public void Format_WithExpressionReturningNull_DoesNotThrowException()
{
//arrange
var expr = new FormatExpression("{foo}");
//assert
Assert.That(expr.Eval(new { foo = (object)null }), Is.Empty);
}
public void Format_WithExpressionReturningNull_ReturnsEmptyString()
{
//arrange
var expr = new FormatExpression("{foo}");
//assert
Assert.AreEqual(string.Empty, expr.Eval(new { foo = (string)null }));
}
public void Eval_WithNamedExpressionAndFormat_EvalsPropertyOfExpression()
{
//arrange
var expr = new FormatExpression("{foo:#.##}");
//act
var result = expr.Eval(new { foo = 1.23456 });
//assert
Assert.That(result, Is.EqualTo("1.23"));
}
public void Eval_WithNamedExpression_EvalsPropertyOfExpression()
{
//arrange
var expr = new FormatExpression("{foo}");
//act
string result = expr.Eval(new { foo = 123 });
//assert
Assert.AreEqual("123", result);
}
public void Eval_WithNamedExpressionAndFormat_EvalsPropertyOfExpression()
{
//arrange
var expr = new FormatExpression("{foo:#.##}");
//act
string result = expr.Eval(new { foo = 1.23456 });
//assert
float expected = 1.23f;
Assert.AreEqual(expected.ToString(), result);
}
static string Eval(string exp)
{
return(FormatExpression.Eval(new DummyEvaluator(), exp));
}