19 lines
919 B
JavaScript
19 lines
919 B
JavaScript
// META: global=window,dedicatedworker,jsshell,shadowrealm
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// META: script=/wasm/jsapi/wasm-module-builder.js
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test(() => {
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const emptyModuleBinary = new WasmModuleBuilder().toBuffer();
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const module = new WebAssembly.Module(emptyModuleBinary);
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const instance = new WebAssembly.Instance(module);
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assert_class_string(instance, "WebAssembly.Instance");
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}, "Object.prototype.toString on an Instance");
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test(() => {
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assert_own_property(WebAssembly.Instance.prototype, Symbol.toStringTag);
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const propDesc = Object.getOwnPropertyDescriptor(WebAssembly.Instance.prototype, Symbol.toStringTag);
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assert_equals(propDesc.value, "WebAssembly.Instance", "value");
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assert_equals(propDesc.configurable, true, "configurable");
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assert_equals(propDesc.enumerable, false, "enumerable");
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assert_equals(propDesc.writable, false, "writable");
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}, "@@toStringTag exists on the prototype with the appropriate descriptor");
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