From fb3993cffcd64cf9f9de612bc9147585689931fb Mon Sep 17 00:00:00 2001
From: Karsten Rink <karsten.rink@ufz.de>
Date: Mon, 1 Sep 2014 17:38:29 +0200
Subject: [PATCH] adjusted indentation and comments for tests
---
Tests/GeoLib/TestBoundingSphere.cpp | 44 ++++++++++++++++++++++++-----
1 file changed, 37 insertions(+), 7 deletions(-)
diff --git a/Tests/GeoLib/TestBoundingSphere.cpp b/Tests/GeoLib/TestBoundingSphere.cpp
index d98489ce550..96697e9ffe9 100644
--- a/Tests/GeoLib/TestBoundingSphere.cpp
+++ b/Tests/GeoLib/TestBoundingSphere.cpp
@@ -20,9 +20,9 @@
TEST(GeoLib, TestBoundingSphere)
{
GeoLib::Point a(0, 0 ,0);
- GeoLib::Point b(2, 0 ,0);
- GeoLib::Point c(1, 0.1 ,0);
- GeoLib::Point d(1, -0.1 ,0);
+ GeoLib::Point b(2, 0 ,0);
+ GeoLib::Point c(1, 0.1 ,0);
+ GeoLib::Point d(1, -0.1 ,0);
std::vector<GeoLib::Point*> pnts;
pnts.push_back(new GeoLib::Point(0, 0 , 0));
pnts.push_back(new GeoLib::Point(2, 0 , 0));
@@ -30,8 +30,18 @@ TEST(GeoLib, TestBoundingSphere)
pnts.push_back(new GeoLib::Point(1, -0.1 , 0));
{
+ /**
+ * Four points located like this:
+ *
+ * *
+ * * *
+ * *
+ *
+ * Tests if a smaller number of points than available is used if the resulting sphere is smaller.
+ * Expected result is C=(1,0,0), r=1
+ */
GeoLib::BoundingSphere s(pnts);
- GeoLib::Point center = s.getCenter();
+ GeoLib::Point center = s.getCenter();
ASSERT_NEAR(1.0, center[0], std::numeric_limits<double>::epsilon());
ASSERT_NEAR(0.0, center[1], std::numeric_limits<double>::epsilon());
ASSERT_NEAR(0.0, center[2], std::numeric_limits<double>::epsilon());
@@ -39,9 +49,21 @@ TEST(GeoLib, TestBoundingSphere)
}
{
+ /**
+ * Four points located like this:
+ *
+ * *
+ * * *
+ *
+ *
+ * *
+ *
+ * The smallest sphere has a diameter that is larger than the distance between any two points.
+ * Expected result is C=(1,0.0246,-0.3446), r=1.058
+ */
(*pnts[2])[2] -= 1.4;
GeoLib::BoundingSphere s(pnts);
- GeoLib::Point center = s.getCenter();
+ GeoLib::Point center = s.getCenter();
ASSERT_NEAR(1.0, center[0], 0.0001);
ASSERT_NEAR(0.0246, center[1], 0.0001);
ASSERT_NEAR(-0.3446, center[2], 0.0001);
@@ -58,8 +80,12 @@ TEST(GeoLib, TestBoundingSphere)
pnts.push_back(new GeoLib::Point(0, 1, 0.9));
{
+ /**
+ * A "cube" where one node is pushed slightly towards the centre (and should be ignored).
+ * Expected result is C=(0.5,0.5,0.5), r=0.866
+ */
GeoLib::BoundingSphere s(pnts);
- GeoLib::Point center = s.getCenter();
+ GeoLib::Point center = s.getCenter();
ASSERT_NEAR(0.5, center[0], std::numeric_limits<double>::epsilon());
ASSERT_NEAR(0.5, center[1], std::numeric_limits<double>::epsilon());
ASSERT_NEAR(0.5, center[2], std::numeric_limits<double>::epsilon());
@@ -67,9 +93,13 @@ TEST(GeoLib, TestBoundingSphere)
}
{
+ /**
+ * A "cube" where one node is pulled away from the centre (making the resulting sphere larger).
+ * Expected result is C=(0.5,0.5,0.6), r=0.9273
+ */
(*pnts[7])[2] += 0.3;
GeoLib::BoundingSphere s(pnts);
- GeoLib::Point center = s.getCenter();
+ GeoLib::Point center = s.getCenter();
ASSERT_NEAR(0.5, center[0], std::numeric_limits<double>::epsilon());
ASSERT_NEAR(0.5, center[1], std::numeric_limits<double>::epsilon());
ASSERT_NEAR(0.6, center[2], std::numeric_limits<double>::epsilon());
--
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