48 lines
1.3 KiB
JavaScript
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);
|