public void EqualsWhenValueIsNull()
{
ConstantExpression expr1 = new ConstantExpression(null);
ConstantExpression expr2 = new ConstantExpression(null);
ConstantExpression expr3 = new ConstantExpression("foo");
Assert.IsTrue(expr1.Equals(expr1));
Assert.IsTrue(expr1.Equals(expr2));
Assert.IsTrue(expr2.Equals(expr1));
Assert.AreEqual(expr1.GetHashCode(), expr2.GetHashCode());
Assert.IsFalse(expr1.Equals(expr3));
Assert.IsFalse(expr3.Equals(expr1));
}
public void FhirPath_Expression_Equals()
{
Expression x = new ConstantExpression("hi there");
Expression y = new VariableRefExpression("hi there");
Assert.IsFalse(x.Equals(y));
Assert.IsFalse(x == y);
}
public void Equals()
{
ConstantExpression expr1 = new ConstantExpression(123);
ConstantExpression expr2 = new ConstantExpression(124);
ConstantExpression expr3 = new ConstantExpression(123);
Assert.IsTrue(expr1.Equals(expr1));
Assert.IsTrue(expr1.Equals(expr3));
Assert.IsTrue(expr3.Equals(expr1));
Assert.AreEqual(expr1.GetHashCode(), expr3.GetHashCode());
Assert.IsFalse(expr1.Equals(123));
Assert.IsFalse(expr1.Equals(expr2));
Assert.IsFalse(expr2.Equals(expr1));
Assert.IsFalse(expr1.Equals(null));
}
