public void if_then_expression_infers_type_and_returns_nil_of_that_type()
{
// nil && 1
var target = new IfThenElseExpression
{
Test = new BoolLiteral(false),
Then = new StringLiteralExpression("\"abc\""),
Else = new NullLiteralExpression(),
};
AstHelper helper = Mother.CreateRuntime();
var result = target.Compile(helper).Eval<string>();
Assert.AreEqual(null, result);
}
public void if_then_expression_infers_type_when_one_value_is_nil()
{
// nil && 1
var target = new IfThenElseExpression
{
Test = new BoolLiteral(true),
Then = new StringLiteralExpression("\"abc\""),
Else = new NullLiteralExpression(),
};
AstHelper helper = Mother.CreateRuntime();
var result = target.Compile(helper).Eval<string>();
Assert.AreEqual("abc", result);
}