Use pcov for code coverage

Author: WyriHaximus

.travis.yml

@@ -15,6 +15,8 @@ matrix:
     - php: nightly
 
 install:
+  - phpenv config-rm xdebug.ini
+  - pecl install pcov
   - composer install
 
 script:

composer.json

@@ -9,7 +9,7 @@
         "php": ">=7.1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7"
+        "phpunit/phpunit": "^8"
     },
     "autoload": {
         "psr-4": {

tests/DeferredTest.php

@@ -23,9 +23,9 @@ public function getPromiseTestAdapter(callable $canceller = null)
     /** @test */
     public function shouldRejectWithoutCreatingGarbageCyclesIfCancellerRejectsWithException()
     {
-        if ($this->getTestResultObject()->getCollectCodeCoverageInformation() === true) {
-            $this->markTestSkipped('This test has memory leaks when code coverage is collected');
-        }
+//        if ($this->getTestResultObject()->getCollectCodeCoverageInformation() === true) {
+//            $this->markTestSkipped('This test has memory leaks when code coverage is collected');
+//        }
 
         gc_collect_cycles();
         $deferred = new Deferred(function ($resolve, $reject) {
@@ -40,9 +40,9 @@ public function shouldRejectWithoutCreatingGarbageCyclesIfCancellerRejectsWithEx
     /** @test */
     public function shouldRejectWithoutCreatingGarbageCyclesIfParentCancellerRejectsWithException()
     {
-        if ($this->getTestResultObject()->getCollectCodeCoverageInformation() === true) {
-            $this->markTestSkipped('This test has memory leaks when code coverage is collected');
-        }
+//        if ($this->getTestResultObject()->getCollectCodeCoverageInformation() === true) {
+//            $this->markTestSkipped('This test has memory leaks when code coverage is collected');
+//        }
 
         gc_collect_cycles();
         $deferred = new Deferred(function ($resolve, $reject) {
@@ -57,9 +57,9 @@ public function shouldRejectWithoutCreatingGarbageCyclesIfParentCancellerRejects
     /** @test */
     public function shouldRejectWithoutCreatingGarbageCyclesIfCancellerHoldsReferenceAndExplicitlyRejectWithException()
     {
-        if ($this->getTestResultObject()->getCollectCodeCoverageInformation() === true) {
-            $this->markTestSkipped('This test has memory leaks when code coverage is collected');
-        }
+//        if ($this->getTestResultObject()->getCollectCodeCoverageInformation() === true) {
+//            $this->markTestSkipped('This test has memory leaks when code coverage is collected');
+//        }
 
         gc_collect_cycles();
         $deferred = new Deferred(function () use (&$deferred) { });