operator_overloading_test.go

package gscript

import "testing"

func TestOperator(t *testing.T) {
	script := `
class Person{
	int age;
	Person(int a){
		age = a;
	}
}
Person operator + (Person p1, Person p2){
	Person pp = Person(p1.age+p2.age);
	return pp;
}
Person operator - (Person p1, Person p2){
	Person pp = Person(p1.age-p2.age);
	return pp;
}
Person operator * (Person p1, Person p2){
	Person pp = Person(p1.age * p2.age);
	return pp;
}
Person operator / (Person p1, Person p2){
	Person pp = Person(p1.age / p2.age);
	return pp;
}
bool operator == (Person p1, Person p2){
	return p1.age==p2.age;
}
bool operator != (Person p1, Person p2){
	return p1.age!=p2.age;
}
bool operator > (Person p1, Person p2){
	return p1.age>p2.age;
}
bool operator >= (Person p1, Person p2){
	return p1.age>=p2.age;
}
bool operator < (Person p1, Person p2){
	return p1.age<p2.age;
}
bool operator <= (Person p1, Person p2){
	return p1.age<=p2.age;
}
Person p1 = Person(10);
Person p2 = Person(20);
//Person p3 =  operator(p1,p2);
Person p3 = p1+p2;
println("p3.age="+p3.age);
assertEqual(p3.age, 30);

Person p4 = p1-p2;
println("p4.age="+p4.age);
println(100-10);

Person p5 = p1*p2;
println("p5.age="+p5.age);
assertEqual(p5.age, 200);

Person p6 = p2/p1;
println("p6.age="+p6.age);
assertEqual(p6.age, 2);

bool b1 = p1 == p2;
println("b1=="+b1);
assertEqual(b1,false);

bool b2 = p1 != p2;
println("b2=="+b2);
assertEqual(b2,true);

bool b3 = p1 > p2;
println("b3=="+b3);
assertEqual(b3,false);

bool b4 = p1 >= p2;
println("b4=="+b4);
assertEqual(b4,false);

bool b5 = p1 < p2;
println("b5=="+b5);
assertEqual(b5,true);

bool b6 = p1 <= p2;
println("b6=="+b6);
assertEqual(b6,true);
`
	NewCompiler().Compiler(script)
}