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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/crash/core/common/crash_key.h"
#include "base/debug/crash_logging.h"
#include "base/debug/stack_trace.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace crash_reporter {
namespace {
class CrashKeyStringTest : public testing::Test {
public:
void SetUp() override { InitializeCrashKeysForTesting(); }
void TearDown() override { ResetCrashKeysForTesting(); }
};
TEST_F(CrashKeyStringTest, ScopedCrashKeyString) {
static CrashKeyString<32> key("test-scope");
EXPECT_FALSE(key.is_set());
{
ScopedCrashKeyString scoper(&key, "value");
EXPECT_TRUE(key.is_set());
}
EXPECT_FALSE(key.is_set());
}
TEST_F(CrashKeyStringTest, FormatStackTrace) {
const uintptr_t addresses[] = {
0x0badbeef, 0x77778888, 0xabc, 0x000ddeeff, 0x12345678,
};
base::debug::StackTrace trace(
// SAFETY: The span uses the array's first element and size. We have to
// use the unsafe constructor because of the cast which throws away the
// size information from the type.
UNSAFE_BUFFERS(base::span(reinterpret_cast<const void* const*>(addresses),
std::size(addresses))));
std::string too_small = internal::FormatStackTrace(trace, 3);
EXPECT_EQ(0u, too_small.size());
std::string one_value = internal::FormatStackTrace(trace, 16);
EXPECT_EQ("0xbadbeef", one_value);
std::string three_values = internal::FormatStackTrace(trace, 30);
EXPECT_EQ("0xbadbeef 0x77778888 0xabc", three_values);
std::string all_values = internal::FormatStackTrace(trace, 128);
EXPECT_EQ("0xbadbeef 0x77778888 0xabc 0xddeeff 0x12345678", all_values);
}
#if defined(ARCH_CPU_64_BITS)
TEST_F(CrashKeyStringTest, FormatStackTrace64) {
const uintptr_t addresses[] = {
0xbaaaabaaaaba, 0x1000000000000000,
};
base::debug::StackTrace trace(
// SAFETY: The span uses the array's first element and size. We have to
// use the unsafe constructor because of the cast which throws away the
// size information from the type.
UNSAFE_BUFFERS(base::span(reinterpret_cast<const void* const*>(addresses),
std::size(addresses))));
std::string too_small = internal::FormatStackTrace(trace, 8);
EXPECT_EQ(0u, too_small.size());
std::string one_value = internal::FormatStackTrace(trace, 20);
EXPECT_EQ("0xbaaaabaaaaba", one_value);
std::string all_values = internal::FormatStackTrace(trace, 35);
EXPECT_EQ("0xbaaaabaaaaba 0x1000000000000000", all_values);
}
#endif
// In certain build configurations, StackTrace will produce an
// empty result, which will cause the test to fail.
#if !defined(OFFICIAL_BUILD) && !defined(NO_UNWIND_TABLES)
TEST_F(CrashKeyStringTest, SetStackTrace) {
static CrashKeyString<1024> key("test-trace");
EXPECT_FALSE(key.is_set());
SetCrashKeyStringToStackTrace(&key, base::debug::StackTrace());
EXPECT_TRUE(key.is_set());
}
#endif
TEST_F(CrashKeyStringTest, BaseSupport) {
static base::debug::CrashKeyString* crash_key =
base::debug::AllocateCrashKeyString("base-support",
base::debug::CrashKeySize::Size64);
EXPECT_TRUE(crash_key);
base::debug::SetCrashKeyString(crash_key, "this is a test");
base::debug::ClearCrashKeyString(crash_key);
base::debug::SetCrashKeyString(crash_key, std::string(128, 'b'));
base::debug::SetCrashKeyString(crash_key, std::string(64, 'a'));
}
TEST_F(CrashKeyStringTest, CArrayInitializer) {
static CrashKeyString<8> keys[] = {
{"test-1", CrashKeyString<8>::Tag::kArray},
{"test-2", CrashKeyString<8>::Tag::kArray},
{"test-3", CrashKeyString<8>::Tag::kArray},
};
EXPECT_FALSE(keys[0].is_set());
EXPECT_FALSE(keys[1].is_set());
EXPECT_FALSE(keys[2].is_set());
keys[1].Set("test");
EXPECT_FALSE(keys[0].is_set());
EXPECT_TRUE(keys[1].is_set());
EXPECT_FALSE(keys[2].is_set());
}
} // namespace
} // namespace crash_reporter
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