Mike-Solar
f03b6b58ff
Run clang-format over all project C/C++ source and header files (.c, .cpp, .cc, .h, .hpp, .hh, .m, .mm) under app/ and tests/. Non-source files (svg, qm, qrc, etc.) were not touched.
121 lines
2.7 KiB
C++
121 lines
2.7 KiB
C++
#include <gtest/gtest.h>
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#include "olive/core/util/bezier.h"
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using namespace olive::core;
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TEST(CoreBezier, DefaultConstruction)
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{
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Bezier b;
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EXPECT_DOUBLE_EQ(b.x(), 0.0);
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EXPECT_DOUBLE_EQ(b.y(), 0.0);
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EXPECT_DOUBLE_EQ(b.cp1_x(), 0.0);
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EXPECT_DOUBLE_EQ(b.cp1_y(), 0.0);
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EXPECT_DOUBLE_EQ(b.cp2_x(), 0.0);
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EXPECT_DOUBLE_EQ(b.cp2_y(), 0.0);
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}
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TEST(CoreBezier, ValueConstruction)
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{
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Bezier b(1.0, 2.0);
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EXPECT_DOUBLE_EQ(b.x(), 1.0);
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EXPECT_DOUBLE_EQ(b.y(), 2.0);
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}
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TEST(CoreBezier, FullConstruction)
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{
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Bezier b(1.0, 2.0, 3.0, 4.0, 5.0, 6.0);
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EXPECT_DOUBLE_EQ(b.x(), 1.0);
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EXPECT_DOUBLE_EQ(b.y(), 2.0);
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EXPECT_DOUBLE_EQ(b.cp1_x(), 3.0);
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EXPECT_DOUBLE_EQ(b.cp1_y(), 4.0);
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EXPECT_DOUBLE_EQ(b.cp2_x(), 5.0);
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EXPECT_DOUBLE_EQ(b.cp2_y(), 6.0);
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}
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TEST(CoreBezier, Setters)
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{
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Bezier b;
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b.set_x(10.0);
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b.set_y(20.0);
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b.set_cp1_x(30.0);
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b.set_cp1_y(40.0);
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b.set_cp2_x(50.0);
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b.set_cp2_y(60.0);
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EXPECT_DOUBLE_EQ(b.x(), 10.0);
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EXPECT_DOUBLE_EQ(b.y(), 20.0);
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EXPECT_DOUBLE_EQ(b.cp1_x(), 30.0);
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EXPECT_DOUBLE_EQ(b.cp1_y(), 40.0);
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EXPECT_DOUBLE_EQ(b.cp2_x(), 50.0);
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EXPECT_DOUBLE_EQ(b.cp2_y(), 60.0);
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}
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TEST(CoreBezier, QuadraticXtoT)
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{
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double t = Bezier::QuadraticXtoT(0.5, 0.0, 0.5, 1.0);
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EXPECT_NEAR(t, 0.5, 0.00001);
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t = Bezier::QuadraticXtoT(0.0, 0.0, 0.5, 1.0);
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EXPECT_NEAR(t, 0.0, 0.00001);
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t = Bezier::QuadraticXtoT(1.0, 0.0, 0.5, 1.0);
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EXPECT_NEAR(t, 1.0, 0.00001);
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}
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TEST(CoreBezier, QuadraticTtoY)
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{
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EXPECT_NEAR(Bezier::QuadraticTtoY(0.0, 0.5, 1.0, 0.0), 0.0, 0.00001);
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EXPECT_NEAR(Bezier::QuadraticTtoY(0.0, 0.5, 1.0, 0.5), 0.5, 0.00001);
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EXPECT_NEAR(Bezier::QuadraticTtoY(0.0, 0.5, 1.0, 1.0), 1.0, 0.00001);
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}
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TEST(CoreBezier, QuadraticXtoY)
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{
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Imath::V2d a(0.0, 0.0);
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Imath::V2d b(0.5, 0.5);
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Imath::V2d c(1.0, 1.0);
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EXPECT_NEAR(Bezier::QuadraticXtoY(0.5, a, b, c), 0.5, 0.00001);
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}
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TEST(CoreBezier, CubicXtoT)
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{
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double t = Bezier::CubicXtoT(0.5, 0.0, 0.33, 0.66, 1.0);
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EXPECT_NEAR(t, 0.5, 0.01);
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}
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TEST(CoreBezier, CubicTtoY)
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{
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EXPECT_NEAR(Bezier::CubicTtoY(0.0, 0.33, 0.66, 1.0, 0.0), 0.0, 0.00001);
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EXPECT_NEAR(Bezier::CubicTtoY(0.0, 0.33, 0.66, 1.0, 1.0), 1.0, 0.00001);
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}
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TEST(CoreBezier, CubicXtoY)
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{
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Imath::V2d a(0.0, 0.0);
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Imath::V2d b(0.33, 0.0);
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Imath::V2d c(0.66, 1.0);
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Imath::V2d d(1.0, 1.0);
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double y = Bezier::CubicXtoY(0.5, a, b, c, d);
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EXPECT_GE(y, 0.0);
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EXPECT_LE(y, 1.0);
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}
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TEST(CoreBezier, VectorConverters)
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{
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Bezier b(1.0, 2.0, 3.0, 4.0, 5.0, 6.0);
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Imath::V2d v = b.to_vec();
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EXPECT_DOUBLE_EQ(v.x, 1.0);
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EXPECT_DOUBLE_EQ(v.y, 2.0);
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Imath::V2d cp1 = b.control_point_1_to_vec();
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EXPECT_DOUBLE_EQ(cp1.x, 3.0);
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EXPECT_DOUBLE_EQ(cp1.y, 4.0);
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Imath::V2d cp2 = b.control_point_2_to_vec();
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EXPECT_DOUBLE_EQ(cp2.x, 5.0);
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EXPECT_DOUBLE_EQ(cp2.y, 6.0);
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}
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