Fix errors on tests

Author: terremoth

src/Terremoth/Async/background_processor.php

@@ -13,7 +13,7 @@
 use Laravel\SerializableClosure\SerializableClosure;
 
 if (!isset($argv[1])) {
-    custom_error('Shmop Key not provided');
+    customError('Shmop Key not provided');
     exit(1);
 }
 
@@ -22,14 +22,14 @@
 $shmopInstance = shmop_open($key, 'a', 0, 0);
 
 if (!$shmopInstance) {
-    custom_error('Could not open Shmop');
+    customError('Could not open Shmop');
     exit(1);
 }
 
 $length = shmop_size($shmopInstance);
 
 if ($length === 0) {
-    custom_error('Shmop length cannot be zero!');
+    customError('Shmop length cannot be zero!');
     exit(1);
 }
 

src/Terremoth/Async/script_functions.php

@@ -2,7 +2,7 @@
 
 namespace Terremoth\Async;
 
-function custom_error(string $error): void
+function customError(string $error): void
 {
     $error = 'Error: ' . $error;
     fwrite(STDERR, $error);

tests/Terremoth/AsyncTest/ProcessTest.php

@@ -76,7 +76,7 @@ public function testSendActuallyWritesSerializedClosureToShmop(): void
 
     public function testSendThrowsWhenShmopCannotBeCreated(): void
     {
-        $badKey = PHP_INT_MAX;
+        $badKey = -1; // impossible key
 
         $process = new Process($badKey);
 

tests/Terremoth/AsyncTest/ScriptFunctionsTest.php

@@ -8,7 +8,7 @@
 
 /**
  * @covers \Terremoth\Async\stringFromMemoryBlock
- * @covers \Terremoth\Async\error
+ * @covers \Terremoth\Async\customError
  */
 class ScriptFunctionsTest extends TestCase
 {