protected override void Prepare()
{
engine = new ChakraCoreJsEngine();
engine.EmbedHostObject("log", new Action <object>(Console.WriteLine));
engine.Execute("const window = this;");
engine.Execute("const exports = {};");
engine.Execute(Compiler);
if (!engine.HasVariable("transform"))
{
throw new InvalidOperationException("Missing compiler");
}
}
public void MappingRuntimeErrorDuringOutOfMemoryIsCorrect()
{
// Arrange
const string input = @"var arr = [];
for (var i = 0; i < 10000; i++) {
arr.push('Current date: ' + new Date());
}";
JsRuntimeException exception = null;
// Act
using (IJsEngine jsEngine = new ChakraCoreJsEngine(
new ChakraCoreSettings
{
MemoryLimit = new UIntPtr(2 * 1024 * 1024)
}
))
{
try
{
jsEngine.Execute(input);
}
catch (JsRuntimeException e)
{
exception = e;
}
}
// Assert
Assert.NotNull(exception);
Assert.Equal("Runtime error", exception.Category);
Assert.Equal("Out of memory", exception.Description);
}
/// <summary>
/// Composes a new MIDI file based on the given seed
/// </summary>
/// <param name="seed"></param>
/// <returns></returns>
public static Composition Compose(string seed)
{
using (var engine = new ChakraCoreJsEngine())
{
foreach (var script in scripts)
{
engine.Execute(script);
}
var result = engine.CallFunction <string>("exportMidi", seed);
var midiBytes = result.Split(',').Select(str => Convert.ToByte(str)).ToArray();
return(new Composition(seed, new MemoryStream(midiBytes)));
}
}
public void Execute(string code)
{
_scriptEngine.Execute(code);
}
public void Execute(string expression)
{
_jsEngine.Execute(expression);
}
protected void Execute(string code)
{
_jsEngine.Execute(code);
}