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146 lines
3.5 KiB
C++
146 lines
3.5 KiB
C++
// test.h -- simplistic test framework for gold unittests -*- C++ -*-
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// Copyright (C) 2006-2020 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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#ifndef GOLD_TESTSUITE_TEST_H
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#define GOLD_TESTSUITE_TEST_H
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namespace gold_testsuite
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{
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class Test_report;
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// This class handles basic test framework functionality.
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class Test_framework
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{
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public:
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Test_framework()
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: testname_(NULL), current_fail_(0), passes_(0), failures_(0)
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{ }
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// Return number of failures.
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unsigned int
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failures() const
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{ return this->failures_; }
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// Run a test.
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void
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run(const char* name, bool (*pfn)(Test_report*));
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// Get the current Test_report. This is used by the test support
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// macros.
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static Test_report*
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report()
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{ return Test_framework::current_report; }
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private:
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friend class Test_report;
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// Cause the current test to fail.
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void
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fail(const char* filename, int lineno);
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// Report an error from the current test.
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void
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error(const char* message);
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// Current Test_report. This is a static variable valid while a
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// test is being run.
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static Test_report* current_report;
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// Current test being run.
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const char* testname_;
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// Whether the current test is failing.
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bool current_fail_;
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// Total number of passeed tests.
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unsigned int passes_;
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// Total number of failed tests.
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unsigned int failures_;
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};
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// An instance of this class is passed to each test function.
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class Test_report
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{
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public:
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Test_report(Test_framework* tf)
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: tf_(tf)
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{ }
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// Mark the test as failing.
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void
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fail(const char* filename, int lineno)
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{ this->tf_->fail(filename, lineno); }
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// Report an error.
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void
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error(const char* message)
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{ this->tf_->error(message); }
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private:
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Test_framework* tf_;
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};
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// This class registers a test function so that the testsuite runs it.
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class Register_test
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{
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public:
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Register_test(const char* name, bool (*pfn)(Test_report*));
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// Run all registered tests.
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static void
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run_tests(Test_framework*);
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private:
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// Linked list of all tests.
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static Register_test* all_tests;
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// Test name.
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const char* name_;
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// Function to call. It should return true if the test passes,
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// false if it fails.
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bool (*pfn_)(Test_report*);
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// Next test in linked list.
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Register_test* next_;
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};
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} // End namespace gold_testsuite.
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// These macros are for convenient use in tests.
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// Check that a condition is true. If it is false, report a failure.
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#define CHECK(cond) \
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((void) \
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((cond) \
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? 0 \
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: (::gold_testsuite::Test_framework::report()->fail(__FILE__, \
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__LINE__), \
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0)))
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// Report an error during a test.
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#define ERROR(msg) (::gold_testsuite::Test_framework::report()->error(msg))
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#endif // !defined(GOLD_TESTSUITE_TEST_H)
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