Commit

1 files changed, 67 insertions, 0 deletions

diff --git a/src/node_modules/es-abstract/test/helpers/getSymbolDescription.js b/src/node_modules/es-abstract/test/helpers/getSymbolDescription.js
new file mode 100644
index 0000000..fbe7a7b
--- /dev/null
+++ b/src/node_modules/es-abstract/test/helpers/getSymbolDescription.js
@@ -0,0 +1,67 @@
+'use strict';
+
+var test = require('tape');
+var debug = require('object-inspect');
+var forEach = require('foreach');
+var has = require('has');
+
+var v = require('./values');
+var getSymbolDescription = require('../../helpers/getSymbolDescription');
+var getInferredName = require('../../helpers/getInferredName');
+
+test('getSymbolDescription', function (t) {
+	t.test('no symbols', { skip: v.hasSymbols }, function (st) {
+		st['throws'](
+			getSymbolDescription,
+			SyntaxError,
+			'requires Symbol support'
+		);
+
+		st.end();
+	});
+
+	forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) {
+		t['throws'](
+			function () { getSymbolDescription(nonSymbol); },
+			v.hasSymbols ? TypeError : SyntaxError,
+			debug(nonSymbol) + ' is not a Symbol'
+		);
+	});
+
+	t.test('with symbols', { skip: !v.hasSymbols }, function (st) {
+		forEach(
+			[
+				[Symbol(), undefined],
+				[Symbol(undefined), undefined],
+				[Symbol(null), 'null'],
+				[Symbol.iterator, 'Symbol.iterator'],
+				[Symbol('foo'), 'foo']
+			],
+			function (pair) {
+				var sym = pair[0];
+				var desc = pair[1];
+				st.equal(getSymbolDescription(sym), desc, debug(sym) + ' description is ' + debug(desc));
+			}
+		);
+
+		st.test('only possible when inference or native `Symbol.prototype.description` is supported', {
+			skip: !getInferredName && !has(Symbol.prototype, 'description')
+		}, function (s2t) {
+			s2t.equal(getSymbolDescription(Symbol('')), '', 'Symbol("") description is ""');
+
+			s2t.end();
+		});
+
+		st.test('only possible when global symbols are supported', {
+			skip: !has(Symbol, 'for') || !has(Symbol, 'keyFor')
+		}, function (s2t) {
+			// eslint-disable-next-line no-restricted-properties
+			s2t.equal(getSymbolDescription(Symbol['for']('')), '', 'Symbol.for("") description is ""');
+			s2t.end();
+		});
+
+		st.end();
+	});
+
+	t.end();
+});