private void loadJsClassFile(string classpath, string classname)
{
string safeClasspath = classpath.Replace("..\\", "");
string path = System.IO.Path.Combine(JS_SRC_PATH, safeClasspath + ".js");
_jsContext.Execute(File.ReadAllText(path));
}
public void SetJsIntegerProperty()
{
using (JsContext js = jsEngine.CreateContext())
{
var v = 42;
js.Execute("var x = {}");
var x = js.GetVariable("x") as JsObject;
x["the_answer"] = v;
Assert.That(js.Execute("x.the_answer"), Is.EqualTo(v));
}
}
/// <summary>
/// Evaluates the specified JavaScript expression
/// </summary>
/// <param name="expression">Expression to evaluate</param>
/// <returns>Result of the expression</returns>
protected override object InnerEvaluate(string expression)
{
try
{
return(_context.Execute(expression));
}
catch (OriginalJsException ex)
{
throw ConvertJavaScriptExceptionToJsRuntimeException(ex);
}
}
public void SetJsStringProperty()
{
using (JsContext js = jsEngine.CreateContext())
{
var v = "This was set from managed code!";
js.Execute("var x = {}");
var x = js.GetVariable("x") as JsObject;
x["a_string"] = v;
Assert.That(js.Execute("x.a_string"), Is.EqualTo(v));
}
}
public void AccessPropertiesAndCallMethodsTest()
{
using (JsEngine js = new JsEngine(4, 32))
{
using (JsContext context = js.CreateContext())
{
context.SetVariable("m", new Test());
context.Execute("m.Value = 42");
var result = context.Execute("m.PrintValue('And the answer is (again!):')");
Assert.AreEqual(result, "And the answer is (again!): 42");
}
}
}
static void TestCase1()
{
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
JsTypeDefinition jstypedef = new JsTypeDefinition("AA");
jstypedef.AddMember(new JsMethodDefinition("B", args =>
{
args.SetResult(100);
}));
jstypedef.AddMember(new JsMethodDefinition("C", args =>
{
args.SetResult(true);
}));
//===============================================================
//create js engine and context
using (JsEngine engine = new JsEngine())
using (JsContext ctx = engine.CreateContext())
{
if (!jstypedef.IsRegisterd)
{
ctx.RegisterTypeDefinition(jstypedef);
}
GC.Collect();
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Start();
TestMe1 t1 = new TestMe1();
var proxy = ctx.CreateWrapper(t1, jstypedef);
for (int i = 2000; i >= 0; --i)
{
ctx.SetVariableFromAny("x", proxy);
object result = ctx.Execute("(function(){if(x.C()){return x.B();}else{return 0;}})()");
}
//test value of
object re = ctx.Execute("(function(){function myNumberType(n) { this.number = n;}" +
"myNumberType.prototype.valueOf = function() { return this.number;};" +
"myObj = new myNumberType(4);" +
"return myObj + 3;" +
"})()");
stwatch.Stop();
Console.WriteLine("met1 template:" + stwatch.ElapsedMilliseconds.ToString());
//Assert.That(result, Is.EqualTo(100));
}
}
private void button8_Click(object sender, EventArgs e)
{
int version = JsBridge.LibVersion;
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
using (JsEngine engine = new JsEngine())
using (JsContext ctx = engine.CreateContext(new MyJsTypeDefinitionBuilder()))
{
GC.Collect();
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Reset();
stwatch.Start();
var ab = new AboutMe();
ctx.SetVariableAutoWrap("x", ab);
string testsrc = @"(function(){
x.AttachEvent('mousedown',function(evArgs){});
x.FireEventMouseDown({});
})()";
object result = ctx.Execute(testsrc);
stwatch.Stop();
Console.WriteLine("met1 template:" + stwatch.ElapsedMilliseconds.ToString());
}
}
public void CompilationException()
{
using (JsContext js = jsEngine.CreateContext())
{
js.Execute("a+§");
}
}
public void JsObjectException()
{
using (JsContext js = jsEngine.CreateContext())
{
js.Execute("throw {msg:'Error!'}");
}
}
public void SimpleExpressionException()
{
using (JsContext js = jsEngine.CreateContext())
{
js.Execute("throw 'xxx'");
}
}
static void TestColl1()
{
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
//create js engine and context
using (JsEngine engine = new JsEngine())
using (JsContext ctx = engine.CreateContext())
{
GC.Collect();
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Start();
string[] ta = { "test" };
ctx.SetVariableFromAny("ta", ta);
object result = ctx.Execute("(function(){return JSON.stringify(ta);})()");
//please parse the string with some json lib
//(eg Json.net) to check the first elem
if ((string)result != "[\"" + ta[0] + "\"]")
{
throw new Exception("!");
}
stwatch.Stop();
Console.WriteLine("result " + result);
Console.WriteLine("met3 managed reflection:" + stwatch.ElapsedMilliseconds.ToString());
}
}
static void TestCase2()
{
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
//create js engine and context
using (JsEngine engine = new JsEngine())
using (JsContext ctx = engine.CreateContext())
{
GC.Collect();
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Start();
TestMe1 t1 = new TestMe1();
for (int i = 2000; i >= 0; --i)
{
ctx.SetVariableFromAny("x", t1);
object result = ctx.Execute("(function(){if(x.C()){return x.B();}else{return 0;}})()");
}
stwatch.Stop();
Console.WriteLine("met2 managed reflection:" + stwatch.ElapsedMilliseconds.ToString());
//Assert.That(result, Is.EqualTo(100));
}
}
static void TestOverload()
{
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
//create js engine and context
using (JsEngine engine = new JsEngine())
using (JsContext ctx = engine.CreateContext())
{
GC.Collect();
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Start();
A <B> a = new A <B>();
Base base1 = new Base();
B b = new B();
//----
Console.WriteLine("pure .net behaviour");
//test .net side
a.Add(null); //Add(T a)
a.Add(b); //Add(T a)
a.Add(base1); //Add(Base a)
a.Add(new object()); // Add(object a)
a.Add(new object[0]); // Add(object a)
//----------
Console.WriteLine("----------");
Console.WriteLine("Espresso behaviour");
ctx.SetVariableFromAny("a", a);
ctx.SetVariableFromAny("b", b);
ctx.SetVariableFromAny("base1", base1);
ctx.Execute("(function(){a.Add(null);})()"); //Add(T a)
ctx.Execute("(function(){a.Add(b);})()"); //Add(T a)
ctx.Execute("(function(){a.Add(base1);})()"); //Add(Base a)
ctx.Execute("(function(){a.Add({});})()"); // Add(object a)
ctx.Execute("(function(){a.Add([]);})()"); // Add(object a)
// if we get to here, we haven't thrown the exception
stwatch.Stop();
Console.WriteLine("met4 managed reflection:" + stwatch.ElapsedMilliseconds.ToString());
}
}
public void GetJsIntegerProperty()
{
using (JsContext js = jsEngine.CreateContext())
{
js.Execute("var x = { the_answer: 42 }");
var x = js.GetVariable("x") as JsObject;
Assert.That(x["the_answer"], Is.EqualTo(42));
}
}
public void TestExecute()
{
var expr = JsContext.Execute(() => {
JsContext.Add(new JsCall("init"));
JsContext.Add(new JsCall("init2", 123));
});
Assert.AreEqual("init();init2(123);", expr.Encode());
}
public void GetJsStringProperty()
{
using (JsContext js = jsEngine.CreateContext())
{
js.Execute("var x = { a_string: 'This was set from Javascript!' }");
var x = js.GetVariable("x") as JsObject;
Assert.That(x["a_string"], Is.EqualTo("This was set from Javascript!"));
}
}
public void SetManagedStringProperty()
{
var t = new TestClass();
using (JsContext js = jsEngine.CreateContext())
{
js.SetVariableFromAny("o", t);
js.Execute("o.StringProperty = 'This was set from Javascript!'");
Assert.That(t.StringProperty, Is.EqualTo("This was set from Javascript!"));
}
}
private void button1_Click(object sender, EventArgs e)
{
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
JsTypeDefinition jstypedef = new JsTypeDefinition("AA");
jstypedef.AddMember(new JsMethodDefinition("B", args =>
{
args.SetResult(100);
}));
jstypedef.AddMember(new JsMethodDefinition("C", args =>
{
args.SetResult(true);
}));
//===============================================================
//create js engine and context
using (JsEngine engine = new JsEngine())
using (JsContext ctx = engine.CreateContext())
{
if (!jstypedef.IsRegisterd)
{
ctx.RegisterTypeDefinition(jstypedef);
}
GC.Collect();
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Start();
TestMe1 t1 = new TestMe1();
var proxy = ctx.CreateWrapper(t1, jstypedef);
for (int i = 2000; i >= 0; --i)
{
ctx.SetVariableFromAny("x", proxy);
object result = ctx.Execute("(function(){if(x.C()){return x.B();}else{return 0;}})()");
}
//for (int i = 1; i >= 0; --i)
//{
// ctx.SetVariableFromAny("x", proxy);
// object result = ctx.Execute(@"
// var http = require('http');
// var server = http.createServer(function(req, res) {
// res.writeHead(200);
// res.end('Hello Http');
// });
// server.listen(8080);
// ");
//}
stwatch.Stop();
Console.WriteLine("met1 template:" + stwatch.ElapsedMilliseconds.ToString());
//Assert.That(result, Is.EqualTo(100));
}
}
public void SetManagedIntegerProperty()
{
var t = new TestClass();
using (JsContext js = jsEngine.CreateContext())
{
js.SetVariableFromAny("o", t);
js.Execute("o.Int32Property = 42");
Assert.That(t.Int32Property, Is.EqualTo(42));
}
}
public void TestInit()
{
var btn = new Button();
JsContext.Execute(() => {
btn.Id = "btn1";
btn.Text = "my text";
});
var script = JsContext.Execute(btn.Init).Encode();
Assert.AreEqual("$$('btn1').jasty(\"Button\", \"init\", [{\"id\":\"btn1\", \"text\":\"my text\", \"visible\":true}]);", script);
}
public void tellme_Test()
{
using (JsEngine js = new JsEngine(4, 32))
{
using (JsContext context = js.CreateContext())
{
context.Execute("var x = {'answer':42, 'tellme':function (x) { return x+' '+this.answer; }}");
dynamic x = context.GetVariable("x");
var result = x.tellme("What is the answer to ...?");
Assert.AreEqual(result, "What is the answer to...? 42");
}
}
}
public void GetManagedBoolProperty()
{
var v = 42;
var t = new TestClass {
BoolProperty = true, Int32Property = 30
};
using (JsContext js = jsEngine.CreateContext())
{
js.SetVariableFromAny("o", t);
Assert.That(js.Execute("(function(){if(o.BoolProperty){return 10; }else{ return 20;}})()"), Is.EqualTo(10));
}
}
public void GetManagedStringProperty()
{
var v = "The lazy dog bla bla bla...";
var t = new TestClass {
StringProperty = v
};
using (JsContext js = jsEngine.CreateContext())
{
js.SetVariableFromAny("o", t);
Assert.That(js.Execute("o.StringProperty"), Is.EqualTo(v));
}
}
public void GetManagedIntegerProperty()
{
var v = 42;
var t = new TestClass {
Int32Property = v
};
using (JsContext js = jsEngine.CreateContext())
{
js.SetVariableFromAny("o", t);
Assert.That(js.Execute("o.Int32Property"), Is.EqualTo(v));
}
}
public void GetMixedProperty1()
{
using (JsContext js = jsEngine.CreateContext())
{
var t = new TestClass();
js.SetVariableFromAny("o", t);
js.Execute("var x = { nested: o }; x.nested.Int32Property = 42");
var x = js.GetVariable("x") as JsObject;
Assert.That(x["nested"], Is.EqualTo(t));
Assert.That(t.Int32Property, Is.EqualTo(42));
}
}
private void button12_Click(object sender, EventArgs e)
{
//very basic ***
//-----------------
//test tsc.js
//this needs EspressoHostForTsc
//-----------------
string tsc_esprCode = File.ReadAllText("../../Samples/js_tools/tsc2_5/tsc_espr.js");
StringBuilder stbuilder = new StringBuilder();
stbuilder.Append(tsc_esprCode);
//-----------------
int version = JsBridge.LibVersion;
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
using (JsEngine engine = new JsEngine())
using (JsContext ctx = engine.CreateContext(new MyJsTypeDefinitionBuilder()))
{
GC.Collect();
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Reset();
stwatch.Start();
var my_expr_ext = new EspressoHostForTsc_25();
ctx.SetVariableAutoWrap("my_expr_ext", my_expr_ext);
string testsrc = @"(function(){
// test1: general compile through commamd line
// ts.executeCommandLine(['greeter.ts']);
//-------------------------------------------------
// test 2: generate ast
var filename=""greeter.ts""; //example only
my_expr_ext.ConsoleLog(filename);
//parse
const sourceFile = ts.createSourceFile(filename,
my_expr_ext.readFile(filename),2, false);
//send output as json to managed host
my_expr_ext.ConsoleLog(JSON.stringify( sourceFile));
})()";
stbuilder.Append(testsrc);
ctx.Execute(stbuilder.ToString());
stwatch.Stop();
Console.WriteLine("met1 template:" + stwatch.ElapsedMilliseconds.ToString());
}
}
/// <summary>
/// Initializes a new instance of the <see cref="VroomJsEngine"/> class.
/// </summary>
/// <exception cref="System.Exception">V8 engine context couldn't be created.</exception>
public VroomJsEngine()
{
try
{
_context = JsEngine.Value.CreateContext();
}
catch (Exception ex)
{
throw new Exception("V8 engine context couldn't be created.", ex);
}
_context.Execute("");
_context.SetVariable("console", new EngineConsole());
}
public void SetManagedNestedProperty()
{
var t = new TestClass();
var n = new TestClass();
using (JsContext js = jsEngine.CreateContext())
{
js.SetVariableFromAny("o", t);
js.SetVariableFromAny("n", n);
js.Execute("o.NestedObject = n; o.NestedObject.Int32Property = 42");
Assert.That(t.NestedObject, Is.EqualTo(n));
Assert.That(n.Int32Property, Is.EqualTo(42));
}
}
public void CallJsProperty()
{
using (JsContext js = jsEngine.CreateContext())
{
js.Execute("var x = { f: function (a, b) { return [a*2, b+'!']; }}");
var x = js.GetVariable("x") as JsObject;
var f = x["f"] as JsFunction;
var r = f.Invoke(21, "Can't believe this worked");
Assert.That(r, Is.AssignableTo <object[]>());
object[] a = (object[])r;
Assert.That(a.Length, Is.EqualTo(2));
Assert.That(a[0], Is.EqualTo(42));
Assert.That(a[1], Is.EqualTo("Can't believe this worked!"));
}
}
public void CallManagedMethod()
{
var t = new TestClass {
Int32Property = 13, StringProperty = "Wow"
};
using (JsContext js = jsEngine.CreateContext())
{
js.SetVariableFromAny("o", t);
js.Execute("var r = o.Method1(29, '!')");
object r = js.GetVariable("r");
Assert.That(r, Is.AssignableTo <TestClass>());
TestClass c = (TestClass)r;
Assert.That(c.Int32Property, Is.EqualTo(42));
Assert.That(c.StringProperty, Is.EqualTo("Wow!"));
}
}
