241 lines
7.8 KiB
C++
241 lines
7.8 KiB
C++
#if GTEST
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#include <gtest/gtest.h>
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#include <math.h>
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#include <limits>
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#include "Angle.h"
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using namespace LinearAlgebra;
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#define FLOAT_INFINITY std::numeric_limits<float>::infinity()
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TEST(Angle8, Construct) {
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float angle = 0.0F;
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Angle8 a = Angle8::Degrees(angle);
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EXPECT_FLOAT_EQ(a.InDegrees(), angle);
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angle = -180.0F;
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a = Angle8::Degrees(angle);
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EXPECT_FLOAT_EQ(a.InDegrees(), angle);
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angle = 270.0F;
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a = Angle8::Degrees(angle);
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EXPECT_FLOAT_EQ(a.InDegrees(), -90);
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}
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TEST(Angle8, Negate) {
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float angle = 0;
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Angle8 a = Angle8::Degrees(angle);
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a = -a;
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EXPECT_FLOAT_EQ(a.InDegrees(), angle);
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angle = 90.0F;
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a = Angle8::Degrees(angle);
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a = -a;
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EXPECT_FLOAT_EQ(a.InDegrees(), -angle);
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}
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TEST(Angle8, Add) {
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Angle8 a = Angle8::Degrees(-45);
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Angle8 b = Angle8::Degrees(45.0F);
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Angle8 r = a + b;
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EXPECT_FLOAT_EQ(r.InDegrees(), 0);
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}
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TEST(Angle8, Subtract) {
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Angle8 a = Angle8::Degrees(0);
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Angle8 b = Angle8::Degrees(45.0F);
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Angle8 r = a - b;
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EXPECT_FLOAT_EQ(r.InDegrees(), -45);
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}
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TEST(Angle8, Compare) {
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Angle8 a = Angle8::Degrees(45);
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bool r = false;
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r = a > Angle8::Degrees(0);
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EXPECT_TRUE(r) << "45 > 0";
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r = a > Angle8::Degrees(90);
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EXPECT_FALSE(r) << "45 > 90";
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r = a > Angle8::Degrees(-90);
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EXPECT_TRUE(r) << "45 > -90";
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}
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TEST(Angle8, Normalize) {
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Angle8 r = Angle8();
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r = Angle8::Normalize(Angle8::Degrees(90.0f));
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EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "Normalize 90";
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r = Angle8::Normalize(Angle8::Degrees(-90));
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EXPECT_FLOAT_EQ(r.InDegrees(), -90) << "Normalize -90";
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r = Angle8::Normalize(Angle8::Degrees(270));
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EXPECT_FLOAT_EQ(r.InDegrees(), -90) << "Normalize 270";
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r = Angle8::Normalize(Angle8::Degrees(270 + 360));
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EXPECT_FLOAT_EQ(r.InDegrees(), -90) << "Normalize 270+360";
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r = Angle8::Normalize(Angle8::Degrees(-270));
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EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "Normalize -270";
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r = Angle8::Normalize(Angle8::Degrees(-270 - 360));
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EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "Normalize -270-360";
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r = Angle8::Normalize(Angle8::Degrees(0));
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "Normalize 0";
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if (false) { // std::numeric_limits<float>::is_iec559) {
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// Infinites are not supported
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r = Angle8::Normalize(Angle8::Degrees(FLOAT_INFINITY));
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EXPECT_FLOAT_EQ(r.InDegrees(), FLOAT_INFINITY) << "Normalize INFINITY";
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r = Angle8::Normalize(Angle8::Degrees(-FLOAT_INFINITY));
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EXPECT_FLOAT_EQ(r.InDegrees(), -FLOAT_INFINITY) << "Normalize INFINITY";
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}
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}
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TEST(Angle8, Clamp) {
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Angle8 r = Angle8();
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// Clamp(1, 0, 2) will fail because Angle8 does not have enough resolution for
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// this. Instead we use Clamp(10, 0, 20) etc.
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r = Angle8::Clamp(Angle8::Degrees(10), Angle8::Degrees(0),
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Angle8::Degrees(20));
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EXPECT_NEAR(r.InDegrees(), 10, 1.0e-0) << "Clamp 10 0 20";
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r = Angle8::Clamp(Angle8::Degrees(-10), Angle8::Degrees(0),
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Angle8::Degrees(20));
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "Clamp -10 0 20";
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r = Angle8::Clamp(Angle8::Degrees(30), Angle8::Degrees(0),
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Angle8::Degrees(20));
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EXPECT_NEAR(r.InDegrees(), 20, 1.0e-0) << "Clamp 30 0 20";
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r = Angle8::Clamp(Angle8::Degrees(10), Angle8::Degrees(0),
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Angle8::Degrees(0));
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "Clamp 10 0 0";
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r = Angle8::Clamp(Angle8::Degrees(0), Angle8::Degrees(0), Angle8::Degrees(0));
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "Clamp 0 0 0";
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r = Angle8::Clamp(Angle8::Degrees(0), Angle8::Degrees(10),
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Angle8::Degrees(-10));
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "Clamp 0 10 -10";
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if (false) { // std::numeric_limits<float>::is_iec559) {
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// Infinites are not supported
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r = Angle8::Clamp(Angle8::Degrees(10), Angle8::Degrees(0),
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Angle8::Degrees(FLOAT_INFINITY));
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EXPECT_NEAR(r.InDegrees(), 10, 1.0e-0) << "Clamp 1 0 INFINITY";
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r = Angle8::Clamp(Angle8::Degrees(10), Angle8::Degrees(-FLOAT_INFINITY),
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Angle8::Degrees(10));
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EXPECT_NEAR(r.InDegrees(), 10, 1.0e-0) << "Clamp 1 -INFINITY 1";
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}
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}
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// TEST(Angle8, Difference) {
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// Angle8 r = 0;
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// r = Angle8::Difference(0, 90);
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// EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "Difference 0 90";
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// r = Angle8::Difference(0, -90);
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// EXPECT_FLOAT_EQ(r.InDegrees(), -90) << "Difference 0 -90";
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// r = Angle8::Difference(0, 270);
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// EXPECT_FLOAT_EQ(r.InDegrees(), -90) << "Difference 0 270";
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// r = Angle8::Difference(0, -270);
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// EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "Difference 0 -270";
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// r = Angle8::Difference(90, 0);
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// EXPECT_FLOAT_EQ(r.InDegrees(), -90) << "Difference 90 0";
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// r = Angle8::Difference(-90, 0);
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// EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "Difference -90 0";
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// r = Angle8::Difference(0, 0);
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// EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "Difference 0 0";
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// r = Angle8::Difference(90, 90);
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// EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "Difference 90 90";
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// if (std::numeric_limits<float>::is_iec559) {
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// r = Angle8::Difference(0, INFINITY);
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// EXPECT_FLOAT_EQ(r.InDegrees(), INFINITY) << "Difference 0 INFINITY";
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// r = Angle8::Difference(0, -INFINITY);
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// EXPECT_FLOAT_EQ(r.InDegrees(), -INFINITY) << "Difference 0 -INFINITY";
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// r = Angle8::Difference(-INFINITY, INFINITY);
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// EXPECT_FLOAT_EQ(r.InDegrees(), INFINITY) << "Difference -INFINITY
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// INFINITY";
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// }
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// }
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TEST(Angle8, MoveTowards) {
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Angle8 r = Angle8();
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(90), 30);
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EXPECT_NEAR(r.InDegrees(), 30, 1.0e-0) << "MoveTowards 0 90 30";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(90), 90);
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EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "MoveTowards 0 90 90";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(-90), 180);
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EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "MoveTowards 0 -90 -180";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(90), 270);
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EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "MoveTowards 0 90 270";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(90), -30);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 90 -30";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(-90), -30);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 -90 -30";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(-90), -90);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 -90 -90";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(-90), -180);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 -90 -180";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(-90), -270);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 -90 -270";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(90), 0);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 90 0";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(0), 0);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 0 0";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(0), 30);
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EXPECT_FLOAT_EQ(r.InDegrees(), 0) << "MoveTowards 0 0 30";
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if (false) { // std::numeric_limits<float>::is_iec559) {
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// infinites are not supported
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(90),
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FLOAT_INFINITY);
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EXPECT_FLOAT_EQ(r.InDegrees(), 90) << "MoveTowards 0 90 FLOAT_INFINITY";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(FLOAT_INFINITY),
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30);
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EXPECT_FLOAT_EQ(r.InDegrees(), 30) << "MoveTowards 0 FLOAT_INFINITY 30";
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r = Angle8::MoveTowards(Angle8::Degrees(0), Angle8::Degrees(-90),
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-FLOAT_INFINITY);
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EXPECT_FLOAT_EQ(r.InDegrees(), FLOAT_INFINITY)
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<< "MoveTowards 0 -90 -FLOAT_INFINITY";
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r = Angle8::MoveTowards(Angle8::Degrees(0),
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Angle8::Degrees(-FLOAT_INFINITY), -30);
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EXPECT_FLOAT_EQ(r.InDegrees(), 30) << "MoveTowards 0 -FLOAT_INFINITY -30";
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}
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}
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#endif |