[Tests] Uint8Array.prototype.toHex: add test coverage from tc39/tes…

…t262#3994

test/Uint8Array.prototype.toHex.js

@@ -1,9 +1,16 @@
 'use strict';
 
-var defineProperties = require('define-properties');
-var test = require('tape');
+var availableTypedArrays = require('available-typed-arrays')();
 var callBind = require('call-bind');
+var defineProperties = require('define-properties');
+var DetachArrayBuffer = require('es-abstract/2023/DetachArrayBuffer');
+var forEach = require('for-each');
 var inspect = require('object-inspect');
+var isCore = require('is-core-module');
+var test = require('tape');
+
+/* globals postMessage: false */
+var canDetach = typeof structuredClone === 'function' || typeof postMessage === 'function' || isCore('worker_threads');
 
 var index = require('../Uint8Array.prototype.toHex');
 var impl = require('../Uint8Array.prototype.toHex/implementation');
@@ -44,6 +51,61 @@ module.exports = {
 				inspect(array2) + ' produces expected hex string'
 			);
 
+			st.test('test262: test/built-ins/Uint8Array/prototype/toHex/detached-buffer.js', { skip: !canDetach }, function (s2t) {
+				var arr = new Uint8Array(2);
+				DetachArrayBuffer(arr.buffer);
+				s2t['throws'](
+					function () { method(arr); },
+					TypeError
+				);
+
+				s2t.end();
+			});
+
+			st.test('test262: test/built-ins/Uint8Array/prototype/toHex/receiver-not-uint8array.js', {
+				skip: !defineProperties.supportsDescriptors
+			}, function (s2t) {
+				var options = {};
+				s2t.intercept(options, 'alphabet', {
+					get: function () {
+						throw new EvalError('options.alphabet accessed despite incompatible receiver');
+					}
+				});
+
+				forEach(availableTypedArrays, function (taName) {
+					if (taName === 'Uint8Array') { return; }
+					var TA = global[taName];
+					var sample = new TA(2);
+					s2t['throws'](
+						function () { method(sample, options); },
+						TypeError,
+						'throws with ' + taName
+					);
+				});
+
+				s2t['throws'](
+					function () { method([]); },
+					TypeError,
+					'throws on a normal array receiver'
+				);
+
+				s2t['throws'](
+					function () { method(); },
+					TypeError,
+					'throws on no receiver'
+				);
+
+				s2t.end();
+			});
+
+			st.equal(method(new Uint8Array([])), '');
+			st.equal(method(new Uint8Array([102])), '66');
+			st.equal(method(new Uint8Array([102, 111])), '666f');
+			st.equal(method(new Uint8Array([102, 111, 111])), '666f6f');
+			st.equal(method(new Uint8Array([102, 111, 111, 98])), '666f6f62');
+			st.equal(method(new Uint8Array([102, 111, 111, 98, 97])), '666f6f6261');
+			st.equal(method(new Uint8Array([102, 111, 111, 98, 97, 114])), '666f6f626172');
+
 			st.end();
 		});
 	},