binutils-gdb/gold/testsuite/test.h

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// test.h -- simplistic test framework for gold unittests -*- C++ -*-
#ifndef GOLD_TESTSUITE_TEST_H
#define GOLD_TESTSUITE_TEST_H
namespace gold_testsuite
{
class Test_report;
// This class handles basic test framework functionality.
class Test_framework
{
public:
Test_framework()
: testname_(NULL), current_fail_(0), passes_(0), failures_(0)
{ }
// Return number of failures.
unsigned int
failures() const
{ return this->failures_; }
// Run a test.
void
run(const char* name, bool (*pfn)(Test_report*));
// Get the current Test_report. This is used by the test support
// macros.
static Test_report*
report()
{ return Test_framework::current_report; }
private:
friend class Test_report;
// Cause the current test to fail.
void
fail()
{ ++this->current_fail_ = true; }
// Report an error from the current test.
void
error(const char* message);
// Current Test_report. This is a static variable valid while a
// test is being run.
static Test_report* current_report;
// Current test being run.
const char* testname_;
// Whether the current test is failing.
bool current_fail_;
// Total number of passeed tests.
unsigned int passes_;
// Total number of failed tests.
unsigned int failures_;
};
// An instance of this class is passed to each test function.
class Test_report
{
public:
Test_report(Test_framework* tf)
: tf_(tf)
{ }
// Mark the test as failing.
void
fail()
{ this->tf_->fail(); }
// Report an error.
void
error(const char* message)
{ this->tf_->error(message); }
private:
Test_framework* tf_;
};
// This class registers a test function so that the testsuite runs it.
class Register_test
{
public:
Register_test(const char* name, bool (*pfn)(Test_report*));
// Run all registered tests.
static void
run_tests(Test_framework*);
private:
// Linked list of all tests.
static Register_test* all_tests;
// Test name.
const char* name_;
// Function to call. It should return true if the test passes,
// false if it fails.
bool (*pfn_)(Test_report*);
// Next test in linked list.
Register_test* next_;
};
} // End namespace gold_testsuite.
// These macros are for convenient use in tests.
// Check that a condition is true. If it is false, report a failure.
#define CHECK(cond) \
((cond) ? 0 : (::gold_testsuite::Test_framework::report()->fail(), 0))
// Report an error during a test.
#define ERROR(msg) (::gold_testsuite::Test_framework::report()->error(msg))
#endif // !defined(GOLD_TESTSUITE_TEST_H)