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region: commenting and style for test cases

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This commit is contained in:
Danny Robson 2017-07-19 17:19:20 +10:00
parent 3460d5edbe
commit a27869d1c8
1 changed files with 36 additions and 17 deletions
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53
test/region.cpp
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@ -10,35 +10,54 @@ main (int, char **)
{ {
util::TAP::logger tap; util::TAP::logger tap;
// check that two overlapping regions successfully test for intersection
{ {
util::point2d ap { 32.7, -6.09703 }; const util::point2d ap { 32.7, -6.09703 };
util::extent2d ae { 0.8, 2. }; const util::extent2d ae { 0.8, 2. };
const util::region2d a (ap, ae);
util::point2d bp {33.5, -4.5}; const util::point2d bp {33.5, -4.5};
util::extent2d be { 0.5, 0.5 }; const util::extent2d be { 0.5, 0.5 };
const util::region2d b (bp, be);
util::region2d a (ap, ae);
util::region2d b (bp, be);
tap.expect (!a.intersects (b), "simple 2d intersection"); tap.expect (!a.intersects (b), "simple 2d intersection");
} }
tap.expect (util::region2d::max ().intersects (util::region2d::unit ()), "maximal region2d intersection"); // check various floating point maximums successfully test for
tap.expect (util::region2f::max ().intersects (util::region2f::unit ()), "maximal region2f intersection"); // intersection. the concern is that infinities are incorrectly handled
// in some comparisons.
tap.expect (
util::region2d::max ().intersects (
util::region2d::unit ()
),
"maximal region2d intersection"
);
tap.expect (
util::region2f::max ().intersects (
util::region2f::unit ()
),
"maximal region2f intersection"
);
// ensure unit regions are... unit sized...
tap.expect_eq (util::region2d::unit ().area (), 1.0, "unit region2d area"); tap.expect_eq (util::region2d::unit ().area (), 1.0, "unit region2d area");
tap.expect_eq (util::region2f::unit ().area (), 1.0f, "unit region2f area"); tap.expect_eq (util::region2f::unit ().area (), 1.0f, "unit region2f area");
util::point2u p0 { 0 }; // test boundary cases of includes and contains
util::extent2u e0 { 2 }; {
const util::point2u p0 { 0 };
const util::extent2u e0 { 2 };
const util::region2u r {p0, e0};
tap.expect (util::region2u (p0, e0).includes (util::point2u {1, 1}), "unsigned region centre inclusion"); tap.expect (r.includes (util::point2u {1, 1}), "unsigned region centre inclusion");
tap.expect (util::region2u (p0, e0).includes (util::point2u {0, 0}), "unsigned region base inclusion"); tap.expect (r.includes (util::point2u {0, 0}), "unsigned region base inclusion");
tap.expect (util::region2u (p0, e0).includes (util::point2u {2, 2}), "unsigned region corner inclusion"); tap.expect (r.includes (util::point2u {2, 2}), "unsigned region corner inclusion");
tap.expect ( util::region2u (p0, e0).contains (util::point2u {1, 1}), "unsigned region center contains"); tap.expect ( r.contains (util::point2u {1, 1}), "unsigned region center contains");
tap.expect (!util::region2u (p0, e0).contains (util::point2u {0, 0}), "unsigned region base contains"); tap.expect (!r.contains (util::point2u {0, 0}), "unsigned region base contains");
tap.expect (!util::region2u (p0, e0).contains (util::point2u {2, 2}), "unsigned region corner contains"); tap.expect (!r.contains (util::point2u {2, 2}), "unsigned region corner contains");
}
//CHECK (region<2,intmax_t> (0, 0, 10, 10).includes (point2d (0.4, 0.01))); //CHECK (region<2,intmax_t> (0, 0, 10, 10).includes (point2d (0.4, 0.01)));
//CHECK (region<2,intmax_t> (0, 0, 10, 10).contains (point2d (0.4, 0.01))); //CHECK (region<2,intmax_t> (0, 0, 10, 10).contains (point2d (0.4, 0.01)));