From 174b3c4b1b84fd43946dfc283bc518cb5a4ceeba Mon Sep 17 00:00:00 2001
From: Evgenii Shchepotev <evgenii.schepotiev@gmail.com>
Date: Wed, 29 May 2019 19:45:26 +0300
Subject: [PATCH] test: add eval ESM module tests

PR-URL: https://github.com/nodejs/node/pull/27956
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Jan Krems <jan.krems@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
---
 test/parallel/test-cli-eval.js | 45 ++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/test/parallel/test-cli-eval.js b/test/parallel/test-cli-eval.js
index 3fd00e7cdb4581..acf20bb77fc9d1 100644
--- a/test/parallel/test-cli-eval.js
+++ b/test/parallel/test-cli-eval.js
@@ -229,3 +229,48 @@ child.exec(`${nodejs} --use-strict -p process.execArgv`,
     assert.strictEqual(err, null);
   }));
 });
+
+// ESModule eval tests
+
+
+// Assert that "42\n" is written to stdout on module eval.
+const execOptions = '--experimental-modules --input-type module';
+child.exec(
+  `${nodejs} ${execOptions} --eval "console.log(42)"`,
+  common.mustCall((err, stdout) => {
+    assert.ifError(err);
+    assert.strictEqual(stdout, '42\n');
+  }));
+
+// Assert that "42\n" is written to stdout with print option.
+child.exec(
+  `${nodejs} ${execOptions} --print --eval "42"`,
+  common.mustCall((err, stdout) => {
+    assert.ifError(err);
+    assert.strictEqual(stdout, '42\n');
+  }));
+
+// Assert that error is written to stderr on invalid input.
+child.exec(
+  `${nodejs} ${execOptions} --eval "!!!!"`,
+  common.mustCall((err, stdout, stderr) => {
+    assert.ok(err);
+    assert.strictEqual(stdout, '');
+    assert.ok(stderr.indexOf('SyntaxError: Unexpected end of input') > 0);
+  }));
+
+// Assert that require is undefined in ESM support
+child.exec(
+  `${nodejs} ${execOptions} --eval "console.log(typeof require);"`,
+  common.mustCall((err, stdout) => {
+    assert.ifError(err);
+    assert.strictEqual(stdout, 'undefined\n');
+  }));
+
+// Assert that import.meta is defined in ESM
+child.exec(
+  `${nodejs} ${execOptions} --eval "console.log(typeof import.meta);"`,
+  common.mustCall((err, stdout) => {
+    assert.ifError(err);
+    assert.strictEqual(stdout, 'object\n');
+  }));