From 7812601770412fc8de24eb9ab25304693daca3bf Mon Sep 17 00:00:00 2001
From: juner <juner@juner.net>
Date: Tue, 18 Nov 2025 13:47:23 +0900
Subject: [PATCH] =?UTF-8?q?=E3=82=A8=E3=83=A9=E3=83=BC=E3=83=86=E3=82=B9?=
 =?UTF-8?q?=E3=83=88=E3=81=AE=E3=83=81=E3=82=A7=E3=83=83=E3=82=AF=E3=82=92?=
 =?UTF-8?q?=20=E3=82=A8=E3=83=A9=E3=83=BC=E5=9E=8B=E3=81=8B=E3=82=89?=
 =?UTF-8?q?=E3=82=82=E3=81=99=E3=82=8B=E3=82=88=E3=81=86=E3=81=AB=E4=BF=AE?=
 =?UTF-8?q?=E6=AD=A3=E3=80=82=E3=81=BE=E3=81=9F=E3=80=81=20steal:true=20/?=
 =?UTF-8?q?=20ifAvailable:true=20=E3=81=AE=E3=83=86=E3=82=B9=E3=83=88?=
 =?UTF-8?q?=E3=82=82=E8=BF=BD=E5=8A=A0=20fix:=20#7?=
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---
 src/lock.test.ts | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/lock.test.ts b/src/lock.test.ts
index 6fec188..0ab0129 100644
--- a/src/lock.test.ts
+++ b/src/lock.test.ts
@@ -167,7 +167,7 @@ describe("simple use", () => {
         await using _ = await request();
         const lock2Wait = request({ signal });
         controller.abort();
-        await expect(lock2Wait).rejects.toThrow("This operation was aborted");
+        await expect(lock2Wait).rejects.toThrow(new DOMException("This operation was aborted", "AbortError"));
       }
     });
   }
@@ -206,6 +206,19 @@ describe("simple use", () => {
       }
     });
   }
+  {
+    const name = "steal:true and ifAvailable:true";
+    test.concurrent("steal:true and ifAvailable:true", async ({ expect }) => {
+      const { request } = lock(name);
+      {
+        const lockWait = request({
+          ifAvailable: true,
+          steal: true,
+        });
+        expect(lockWait).rejects.toThrow(new DOMException("ifAvailable and steal are mutually exclusive", "NotSupportedError"));
+      }
+    });
+  }
 });
 describe("hard error pattern", () => {
   const name = "not found navigator.locks";
@@ -216,7 +229,7 @@ describe("hard error pattern", () => {
       value: undefined,
     });
     try {
-      expect(() => lock(name)).toThrow("navigator.locks is not found. required options.locks argument.");
+      expect(() => lock(name)).toThrow(new Error("navigator.locks is not found. required options.locks argument."));
 
       const { request, query } = lock(name, { locks });
       {