Adds support for receiving datasets in higher order tests

src/Support/HigherOrderCallables.php

@@ -35,7 +35,7 @@ final class HigherOrderCallables
      */
     public function expect($value)
     {
-        return new Expectation($value instanceof Closure ? Reflection::bindCallable($value) : $value);
+        return new Expectation($value instanceof Closure ? Reflection::bindCallableWithData($value) : $value);
     }
 
     /**
@@ -59,7 +59,7 @@ final class HigherOrderCallables
      */
     public function tap(callable $callable)
     {
-        Reflection::bindCallable($callable);
+        Reflection::bindCallableWithData($callable);
 
         return $this->target;
     }

src/Support/Reflection.php

@@ -60,6 +60,21 @@ final class Reflection
         return Closure::fromCallable($callable)->bindTo(TestSuite::getInstance()->test)(...$args);
     }
 
+    /**
+     * Bind a callable to the TestCase and return the result,
+     * passing in the current dataset values as arguments.
+     *
+     * @return mixed
+     */
+    public static function bindCallableWithData(callable $callable)
+    {
+        $test = TestSuite::getInstance()->test;
+
+        return $test === null
+            ? static::bindCallable($callable)
+            : Closure::fromCallable($callable)->bindTo($test)(...$test->getProvidedData());
+    }
+
     /**
      * Infers the file name from the given closure.
      */