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9b4bf7de6c
PR-URL: https://github.com/nodejs/node/pull/23423 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Myles Borins <myles.borins@gmail.com>
82 lines
3.2 KiB
JavaScript
82 lines
3.2 KiB
JavaScript
// 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-constants.js");
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load("test/mjsunit/wasm/wasm-module-builder.js");
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(function TestExportSimple() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addException(kSig_v_v);
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builder.addExportOfKind("ex", kExternalException, except);
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let instance = builder.instantiate();
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assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex'));
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assertEquals("object", typeof instance.exports.ex);
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assertInstanceof(instance.exports.ex, WebAssembly.Exception);
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assertSame(instance.exports.ex.constructor, WebAssembly.Exception);
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})();
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(function TestExportMultiple() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except1 = builder.addException(kSig_v_v);
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let except2 = builder.addException(kSig_v_i);
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builder.addExportOfKind("ex1a", kExternalException, except1);
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builder.addExportOfKind("ex1b", kExternalException, except1);
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builder.addExportOfKind("ex2", kExternalException, except2);
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let instance = builder.instantiate();
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assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex1a'));
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assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex1b'));
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assertTrue(Object.prototype.hasOwnProperty.call(instance.exports, 'ex2'));
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assertSame(instance.exports.ex1a, instance.exports.ex1b);
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assertNotSame(instance.exports.ex1a, instance.exports.ex2);
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})();
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(function TestExportOutOfBounds() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addException(kSig_v_v);
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builder.addExportOfKind("ex_oob", kExternalException, except + 1);
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assertThrows(
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() => builder.instantiate(), WebAssembly.CompileError,
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/Wasm decoding failed: exception index 1 out of bounds/);
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})();
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(function TestExportSameNameTwice() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addException(kSig_v_v);
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builder.addExportOfKind("ex", kExternalException, except);
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builder.addExportOfKind("ex", kExternalException, except);
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assertThrows(
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() => builder.instantiate(), WebAssembly.CompileError,
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/Duplicate export name 'ex' for exception 0 and exception 0/);
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})();
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(function TestExportModuleGetExports() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addException(kSig_v_v);
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builder.addExportOfKind("ex", kExternalException, except);
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let module = new WebAssembly.Module(builder.toBuffer());
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let exports = WebAssembly.Module.exports(module);
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assertArrayEquals([{ name: "ex", kind: "exception" }], exports);
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})();
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(function TestConstructorNonCallable() {
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print(arguments.callee.name);
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// TODO(wasm): Currently the constructor function of an exported exception is
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// not callable. This can/will change once the proposal matures, at which
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// point we should add a full exceptions-api.js test suite for the API and
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// remove this test case from this file.
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assertThrows(
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() => WebAssembly.Exception(), TypeError,
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/WebAssembly.Exception cannot be called/);
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})();
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