nodejs/test/parallel/test-code-cache.js

71 lines
2.3 KiB
JavaScript

// 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,
moduleCategories: { canBeRequired, cannotBeRequired }
} = internalBinding('native_module');
for (const key of canBeRequired) {
require(key);
}
// The computation has to be delayed until we have done loading modules
const {
compiledWithoutCache,
compiledWithCache
} = getCacheUsage();
const loadedModules = process.moduleLoadList
.filter((m) => m.startsWith('NativeModule'))
.map((m) => m.replace('NativeModule ', ''));
// 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) {
console.log('The binary is not configured with code cache');
assert(!process.config.variables.node_use_node_code_cache);
if (isMainThread) {
assert.deepStrictEqual(compiledWithCache, new Set());
for (const key of loadedModules) {
assert(compiledWithoutCache.has(key),
`"${key}" should've been compiled without code cache`);
}
} else {
// TODO(joyeecheung): create a list of modules whose cache can be shared
// from the main thread to the worker thread and check that their
// cache are hit
assert.notDeepStrictEqual(compiledWithCache, new Set());
}
} else { // Native compiled
assert(process.config.variables.node_use_node_code_cache);
if (!isMainThread) {
for (const key of [ 'internal/bootstrap/pre_execution' ]) {
canBeRequired.add(key);
cannotBeRequired.delete(key);
}
}
const wrong = [];
for (const key of loadedModules) {
if (cannotBeRequired.has(key) && !compiledWithoutCache.has(key)) {
wrong.push(`"${key}" should've been compiled **without** code cache`);
}
if (canBeRequired.has(key) && !compiledWithCache.has(key)) {
wrong.push(`"${key}" should've been compiled **with** code cache`);
}
}
assert.strictEqual(wrong.length, 0, wrong.join('\n'));
}