Test already parenthesized and nested unary expression

Author: fisker

test/prefer-bigint-literals.js

@@ -96,5 +96,8 @@ test.snapshot({
 		'+BigInt(1)',
 		'+BigInt(-1)',
 		'+BigInt("1")',
+
+		'1n - (( BigInt("-1") ))',
+		'BigInt(-(+(-10)))',
 	],
 });

test/snapshots/prefer-bigint-literals.js.md

@@ -965,3 +965,41 @@ Generated by [AVA](https://avajs.dev).
     Output:␊
       1 | +1n␊
     `
+
+## invalid(50): 1n - (( BigInt("-1") ))
+
+> Input
+
+    `␊
+      1 | 1n - (( BigInt("-1") ))␊
+    `
+
+> Error 1/1
+
+    `␊
+    Message:␊
+    > 1 | 1n - (( BigInt("-1") ))␊
+        |         ^^^^^^^^^^^^ Prefer using bigint literal over \`BigInt(…)\`.␊
+    ␊
+    Output:␊
+      1 | 1n - (( -1n ))␊
+    `
+
+## invalid(51): BigInt(-(+(-10)))
+
+> Input
+
+    `␊
+      1 | BigInt(-(+(-10)))␊
+    `
+
+> Error 1/1
+
+    `␊
+    Message:␊
+    > 1 | BigInt(-(+(-10)))␊
+        | ^^^^^^^^^^^^^^^^^ Prefer using bigint literal over \`BigInt(…)\`.␊
+    ␊
+    Output:␊
+      1 | 10n␊
+    `