45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
#include "istd_util/vec2.h"
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#include <cassert>
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using namespace istd;
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int main() {
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Vec2 v1(3.0f, 4.0f);
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Vec2 v2(1.0f, 2.0f);
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// Test length and length_squared
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assert(v1.length() == 5.0f);
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assert(v1.length_squared() == 25.0f);
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// Test normalized
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Vec2 n = v1.normalized();
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assert(std::abs(n.length() - 1.0f) < 1e-6);
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// Test addition and subtraction
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Vec2 v3 = v1 + v2;
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assert(v3.x == 4.0f && v3.y == 6.0f);
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Vec2 v4 = v1 - v2;
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assert(v4.x == 2.0f && v4.y == 2.0f);
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// Test floor and round
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Vec2 v5(1.7f, -2.3f);
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auto f = v5.floor();
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auto r = v5.round();
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assert(f == std::make_tuple(1, -3));
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assert(r == std::make_tuple(2, -2));
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// Test inf and invalid
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Vec2 vinf = Vec2::inf();
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assert(std::isinf(vinf.x) && std::isinf(vinf.y));
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Vec2 vinvalid = Vec2::invalid();
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assert(std::isnan(vinvalid.x) && std::isnan(vinvalid.y));
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// Test is_valid
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assert(v1.is_valid());
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assert(!vinvalid.is_valid());
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// Test static dot and cross
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assert(Vec2::dot(v1, v2) == 11.0f);
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assert(Vec2::cross(v1, v2) == 2.0f);
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return 0;
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}
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