From 97417b237f8632e67ea13ae72ddb091fd8ddc3c9 Mon Sep 17 00:00:00 2001
From: Denis Pushkarev <zloirock@zloirock.ru>
Date: Sun, 11 Sep 2022 09:31:07 +0700
Subject: [PATCH] add some tests

---
 tests/compat-tools/compat.mjs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tests/compat-tools/compat.mjs b/tests/compat-tools/compat.mjs
index 795460563c80..e22f4a2d08a0 100644
--- a/tests/compat-tools/compat.mjs
+++ b/tests/compat-tools/compat.mjs
@@ -1,4 +1,4 @@
-import { deepEqual } from 'assert/strict';
+import { deepEqual, ok } from 'assert/strict';
 import compat from 'core-js-compat/compat.js';
 
 deepEqual(compat({
@@ -119,4 +119,15 @@ deepEqual(compat({
   },
 }, 'some targets');
 
+const { list: inverted1 } = compat({ targets: { esmodules: true }, inverse: true });
+
+ok(inverted1.includes('es.symbol.iterator'), 'inverse #1');
+ok(!inverted1.includes('esnext.iterator.from'), 'inverse #2');
+ok(!inverted1.includes('esnext.array.at'), 'inverse #3');
+
+const { list: inverted2 } = compat({ modules: 'core-js/es/math', targets: { esmodules: true }, inverse: true });
+
+ok(inverted2.includes('es.math.acosh'), 'inverse #4');
+ok(!inverted2.includes('es.map'), 'inverse #5');
+
 echo(chalk.green('compat tool tested'));