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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/debug/crash_logging.h"
#include <map>
#include <memory>
#include <sstream>
#include "base/memory/raw_ref.h"
#include "base/strings/string_piece.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::ElementsAre;
using ::testing::IsEmpty;
using ::testing::Pair;
namespace base {
namespace debug {
namespace {
class TestCrashKeyImplementation : public CrashKeyImplementation {
public:
explicit TestCrashKeyImplementation(std::map<std::string, std::string>& data)
: data_(data) {}
TestCrashKeyImplementation(const TestCrashKeyImplementation&) = delete;
TestCrashKeyImplementation& operator=(const TestCrashKeyImplementation&) =
delete;
CrashKeyString* Allocate(const char* name, CrashKeySize size) override {
return new CrashKeyString(name, size);
}
void Set(CrashKeyString* crash_key, base::StringPiece value) override {
ASSERT_TRUE(data_->emplace(crash_key->name, value).second);
}
void Clear(CrashKeyString* crash_key) override {
ASSERT_EQ(1u, data_->erase(crash_key->name));
}
void OutputCrashKeysToStream(std::ostream& out) override {
out << "Got " << data_->size() << " crash keys.";
}
private:
const raw_ref<std::map<std::string, std::string>> data_;
};
} // namespace
class CrashLoggingTest : public ::testing::Test {
public:
CrashLoggingTest() {
SetCrashKeyImplementation(
std::make_unique<TestCrashKeyImplementation>(data_));
}
~CrashLoggingTest() override { SetCrashKeyImplementation(nullptr); }
const std::map<std::string, std::string>& data() const { return data_; }
private:
std::map<std::string, std::string> data_;
};
// Should not crash.
TEST(UninitializedCrashLoggingTest, Basic) {
static auto* crash_key = AllocateCrashKeyString("test", CrashKeySize::Size32);
EXPECT_FALSE(crash_key);
SetCrashKeyString(crash_key, "value");
ClearCrashKeyString(crash_key);
}
TEST_F(CrashLoggingTest, Basic) {
static auto* crash_key = AllocateCrashKeyString("test", CrashKeySize::Size32);
EXPECT_TRUE(crash_key);
EXPECT_THAT(data(), IsEmpty());
SetCrashKeyString(crash_key, "value");
EXPECT_THAT(data(), ElementsAre(Pair("test", "value")));
std::ostringstream stream;
OutputCrashKeysToStream(stream);
EXPECT_EQ("Got 1 crash keys.", stream.str());
ClearCrashKeyString(crash_key);
EXPECT_THAT(data(), IsEmpty());
std::ostringstream stream2;
OutputCrashKeysToStream(stream2);
EXPECT_EQ("Got 0 crash keys.", stream2.str());
}
// Verify that the macros are properly setting crash keys.
TEST_F(CrashLoggingTest, Macros) {
{
SCOPED_CRASH_KEY_BOOL("category", "bool-value", false);
EXPECT_THAT(data(), ElementsAre(Pair("category-bool-value", "false")));
}
{
SCOPED_CRASH_KEY_BOOL("category", "bool-value", true);
EXPECT_THAT(data(), ElementsAre(Pair("category-bool-value", "true")));
}
{
SCOPED_CRASH_KEY_NUMBER("category", "float-value", 0.5);
EXPECT_THAT(data(), ElementsAre(Pair("category-float-value", "0.5")));
}
{
SCOPED_CRASH_KEY_NUMBER("category", "int-value", 1);
EXPECT_THAT(data(), ElementsAre(Pair("category-int-value", "1")));
}
{
SCOPED_CRASH_KEY_STRING32("category", "string32-value", "餅");
EXPECT_THAT(data(), ElementsAre(Pair("category-string32-value", "餅")));
}
{
SCOPED_CRASH_KEY_STRING64("category", "string64-value", "餅");
EXPECT_THAT(data(), ElementsAre(Pair("category-string64-value", "餅")));
}
{
SCOPED_CRASH_KEY_STRING256("category", "string256-value", "餅");
EXPECT_THAT(data(), ElementsAre(Pair("category-string256-value", "餅")));
}
{
SCOPED_CRASH_KEY_STRING1024("category", "string1024-value", "餅");
EXPECT_THAT(data(), ElementsAre(Pair("category-string1024-value", "餅")));
}
}
// Test that the helper macros properly uniqify the internal variable used for
// the scoper.
TEST_F(CrashLoggingTest, MultipleCrashKeysInSameScope) {
SCOPED_CRASH_KEY_BOOL("category", "bool-value", false);
SCOPED_CRASH_KEY_NUMBER("category", "int-value", 1);
EXPECT_THAT(data(), ElementsAre(Pair("category-bool-value", "false"),
Pair("category-int-value", "1")));
std::ostringstream stream;
OutputCrashKeysToStream(stream);
EXPECT_EQ("Got 2 crash keys.", stream.str());
}
} // namespace debug
} // namespace base
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