1 files changed, 53 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/event-emitter/test/pipe.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/event-emitter/test/pipe.js
new file mode 100644
index 0000000000..9d15d6dae3
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/event-emitter/test/pipe.js
@@ -0,0 +1,53 @@
+'use strict';
+
+var ee = require('../');
+
+module.exports = function (t, a) {
+	var x = {}, y = {}, z = {}, count, count2, count3, pipe;
+
+	ee(x);
+	x = Object.create(x);
+	ee(y);
+	ee(z);
+
+	count = 0;
+	count2 = 0;
+	count3 = 0;
+	x.on('foo', function () {
+		++count;
+	});
+	y.on('foo', function () {
+		++count2;
+	});
+	z.on('foo', function () {
+		++count3;
+	});
+
+	x.emit('foo');
+	a(count, 1, "Pre pipe, x");
+	a(count2, 0, "Pre pipe, y");
+	a(count3, 0, "Pre pipe, z");
+
+	pipe = t(x, y);
+	x.emit('foo');
+	a(count, 2, "Post pipe, x");
+	a(count2, 1, "Post pipe, y");
+	a(count3, 0, "Post pipe, z");
+
+	y.emit('foo');
+	a(count, 2, "Post pipe, on y, x");
+	a(count2, 2, "Post pipe, on y, y");
+	a(count3, 0, "Post pipe, on y, z");
+
+	t(x, z);
+	x.emit('foo');
+	a(count, 3, "Post pipe z, x");
+	a(count2, 3, "Post pipe z, y");
+	a(count3, 1, "Post pipe z, z");
+
+	pipe.close();
+	x.emit('foo');
+	a(count, 4, "Close pipe y, x");
+	a(count2, 3, "Close pipe y, y");
+	a(count3, 2, "Close pipe y, z");
+};