public void UpdateStringRef()
{
// source value is fixed with a constant rule
var rule = new UpdateRefValueRule <string>
{
SourceDataRule = new ConstantRule <string> {
Value = "something"
}
};
var compileResult = rule.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"UpdateRefValueRule<string>:{Environment.NewLine}" +
$"{rule.ExpressionDebugView()}");
var string1 = "one";
rule.RefUpdate(ref string1);
string1.Should().Be("something");
// source value shall come as argument
var rule2 = new UpdateRefValueRule <string>();
compileResult = rule2.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"UpdateRefValueRule<string, string>:{Environment.NewLine}" +
$"{rule2.ExpressionDebugView()}");
string1 = null;
rule2.RefUpdate(ref string1, "some other value");
string1.Should().Be("some other value");
}
public void UpdateIntRef()
{
var rule = new UpdateRefValueRule <int>
{
SourceDataRule = new ConstantRule <int> {
Value = "99"
}
};
var compileResult = rule.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{rule.ExpressionDebugView()}");
var myInt = 0;
rule.RefUpdate(ref myInt);
myInt.Should().Be(99);
var rule2 = new UpdateRefValueRule <int>();
compileResult = rule2.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"UpdateRefValueRule<int, int>:{Environment.NewLine}" +
$"{rule2.ExpressionDebugView()}");
rule2.RefUpdate(ref myInt, -99);
myInt.Should().Be(-99);
}