Add observer test for generator with uncaught exception

Author: SammyK

ext/zend_test/tests/observer_generator_05.phpt

@@ -0,0 +1,53 @@
+--TEST--
+Observer: Generator with uncaught exception
+--SKIPIF--
+<?php if (!extension_loaded('zend-test')) die('skip: zend-test extension required'); ?>
+--INI--
+zend_test.observer.enabled=1
+zend_test.observer.observe_all=1
+zend_test.observer.show_return_value=1
+--FILE--
+<?php
+function fooResults() {
+    yield 0;
+    yield 1;
+    throw new RuntimeException('Oops!');
+}
+
+function doSomething() {
+    $generator = fooResults();
+    foreach ($generator as $value) {
+        echo $value . PHP_EOL;
+    }
+
+    return 'You should not see this';
+}
+
+echo doSomething() . PHP_EOL;
+?>
+--EXPECTF--
+<!-- init '%s/observer_generator_%d.php' -->
+<file '%s/observer_generator_%d.php'>
+  <!-- init doSomething() -->
+  <doSomething>
+    <!-- init fooResults() -->
+    <fooResults>
+    </fooResults:0>
+0
+    <fooResults>
+    </fooResults:1>
+1
+    <fooResults>
+      <!-- Exception: RuntimeException -->
+    </fooResults:NULL>
+    <!-- Exception: RuntimeException -->
+  </doSomething:NULL>
+  <!-- Exception: RuntimeException -->
+</file '%s/observer_generator_%d.php'>
+
+Fatal error: Uncaught RuntimeException: Oops! in %s/observer_generator_%d.php:%d
+Stack trace:
+#0 %s/observer_generator_%d.php(%d): fooResults()
+#1 %s/observer_generator_%d.php(%d): doSomething()
+#2 {main}
+  thrown in %s/observer_generator_%d.php on line %d