blob: a95edecdf8a2bf273c8d0950340ce4dae559fd9c [file] [log] [blame]
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#include <ostream>
#include <string>
#include <tuple>
#include <vector>
#include "google/protobuf/descriptor.pb.h"
#include <gmock/gmock.h>
#include "google/protobuf/testing/googletest.h"
#include <gtest/gtest.h>
#include "absl/container/flat_hash_map.h"
#include "absl/log/absl_check.h"
#include "absl/strings/str_join.h"
#include "absl/strings/string_view.h"
#include "google/protobuf/io/printer.h"
#include "google/protobuf/io/zero_copy_stream.h"
#include "google/protobuf/io/zero_copy_stream_impl.h"
#include "google/protobuf/io/zero_copy_stream_impl_lite.h"
namespace google {
namespace protobuf {
namespace io {
namespace {
class PrinterDeathTest : public testing::Test {
protected:
ZeroCopyOutputStream* output() {
ABSL_CHECK(stream_.has_value());
return &*stream_;
}
absl::string_view written() {
stream_.reset();
return out_;
}
std::string out_;
absl::optional<StringOutputStream> stream_{&out_};
};
// FakeDescriptorFile defines only those members that Printer uses to write out
// annotations.
struct FakeDescriptorFile {
const std::string& name() const { return filename; }
std::string filename;
};
// FakeDescriptor defines only those members that Printer uses to write out
// annotations.
struct FakeDescriptor {
const FakeDescriptorFile* file() const { return &fake_file; }
void GetLocationPath(std::vector<int>* output) const { *output = path; }
FakeDescriptorFile fake_file;
std::vector<int> path;
};
class FakeAnnotationCollector : public AnnotationCollector {
public:
~FakeAnnotationCollector() override = default;
using AnnotationCollector::AddAnnotation;
void AddAnnotation(size_t begin_offset, size_t end_offset,
const std::string& file_path,
const std::vector<int>& path) override {
}
};
#if GTEST_HAS_DEATH_TEST
TEST_F(PrinterDeathTest, Death) {
Printer printer(output(), '$');
EXPECT_DEBUG_DEATH(printer.Print("$nosuchvar$"), "");
EXPECT_DEBUG_DEATH(printer.Print("$unclosed"), "");
EXPECT_DEBUG_DEATH(printer.Outdent(), "");
}
TEST_F(PrinterDeathTest, AnnotateMultipleUsesDeath) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
printer.Print("012$foo$4$foo$\n", "foo", "3");
FakeDescriptor descriptor{{"path"}, {33}};
EXPECT_DEBUG_DEATH(printer.Annotate("foo", "foo", &descriptor), "");
}
TEST_F(PrinterDeathTest, AnnotateNegativeLengthDeath) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
printer.Print("012$foo$4$bar$\n", "foo", "3", "bar", "5");
FakeDescriptor descriptor{{"path"}, {33}};
EXPECT_DEBUG_DEATH(printer.Annotate("bar", "foo", &descriptor), "");
}
TEST_F(PrinterDeathTest, AnnotateUndefinedDeath) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
printer.Print("012$foo$4$foo$\n", "foo", "3");
FakeDescriptor descriptor{{"path"}, {33}};
EXPECT_DEBUG_DEATH(printer.Annotate("bar", "bar", &descriptor), "");
}
TEST_F(PrinterDeathTest, FormatInternalUnusedArgs) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
EXPECT_DEATH(printer.FormatInternal({"arg1", "arg2"}, {}, "$1$"), "");
}
TEST_F(PrinterDeathTest, FormatInternalOutOfOrderArgs) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
EXPECT_DEATH(printer.FormatInternal({"arg1", "arg2"}, {}, "$2$ $1$"), "");
}
TEST_F(PrinterDeathTest, FormatInternalZeroArg) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
EXPECT_DEATH(printer.FormatInternal({"arg1", "arg2"}, {}, "$0$"), "");
}
TEST_F(PrinterDeathTest, FormatInternalOutOfBounds) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
EXPECT_DEATH(printer.FormatInternal({"arg1", "arg2"}, {}, "$1$ $2$ $3$"), "");
}
TEST_F(PrinterDeathTest, FormatInternalUnknownVar) {
FakeAnnotationCollector collector;
Printer printer(output(), '$', &collector);
EXPECT_DEATH(printer.FormatInternal({}, {}, "$huh$"), "");
EXPECT_DEATH(printer.FormatInternal({}, {}, "$ $"), "");
}
#endif // GTEST_HAS_DEATH_TEST
} // namespace
} // namespace io
} // namespace protobuf
} // namespace google