public async Task TestCustomHost()
{
var gen = new CustomHost {
TestProperty = 3
};
gen.Refs.Add(typeof(CustomHost).Assembly.Location);
gen.Imports.Add("Mono.TextTemplating.Tests");
var outFilename = "test.txt";
var result = await gen.ProcessTemplateAsync(
"test.tt",
"<#@ template hostspecific=\"true\" #><#= ((TextTemplatingSessionTests.CustomHost)Host).TestProperty * 5 #>",
outFilename
);
Assert.True(result.success);
Assert.Equal("15", result.content);
}