public virtual void SettingAndGettingVariableWithUndefinedValueIsCorrect()
{
// Arrange
const string variableName = "myVar1";
object input = Undefined.Value;
// Act
_jsEngine.SetVariableValue(variableName, input);
bool variableExists = _jsEngine.HasVariable(variableName);
var output = _jsEngine.GetVariableValue(variableName);
// Assert
Assert.IsFalse(variableExists);
Assert.AreEqual(input, output);
}
public void SettingVariableIsCorrect()
{
// Arrange
_msieJsEngine.SetVariableValue("price", 120.55m);
// Act
bool priceExists = _msieJsEngine.HasVariable("price");
var price = _msieJsEngine.GetVariableValue <double>("price");
// Assert
Assert.IsTrue(priceExists);
Assert.AreEqual(120.55m, price);
}
/// <summary>
/// Eval JavaScript code.
/// </summary>
/// <param name="code">JavaScript code.</param>
/// <param name="variableName">Variable name.</param>
/// <returns>JavaScript code return result.</returns>
public static object EvaluateJavaScriptCode(string code, string variableName)
{
try
{
using var engine = new MsieJsEngine();
engine.Execute(code);
return(engine.GetVariableValue(variableName));
}
catch (Exception exception)
{
return(exception.Message);
}
}
private static string MinimizeWithUglifyJS(ref MsieJsEngine jsEngine, string code)
{
jsEngine = jsEngine ?? SetupJsEngine();
jsEngine.SetVariableValue("CodeToCompress", code);
jsEngine.Evaluate(
@"(function() {
var ast = UglifyJS.parse(CodeToCompress);
ast.figure_out_scope();
var compressor = UglifyJS.Compressor();
ast = ast.transform(compressor);
ast.figure_out_scope();
ast.compute_char_frequency();
ast.mangle_names();
CodeToCompress = ast.print_to_string();
})();");
return(jsEngine.GetVariableValue <string>("CodeToCompress"));
}
public virtual void ArrayForEachMethodIsSupported()
{
// Arrange
const string resultVariableName = "enginesString";
string initCode = string.Format(@"var engines = ['Chakra', 'V8', 'SpiderMonkey', 'Jurassic'],
{0} = ''
;
engines.forEach(function(value, index, array) {{
if (index > 0) {{
{0} += ';';
}}
{0} += value;
}});", resultVariableName);
const string targetOutput = "Chakra;V8;SpiderMonkey;Jurassic";
// Act
_jsEngine.Execute(initCode);
var output = _jsEngine.GetVariableValue <string>(resultVariableName);
// Assert
Assert.AreEqual(targetOutput, output);
}
private static string MinimizeWithUglifyJS(ref MsieJsEngine jsEngine, string code)
{
jsEngine = jsEngine ?? SetupJsEngine();
jsEngine.SetVariableValue("CodeToCompress", code);
jsEngine.Evaluate(
@"(function() {
var ast = UglifyJS.parse(CodeToCompress);
ast.figure_out_scope();
var compressor = UglifyJS.Compressor();
ast = ast.transform(compressor);
ast.figure_out_scope();
ast.compute_char_frequency();
ast.mangle_names();
CodeToCompress = ast.print_to_string();
})();");
return jsEngine.GetVariableValue<string>("CodeToCompress");
}
