Add tests for Iterator\collect

test/CollectTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Amp\Test;
+
+use Amp\Iterator;
+use Amp\PHPUnit\TestCase;
+use function Amp\Promise\wait;
+
+class CollectTest extends TestCase
+{
+    public function testCollect()
+    {
+        $iterator = Iterator\fromIterable(["abc", "foo", "bar"], 5);
+        $this->assertSame(["abc", "foo", "bar"], wait(Iterator\collect($iterator)));
+    }
+
+    public function testEmpty()
+    {
+        $iterator = Iterator\fromIterable([], 5);
+        $this->assertSame([], wait(Iterator\collect($iterator)));
+    }
+}