The Tor Browser: comparison media/webrtc/trunk/testing/gtest/scripts/gen_gtest_pred

--1:000000000000
+:5b027548b8e2
+#!/usr/bin/env python
+#
+# Copyright 2006, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+"""gen_gtest_pred_impl.py v0.1
+Generates the implementation of Google Test predicate assertions and
+accompanying tests.
+Usage:
+gen_gtest_pred_impl.py MAX_ARITY
+where MAX_ARITY is a positive integer.
+The command generates the implementation of up-to MAX_ARITY-ary
+predicate assertions, and writes it to file gtest_pred_impl.h in the
+directory where the script is.  It also generates the accompanying
+unit test in file gtest_pred_impl_unittest.cc.
+"""
+__author__ = 'wan@google.com (Zhanyong Wan)'
+import os
+import sys
+import time
+# Where this script is.
+SCRIPT_DIR = os.path.dirname(sys.argv[0])
+# Where to store the generated header.
+HEADER = os.path.join(SCRIPT_DIR, '../include/gtest/gtest_pred_impl.h')
+# Where to store the generated unit test.
+UNIT_TEST = os.path.join(SCRIPT_DIR, '../test/gtest_pred_impl_unittest.cc')
+def HeaderPreamble(n):
+"""Returns the preamble for the header file.
+Args:
+n:  the maximum arity of the predicate macros to be generated.
+"""
+# A map that defines the values used in the preamble template.
+DEFS = {
+'today' : time.strftime('%m/%d/%Y'),
+'year' : time.strftime('%Y'),
+'command' : '%s %s' % (os.path.basename(sys.argv[0]), n),
+'n' : n
+}
+return (
+"""// Copyright 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// This file is AUTOMATICALLY GENERATED on %(today)s by command
+// '%(command)s'.  DO NOT EDIT BY HAND!
+//
+// Implements a family of generic predicate assertion macros.
+#ifndef GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
+#define GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
+// Makes sure this header is not included before gtest.h.
+#ifndef GTEST_INCLUDE_GTEST_GTEST_H_
+# error Do not include gtest_pred_impl.h directly.  Include gtest.h instead.
+#endif  // GTEST_INCLUDE_GTEST_GTEST_H_
+// This header implements a family of generic predicate assertion
+// macros:
+//
+//   ASSERT_PRED_FORMAT1(pred_format, v1)
+//   ASSERT_PRED_FORMAT2(pred_format, v1, v2)
+//   ...
+//
+// where pred_format is a function or functor that takes n (in the
+// case of ASSERT_PRED_FORMATn) values and their source expression
+// text, and returns a testing::AssertionResult.  See the definition
+// of ASSERT_EQ in gtest.h for an example.
+//
+// If you don't care about formatting, you can use the more
+// restrictive version:
+//
+//   ASSERT_PRED1(pred, v1)
+//   ASSERT_PRED2(pred, v1, v2)
+//   ...
+//
+// where pred is an n-ary function or functor that returns bool,
+// and the values v1, v2, ..., must support the << operator for
+// streaming to std::ostream.
+//
+// We also define the EXPECT_* variations.
+//
+// For now we only support predicates whose arity is at most %(n)s.
+// Please email googletestframework@googlegroups.com if you need
+// support for higher arities.
+// GTEST_ASSERT_ is the basic statement to which all of the assertions
+// in this file reduce.  Don't use this in your code.
+#define GTEST_ASSERT_(expression, on_failure) \\
+GTEST_AMBIGUOUS_ELSE_BLOCKER_ \\
+if (const ::testing::AssertionResult gtest_ar = (expression)) \\
+; \\
+else \\
+on_failure(gtest_ar.failure_message())
+""" % DEFS)
+def Arity(n):
+"""Returns the English name of the given arity."""
+if n < 0:
+return None
+elif n <= 3:
+return ['nullary', 'unary', 'binary', 'ternary'][n]
+else:
+return '%s-ary' % n
+def Title(word):
+"""Returns the given word in title case.  The difference between
+this and string's title() method is that Title('4-ary') is '4-ary'
+while '4-ary'.title() is '4-Ary'."""
+return word[0].upper() + word[1:]
+def OneTo(n):
+"""Returns the list [1, 2, 3, ..., n]."""
+return range(1, n + 1)
+def Iter(n, format, sep=''):
+"""Given a positive integer n, a format string that contains 0 or
+more '%s' format specs, and optionally a separator string, returns
+the join of n strings, each formatted with the format string on an
+iterator ranged from 1 to n.
+Example:
+Iter(3, 'v%s', sep=', ') returns 'v1, v2, v3'.
+"""
+# How many '%s' specs are in format?
+spec_count = len(format.split('%s')) - 1
+return sep.join([format % (spec_count * (i,)) for i in OneTo(n)])
+def ImplementationForArity(n):
+"""Returns the implementation of n-ary predicate assertions."""
+# A map the defines the values used in the implementation template.
+DEFS = {
+'n' : str(n),
+'vs' : Iter(n, 'v%s', sep=', '),
+'vts' : Iter(n, '#v%s', sep=', '),
+'arity' : Arity(n),
+'Arity' : Title(Arity(n))
+}
+impl = """
+// Helper function for implementing {EXPECT|ASSERT}_PRED%(n)s.  Don't use
+// this in your code.
+template <typename Pred""" % DEFS
+impl += Iter(n, """,
+typename T%s""")
+impl += """>
+AssertionResult AssertPred%(n)sHelper(const char* pred_text""" % DEFS
+impl += Iter(n, """,
+const char* e%s""")
+impl += """,
+Pred pred"""
+impl += Iter(n, """,
+const T%s& v%s""")
+impl += """) {
+if (pred(%(vs)s)) return AssertionSuccess();
+""" % DEFS
+impl += '  return AssertionFailure() << pred_text << "("'
+impl += Iter(n, """
+<< e%s""", sep=' << ", "')
+impl += ' << ") evaluates to false, where"'
+impl += Iter(n, """
+<< "\\n" << e%s << " evaluates to " << v%s""")
+impl += """;
+}
+// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT%(n)s.
+// Don't use this in your code.
+#define GTEST_PRED_FORMAT%(n)s_(pred_format, %(vs)s, on_failure)\\
+GTEST_ASSERT_(pred_format(%(vts)s, %(vs)s), \\
+on_failure)
+// Internal macro for implementing {EXPECT|ASSERT}_PRED%(n)s.  Don't use
+// this in your code.
+#define GTEST_PRED%(n)s_(pred, %(vs)s, on_failure)\\
+GTEST_ASSERT_(::testing::AssertPred%(n)sHelper(#pred""" % DEFS
+impl += Iter(n, """, \\
+#v%s""")
+impl += """, \\
+pred"""
+impl += Iter(n, """, \\
+v%s""")
+impl += """), on_failure)
+// %(Arity)s predicate assertion macros.
+#define EXPECT_PRED_FORMAT%(n)s(pred_format, %(vs)s) \\
+GTEST_PRED_FORMAT%(n)s_(pred_format, %(vs)s, GTEST_NONFATAL_FAILURE_)
+#define EXPECT_PRED%(n)s(pred, %(vs)s) \\
+GTEST_PRED%(n)s_(pred, %(vs)s, GTEST_NONFATAL_FAILURE_)
+#define ASSERT_PRED_FORMAT%(n)s(pred_format, %(vs)s) \\
+GTEST_PRED_FORMAT%(n)s_(pred_format, %(vs)s, GTEST_FATAL_FAILURE_)
+#define ASSERT_PRED%(n)s(pred, %(vs)s) \\
+GTEST_PRED%(n)s_(pred, %(vs)s, GTEST_FATAL_FAILURE_)
+""" % DEFS
+return impl
+def HeaderPostamble():
+"""Returns the postamble for the header file."""
+return """
+#endif  // GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
+"""
+def GenerateFile(path, content):
+"""Given a file path and a content string, overwrites it with the
+given content."""
+print 'Updating file %s . . .' % path
+f = file(path, 'w+')
+print >>f, content,
+f.close()
+print 'File %s has been updated.' % path
+def GenerateHeader(n):
+"""Given the maximum arity n, updates the header file that implements
+the predicate assertions."""
+GenerateFile(HEADER,
+HeaderPreamble(n)
++ ''.join([ImplementationForArity(i) for i in OneTo(n)])
++ HeaderPostamble())
+def UnitTestPreamble():
+"""Returns the preamble for the unit test file."""
+# A map that defines the values used in the preamble template.
+DEFS = {
+'today' : time.strftime('%m/%d/%Y'),
+'year' : time.strftime('%Y'),
+'command' : '%s %s' % (os.path.basename(sys.argv[0]), sys.argv[1]),
+}
+return (
+"""// Copyright 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// This file is AUTOMATICALLY GENERATED on %(today)s by command
+// '%(command)s'.  DO NOT EDIT BY HAND!
+// Regression test for gtest_pred_impl.h
+//
+// This file is generated by a script and quite long.  If you intend to
+// learn how Google Test works by reading its unit tests, read
+// gtest_unittest.cc instead.
+//
+// This is intended as a regression test for the Google Test predicate
+// assertions.  We compile it as part of the gtest_unittest target
+// only to keep the implementation tidy and compact, as it is quite
+// involved to set up the stage for testing Google Test using Google
+// Test itself.
+//
+// Currently, gtest_unittest takes ~11 seconds to run in the testing
+// daemon.  In the future, if it grows too large and needs much more
+// time to finish, we should consider separating this file into a
+// stand-alone regression test.
+#include <iostream>
+#include "gtest/gtest.h"
+#include "gtest/gtest-spi.h"
+// A user-defined data type.
+struct Bool {
+explicit Bool(int val) : value(val != 0) {}
+bool operator>(int n) const { return value > Bool(n).value; }
+Bool operator+(const Bool& rhs) const { return Bool(value + rhs.value); }
+bool operator==(const Bool& rhs) const { return value == rhs.value; }
+bool value;
+};
+// Enables Bool to be used in assertions.
+std::ostream& operator<<(std::ostream& os, const Bool& x) {
+return os << (x.value ? "true" : "false");
+}
+""" % DEFS)
+def TestsForArity(n):
+"""Returns the tests for n-ary predicate assertions."""
+# A map that defines the values used in the template for the tests.
+DEFS = {
+'n' : n,
+'es' : Iter(n, 'e%s', sep=', '),
+'vs' : Iter(n, 'v%s', sep=', '),
+'vts' : Iter(n, '#v%s', sep=', '),
+'tvs' : Iter(n, 'T%s v%s', sep=', '),
+'int_vs' : Iter(n, 'int v%s', sep=', '),
+'Bool_vs' : Iter(n, 'Bool v%s', sep=', '),
+'types' : Iter(n, 'typename T%s', sep=', '),
+'v_sum' : Iter(n, 'v%s', sep=' + '),
+'arity' : Arity(n),
+'Arity' : Title(Arity(n)),
+}
+tests = (
+"""// Sample functions/functors for testing %(arity)s predicate assertions.
+// A %(arity)s predicate function.
+template <%(types)s>
+bool PredFunction%(n)s(%(tvs)s) {
+return %(v_sum)s > 0;
+}
+// The following two functions are needed to circumvent a bug in
+// gcc 2.95.3, which sometimes has problem with the above template
+// function.
+bool PredFunction%(n)sInt(%(int_vs)s) {
+return %(v_sum)s > 0;
+}
+bool PredFunction%(n)sBool(%(Bool_vs)s) {
+return %(v_sum)s > 0;
+}
+""" % DEFS)
+tests += """
+// A %(arity)s predicate functor.
+struct PredFunctor%(n)s {
+template <%(types)s>
+bool operator()(""" % DEFS
+tests += Iter(n, 'const T%s& v%s', sep=""",
+""")
+tests += """) {
+return %(v_sum)s > 0;
+}
+};
+""" % DEFS
+tests += """
+// A %(arity)s predicate-formatter function.
+template <%(types)s>
+testing::AssertionResult PredFormatFunction%(n)s(""" % DEFS
+tests += Iter(n, 'const char* e%s', sep=""",
+""")
+tests += Iter(n, """,
+const T%s& v%s""")
+tests += """) {
+if (PredFunction%(n)s(%(vs)s))
+return testing::AssertionSuccess();
+return testing::AssertionFailure()
+<< """ % DEFS
+tests += Iter(n, 'e%s', sep=' << " + " << ')
+tests += """
+<< " is expected to be positive, but evaluates to "
+<< %(v_sum)s << ".";
+}
+""" % DEFS
+tests += """
+// A %(arity)s predicate-formatter functor.
+struct PredFormatFunctor%(n)s {
+template <%(types)s>
+testing::AssertionResult operator()(""" % DEFS
+tests += Iter(n, 'const char* e%s', sep=""",
+""")
+tests += Iter(n, """,
+const T%s& v%s""")
+tests += """) const {
+return PredFormatFunction%(n)s(%(es)s, %(vs)s);
+}
+};
+""" % DEFS
+tests += """
+// Tests for {EXPECT|ASSERT}_PRED_FORMAT%(n)s.
+class Predicate%(n)sTest : public testing::Test {
+protected:
+virtual void SetUp() {
+expected_to_finish_ = true;
+finished_ = false;""" % DEFS
+tests += """
+""" + Iter(n, 'n%s_ = ') + """0;
+}
+"""
+tests += """
+virtual void TearDown() {
+// Verifies that each of the predicate's arguments was evaluated
+// exactly once."""
+tests += ''.join(["""
+EXPECT_EQ(1, n%s_) <<
+"The predicate assertion didn't evaluate argument %s "
+"exactly once.";""" % (i, i + 1) for i in OneTo(n)])
+tests += """
+// Verifies that the control flow in the test function is expected.
+if (expected_to_finish_ && !finished_) {
+FAIL() << "The predicate assertion unexpactedly aborted the test.";
+} else if (!expected_to_finish_ && finished_) {
+FAIL() << "The failed predicate assertion didn't abort the test "
+"as expected.";
+}
+}
+// true iff the test function is expected to run to finish.
+static bool expected_to_finish_;
+// true iff the test function did run to finish.
+static bool finished_;
+""" % DEFS
+tests += Iter(n, """
+static int n%s_;""")
+tests += """
+};
+bool Predicate%(n)sTest::expected_to_finish_;
+bool Predicate%(n)sTest::finished_;
+""" % DEFS
+tests += Iter(n, """int Predicate%%(n)sTest::n%s_;
+""") % DEFS
+tests += """
+typedef Predicate%(n)sTest EXPECT_PRED_FORMAT%(n)sTest;
+typedef Predicate%(n)sTest ASSERT_PRED_FORMAT%(n)sTest;
+typedef Predicate%(n)sTest EXPECT_PRED%(n)sTest;
+typedef Predicate%(n)sTest ASSERT_PRED%(n)sTest;
+""" % DEFS
+def GenTest(use_format, use_assert, expect_failure,
+use_functor, use_user_type):
+"""Returns the test for a predicate assertion macro.
+Args:
+use_format:     true iff the assertion is a *_PRED_FORMAT*.
+use_assert:     true iff the assertion is a ASSERT_*.
+expect_failure: true iff the assertion is expected to fail.
+use_functor:    true iff the first argument of the assertion is
+a functor (as opposed to a function)
+use_user_type:  true iff the predicate functor/function takes
+argument(s) of a user-defined type.
+Example:
+GenTest(1, 0, 0, 1, 0) returns a test that tests the behavior
+of a successful EXPECT_PRED_FORMATn() that takes a functor
+whose arguments have built-in types."""
+if use_assert:
+assrt = 'ASSERT'  # 'assert' is reserved, so we cannot use
+# that identifier here.
+else:
+assrt = 'EXPECT'
+assertion = assrt + '_PRED'
+if use_format:
+pred_format = 'PredFormat'
+assertion += '_FORMAT'
+else:
+pred_format = 'Pred'
+assertion += '%(n)s' % DEFS
+if use_functor:
+pred_format_type = 'functor'
+pred_format += 'Functor%(n)s()'
+else:
+pred_format_type = 'function'
+pred_format += 'Function%(n)s'
+if not use_format:
+if use_user_type:
+pred_format += 'Bool'
+else:
+pred_format += 'Int'
+test_name = pred_format_type.title()
+if use_user_type:
+arg_type = 'user-defined type (Bool)'
+test_name += 'OnUserType'
+if expect_failure:
+arg = 'Bool(n%s_++)'
+else:
+arg = 'Bool(++n%s_)'
+else:
+arg_type = 'built-in type (int)'
+test_name += 'OnBuiltInType'
+if expect_failure:
+arg = 'n%s_++'
+else:
+arg = '++n%s_'
+if expect_failure:
+successful_or_failed = 'failed'
+expected_or_not = 'expected.'
+test_name +=  'Failure'
+else:
+successful_or_failed = 'successful'
+expected_or_not = 'UNEXPECTED!'
+test_name +=  'Success'
+# A map that defines the values used in the test template.
+defs = DEFS.copy()
+defs.update({
+'assert' : assrt,
+'assertion' : assertion,
+'test_name' : test_name,
+'pf_type' : pred_format_type,
+'pf' : pred_format,
+'arg_type' : arg_type,
+'arg' : arg,
+'successful' : successful_or_failed,
+'expected' : expected_or_not,
+})
+test = """
+// Tests a %(successful)s %(assertion)s where the
+// predicate-formatter is a %(pf_type)s on a %(arg_type)s.
+TEST_F(%(assertion)sTest, %(test_name)s) {""" % defs
+indent = (len(assertion) + 3)*' '
+extra_indent = ''
+if expect_failure:
+extra_indent = '  '
+if use_assert:
+test += """
+expected_to_finish_ = false;
+EXPECT_FATAL_FAILURE({  // NOLINT"""
+else:
+test += """
+EXPECT_NONFATAL_FAILURE({  // NOLINT"""
+test += '\n' + extra_indent + """  %(assertion)s(%(pf)s""" % defs
+test = test % defs
+test += Iter(n, ',\n' + indent + extra_indent + '%(arg)s' % defs)
+test += ');\n' + extra_indent + '  finished_ = true;\n'
+if expect_failure:
+test += '  }, "");\n'
+test += '}\n'
+return test
+# Generates tests for all 2**6 = 64 combinations.
+tests += ''.join([GenTest(use_format, use_assert, expect_failure,
+use_functor, use_user_type)
+for use_format in [0, 1]
+for use_assert in [0, 1]
+for expect_failure in [0, 1]
+for use_functor in [0, 1]
+for use_user_type in [0, 1]
+])
+return tests
+def UnitTestPostamble():
+"""Returns the postamble for the tests."""
+return ''
+def GenerateUnitTest(n):
+"""Returns the tests for up-to n-ary predicate assertions."""
+GenerateFile(UNIT_TEST,
+UnitTestPreamble()
++ ''.join([TestsForArity(i) for i in OneTo(n)])
++ UnitTestPostamble())
+def _Main():
+"""The entry point of the script.  Generates the header file and its
+unit test."""
+if len(sys.argv) != 2:
+print __doc__
+print 'Author: ' + __author__
+sys.exit(1)
+n = int(sys.argv[1])
+GenerateHeader(n)
+GenerateUnitTest(n)
+if __name__ == '__main__':
+_Main()

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