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//RUN: %clang_analyze_cc1 -cc1 -std=c++11 -analyzer-checker=core,apiModeling.google.GTest,debug.ExprInspection %s -verify
//RUN: %clang_analyze_cc1 -cc1 -std=c++11 -analyzer-checker=core,apiModeling.google.GTest,debug.ExprInspection -DGTEST_VERSION_1_8_AND_LATER=1 %s -verify
void clang_analyzer_eval(int);
void clang_analyzer_warnIfReached();
namespace std {
class string {
public:
~string();
const char *c_str();
};
}
namespace testing {
class Message { };
class TestPartResult {
public:
enum Type {
kSuccess,
kNonFatalFailure,
kFatalFailure
};
};
namespace internal {
class AssertHelper {
public:
AssertHelper(TestPartResult::Type type, const char* file, int line,
const char* message);
~AssertHelper();
void operator=(const Message& message) const;
};
template <typename T>
struct AddReference { typedef T& type; };
template <typename T>
struct AddReference<T&> { typedef T& type; };
template <typename From, typename To>
class ImplicitlyConvertible {
private:
static typename AddReference<From>::type MakeFrom();
static char Helper(To);
static char (&Helper(...))[2];
public:
static const bool value =
sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1;
};
template <typename From, typename To>
const bool ImplicitlyConvertible<From, To>::value;
template<bool> struct EnableIf;
template<> struct EnableIf<true> { typedef void type; };
} // end internal
class AssertionResult {
public:
// The implementation for the copy constructor is not exposed in the
// interface.
AssertionResult(const AssertionResult& other);
#if defined(GTEST_VERSION_1_8_AND_LATER)
template <typename T>
explicit AssertionResult(
const T& success,
typename internal::EnableIf<
!internal::ImplicitlyConvertible<T, AssertionResult>::value>::type*
/*enabler*/ = 0)
: success_(success) {}
#else
explicit AssertionResult(bool success) : success_(success) {}
#endif
operator bool() const { return success_; }
// The actual AssertionResult does not have an explicit destructor, but
// it does have a non-trivial member veriable, so we add a destructor here
// to force temporary cleanups.
~AssertionResult();
private:
bool success_;
};
namespace internal {
std::string GetBoolAssertionFailureMessage(
const AssertionResult& assertion_result,
const char* expression_text,
const char* actual_predicate_value,
const char* expected_predicate_value);
} // end internal
} // end testing
#define GTEST_MESSAGE_AT_(file, line, message, result_type) \
::testing::internal::AssertHelper(result_type, file, line, message) \
= ::testing::Message()
#define GTEST_MESSAGE_(message, result_type) \
GTEST_MESSAGE_AT_(__FILE__, __LINE__, message, result_type)
#define GTEST_FATAL_FAILURE_(message) \
return GTEST_MESSAGE_(message, ::testing::TestPartResult::kFatalFailure)
#define GTEST_NONFATAL_FAILURE_(message) \
GTEST_MESSAGE_(message, ::testing::TestPartResult::kNonFatalFailure)
# define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default:
#define GTEST_TEST_BOOLEAN_(expression, text, actual, expected, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (const ::testing::AssertionResult gtest_ar_ = \
::testing::AssertionResult(expression)) \
; \
else \
fail(::testing::internal::GetBoolAssertionFailureMessage(\
gtest_ar_, text, #actual, #expected).c_str())
#define EXPECT_TRUE(condition) \
GTEST_TEST_BOOLEAN_((condition), #condition, false, true, \
GTEST_NONFATAL_FAILURE_)
#define ASSERT_TRUE(condition) \
GTEST_TEST_BOOLEAN_((condition), #condition, false, true, \
GTEST_FATAL_FAILURE_)
#define ASSERT_FALSE(condition) \
GTEST_TEST_BOOLEAN_(!(condition), #condition, true, false, \
GTEST_FATAL_FAILURE_)
void testAssertTrue(int *p) {
ASSERT_TRUE(p != nullptr);
EXPECT_TRUE(1 == *p); // no-warning
}
void testAssertFalse(int *p) {
ASSERT_FALSE(p == nullptr);
EXPECT_TRUE(1 == *p); // no-warning
}
void testConstrainState(int p) {
ASSERT_TRUE(p == 7);
clang_analyzer_eval(p == 7); // expected-warning {{TRUE}}
ASSERT_TRUE(false);
clang_analyzer_warnIfReached(); // no-warning
}
void testAssertSymbolicPtr(const bool *b) {
ASSERT_TRUE(*b); // no-crash
clang_analyzer_eval(*b); // expected-warning{{TRUE}}
}
void testAssertSymbolicRef(const bool &b) {
ASSERT_TRUE(b); // no-crash
clang_analyzer_eval(b); // expected-warning{{TRUE}}
}
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