public void Format_WithoutColon_ReadsWholeExpression()
{
//arrange
var expr = new FormatExpression("{foo}");
//assert
Assert.AreEqual("foo", expr.Expression);
}
public void Format_WithExpressionReturningNull_ReturnsEmptyString()
{
//arrange
var expr = new FormatExpression("{foo}");
//assert
Assert.AreEqual(string.Empty, expr.Eval(new {foo = (string)null}));
}
public void Format_WithColon_ParsesoutFormat()
{
//arrange
var expr = new FormatExpression("{foo:#.##}");
//assert
Assert.AreEqual("#.##", expr.Format);
}
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);
}