1 files changed, 120 insertions, 0 deletions
diff --git a/node_modules/side-channel/test/index.js b/node_modules/side-channel/test/index.js
new file mode 100644
index 0000000..5d28efd
--- /dev/null
+++ b/node_modules/side-channel/test/index.js
@@ -0,0 +1,120 @@
+'use strict';
+
+var test = require('tape');
+
+var getSideChannel = require('../');
+
+test('getSideChannel', function (t) {
+	t.test('export', function (st) {
+		st.equal(typeof getSideChannel, 'function', 'is a function');
+
+		st.equal(getSideChannel.length, 0, 'takes no arguments');
+
+		var channel = getSideChannel();
+		st.ok(channel, 'is truthy');
+		st.equal(typeof channel, 'object', 'is an object');
+		st.end();
+	});
+
+	t.test('assert', function (st) {
+		var channel = getSideChannel();
+		st['throws'](
+			function () { channel.assert({}); },
+			TypeError,
+			'nonexistent value throws'
+		);
+
+		var o = {};
+		channel.set(o, 'data');
+		st.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+		var accessed = false;
+		var trap = {};
+		Object.defineProperty(trap, 'foo', {
+			enumerable: true,
+			get: function () {
+				accessed = true;
+				return 1;
+			}
+		});
+		st['throws'](
+			function () { channel.assert(trap); },
+			TypeError,
+			'missing object key throws'
+		);
+		st.equal(accessed, false, 'a missing object key is not observably accessed');
+
+		st.end();
+	});
+
+	t.test('has', function (st) {
+		var channel = getSideChannel();
+		/** @type {unknown[]} */ var o = [];
+
+		st.equal(channel.has(o), false, 'nonexistent value yields false');
+
+		channel.set(o, 'foo');
+		st.equal(channel.has(o), true, 'existent value yields true');
+
+		st.equal(channel.has('abc'), false, 'non object value non existent yields false');
+
+		channel.set('abc', 'foo');
+		st.equal(channel.has('abc'), true, 'non object value that exists yields true');
+
+		st.end();
+	});
+
+	t.test('get', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+		var data = {};
+		channel.set(o, data);
+		st.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+		st.end();
+	});
+
+	t.test('set', function (st) {
+		var channel = getSideChannel();
+		var o = function () {};
+		st.equal(channel.get(o), undefined, 'value not set');
+
+		channel.set(o, 42);
+		st.equal(channel.get(o), 42, 'value was set');
+
+		channel.set(o, Infinity);
+		st.equal(channel.get(o), Infinity, 'value was set again');
+
+		var o2 = {};
+		channel.set(o2, 17);
+		st.equal(channel.get(o), Infinity, 'o is not modified');
+		st.equal(channel.get(o2), 17, 'o2 is set');
+
+		channel.set(o, 14);
+		st.equal(channel.get(o), 14, 'o is modified');
+		st.equal(channel.get(o2), 17, 'o2 is not modified');
+
+		st.end();
+	});
+
+	t.test('delete', function (st) {
+		var channel = getSideChannel();
+		var o = {};
+		st.equal(channel['delete']({}), false, 'nonexistent value yields false');
+
+		channel.set(o, 42);
+		st.equal(channel.has(o), true, 'value is set');
+
+		st.equal(channel['delete']({}), false, 'nonexistent value still yields false');
+
+		st.equal(channel['delete'](o), true, 'deleted value yields true');
+
+		st.equal(channel.has(o), false, 'value is no longer set');
+
+		st.end();
+	});
+
+	t.end();
+});