mirror of
https://github.com/libSDL2pp/libSDL2pp.git
synced 2025-08-03 10:55:57 -04:00
345 lines
9.8 KiB
C++
345 lines
9.8 KiB
C++
#include <SDL2pp/Point.hh>
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#include <SDL2pp/Rect.hh>
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#include "testing.h"
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using namespace SDL2pp;
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BEGIN_TEST()
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{
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// Point basic ops
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Point p(1,2);
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EXPECT_TRUE(p.GetX() == 1 && p.GetY() == 2);
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EXPECT_TRUE(p == Point(1,2));
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EXPECT_TRUE(p != Point(1,1));
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EXPECT_TRUE(p != Point(2,2));
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EXPECT_TRUE(p.x == 1);
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EXPECT_TRUE(p.y == 2);
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p.SetX(4);
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p.SetY(5);
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EXPECT_TRUE(p.GetX() == 4 && p.GetY() == 5);
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EXPECT_TRUE(p == Point(4,5));
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EXPECT_TRUE(p.x == 4);
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EXPECT_TRUE(p.y == 5);
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p = Point(6,7);
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EXPECT_TRUE(p.GetX() == 6 && p.GetY() == 7);
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EXPECT_TRUE(p == Point(6,7));
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EXPECT_TRUE(p.x == 6);
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EXPECT_TRUE(p.y == 7);
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}
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{
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// Point self assignment
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Point p(8,9);
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p = Point(10,11);
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p = p;
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EXPECT_TRUE(p.GetX() == 10 && p.GetY() == 11);
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}
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{
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// Point self move-assignment
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Point p(12,13);
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p = Point(14,15);
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p = std::move(p);
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EXPECT_TRUE(p.GetX() == 14 && p.GetY() == 15);
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}
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{
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// Point arith
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Point sum = Point(1, 2) + Point(10, 20);
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Point diff = Point(-1, -2) - Point(10, 20);
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EXPECT_TRUE(sum.GetX() == 11 && sum.GetY() == 22);
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EXPECT_TRUE(diff.GetX() == -11 && diff.GetY() == -22);
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sum += Point(100, 200);
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diff -= Point(100, 200);
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EXPECT_TRUE(sum.GetX() == 111 && sum.GetY() == 222);
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EXPECT_TRUE(diff.GetX() == -111 && diff.GetY() == -222);
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sum /= 111;
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diff *= 2;
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EXPECT_TRUE(sum == Point(1, 2));
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EXPECT_TRUE(diff == Point(-222, -444));
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EXPECT_TRUE(sum * 2 == Point(2, 4));
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EXPECT_TRUE(diff / 2 == Point(-111, -222));
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}
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{
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// Rect basic ops
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Rect r(1,2,3,4);
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EXPECT_TRUE(r.GetX() == 1 && r.GetY() == 2 && r.GetW() == 3 && r.GetH() == 4);
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EXPECT_TRUE(r == Rect(1,2,3,4));
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EXPECT_TRUE(r != Rect(2,2,3,4));
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EXPECT_TRUE(r != Rect(1,3,3,4));
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EXPECT_TRUE(r != Rect(1,2,4,4));
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EXPECT_TRUE(r != Rect(1,2,3,5));
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EXPECT_TRUE(r.x == 1 && r.y == 2 && r.w == 3 && r.h == 4);
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r.SetX(5);
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r.SetY(6);
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r.SetW(7);
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r.SetH(8);
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EXPECT_TRUE(r.GetX() == 5 && r.GetY() == 6 && r.GetW() == 7 && r.GetH() == 8);
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EXPECT_TRUE(r == Rect(5,6,7,8));
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EXPECT_TRUE(r.x == 5 && r.y == 6 && r.w == 7 && r.h == 8);
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r = Rect(9,10,11,12);
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EXPECT_TRUE(r.GetX() == 9 && r.GetY() == 10 && r.GetW() == 11 && r.GetH() == 12);
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EXPECT_TRUE(r == Rect(9,10,11,12));
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EXPECT_TRUE(r.x == 9 && r.y == 10 && r.w == 11 && r.h == 12);
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}
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{
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// Rect self assignment
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Rect r(13,14,15,16);
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r = Rect(17,18,19,20);
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r = r;
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EXPECT_TRUE(r.GetX() == 17 && r.GetY() == 18 && r.GetW() == 19 && r.GetH() == 20);
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}
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{
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// Rect self move assignment
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Rect r(21,22,23,24);
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r = Rect(25,26,27,28);
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r = std::move(r);
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EXPECT_TRUE(r.GetX() == 25 && r.GetY() == 26 && r.GetW() == 27 && r.GetH() == 28);
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}
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{
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// Rect second point stuff
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Rect r(50,100,5,10);
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EXPECT_TRUE(r.GetX2() == 54 && r.GetY2() == 109);
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r.SetX2(50+15);
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r.SetY2(100+30);
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EXPECT_TRUE(r.GetW() == 16 && r.GetH() == 31);
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}
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{
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// Constructors
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EXPECT_EQUAL(Rect::FromCenter(100, 100, 5, 7), Rect(98, 97, 5, 7));
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EXPECT_EQUAL(Rect::FromCenter(Point(100, 100), Point(5, 7)), Rect(98, 97, 5, 7));
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EXPECT_EQUAL(Rect::FromCorners(10, 20, 30, 40), Rect(10, 20, 21, 21));
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EXPECT_EQUAL(Rect::FromCorners(Point(10, 20), Point(30, 40)), Rect(10, 20, 21, 21));
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}
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{
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// Rect contains point
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Rect r(10, 20, 5, 5);
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EXPECT_TRUE(r.Contains(Point(10, 20)));
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EXPECT_TRUE(r.Contains(Point(14, 24)));
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EXPECT_TRUE(!r.Contains(Point(9, 20)));
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EXPECT_TRUE(!r.Contains(Point(10, 19)));
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EXPECT_TRUE(!r.Contains(Point(15, 20)));
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EXPECT_TRUE(!r.Contains(Point(10, 25)));
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EXPECT_TRUE(r.Contains(10, 20));
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EXPECT_TRUE(r.Contains(14, 24));
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EXPECT_TRUE(!r.Contains(9, 20));
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EXPECT_TRUE(!r.Contains(10, 19));
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EXPECT_TRUE(!r.Contains(15, 20));
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EXPECT_TRUE(!r.Contains(10, 25));
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// Rect contains rect
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EXPECT_TRUE(r.Contains(r));
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EXPECT_TRUE(r.Contains(Rect(11, 21, 3, 3)));
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EXPECT_TRUE(!r.Contains(Rect(9, 20, 5, 5)));
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EXPECT_TRUE(!r.Contains(Rect(10, 19, 5, 5)));
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EXPECT_TRUE(!r.Contains(Rect(10, 20, 6, 5)));
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EXPECT_TRUE(!r.Contains(Rect(10, 20, 5, 6)));
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}
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{
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// Rect intersections
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// test both GetIntersection() and Intersects() as the former uses the latter
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Rect rect(10, 20, 30, 40);
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EXPECT_TRUE(rect.Intersects(rect));
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EXPECT_TRUE(rect.GetIntersection(rect) == rect);
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// simple intersection
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EXPECT_TRUE(rect.GetIntersection(Rect(5, 15, 30, 40)) == Rect(10, 20, 25, 35));
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EXPECT_TRUE(rect.GetIntersection(Rect(15, 25, 30, 40)) == Rect(15, 25, 25, 35));
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// larger at left
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 10, 80)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 11, 80)) == Rect(10, 20, 1, 40));
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// larger at top
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 50, 20)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 50, 21)) == Rect(10, 20, 30, 1));
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// larger at bottom
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 60, 50, 20)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 59, 50, 20)) == Rect(10, 59, 30, 1));
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// larger at right
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EXPECT_TRUE(rect.GetIntersection(Rect(40, 0, 20, 80)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(39, 0, 20, 80)) == Rect(39, 20, 1, 40));
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// smaller at left
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 30, 10, 20)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 30, 20, 20)) == Rect(10, 30, 10, 20));
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// smaller at top
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EXPECT_TRUE(rect.GetIntersection(Rect(20, 10, 10, 10)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(20, 10, 10, 20)) == Rect(20, 20, 10, 10));
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// smaller at bottom
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EXPECT_TRUE(rect.GetIntersection(Rect(20, 60, 10, 10)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(20, 50, 10, 20)) == Rect(20, 50, 10, 10));
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// smaller at right
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EXPECT_TRUE(rect.GetIntersection(Rect(40, 30, 10, 20)) == NullOpt);
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EXPECT_TRUE(rect.GetIntersection(Rect(30, 30, 20, 20)) == Rect(30, 30, 10, 20));
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// smaller
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EXPECT_TRUE(rect.GetIntersection(Rect(20, 30, 10, 20)) == Rect(20, 30, 10, 20));
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// larger
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EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 100, 100)) == rect);
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}
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{
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// Rect unions
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EXPECT_EQUAL(Rect(10, 20, 1, 1).GetUnion(Rect(30, 40, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(30, 20, 1, 1).GetUnion(Rect(10, 40, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(10, 40, 1, 1).GetUnion(Rect(30, 20, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(30, 40, 1, 1).GetUnion(Rect(10, 20, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(10, 20, 1, 1).Union(Rect(30, 40, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(30, 20, 1, 1).Union(Rect(10, 40, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(10, 40, 1, 1).Union(Rect(30, 20, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(30, 40, 1, 1).Union(Rect(10, 20, 1, 1)), Rect::FromCorners(10, 20, 30, 40));
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}
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{
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// Rect/line intersections
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Rect rect = Rect::FromCorners(10, 10, 20, 20);
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Point p1(0, 0), p2(30, 30);
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EXPECT_TRUE(rect.IntersectLine(p1, p2));
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EXPECT_EQUAL(p1, Point(10, 10));
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EXPECT_EQUAL(p2, Point(20, 20));
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int x1 = 30, y1 = 0, x2 = 0, y2 = 30;
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EXPECT_TRUE(rect.IntersectLine(x1, y1, x2, y2));
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EXPECT_EQUAL(x1, 20);
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EXPECT_EQUAL(y1, 10);
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EXPECT_EQUAL(x2, 10);
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EXPECT_EQUAL(y2, 20);
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}
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{
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// Rect extend
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EXPECT_EQUAL(Rect(10, 20, 30, 40).GetExtension(0), Rect(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(10, 20, 30, 40).GetExtension(10), Rect(0, 10, 50, 60));
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EXPECT_EQUAL(Rect(10, 20, 30, 40).Extend(0), Rect(10, 20, 30, 40));
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EXPECT_EQUAL(Rect(10, 20, 30, 40).Extend(10), Rect(0, 10, 50, 60));
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}
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{
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// Rect offset
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Rect r(1, 2, 3, 4);
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EXPECT_EQUAL(r + Point(10, 20), Rect(11, 22, 3, 4));
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EXPECT_EQUAL(r - Point(10, 20), Rect(-9, -18, 3, 4));
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r += Point(10, 20);
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EXPECT_EQUAL(r, Rect(11, 22, 3, 4));
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r -= Point(20, 40);
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EXPECT_EQUAL(r, Rect(-9, -18, 3, 4));
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}
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{
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// Construction from and comparison with SDL objects
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SDL_Rect sdlrect = { 1, 2, 3, 4 };
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SDL_Point sdlpoint = { 6, 7 };
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EXPECT_TRUE(Rect(sdlrect) == Rect(1, 2, 3, 4));
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EXPECT_TRUE(Point(sdlpoint) == Point(6, 7));
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EXPECT_TRUE(Rect(sdlrect) != Rect(0, 2, 3, 4));
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EXPECT_TRUE(Point(sdlpoint) != Point(0, 7));
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EXPECT_TRUE(Rect(1, 2, 3, 4) == sdlrect);
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EXPECT_TRUE(Point(6, 7) == sdlpoint);
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EXPECT_TRUE(Rect(0, 2, 3, 4) != sdlrect);
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EXPECT_TRUE(Point(0, 7) != sdlpoint);
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}
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{
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// clamp
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Rect rect(1, 2, 3, 4);
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EXPECT_EQUAL(Point(0, 0).GetClamped(rect), Point(1, 2));
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EXPECT_EQUAL(Point(0, 0).Clamp(rect), Point(1, 2));
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EXPECT_EQUAL(Point(10, 10).GetClamped(rect), Point(3, 5));
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EXPECT_EQUAL(Point(10, 10).Clamp(rect), Point(3, 5));
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}
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{
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// wrap
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EXPECT_EQUAL(Point(10, 20).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(39, 59).GetWrapped(Rect(10, 20, 30, 40)), Point(39, 59));
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EXPECT_EQUAL(Point(9, 20).GetWrapped(Rect(10, 20, 30, 40)), Point(39, 20));
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EXPECT_EQUAL(Point(40, 20).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(10, 19).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 59));
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EXPECT_EQUAL(Point(10, 60).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(-50, -60).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(-20, -20).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(10, 20).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(40, 60).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(70, 100).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(100, 140).GetWrapped(Rect(10, 20, 30, 40)), Point(10, 20));
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EXPECT_EQUAL(Point(-19, -19).GetWrapped(Rect(10, 20, 30, 40)), Point(11, 21));
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EXPECT_EQUAL(Point(-21, -21).GetWrapped(Rect(10, 20, 30, 40)), Point(39, 59));
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}
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{
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// streams
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std::stringstream stream;
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stream << Point(1, 2);
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EXPECT_EQUAL(stream.str(), "[x:1,y:2]");
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stream.str("");
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stream << Rect(1, 2, 3, 4);
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EXPECT_EQUAL(stream.str(), "[x:1,y:2,w:3,h:4]");
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}
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END_TEST()
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