[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [SanitizedEmscriptenTestModule](./rc-js-util.sanitizedemscriptentestmodule.md) > [(constructor)](./rc-js-util.sanitizedemscriptentestmodule._constructor_.md) ## SanitizedEmscriptenTestModule.(constructor) Constructs a new instance of the `SanitizedEmscriptenTestModule` class **Signature:** ```typescript constructor(testModule: Emscripten.EmscriptenModuleFactory, options: ISanitizedTestModuleOptions, extension?: TWrapperExtensions | undefined); ``` ## Parameters

Parameter	Type	Description
testModule	[Emscripten.EmscriptenModuleFactory](./rc-js-util.emscripten.emscriptenmodulefactory.md)<TEmscriptenBindings>
options	[ISanitizedTestModuleOptions](./rc-js-util.isanitizedtestmoduleoptions.md)
extension	TWrapperExtensions \| undefined	_(Optional)_