From 5b647da368b3e4ac8a0e1f43580532ce9c56d185 Mon Sep 17 00:00:00 2001
From: Michael Goberling <Michael.Goberling@gmail.com>
Date: Thu, 17 Nov 2022 13:50:33 -0500
Subject: [PATCH] test: false value in when failure case

---
 test/parser/validate.test.ts | 40 ++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/test/parser/validate.test.ts b/test/parser/validate.test.ts
index 9640afc5..61183bec 100644
--- a/test/parser/validate.test.ts
+++ b/test/parser/validate.test.ts
@@ -790,6 +790,46 @@ describe('validate', () => {
       await validate({input, output})
     })
 
+    it('should fail if the specified flags whose when property resolves to true in exclusive, flag has a false value', async () => {
+      const input = {
+        argv: [],
+        flags: {
+          cookies: {input: [], name: 'cookies'},
+          sprinkles: {input: [], name: 'sprinkles'},
+          dessert: {
+            input: [],
+            name: 'dessert',
+            exclusive: [{name: 'cookies', when: async () => Promise.resolve(true)}],
+          },
+        },
+        args: [],
+        strict: true,
+        context: {},
+        '--': true,
+      }
+
+      const output = {
+        args: {},
+        argv: [],
+        flags: {sprinkles: true, dessert: 'ice-cream', cookies: false},
+        raw: [
+          {type: 'flag', flag: 'sprinkles', input: true},
+          {type: 'flag', flag: 'dessert', input: 'ice-cream'},
+          {type: 'flag', flag: 'cookies', input: false},
+        ],
+        metadata: {},
+      }
+
+      try {
+        // @ts-expect-error
+        await validate({input, output})
+        assert.fail('should have thrown')
+      } catch (error) {
+        const err = error as CLIError
+        expect(err.message).to.include('--cookies=false cannot also be provided when using --dessert')
+      }
+    })
+
     describe('mixed', () => {
       const input = {
         argv: [],