Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/guzzlehttp/promises/tests/RejectedPromiseTest.php

@@ -0,0 +1,143 @@
+<?php
+namespace GuzzleHttp\Promise\Tests;
+
+use GuzzleHttp\Promise\Promise;
+use GuzzleHttp\Promise\RejectedPromise;
+
+/**
+ * @covers GuzzleHttp\Promise\RejectedPromise
+ */
+class RejectedPromiseTest extends \PHPUnit_Framework_TestCase
+{
+    public function testThrowsReasonWhenWaitedUpon()
+    {
+        $p = new RejectedPromise('foo');
+        $this->assertEquals('rejected', $p->getState());
+        try {
+            $p->wait(true);
+            $this->fail();
+        } catch (\Exception $e) {
+            $this->assertEquals('rejected', $p->getState());
+            $this->assertContains('foo', $e->getMessage());
+        }
+    }
+
+    public function testCannotCancel()
+    {
+        $p = new RejectedPromise('foo');
+        $p->cancel();
+        $this->assertEquals('rejected', $p->getState());
+    }
+
+    /**
+     * @expectedException \LogicException
+     * @exepctedExceptionMessage Cannot resolve a rejected promise
+     */
+    public function testCannotResolve()
+    {
+        $p = new RejectedPromise('foo');
+        $p->resolve('bar');
+    }
+
+    /**
+     * @expectedException \LogicException
+     * @exepctedExceptionMessage Cannot reject a rejected promise
+     */
+    public function testCannotReject()
+    {
+        $p = new RejectedPromise('foo');
+        $p->reject('bar');
+    }
+
+    public function testCanRejectWithSameValue()
+    {
+        $p = new RejectedPromise('foo');
+        $p->reject('foo');
+    }
+
+    public function testThrowsSpecificException()
+    {
+        $e = new \Exception();
+        $p = new RejectedPromise($e);
+        try {
+            $p->wait(true);
+            $this->fail();
+        } catch (\Exception $e2) {
+            $this->assertSame($e, $e2);
+        }
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testCannotResolveWithPromise()
+    {
+        new RejectedPromise(new Promise());
+    }
+
+    public function testReturnsSelfWhenNoOnReject()
+    {
+        $p = new RejectedPromise('a');
+        $this->assertSame($p, $p->then());
+    }
+
+    public function testInvokesOnRejectedAsynchronously()
+    {
+        $p = new RejectedPromise('a');
+        $r = null;
+        $f = function ($reason) use (&$r) { $r = $reason; };
+        $p->then(null, $f);
+        $this->assertNull($r);
+        \GuzzleHttp\Promise\queue()->run();
+        $this->assertEquals('a', $r);
+    }
+
+    public function testReturnsNewRejectedWhenOnRejectedFails()
+    {
+        $p = new RejectedPromise('a');
+        $f = function () { throw new \Exception('b'); };
+        $p2 = $p->then(null, $f);
+        $this->assertNotSame($p, $p2);
+        try {
+            $p2->wait();
+            $this->fail();
+        } catch (\Exception $e) {
+            $this->assertEquals('b', $e->getMessage());
+        }
+    }
+
+    public function testWaitingIsNoOp()
+    {
+        $p = new RejectedPromise('a');
+        $p->wait(false);
+    }
+
+    public function testOtherwiseIsSugarForRejections()
+    {
+        $p = new RejectedPromise('foo');
+        $p->otherwise(function ($v) use (&$c) { $c = $v; });
+        \GuzzleHttp\Promise\queue()->run();
+        $this->assertSame('foo', $c);
+    }
+
+    public function testCanResolveThenWithSuccess()
+    {
+        $actual = null;
+        $p = new RejectedPromise('foo');
+        $p->otherwise(function ($v) {
+            return $v . ' bar';
+        })->then(function ($v) use (&$actual) {
+            $actual = $v;
+        });
+        \GuzzleHttp\Promise\queue()->run();
+        $this->assertEquals('foo bar', $actual);
+    }
+
+    public function testDoesNotTryToRejectTwiceDuringTrampoline()
+    {
+        $fp = new RejectedPromise('a');
+        $t1 = $fp->then(null, function ($v) { return $v . ' b'; });
+        $t1->resolve('why!');
+        $this->assertEquals('why!', $t1->wait());
+    }
+}