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v1.4.4

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Aria 2025-03-21 22:23:30 +11:00
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source/test/blocks_along_line_test.cpp Normal file
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#include "StarBlocksAlongLine.hpp"
#include "StarList.hpp"
#include "gtest/gtest.h"
using namespace Star;
void testLine(Vec2D a, Vec2D b, Vec2I offset, List<Vec2I> comp) {
List<Vec2I> res;
forBlocksAlongLine(a + Vec2D(offset),
b - a,
[&res](int x, int y) {
res.append({x, y});
return true;
});
for (auto& c : comp)
c += offset;
EXPECT_TRUE(comp == res);
}
void testGroup(Vec2I offset) {
testLine(Vec2D(0.5, 0.5), Vec2D(0.5, 0.5), offset, {{0, 0}});
testLine(Vec2D(-0.5, -0.5), Vec2D(-0.5, -0.5), offset, {{-1, -1}});
testLine(Vec2D(-0.5, -0.5), Vec2D(0.5, 0.5), offset, {{-1, -1}, {0, 0}});
testLine(Vec2D(0.5, 0.5), Vec2D(-0.5, -0.5), offset, {{0, 0}, {-1, -1}});
testLine(Vec2D(-0.5, 0.5), Vec2D(0.5, -0.5), offset, {{-1, 0}, {0, -1}});
testLine(Vec2D(0.5, -0.5), Vec2D(-0.5, 0.5), offset, {{0, -1}, {-1, 0}});
testLine(Vec2D(0.5, -0.5), Vec2D(0.5, 0.5), offset, {{0, -1}, {0, 0}});
testLine(Vec2D(-0.5, 0.5), Vec2D(0.5, 0.5), offset, {{-1, 0}, {0, 0}});
testLine(Vec2D(0.0, 0.5), Vec2D(0.0, -0.5), offset, {{0, 0}, {0, -1}});
testLine(Vec2D(0.5, 0.0), Vec2D(-0.5, 0.0), offset, {{0, 0}, {-1, 0}});
}
TEST(BlocksAlongLine, All) {
testGroup({0, 0});
testGroup({50, 50});
testGroup({-5, -50});
testGroup({50, -5});
testGroup({100, 10});
testGroup({-10, -100});
testGroup({-10, 10});
}