From f38b6ed041107330b7453def5139438b0b3e5978 Mon Sep 17 00:00:00 2001
From: Wang Kirin <wangqilintech@gmail.com>
Date: Tue, 30 Jul 2019 08:49:13 +0800
Subject: [PATCH] add test case in cpp_bootstrap_unittest.cc

---
 .../protobuf/compiler/cpp/cpp_bootstrap_unittest.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 mode change 100644 => 100755 src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc

diff --git a/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc b/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
old mode 100644
new mode 100755
index ef5be0365c..3e2b3ce275
--- a/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
+++ b/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
@@ -178,6 +178,19 @@ TEST(BootstrapTest, GeneratedFilesMatch) {
   }
 }
 
+//test Generate in cpp_generator.cc
+TEST(BootstrapTest, OptionNotExist)
+{
+  cpp::CppGenerator generator;
+  DescriptorPool pool;
+  GeneratorContext *generator_context = nullptr;
+  std::string parameter = "aaa";
+  string error;
+  ASSERT_FALSE(generator.Generate(pool.FindFileByName("google/protobuf/descriptor.proto"),
+                                  parameter, generator_context, &error));
+  EXPECT_EQ(error, "Unknown generator option: " + parameter);
+}
+
 }  // namespace
 
 }  // namespace cpp