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

media/webrtc/trunk/testing/gtest/scripts/gen_gtest_pred_impl.py@6474c204b198 (annotated)

media/webrtc/trunk/testing/gtest/scripts/gen_gtest_pred_impl.py

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rwxr-xr-x

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 #!/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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media/webrtc/trunk/testing/gtest/scripts/gen_gtest_pred_impl.py