Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/parallel/test-code-cache.js
// Flags: --expose-internals
'use strict';
// This test verifies that if the binary is compiled with code cache,
// and the cache is used when built in modules are compiled.
// Otherwise, verifies that no cache is used when compiling builtins.
const { isMainThread } = require('../common');
const assert = require('assert');
const {
internalBinding
} = require('internal/test/binding');
const {
getCacheUsage,
builtinCategories: { canBeRequired }
} = internalBinding('builtins');
for (const key of canBeRequired) {
require(`node:${key}`);
}
// The computation has to be delayed until we have done loading modules
const {
compiledWithoutCache,
compiledWithCache,
compiledInSnapshot
} = getCacheUsage();
function extractModules(list) {
return list.filter((m) => m.startsWith('NativeModule'))
.map((m) => m.replace('NativeModule ', ''));
}
const loadedModules = extractModules(process.moduleLoadList);
// Cross-compiled binaries do not have code cache, verifies that the builtins
// are all compiled without cache and we are doing the bookkeeping right.
if (!process.features.cached_builtins) {
assert(!process.config.variables.node_use_node_code_cache ||
process.execArgv.includes('--no-node-snapshot'));
if (isMainThread) {
assert.deepStrictEqual(compiledWithCache, new Set());
for (const key of loadedModules) {
assert(compiledWithoutCache.has(key),
`"${key}" should've been compiled without code cache`);
}
} else {
// TODO(joyeecheung): create a list of modules whose cache can be shared
// from the main thread to the worker thread and check that their
// cache are hit
assert.notDeepStrictEqual(compiledWithCache, new Set());
}
} else { // Native compiled
assert(process.config.variables.node_use_node_code_cache);
const wrong = [];
for (const key of loadedModules) {
if (key.startsWith('internal/deps/v8/tools')) {
continue;
}
if (!compiledWithCache.has(key) &&
compiledInSnapshot.indexOf(key) === -1) {
wrong.push(`"${key}" should've been compiled **with** code cache`);
}
}
assert.strictEqual(wrong.length, 0, wrong.join('\n'));
}
Mini Shell