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coord: add tests for vec/num/num overload of util::limit

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This commit is contained in:
Danny Robson 2017-08-24 12:50:17 +10:00
parent ac19e165ba
commit 14718594c9
1 changed files with 15 additions and 0 deletions
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15
test/coord.cpp
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@ -42,6 +42,7 @@ main (void)
tap.expect (x == p.x && y == p.y, "structured bindings extract correct data"); tap.expect (x == p.x && y == p.y, "structured bindings extract correct data");
} }
// ensure the distance function behaves correctly with non-normal numbers.
{ {
util::point3f a { 103, 0, 14 }; util::point3f a { 103, 0, 14 };
util::point3f b { 104, INFINITY, 15 }; util::point3f b { 104, INFINITY, 15 };
@ -53,6 +54,7 @@ main (void)
); );
} }
// ensure the util::select function behaves as expected
{ {
const util::point3f a { -1, 2, 0 }; const util::point3f a { -1, 2, 0 };
const util::point3f b { 1, 0, 2 }; const util::point3f b { 1, 0, 2 };
@ -64,5 +66,18 @@ main (void)
tap.expect_eq (select (a > b, a, b), hi, "select with points and max"); tap.expect_eq (select (a > b, a, b), hi, "select with points and max");
}; };
// ensure that util::limit resolves to the coord overload. the exact
// values are less useful than exercising the compiler/linker.
{
const util::vector3f val { 0, -1, 2 };
const util::vector3f lo { -1, 1, -2 };
const util::vector3f hi { 1, 2, 0 };
tap.expect_eq (limit (val, lo, hi), util::vector3f { 0, 1, 0 }, "limit with vec/vec/vec");
tap.expect_eq (limit (val, 0.f, hi), util::vector3f { 0, 0, 0 }, "limit with vec/num/vec");
tap.expect_eq (limit (val, lo, 2.f), util::vector3f { 0, 1, 2 }, "limit with vec/vec/num");
tap.expect_eq (limit (val, 0.f, 2.f), util::vector3f { 0, 0, 2 }, "limit with vec/num/num");
}
return tap.status (); return tap.status ();
} }