
| [3900, 1757], | ||
| [3789, 1868], | ||
| [-1868, 1868], | ||
| [-868, 868], | ||
| [3900, 868], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [-91743, 91743], | ||
| [-1868, 1868], | ||
| [3789, 1868], | ||
| [-86086, 91743], | ||
| [-91743, 91743], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [3132, 182882], | ||
| [3998, 183750], | ||
| [0, 183750], | ||
| [-868, 182882], | ||
| [3132, 182882], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [3132, 182882], | ||
| [-868, 182882], | ||
| [-1500, 182250], | ||
| [2500, 182250], | ||
| [3132, 182882], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [0, 0], | ||
| [3998, 0], | ||
| [3132, 868], | ||
| [-868, 868], | ||
| [0, 0], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [-868, 868], | ||
| [3132, 868], | ||
| [2500, 1500], | ||
| [-1500, 1500], | ||
| [-868, 868], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [4000, 182882], | ||
| [4000, 183750], | ||
| [0, 183750], | ||
| [-868, 182882], | ||
| [4000, 182882], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [4000, 182093], | ||
| [4000, 182882], | ||
| [-868, 182882], | ||
| [-1868, 181882], | ||
| [3789, 181882], | ||
| [4000, 182093], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [3789, 181882], | ||
| [-1868, 181882], | ||
| [-20000, 163750], | ||
| [-14343, 163750], | ||
| [3789, 181882], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [4000, 868], | ||
| [-868, 868], | ||
| [0, 0], | ||
| [4000, 0], | ||
| [4000, 868], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [4000, 868], | ||
| [4000, 1657], | ||
| [3789, 1868], | ||
| [-1868, 1868], | ||
| [-868, 868], | ||
| [4000, 868], | ||
| ], | ||
| ], | ||
| [ | ||
| [ | ||
| [-1868, 1868], | ||
| [3789, 1868], | ||
| [-14343, 20000], | ||
| [-20000, 20000], | ||
| [-1868, 1868], | ||
| ], | ||
| ], | ||
| ] | ||
|
|
||
| expect(() => polygonclip.union(geom, ...geoms)).not.toThrow() | ||
| }) | ||
| }) |