From edeec22130c1be6e55891be0f3651171259b0f0f Mon Sep 17 00:00:00 2001
From: "Dennis.Glaeser" <dennis.glaeser@iws.uni-stuttgart.de>
Date: Wed, 30 Dec 2020 08:08:26 +0100
Subject: [PATCH] [test][common] test point-triangle intersection for small eps
---
test/geometry/test_0d1d_intersection.cc | 2 ++
test/geometry/test_0d2d_intersection.cc | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/test/geometry/test_0d1d_intersection.cc b/test/geometry/test_0d1d_intersection.cc
index e92abcac7b..68286011de 100644
--- a/test/geometry/test_0d1d_intersection.cc
+++ b/test/geometry/test_0d1d_intersection.cc
@@ -62,6 +62,8 @@ void testIntersections(std::vector<bool>& returns)
returns.push_back(testIntersection(a, b, p4));
returns.push_back(testIntersection(a, b, p5));
returns.push_back(testIntersection(a, b, p6));
+
+ // test cases where the point is just on or just outside the segment
returns.push_back(testIntersection(a, b, p7));
returns.push_back(testIntersection(a, b, p8));
returns.push_back(testIntersection(a, b, p9, true));
diff --git a/test/geometry/test_0d2d_intersection.cc b/test/geometry/test_0d2d_intersection.cc
index 077def4387..a9209b13da 100644
--- a/test/geometry/test_0d2d_intersection.cc
+++ b/test/geometry/test_0d2d_intersection.cc
@@ -45,6 +45,10 @@ void runIntersectionTest(std::vector<bool>& returns, const Transformation& trans
returns.push_back(testIntersection(triangle, transform({0.5, 0.51}), false, verbose));
returns.push_back(testIntersection(triangle, transform({0.0, -0.01}), false, verbose));
+ // test cases where the point is just inside or just outside the triangle
+ returns.push_back(testIntersection(triangle, transform({0.0, -1.5e-7}), false, verbose));
+ returns.push_back(testIntersection(triangle, transform({1.0+1.5e-7, 1.5e-7}), false, verbose));
+
// test quadrilateral-point intersections
if (verbose) std::cout << "\n -- Test quadrilateral-point intersections" << std::endl;
@@ -64,6 +68,9 @@ void runIntersectionTest(std::vector<bool>& returns, const Transformation& trans
returns.push_back(testIntersection(quadrilateral, transform({0.5, 1.01}), false, verbose));
returns.push_back(testIntersection(quadrilateral, transform({0.0, -0.01}), false, verbose));
+ // test cases where the point is just inside or just outside the triangle
+ returns.push_back(testIntersection(quadrilateral, transform({0.0, -1.5e-7}), false, verbose));
+ returns.push_back(testIntersection(quadrilateral, transform({1.0+1.5e-7, 1.5e-7}), false, verbose));
}
template<class Transformation>
--
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