TEST(Polinom, can_delete) {
Polinom a;
a.AddElement(monom(2, 100));
Polinom b;
b.AddElement(monom(0, 100));
b = a;
EXPECT_EQ(2, b[0].GetCoefficient());
}
TEST(Polinom, can_add_two_monoms)
{
Polinom a;
a.AddElement(monom(2, 1));
a.AddElement(monom(5, 10));
EXPECT_EQ(5, a[0].GetCoefficient());
EXPECT_EQ(2, a[1].GetCoefficient());
}
TEST(Polinom, can_add_double) {
Polinom a;
a.AddElement(monom(0.5, 100));
Polinom b;
b.AddElement(monom(0.5, 100));
a = a + b;
EXPECT_EQ(1, a.GetLength());
EXPECT_EQ(1, a[0].GetCoefficient());
}
TEST(Polinom, can_simplify_whith_null) {
Polinom a;
a.AddElement(monom(10, 100));
a.AddElement(monom(0, 200));
//10|300
a.Simplify();
EXPECT_EQ(1, a.GetLength());
EXPECT_EQ(10, a[0].GetCoefficient());
}
TEST(Polinom, can_add_null_2) {
Polinom a;
a.AddElement(monom(2, 100));
Polinom b;
b.AddElement(monom(0, 110));
Polinom c;
c = a + b;
EXPECT_EQ(1, c.GetLength());
EXPECT_EQ(2, c[0].GetCoefficient());
}
TEST(Polinom, can_simplify) {
Polinom a;
a.AddElement(monom(3, 100));
a.AddElement(monom(5, 200));
a.AddElement(monom(1, 200));
// 1|200,5|200,3|100
a.Simplify();
EXPECT_EQ(2,a.GetLength());
EXPECT_EQ(6, a[0].GetCoefficient());
EXPECT_EQ(3, a[1].GetCoefficient());
}
TEST(Polinom, can_minus_null_2) {
Polinom a;
a.AddElement(monom(2, 100));
a.AddElement(monom(3, 200));
Polinom b;
b.AddElement(monom(0, 110));
Polinom c;
c = a - b;
EXPECT_EQ(2, c.GetLength());
EXPECT_EQ(3, c[0].GetCoefficient());
EXPECT_EQ(2, c[1].GetCoefficient());
}
TEST(Polinom, can_minus) {
Polinom a;
a.AddElement(monom(2, 100));
a.AddElement(monom(2, 200));
Polinom b;
b.AddElement(monom(1, 100));
b.AddElement(monom(4, 200));
Polinom c;
c = a - b;
EXPECT_EQ(2, c.GetLength());
EXPECT_EQ(-2, c[0].GetCoefficient());
EXPECT_EQ(1, c[1].GetCoefficient());
}
TEST(Polinom, can_multiply_polinom_whith_polinom) {
Polinom a;
a.AddElement(monom(1, 100));
a.AddElement(monom(1, 10));
Polinom c = a * a;
EXPECT_EQ(3, c.GetLength());
EXPECT_EQ(1, c[0].GetCoefficient());
EXPECT_EQ(200, c[0].GetDegree());
EXPECT_EQ(2, c[1].GetCoefficient());
EXPECT_EQ(110, c[1].GetDegree());
EXPECT_EQ(1, c[2].GetCoefficient());
EXPECT_EQ(20, c[2].GetDegree());
}
TEST(Polinom, can_add) {
Polinom a;
a.AddElement(monom(1, 100));
a.AddElement(monom(2, 200));
Polinom b;
b.AddElement(monom(1, 100));
b.AddElement(monom(3, 300));
Polinom c;
c = a + b;
EXPECT_EQ(3, c.GetLength());
EXPECT_EQ(3, c[0].GetCoefficient());
EXPECT_EQ(2, c[1].GetCoefficient());
EXPECT_EQ(2, c[2].GetCoefficient());
}
TEST(Polinom, can_copy) {
Polinom a;
a.AddElement(monom(2,1));
Polinom b(a);
EXPECT_EQ(a[0].GetCoefficient(),b[0].GetCoefficient());
EXPECT_EQ(a.GetLength(), b.GetLength());
}
TEST(Polinom, can_not_multiply_polinom_whith_large_monom) {
Polinom a;
a.AddElement(monom(1, 100));
a.AddElement(monom(2, 200));
monom b(3, 900);
Polinom c; // 6|300,3|200
EXPECT_ANY_THROW(c = a * b);
}
TEST(Polinom, can_multiply_polinom_double) {
Polinom a;
a.AddElement(monom(0.5, 100));
Polinom c = a * a;
EXPECT_EQ(1, c.GetLength());
EXPECT_EQ(0.25, c[0].GetCoefficient());
EXPECT_EQ(200, c[0].GetDegree());
}
TEST(Polinom, can_add_polinoms_whithout_fhead) {
Polinom a;
a.AddElement(monom(1, 100));
a.AddElement(monom(2, 200));
Polinom b;
a = a + b;
EXPECT_EQ(2, a.GetLength());
}
TEST(Polinom, can_simplify_2) {
Polinom a;
a.AddElement(monom(3, 100));
a.AddElement(monom(5, 200));
a.AddElement(monom(1, 200));
a.AddElement(monom(2, 200));
std::cout << a[0].GetCoefficient() << std::endl;
std::cout << a[1].GetCoefficient() << std::endl;
std::cout << a[2].GetCoefficient() << std::endl;
std::cout << a[3].GetCoefficient() << std::endl;
//2|200,1|200,5|200,3|100
a.Simplify();
EXPECT_EQ(2, a.GetLength());
EXPECT_EQ(8, a[0].GetCoefficient());
EXPECT_EQ(3, a[1].GetCoefficient());
}
TEST(Polinom, can_minus_whith_empty) {
Polinom a;
a.AddElement(monom(2, 100));
a.AddElement(monom(2, 200));
Polinom b;
Polinom c = a - b;
EXPECT_EQ(2, c.GetLength());
EXPECT_EQ(2, c[0].GetCoefficient());
EXPECT_EQ(2, c[1].GetCoefficient());
}
TEST(Polinom, can_simplify_3) {
Polinom a;
a.AddElement(monom(10, 100));
a.AddElement(monom(5, 200));
a.AddElement(monom(1, 200));
a.AddElement(monom(4, 300));
a.AddElement(monom(1, 300));
std::cout << a[0].GetCoefficient() << std::endl;
std::cout << a[1].GetCoefficient() << std::endl;
std::cout << a[2].GetCoefficient() << std::endl;
std::cout << a[3].GetCoefficient() << std::endl;
std::cout << a[4].GetCoefficient() << std::endl;
//1|300,4|300,1|200,5|200,10|100
a.Simplify();
EXPECT_EQ(3, a.GetLength());
EXPECT_EQ(5, a[0].GetCoefficient());
EXPECT_EQ(6, a[1].GetCoefficient());
EXPECT_EQ(10, a[2].GetCoefficient());
}
TEST(Polinom, can_multiply_polinom_monom) {
Polinom a;
a.AddElement(monom(1, 100));
a.AddElement(monom(2, 200));
monom b(3,100);
Polinom c; // 6|300,3|200
c = a * b;
EXPECT_EQ(2, c.GetLength());
EXPECT_EQ(6, c[0].GetCoefficient());
EXPECT_EQ(3, c[1].GetCoefficient());
EXPECT_EQ(300, c[0].GetDegree());
EXPECT_EQ(200, c[1].GetDegree());
}
TEST(Polinom, can_multiply_polinom_const) {
Polinom a;
a.AddElement(monom(1, 100));
a.AddElement(monom(2, 200));
monom b(2, 000); //константа => моном вида (const, 000)
Polinom c;
c = a * b;
EXPECT_EQ(2, c.GetLength());
EXPECT_EQ(4, c[0].GetCoefficient());
EXPECT_EQ(2, c[1].GetCoefficient());
EXPECT_EQ(200, c[0].GetDegree());
EXPECT_EQ(100, c[1].GetDegree());
}
