From 4d9c98b14690c508f0e877439c0a53e61f596733 Mon Sep 17 00:00:00 2001
From: ncteisen <ncteisen@gmail.com>
Date: Thu, 9 Nov 2017 12:43:15 -0800
Subject: split POC into real test

---
 test/core/support/manual_constructor_test.cc | 97 ++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 test/core/support/manual_constructor_test.cc

(limited to 'test/core/support')

diff --git a/test/core/support/manual_constructor_test.cc b/test/core/support/manual_constructor_test.cc
new file mode 100644
index 0000000000..13368ee62b
--- /dev/null
+++ b/test/core/support/manual_constructor_test.cc
@@ -0,0 +1,97 @@
+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * 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.
+ *
+ */
+
+/* Test of gpr synchronization support. */
+
+#include "src/core/lib/support/abstract.h"
+#include "src/core/lib/support/manual_constructor.h"
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <cstring>
+#include "test/core/util/test_config.h"
+
+class A {
+ public:
+  A() {}
+  virtual ~A() {}
+  virtual const char* foo() { return "A_foo"; }
+  virtual const char* bar() { return "A_bar"; }
+  GRPC_ABSTRACT_BASE_CLASS
+};
+
+class B : public A {
+ public:
+  B() {}
+  ~B() {}
+  const char* foo() override { return "B_foo"; }
+  char get_junk() { return junk[0]; }
+ private:
+  char junk[1000];
+};
+
+class C : public B {
+ public:
+  C() {}
+  ~C() {}
+  virtual const char* bar() { return "C_bar"; }
+  char get_more_junk() { return more_junk[0]; }
+ private:
+  char more_junk[1000];
+};
+
+class D : public A {
+ public:
+  virtual const char* bar() { return "D_bar"; }
+};
+
+static void basic_test() {
+  grpc_core::PolymorphicManualConstructor<A, B> poly;
+  poly.Init<B>();
+  GPR_ASSERT(!strcmp(poly->foo(), "B_foo"));
+  GPR_ASSERT(!strcmp(poly->bar(), "A_bar"));
+}
+
+static void complex_test() {
+  grpc_core::PolymorphicManualConstructor<A, B, C, D> polyB;
+  polyB.Init<B>();
+  GPR_ASSERT(!strcmp(polyB->foo(), "B_foo"));
+  GPR_ASSERT(!strcmp(polyB->bar(), "A_bar"));
+
+  grpc_core::PolymorphicManualConstructor<A, B, C, D> polyC;
+  polyC.Init<C>();
+  GPR_ASSERT(!strcmp(polyC->foo(), "B_foo"));
+  GPR_ASSERT(!strcmp(polyC->bar(), "C_bar"));
+
+  grpc_core::PolymorphicManualConstructor<A, B, C, D> polyD;
+  polyD.Init<D>();
+  GPR_ASSERT(!strcmp(polyD->foo(), "A_foo"));
+  GPR_ASSERT(!strcmp(polyD->bar(), "D_bar"));
+}
+
+/* ------------------------------------------------- */
+
+int main(int argc, char* argv[]) {
+  grpc_test_init(argc, argv);
+  basic_test();
+  complex_test();
+  return 0;
+}
-- 
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