46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#include "StarBlocksAlongLine.hpp"
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#include "StarList.hpp"
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#include "gtest/gtest.h"
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using namespace Star;
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void testLine(Vec2D a, Vec2D b, Vec2I offset, List<Vec2I> comp) {
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List<Vec2I> res;
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forBlocksAlongLine(a + Vec2D(offset),
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b - a,
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[&res](int x, int y) {
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res.append({x, y});
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return true;
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});
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for (auto& c : comp)
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c += offset;
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EXPECT_TRUE(comp == res);
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}
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void testGroup(Vec2I offset) {
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testLine(Vec2D(0.5, 0.5), Vec2D(0.5, 0.5), offset, {{0, 0}});
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testLine(Vec2D(-0.5, -0.5), Vec2D(-0.5, -0.5), offset, {{-1, -1}});
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testLine(Vec2D(-0.5, -0.5), Vec2D(0.5, 0.5), offset, {{-1, -1}, {0, 0}});
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testLine(Vec2D(0.5, 0.5), Vec2D(-0.5, -0.5), offset, {{0, 0}, {-1, -1}});
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testLine(Vec2D(-0.5, 0.5), Vec2D(0.5, -0.5), offset, {{-1, 0}, {0, -1}});
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testLine(Vec2D(0.5, -0.5), Vec2D(-0.5, 0.5), offset, {{0, -1}, {-1, 0}});
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testLine(Vec2D(0.5, -0.5), Vec2D(0.5, 0.5), offset, {{0, -1}, {0, 0}});
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testLine(Vec2D(-0.5, 0.5), Vec2D(0.5, 0.5), offset, {{-1, 0}, {0, 0}});
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testLine(Vec2D(0.0, 0.5), Vec2D(0.0, -0.5), offset, {{0, 0}, {0, -1}});
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testLine(Vec2D(0.5, 0.0), Vec2D(-0.5, 0.0), offset, {{0, 0}, {-1, 0}});
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}
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TEST(BlocksAlongLine, All) {
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testGroup({0, 0});
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testGroup({50, 50});
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testGroup({-5, -50});
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testGroup({50, -5});
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testGroup({100, 10});
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testGroup({-10, -100});
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testGroup({-10, 10});
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}
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