From b9c491594e87e7cc0389dfc010b186013f3c95bc Mon Sep 17 00:00:00 2001
From: Fran Herrero <francisco.herrero@axa-groupsolutions.com>
Date: Tue, 6 Nov 2018 16:36:32 +0000
Subject: [PATCH] test: esm loader unknown builtin module

---
 .../loader-unknown-builtin-module.mjs                |  6 ++++++
 .../parallel/test-loaders-unknown-builtin-module.mjs | 12 ++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs
 create mode 100644 test/parallel/test-loaders-unknown-builtin-module.mjs

diff --git a/test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs b/test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs
new file mode 100644
index 00000000000000..e7c6c8ff345617
--- /dev/null
+++ b/test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs
@@ -0,0 +1,6 @@
+export async function resolve(specifier, parent, defaultResolve) {
+  if (specifier === 'unknown-builtin-module') {
+    return { url: 'unknown-builtin-module', format: 'builtin' };
+  }
+  return defaultResolve(specifier, parent);
+}
\ No newline at end of file
diff --git a/test/parallel/test-loaders-unknown-builtin-module.mjs b/test/parallel/test-loaders-unknown-builtin-module.mjs
new file mode 100644
index 00000000000000..db3cfa3582e9e2
--- /dev/null
+++ b/test/parallel/test-loaders-unknown-builtin-module.mjs
@@ -0,0 +1,12 @@
+// Flags: --experimental-modules --loader ./test/fixtures/es-module-loaders/loader-unknown-builtin-module.mjs
+import { expectsError, mustCall } from '../common';
+import assert from 'assert';
+
+const unknownBuiltinModule = 'unknown-builtin-module';
+
+import(unknownBuiltinModule)
+.then(assert.fail, expectsError({
+  code: 'ERR_UNKNOWN_BUILTIN_MODULE',
+  message: `No such built-in module: ${unknownBuiltinModule}`
+}))
+.then(mustCall());