Added getCache method

Author: luuklinders-mov

src/CachedGenerator.php

@@ -52,6 +52,11 @@ public function getInnerIterator(): Generator
         return $this->generator;
     }
 
+    public function getCache(): array
+    {
+        return $this->cache;
+    }
+
     private function addCurrentToCache(): void
     {
         if ($this->generator->valid()) {

tests/CachedGeneratorTest.php

@@ -7,7 +7,8 @@
 
 class CachedGeneratorTest extends TestCase
 {
-    public function testGenerates() {
+    public function testGenerates()
+    {
         $generator = function () {
             foreach (range(0, 2) as $value) {
                 yield $value;
@@ -19,7 +20,8 @@ public function testGenerates() {
         $this->assertEquals(range(0, 2), $results);
     }
 
-    public function testWorksWithEmptyGenerator() {
+    public function testWorksWithEmptyGenerator()
+    {
         $generator = function () {
             if (false) yield 0;
         };
@@ -29,7 +31,8 @@ public function testWorksWithEmptyGenerator() {
         $this->assertEquals([], $results);
     }
 
-    public function testWorksTwice() {
+    public function testWorksTwice()
+    {
         $generator = function () {
             foreach (range(0, 2) as $value) {
                 yield $value;
@@ -42,4 +45,32 @@ public function testWorksTwice() {
         $results = iterator_to_array($cachedGenerator);
         $this->assertEquals(range(0, 2), $results);
     }
+
+    public function testExposesInnerGenerator()
+    {
+        $generator = function () {
+            foreach (range(0, 2) as $value) {
+                yield $value;
+            }
+        };
+
+        $generatorInstance = $generator();
+        $cachedGenerator = new CachedGenerator($generatorInstance);
+
+        $this->assertEquals($generatorInstance, $cachedGenerator->getInnerIterator());
+    }
+
+    public function testExposesCache()
+    {
+        $generator = function () {
+            foreach (range(0, 2) as $value) {
+                yield $value;
+            }
+        };
+        $cachedGenerator = new CachedGenerator($generator());
+
+        $results = iterator_to_array($cachedGenerator);
+
+        $this->assertEquals($results, $cachedGenerator->getCache());
+    }
 }