30 lines
958 B
JavaScript
30 lines
958 B
JavaScript
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// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-wasm --experimental-wasm-eh
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load("test/mjsunit/wasm/wasm-module-builder.js");
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// Instantiate a throwing module.
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var builder = new WasmModuleBuilder();
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builder.addException(kSig_v_v);
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builder.addFunction("propel", kSig_v_v)
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.addBody([kExprThrow, 0])
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.exportFunc();
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var instance = builder.instantiate();
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// Catch the exception.
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var exception;
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try {
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instance.exports.propel();
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} catch (e) {
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exception = e;
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}
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// Check that the exception is an instance of the correct error function and
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// that no extraneous properties exist. Setting such properties could be
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// observable by JavaScript and could break compatibility.
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assertInstanceof(exception, WebAssembly.RuntimeError);
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assertArrayEquals(["stack", "message"], Object.getOwnPropertyNames(exception));
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