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Add some unit tests for Rectangle::ClampUL

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This commit is contained in:
Niel Lebeck 2024-06-10 18:46:03 -07:00
parent 658a740955
commit e95f5d3766
1 changed files with 52 additions and 2 deletions
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54
Source/UnitTests/Common/MathUtilTest.cpp
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@ -187,5 +187,55 @@ TEST(MathUtil, RectangleGetHeightUnsigned)
EXPECT_EQ(rect_e.GetHeight(), u32{0xFFFFFFF8}); EXPECT_EQ(rect_e.GetHeight(), u32{0xFFFFFFF8});
} }
// TODO: Add unit test coverage for `Rectangle::ClampUL`. (And consider removing TEST(MathUtil, RectangleClampUL)
// `Rectangle::ClampLL`, which does not have any callers.) {
// Clamp in one direction
MathUtil::Rectangle<int> rect_a(2, 2, 5, 6);
rect_a.ClampUL(3, 1, 6, 7);
EXPECT_EQ(rect_a, MathUtil::Rectangle<int>(3, 2, 5, 6));
MathUtil::Rectangle<int> rect_b(2, 2, 5, 6);
rect_b.ClampUL(1, 3, 6, 7);
EXPECT_EQ(rect_b, MathUtil::Rectangle<int>(2, 3, 5, 6));
MathUtil::Rectangle<int> rect_c(2, 2, 5, 6);
rect_c.ClampUL(1, 1, 4, 7);
EXPECT_EQ(rect_c, MathUtil::Rectangle<int>(2, 2, 4, 6));
MathUtil::Rectangle<int> rect_d(2, 2, 5, 6);
rect_d.ClampUL(1, 1, 6, 5);
EXPECT_EQ(rect_d, MathUtil::Rectangle<int>(2, 2, 5, 5));
// Clamp in two directions
MathUtil::Rectangle<int> rect_e(2, 2, 5, 6);
rect_e.ClampUL(4, 3, 6, 7);
EXPECT_EQ(rect_e, MathUtil::Rectangle<int>(4, 3, 5, 6));
MathUtil::Rectangle<int> rect_f(2, 2, 5, 6);
rect_f.ClampUL(1, 1, 4, 4);
EXPECT_EQ(rect_f, MathUtil::Rectangle<int>(2, 2, 4, 4));
// Given rectangle contains this rectangle
MathUtil::Rectangle<int> rect_g(2, 2, 5, 6);
rect_g.ClampUL(1, 1, 6, 7);
EXPECT_EQ(rect_g, MathUtil::Rectangle<int>(2, 2, 5, 6));
// Given rectangle lies entirely within this rectangle
MathUtil::Rectangle<int> rect_h(2, 2, 5, 6);
rect_h.ClampUL(3, 3, 4, 4);
EXPECT_EQ(rect_h, MathUtil::Rectangle<int>(3, 3, 4, 4));
// Given rectangle exactly matches this rectangle
MathUtil::Rectangle<int> rect_i(2, 2, 5, 6);
rect_i.ClampUL(2, 2, 5, 6);
EXPECT_EQ(rect_i, MathUtil::Rectangle<int>(2, 2, 5, 6));
// Given rectangle does not intersect this rectangle at all
MathUtil::Rectangle<int> rect_j(2, 2, 5, 6);
rect_j.ClampUL(7, 8, 10, 11);
EXPECT_EQ(rect_j, MathUtil::Rectangle<int>(7, 8, 7, 8));
MathUtil::Rectangle<int> rect_k(2, 2, 5, 6);
rect_k.ClampUL(-1, -1, 1, 0);
EXPECT_EQ(rect_k, MathUtil::Rectangle<int>(1, 0, 1, 0));
}