1// META: global=window,dedicatedworker,jsshell 2// META: script=/wasm/jsapi/wasm-module-builder.js 3 4test(() => { 5 const emptyModuleBinary = new WasmModuleBuilder().toBuffer(); 6 const module = new WebAssembly.Module(emptyModuleBinary); 7 assert_class_string(module, "WebAssembly.Module"); 8}, "Object.prototype.toString on an Module"); 9 10test(() => { 11 assert_own_property(WebAssembly.Module.prototype, Symbol.toStringTag); 12 13 const propDesc = Object.getOwnPropertyDescriptor(WebAssembly.Module.prototype, Symbol.toStringTag); 14 assert_equals(propDesc.value, "WebAssembly.Module", "value"); 15 assert_equals(propDesc.configurable, true, "configurable"); 16 assert_equals(propDesc.enumerable, false, "enumerable"); 17 assert_equals(propDesc.writable, false, "writable"); 18}, "@@toStringTag exists on the prototype with the appropriate descriptor"); 19