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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// 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.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#include <google/protobuf/extension_set.h>
#include <google/protobuf/unittest.pb.h>
#include <google/protobuf/test_util.h>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
namespace google {
namespace protobuf {
namespace internal {
namespace {
// This test closely mirrors google/protobuf/compiler/cpp/unittest.cc
// except that it uses extensions rather than regular fields.
TEST(ExtensionSetTest, Defaults) {
// Check that all default values are set correctly in the initial message.
unittest::TestAllExtensions message;
TestUtil::ExpectExtensionsClear(message);
// Messages should return pointers to default instances until first use.
// (This is not checked by ExpectClear() since it is not actually true after
// the fields have been set and then cleared.)
EXPECT_EQ(&unittest::OptionalGroup_extension::default_instance(),
&message.GetExtension(unittest::optionalgroup_extension));
EXPECT_EQ(&unittest::TestAllTypes::NestedMessage::default_instance(),
&message.GetExtension(unittest::optional_nested_message_extension));
EXPECT_EQ(&unittest::ForeignMessage::default_instance(),
&message.GetExtension(
unittest::optional_foreign_message_extension));
EXPECT_EQ(&unittest_import::ImportMessage::default_instance(),
&message.GetExtension(unittest::optional_import_message_extension));
}
TEST(ExtensionSetTest, Accessors) {
// Set every field to a unique value then go back and check all those
// values.
unittest::TestAllExtensions message;
TestUtil::SetAllExtensions(&message);
TestUtil::ExpectAllExtensionsSet(message);
TestUtil::ModifyRepeatedExtensions(&message);
TestUtil::ExpectRepeatedExtensionsModified(message);
}
TEST(ExtensionSetTest, Clear) {
// Set every field to a unique value, clear the message, then check that
// it is cleared.
unittest::TestAllExtensions message;
TestUtil::SetAllExtensions(&message);
message.Clear();
TestUtil::ExpectExtensionsClear(message);
// Unlike with the defaults test, we do NOT expect that requesting embedded
// messages will return a pointer to the default instance. Instead, they
// should return the objects that were created when mutable_blah() was
// called.
EXPECT_NE(&unittest::OptionalGroup_extension::default_instance(),
&message.GetExtension(unittest::optionalgroup_extension));
EXPECT_NE(&unittest::TestAllTypes::NestedMessage::default_instance(),
&message.GetExtension(unittest::optional_nested_message_extension));
EXPECT_NE(&unittest::ForeignMessage::default_instance(),
&message.GetExtension(
unittest::optional_foreign_message_extension));
EXPECT_NE(&unittest_import::ImportMessage::default_instance(),
&message.GetExtension(unittest::optional_import_message_extension));
}
TEST(ExtensionSetTest, ClearOneField) {
// Set every field to a unique value, then clear one value and insure that
// only that one value is cleared.
unittest::TestAllExtensions message;
TestUtil::SetAllExtensions(&message);
int64 original_value =
message.GetExtension(unittest::optional_int64_extension);
// Clear the field and make sure it shows up as cleared.
message.ClearExtension(unittest::optional_int64_extension);
EXPECT_FALSE(message.HasExtension(unittest::optional_int64_extension));
EXPECT_EQ(0, message.GetExtension(unittest::optional_int64_extension));
// Other adjacent fields should not be cleared.
EXPECT_TRUE(message.HasExtension(unittest::optional_int32_extension));
EXPECT_TRUE(message.HasExtension(unittest::optional_uint32_extension));
// Make sure if we set it again, then all fields are set.
message.SetExtension(unittest::optional_int64_extension, original_value);
TestUtil::ExpectAllExtensionsSet(message);
}
TEST(ExtensionSetTest, CopyFrom) {
unittest::TestAllExtensions message1, message2;
string data;
TestUtil::SetAllExtensions(&message1);
message2.CopyFrom(message1);
TestUtil::ExpectAllExtensionsSet(message2);
}
TEST(ExtensionSetTest, Serialization) {
// Serialize as TestAllExtensions and parse as TestAllTypes to insure wire
// compatibility of extensions.
unittest::TestAllExtensions source;
unittest::TestAllTypes destination;
string data;
TestUtil::SetAllExtensions(&source);
source.SerializeToString(&data);
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectAllFieldsSet(destination);
}
TEST(ExtensionSetTest, Parsing) {
// Serialize as TestAllTypes and parse as TestAllExtensions.
unittest::TestAllTypes source;
unittest::TestAllExtensions destination;
string data;
TestUtil::SetAllFields(&source);
source.SerializeToString(&data);
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectAllExtensionsSet(destination);
}
TEST(ExtensionSetTest, IsInitialized) {
// Test that IsInitialized() returns false if required fields in nested
// extensions are missing.
unittest::TestAllExtensions message;
EXPECT_TRUE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single)->set_a(1);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single)->set_b(2);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single)->set_c(3);
EXPECT_TRUE(message.IsInitialized());
message.AddExtension(unittest::TestRequired::multi);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::multi, 0)->set_a(1);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::multi, 0)->set_b(2);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::multi, 0)->set_c(3);
EXPECT_TRUE(message.IsInitialized());
}
TEST(ExtensionSetTest, MutableString) {
// Test the mutable string accessors.
unittest::TestAllExtensions message;
message.MutableExtension(unittest::optional_string_extension)->assign("foo");
EXPECT_TRUE(message.HasExtension(unittest::optional_string_extension));
EXPECT_EQ("foo", message.GetExtension(unittest::optional_string_extension));
message.AddExtension(unittest::repeated_string_extension)->assign("bar");
ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_string_extension));
EXPECT_EQ("bar",
message.GetExtension(unittest::repeated_string_extension, 0));
}
} // namespace
} // namespace internal
} // namespace protobuf
} // namespace google
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