node/deps/v8/test/mjsunit/modules-import-meta-turbo.mjs
Michaël Zasso a1d639ba5d
deps: update V8 to 8.6.395
PR-URL: https://github.com/nodejs/node/pull/35415
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
2020-10-18 20:16:47 +02:00

48 lines
1.3 KiB
JavaScript

// Copyright 2020 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.
// Flags: --allow-natives-syntax --opt
import { getImportMeta } from 'modules-skip-import-meta-export.mjs';
function foo() {
return import.meta;
}
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
// Optimize when import.meta hasn't been created yet.
assertEquals('object', typeof foo());
assertEquals(import.meta, foo());
assertOptimized(foo);
function bar() {
return import.meta;
}
%PrepareFunctionForOptimization(bar);
// Optimize when import.meta already exists.
%OptimizeFunctionOnNextCall(bar);
assertEquals(import.meta, bar());
assertOptimized(bar);
%PrepareFunctionForOptimization(getImportMeta);
%OptimizeFunctionOnNextCall(getImportMeta);
assertEquals('object', typeof getImportMeta());
assertOptimized(getImportMeta);
assertNotEquals(import.meta, getImportMeta());
assertOptimized(getImportMeta);
function baz() {
return getImportMeta();
}
// Test inlined (from another module) import.meta accesses.
%PrepareFunctionForOptimization(baz);
baz();
%OptimizeFunctionOnNextCall(baz);
assertEquals('object', typeof baz());
assertNotEquals(import.meta, baz());
assertEquals(baz(), getImportMeta());
assertOptimized(baz);