1 files changed, 130 insertions, 0 deletions
diff --git a/node_modules/is-core-module/test/index.js b/node_modules/is-core-module/test/index.js
new file mode 100644
index 0000000..b688cd2
--- /dev/null
+++ b/node_modules/is-core-module/test/index.js
@@ -0,0 +1,130 @@
+'use strict';
+
+var test = require('tape');
+var keys = require('object-keys');
+var semver = require('semver');
+var isCore = require('../');
+var data = require('../core.json');
+
+var supportsNodePrefix = semver.satisfies(process.versions.node, '^14.18 || >= 16', { includePrerelease: true });
+
+test('core modules', function (t) {
+	t.test('isCore()', function (st) {
+		st.ok(isCore('fs'));
+		st.ok(isCore('net'));
+		st.ok(isCore('http'));
+
+		st.ok(!isCore('seq'));
+		st.ok(!isCore('../'));
+
+		st.ok(!isCore('toString'));
+
+		st.end();
+	});
+
+	t.test('core list', function (st) {
+		var cores = keys(data);
+		st.plan(cores.length);
+
+		for (var i = 0; i < cores.length; ++i) {
+			var mod = cores[i];
+			var requireFunc = function () { require(mod); }; // eslint-disable-line no-loop-func
+			if (isCore(mod)) {
+				st.doesNotThrow(requireFunc, mod + ' supported; requiring does not throw');
+			} else {
+				st['throws'](requireFunc, mod + ' not supported; requiring throws');
+			}
+		}
+
+		st.end();
+	});
+
+	t.test('core via repl module', { skip: !data.repl }, function (st) {
+		var libs = require('repl')._builtinLibs; // eslint-disable-line no-underscore-dangle
+		if (!libs) {
+			st.skip('module.builtinModules does not exist');
+		} else {
+			for (var i = 0; i < libs.length; ++i) {
+				var mod = libs[i];
+				st.ok(data[mod], mod + ' is a core module');
+				st.doesNotThrow(
+					function () { require(mod); }, // eslint-disable-line no-loop-func
+					'requiring ' + mod + ' does not throw'
+				);
+				if (supportsNodePrefix) {
+					st.doesNotThrow(
+						function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
+						'requiring node:' + mod + ' does not throw'
+					);
+				} else {
+					st['throws'](
+						function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
+						'requiring node:' + mod + ' throws'
+					);
+				}
+			}
+		}
+		st.end();
+	});
+
+	t.test('core via builtinModules list', { skip: !data.module }, function (st) {
+		var libs = require('module').builtinModules;
+		if (!libs) {
+			st.skip('module.builtinModules does not exist');
+		} else {
+			var excludeList = [
+				'_debug_agent',
+				'v8/tools/tickprocessor-driver',
+				'v8/tools/SourceMap',
+				'v8/tools/tickprocessor',
+				'v8/tools/profile'
+			];
+			for (var i = 0; i < libs.length; ++i) {
+				var mod = libs[i];
+				if (excludeList.indexOf(mod) === -1) {
+					st.ok(data[mod], mod + ' is a core module');
+					st.doesNotThrow(
+						function () { require(mod); }, // eslint-disable-line no-loop-func
+						'requiring ' + mod + ' does not throw'
+					);
+					if (supportsNodePrefix) {
+						st.doesNotThrow(
+							function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
+							'requiring node:' + mod + ' does not throw'
+						);
+					} else {
+						st['throws'](
+							function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
+							'requiring node:' + mod + ' throws'
+						);
+					}
+				}
+			}
+		}
+		st.end();
+	});
+
+	t.test('Object.prototype pollution', function (st) {
+		/* eslint no-extend-native: 1 */
+		var nonKey = 'not a core module';
+		st.teardown(function () {
+			delete Object.prototype.fs;
+			delete Object.prototype.path;
+			delete Object.prototype.http;
+			delete Object.prototype[nonKey];
+		});
+		Object.prototype.fs = false;
+		Object.prototype.path = '>= 999999999';
+		Object.prototype.http = data.http;
+		Object.prototype[nonKey] = true;
+
+		st.equal(isCore('fs'), true, 'fs is a core module even if Object.prototype lies');
+		st.equal(isCore('path'), true, 'path is a core module even if Object.prototype lies');
+		st.equal(isCore('http'), true, 'path is a core module even if Object.prototype matches data');
+		st.equal(isCore(nonKey), false, '"' + nonKey + '" is not a core module even if Object.prototype lies');
+
+		st.end();
+	});
+
+	t.end();
+});