Added a regression test for a leak in after

tests/b6b_test_evloop_after.c

@@ -0,0 +1,34 @@
+/*
+ * This file is part of b6b.
+ *
+ * Copyright 2018 Dima Krasner
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <assert.h>
+
+#include <b6b.h>
+
+int main()
+{
+	struct b6b_interp interp;
+
+	/* regression test: this used to leak the event loop */
+	assert(b6b_interp_new_argv(&interp, 0, NULL, B6B_OPT_TRACE));
+	assert(b6b_call_copy(&interp, "{[$evloop] after 1 {}}", 22) == B6B_OK);
+	b6b_interp_destroy(&interp);
+
+	return EXIT_SUCCESS;
+}

tests/meson.build

@@ -112,7 +112,8 @@ stream_tests = [
 	['un_server', 'quick', 5],
 	['un_client', 'quick', 5],
 	['inet_server', 'quick', 5],
-	['inet_client', 'quick', 5]
+	['inet_client', 'quick', 5],
+	['evloop_after', 'quick', 5]
 ]
 
 binding_tests = []