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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstdint>
#include "src/base/logging.h"
#include "src/objects.h"
#include "testing/gtest-support.h"
namespace v8 {
namespace base {
namespace logging_unittest {
namespace {
#define CHECK_SUCCEED(NAME, lhs, rhs) \
{ \
std::string* error_message = \
Check##NAME##Impl<decltype(lhs), decltype(rhs)>((lhs), (rhs), ""); \
EXPECT_EQ(nullptr, error_message); \
}
#define CHECK_FAIL(NAME, lhs, rhs) \
{ \
std::string* error_message = \
Check##NAME##Impl<decltype(lhs), decltype(rhs)>((lhs), (rhs), ""); \
EXPECT_NE(nullptr, error_message); \
delete error_message; \
}
} // namespace
TEST(LoggingTest, CheckEQImpl) {
CHECK_SUCCEED(EQ, 0.0, 0.0);
CHECK_SUCCEED(EQ, 0.0, -0.0);
CHECK_SUCCEED(EQ, -0.0, 0.0);
CHECK_SUCCEED(EQ, -0.0, -0.0);
}
TEST(LoggingTest, CompareSignedMismatch) {
CHECK_SUCCEED(EQ, static_cast<int32_t>(14), static_cast<uint32_t>(14));
CHECK_FAIL(EQ, static_cast<int32_t>(14), static_cast<uint32_t>(15));
CHECK_FAIL(EQ, static_cast<int32_t>(-1), static_cast<uint32_t>(-1));
CHECK_SUCCEED(LT, static_cast<int32_t>(-1), static_cast<uint32_t>(0));
CHECK_SUCCEED(LT, static_cast<int32_t>(-1), static_cast<uint32_t>(-1));
CHECK_SUCCEED(LE, static_cast<int32_t>(-1), static_cast<uint32_t>(0));
CHECK_SUCCEED(LE, static_cast<int32_t>(55), static_cast<uint32_t>(55));
CHECK_SUCCEED(LT, static_cast<int32_t>(55),
static_cast<uint32_t>(0x7FFFFF00));
CHECK_SUCCEED(LE, static_cast<int32_t>(55),
static_cast<uint32_t>(0x7FFFFF00));
CHECK_SUCCEED(GE, static_cast<uint32_t>(0x7FFFFF00),
static_cast<int32_t>(55));
CHECK_SUCCEED(GT, static_cast<uint32_t>(0x7FFFFF00),
static_cast<int32_t>(55));
CHECK_SUCCEED(GT, static_cast<uint32_t>(-1), static_cast<int32_t>(-1));
CHECK_SUCCEED(GE, static_cast<uint32_t>(0), static_cast<int32_t>(-1));
CHECK_SUCCEED(LT, static_cast<int8_t>(-1), static_cast<uint32_t>(0));
CHECK_SUCCEED(GT, static_cast<uint64_t>(0x7F01010101010101), 0);
CHECK_SUCCEED(LE, static_cast<int64_t>(0xFF01010101010101),
static_cast<uint8_t>(13));
}
TEST(LoggingTest, CompareAgainstStaticConstPointer) {
// These used to produce link errors before http://crrev.com/2524093002.
CHECK_FAIL(EQ, v8::internal::Smi::kZero, v8::internal::Smi::FromInt(17));
CHECK_SUCCEED(GT, 0, v8::internal::Smi::kMinValue);
}
#define CHECK_BOTH(name, lhs, rhs) \
CHECK_##name(lhs, rhs); \
DCHECK_##name(lhs, rhs)
namespace {
std::string FailureMessage(const char* msg, const char* debug_msg) {
std::string regexp(msg);
#ifdef DEBUG
regexp.append(" (").append(debug_msg).append(")");
#endif
size_t last_pos = 0;
do {
size_t pos = regexp.find_first_of("(){}+*", last_pos);
if (pos == std::string::npos) break;
regexp.insert(pos, "\\");
last_pos = pos + 2;
} while (true);
return regexp;
}
} // namespace
TEST(LoggingTest, CompareWithDifferentSignedness) {
int32_t i32 = 10;
uint32_t u32 = 20;
int64_t i64 = 30;
uint64_t u64 = 40;
// All these checks should compile (!) and succeed.
CHECK_BOTH(EQ, i32 + 10, u32);
CHECK_BOTH(LT, i32, u64);
CHECK_BOTH(LE, u32, i64);
CHECK_BOTH(IMPLIES, i32, i64);
CHECK_BOTH(IMPLIES, u32, i64);
CHECK_BOTH(IMPLIES, !u32, !i64);
// Check that the values are output correctly on error.
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_GT(i32, u64); })(),
FailureMessage("Check failed: i32 > u64", "10 vs. 40"));
}
TEST(LoggingTest, CompareWithReferenceType) {
int32_t i32 = 10;
uint32_t u32 = 20;
int64_t i64 = 30;
uint64_t u64 = 40;
// All these checks should compile (!) and succeed.
CHECK_BOTH(EQ, i32 + 10, *&u32);
CHECK_BOTH(LT, *&i32, u64);
CHECK_BOTH(IMPLIES, *&i32, i64);
CHECK_BOTH(IMPLIES, *&i32, u64);
// Check that the values are output correctly on error.
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_GT(*&i32, u64); })(),
FailureMessage("Check failed: *&i32 > u64", "10 vs. 40"));
}
enum TestEnum1 { ONE, TWO };
enum TestEnum2 : uint16_t { FOO = 14, BAR = 5 };
enum class TestEnum3 { A, B };
enum class TestEnum4 : uint8_t { FIRST, SECOND };
TEST(LoggingTest, CompareEnumTypes) {
// All these checks should compile (!) and succeed.
CHECK_BOTH(EQ, ONE, ONE);
CHECK_BOTH(LT, ONE, TWO);
CHECK_BOTH(EQ, BAR, 5);
CHECK_BOTH(LT, BAR, FOO);
CHECK_BOTH(EQ, TestEnum3::A, TestEnum3::A);
CHECK_BOTH(LT, TestEnum3::A, TestEnum3::B);
CHECK_BOTH(EQ, TestEnum4::FIRST, TestEnum4::FIRST);
CHECK_BOTH(LT, TestEnum4::FIRST, TestEnum4::SECOND);
}
class TestClass1 {
public:
bool operator==(const TestClass1&) const { return true; }
bool operator!=(const TestClass1&) const { return false; }
};
class TestClass2 {
public:
explicit TestClass2(int val) : val_(val) {}
bool operator<(const TestClass2& other) const { return val_ < other.val_; }
int val() const { return val_; }
private:
int val_;
};
std::ostream& operator<<(std::ostream& str, const TestClass2& val) {
return str << "TestClass2(" << val.val() << ")";
}
TEST(LoggingTest, CompareClassTypes) {
// All these checks should compile (!) and succeed.
CHECK_BOTH(EQ, TestClass1{}, TestClass1{});
CHECK_BOTH(LT, TestClass2{2}, TestClass2{7});
// Check that the values are output correctly on error.
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_NE(TestClass1{}, TestClass1{}); })(),
FailureMessage("Check failed: TestClass1{} != TestClass1{}",
"<unprintable> vs. <unprintable>"));
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_LT(TestClass2{4}, TestClass2{3}); })(),
FailureMessage("Check failed: TestClass2{4} < TestClass2{3}",
"TestClass2(4) vs. TestClass2(3)"));
}
TEST(LoggingDeathTest, OutputEnumValues) {
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_EQ(ONE, TWO); })(),
FailureMessage("Check failed: ONE == TWO", "0 vs. 1"));
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_NE(BAR, 2 + 3); })(),
FailureMessage("Check failed: BAR != 2 + 3", "5 vs. 5"));
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_EQ(TestEnum3::A, TestEnum3::B); })(),
FailureMessage("Check failed: TestEnum3::A == TestEnum3::B", "0 vs. 1"));
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_GE(TestEnum4::FIRST, TestEnum4::SECOND); })(),
FailureMessage("Check failed: TestEnum4::FIRST >= TestEnum4::SECOND",
"0 vs. 1"));
}
enum TestEnum5 { TEST_A, TEST_B };
enum class TestEnum6 { TEST_C, TEST_D };
std::ostream& operator<<(std::ostream& str, TestEnum5 val) {
return str << (val == TEST_A ? "A" : "B");
}
void operator<<(std::ostream& str, TestEnum6 val) {
str << (val == TestEnum6::TEST_C ? "C" : "D");
}
TEST(LoggingDeathTest, OutputEnumWithOutputOperator) {
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_EQ(TEST_A, TEST_B); })(),
FailureMessage("Check failed: TEST_A == TEST_B", "A vs. B"));
ASSERT_DEATH_IF_SUPPORTED(
([&] { CHECK_GE(TestEnum6::TEST_C, TestEnum6::TEST_D); })(),
FailureMessage("Check failed: TestEnum6::TEST_C >= TestEnum6::TEST_D",
"C vs. D"));
}
TEST(LoggingDeathTest, FatalKills) {
ASSERT_DEATH_IF_SUPPORTED(FATAL("Dread pirate"), "Dread pirate");
}
TEST(LoggingDeathTest, DcheckIsOnlyFatalInDebug) {
#ifdef DEBUG
ASSERT_DEATH_IF_SUPPORTED(DCHECK(false && "Dread pirate"), "Dread pirate");
#else
// DCHECK should be non-fatal if DEBUG is undefined.
DCHECK(false && "I'm a benign teapot");
#endif
}
namespace {
void DcheckOverrideFunction(const char*, int, const char*) {}
} // namespace
TEST(LoggingDeathTest, V8_DcheckCanBeOverridden) {
// Default DCHECK state should be fatal.
ASSERT_DEATH_IF_SUPPORTED(V8_Dcheck(__FILE__, __LINE__, "Dread pirate"),
"Dread pirate");
ASSERT_DEATH_IF_SUPPORTED(
{
v8::base::SetDcheckFunction(&DcheckOverrideFunction);
// This should be non-fatal.
V8_Dcheck(__FILE__, __LINE__, "I'm a benign teapot.");
// Restore default behavior, and assert on lethality.
v8::base::SetDcheckFunction(nullptr);
V8_Dcheck(__FILE__, __LINE__, "Dread pirate");
},
"Dread pirate");
}
} // namespace logging_unittest
} // namespace base
} // namespace v8
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