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src/test/bezier_test.cpp
47 строк
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ChillerDragon
Add test suffix
22 ноя 2025, 16:34
22 ноя 2025, 16:34
7b943a4
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#include "test.h" #include <base/bezier.h> #include <gtest/gtest.h> // Due to the implementation, derivatives must be divisible by 3 to be exactly // represented. TEST(Bezier, Constant) { CCubicBezier Zero = CCubicBezier::With(0.0f, 0.0f, 0.0f, 0.0f); ASSERT_EQ(Zero.Evaluate(0.0f), 0.0f); ASSERT_EQ(Zero.Evaluate(0.3f), 0.0f); ASSERT_EQ(Zero.Evaluate(1.0f), 0.0f); ASSERT_EQ(Zero.Derivative(0.0f), 0.0f); ASSERT_EQ(Zero.Derivative(0.3f), 0.0f); ASSERT_EQ(Zero.Derivative(1.0f), 0.0f); CCubicBezier Five = CCubicBezier::With(5.0f, 0.0f, 0.0f, 5.0f); ASSERT_EQ(Five.Evaluate(0.0f), 5.0f); ASSERT_EQ(Five.Evaluate(0.3f), 5.0f); ASSERT_EQ(Five.Evaluate(1.0f), 5.0f); ASSERT_EQ(Five.Derivative(0.0f), 0.0f); ASSERT_EQ(Five.Derivative(0.3f), 0.0f); ASSERT_EQ(Five.Derivative(1.0f), 0.0f); } TEST(Bezier, Linear) { CCubicBezier TripleSlope = CCubicBezier::With(4.0f, 3.0f, 3.0f, 7.0f); ASSERT_EQ(TripleSlope.Evaluate(0.0f), 4.0f); ASSERT_EQ(TripleSlope.Evaluate(0.3f), 4.9f); ASSERT_EQ(TripleSlope.Evaluate(1.0f), 7.0f); ASSERT_EQ(TripleSlope.Derivative(0.0f), 3.0f); ASSERT_EQ(TripleSlope.Derivative(0.3f), 3.0f); ASSERT_EQ(TripleSlope.Derivative(1.0f), 3.0f); } TEST(Bezier, Arbitrary) { CCubicBezier Something = CCubicBezier::With(4.9f, 1.5f, -4.5f, 1.0f); ASSERT_EQ(Something.Evaluate(0.0f), 4.9f); ASSERT_EQ(Something.Evaluate(1.0f), 1.0f); ASSERT_EQ(Something.Derivative(0.0f), 1.5f); ASSERT_EQ(Something.Derivative(1.0f), -4.5f); }