v8/test/mjsunit/wasm/export-global.js
Ben Smith 7ce76fbc34 [wasm] Enable mutable-global by default
Mutable globals are now included in the wasm v1 spec.

Bug: v8:7625
Change-Id: Ib9b92d8348102f99a3b92820d0057b2c11a1e49a
Reviewed-on: https://chromium-review.googlesource.com/1095650
Commit-Queue: Ben Smith <binji@chromium.org>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53683}
2018-06-12 23:08:48 +00:00

42 lines
1.5 KiB
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function duplicateGlobalExportName() {
var builder = new WasmModuleBuilder();
builder.addGlobal(kWasmI64, false).exportAs('g');
builder.addGlobal(kWasmI64, false).exportAs('g');
assertThrows(
() => builder.instantiate(), WebAssembly.CompileError,
/Duplicate export name 'g' for global 0 and global 1/);
})();
(function exportNameClashWithFunction() {
var builder = new WasmModuleBuilder();
builder.addGlobal(kWasmI64, false).exportAs('foo');
builder.addFunction('f', kSig_v_v).addBody([]).exportAs('foo');
assertThrows(
() => builder.instantiate(), WebAssembly.CompileError,
/Duplicate export name 'foo' for global 0 and function 0/);
})();
(function veryLongExportName() {
// Regression test for crbug.com/740023.
var export_name = 'abc';
while (export_name.length < 8192) {
export_name = export_name.concat(export_name);
}
var builder = new WasmModuleBuilder();
var global = builder.addGlobal(kWasmI64, false);
global.exportAs(export_name);
global.exportAs(export_name);
var error_msg =
'Duplicate export name \'(abc){10,20}ab?c?\.\.\.\' for global 0 and global 0';
assertThrows(
() => builder.instantiate(), WebAssembly.CompileError,
new RegExp(error_msg));
})();