1 files changed, 42 insertions, 0 deletions
diff --git a/test/code-cache/test-code-cache.js b/test/code-cache/test-code-cache.js
new file mode 100644
index 0000000000..a437834301
--- /dev/null
+++ b/test/code-cache/test-code-cache.js
@@ -0,0 +1,42 @@
+'use strict';
+
+// Flags: --expose-internals
+// This test verifies that the binary is compiled with code cache and the
+// cache is used when built in modules are compiled.
+
+require('../common');
+const assert = require('assert');
+const {
+  types: {
+    isUint8Array
+  }
+} = require('util');
+const {
+  builtinSource,
+  codeCache,
+  cannotUseCache,
+  compiledWithCache,
+  compiledWithoutCache
+} = require('internal/bootstrap/cache');
+
+assert.strictEqual(
+  typeof process.config.variables.node_code_cache_path,
+  'string'
+);
+
+assert.deepStrictEqual(compiledWithoutCache, []);
+
+const loadedModules = process.moduleLoadList
+  .filter((m) => m.startsWith('NativeModule'))
+  .map((m) => m.replace('NativeModule ', ''));
+
+for (const key of loadedModules) {
+  assert(compiledWithCache.includes(key),
+         `"${key}" should've been compiled with code cache`);
+}
+
+for (const key of Object.keys(builtinSource)) {
+  if (cannotUseCache.includes(key)) continue;
+  assert(isUint8Array(codeCache[key]) && codeCache[key].length > 0,
+         `Code cache for "${key}" should've been generated`);
+}