Test: add more unit tests

tests/src/Base/Tools3D.cpp

@@ -0,0 +1,93 @@
+#include "gtest/gtest.h"
+#include <Base/Tools3D.h>
+
+class Line3D: public ::testing::Test
+{
+protected:
+    Line3D()
+        : pt1(0, 0, 0)
+        , pt2(3, 4, 0)
+    {}
+    void SetUp() override
+    {}
+    void TearDown() override
+    {}
+    Base::Vector3d GetFirst() const
+    {
+        return pt1;
+    }
+    Base::Vector3d GetSecond() const
+    {
+        return pt2;
+    }
+    Base::Line3d GetLine() const
+    {
+        Base::Line3d line(pt1, pt2);
+        return line;
+    }
+
+private:
+    Base::Vector3d pt1, pt2;
+};
+
+TEST_F(Line3D, TestLength)
+{
+    Base::Line3d line(GetLine());
+    EXPECT_DOUBLE_EQ(line.Length(), 5.0);
+}
+
+TEST_F(Line3D, TestSqrLength)
+{
+    Base::Line3d line(GetLine());
+    EXPECT_DOUBLE_EQ(line.SqrLength(), 25.0);
+}
+
+TEST_F(Line3D, TestPoints)
+{
+    Base::Line3d line(GetLine());
+    EXPECT_EQ(line.GetBase(), GetFirst());
+    EXPECT_EQ(line.GetDirection(), GetSecond());
+}
+
+TEST_F(Line3D, TestFromPos)
+{
+    Base::Line3d line(GetLine());
+    EXPECT_EQ(line.FromPos(2.5), Base::Vector3d(1.5, 2, 0));
+}
+
+TEST_F(Line3D, TestContains)
+{
+    Base::Line3d line(GetLine());
+    EXPECT_EQ(line.Contains(Base::Vector3d(1.5, 2, 0)), true);
+}
+
+TEST(Polygon3D, TestDefault)
+{
+    Base::Polygon3d poly;
+    EXPECT_EQ(poly.GetSize(), 0);
+}
+
+TEST(Polygon3D, TestAdd)
+{
+    Base::Polygon3d poly;
+    poly.Add(Base::Vector3d());
+    EXPECT_EQ(poly.GetSize(), 1);
+}
+
+TEST(Polygon3D, TestRemove)
+{
+    Base::Polygon3d poly;
+    poly.Add(Base::Vector3d());
+    EXPECT_EQ(poly.GetSize(), 1);
+    EXPECT_EQ(poly.Remove(1), false);
+    EXPECT_EQ(poly.Remove(0), true);
+    EXPECT_EQ(poly.GetSize(), 0);
+}
+
+TEST(Polygon3D, TestClear)
+{
+    Base::Polygon3d poly;
+    poly.Add(Base::Vector3d());
+    poly.Clear();
+    EXPECT_EQ(poly.GetSize(), 0);
+}