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1d29d81c69
PR-URL: https://github.com/nodejs/node/pull/52293 Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
65 lines
2.3 KiB
JavaScript
65 lines
2.3 KiB
JavaScript
// Copyright 2017 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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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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(function duplicateGlobalExportName() {
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print(arguments.callee.name);
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var builder = new WasmModuleBuilder();
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builder.addGlobal(kWasmI64, false).exportAs('g');
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builder.addGlobal(kWasmI64, false).exportAs('g');
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assertThrows(
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() => builder.instantiate(), WebAssembly.CompileError,
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/Duplicate export name 'g' for global 0 and global 1/);
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})();
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(function exportNameClashWithFunction() {
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print(arguments.callee.name);
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var builder = new WasmModuleBuilder();
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builder.addGlobal(kWasmI64, false).exportAs('foo');
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builder.addFunction('f', kSig_v_v).addBody([]).exportAs('foo');
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assertThrows(
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() => builder.instantiate(), WebAssembly.CompileError,
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/Duplicate export name 'foo' for global 0 and function 0/);
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})();
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(function veryLongExportName() {
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print(arguments.callee.name);
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// Regression test for crbug.com/740023.
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var export_name = 'abc';
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while (export_name.length < 8192) {
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export_name = export_name.concat(export_name);
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}
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var builder = new WasmModuleBuilder();
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var global = builder.addGlobal(kWasmI64, false, false);
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global.exportAs(export_name);
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global.exportAs(export_name);
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var error_msg =
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'Duplicate export name \'(abc){10,20}ab?c?\.\.\.\' for global 0 and global 0';
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assertThrows(
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() => builder.instantiate(), WebAssembly.CompileError,
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new RegExp(error_msg));
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})();
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(function exportAsElement() {
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print(arguments.callee.name);
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const builder = new WasmModuleBuilder();
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const global = builder.addGlobal(kWasmI64, false);
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const max_array_index = Math.pow(2, 32) - 1;
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const func_idx = builder.addFunction('f', kSig_v_v).addBody([]);
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const export_names =
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[0, 3, max_array_index - 1, max_array_index + 1, 2 * max_array_index];
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for (const name of export_names) {
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global.exportAs(name);
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}
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const instance = builder.instantiate();
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const exports = instance.exports;
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for (const name of export_names) {
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assertTrue(name in exports);
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assertFalse((name - 1) in exports);
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assertFalse((name + 1) in exports);
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assertInstanceof(exports[name], WebAssembly.Global);
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}
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})();
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