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// Copyright 2008 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.
//
// Author: wan@google.com (Zhanyong Wan)
 
#include "gtest/gtest-typed-test.h"
#include "gtest/gtest.h"
 
namespace testing {
namespace internal {
 
#if GTEST_HAS_TYPED_TEST_P
 
// Skips to the first non-space char in str. Returns an empty string if str
// contains only whitespace characters.
static const char* SkipSpaces(const char* str) {
  while (IsSpace(*str))
    str++;
  return str;
}
 
static std::vector<std::string> SplitIntoTestNames(const char* src) {
  std::vector<std::string> name_vec;
  src = SkipSpaces(src);
  for (; src != NULL; src = SkipComma(src)) {
    name_vec.push_back(StripTrailingSpaces(GetPrefixUntilComma(src)));
  }
  return name_vec;
}
 
// Verifies that registered_tests match the test names in
// registered_tests_; returns registered_tests if successful, or
// aborts the program otherwise.
const char* TypedTestCasePState::VerifyRegisteredTestNames(
    const char* file, int line, const char* registered_tests) {
  typedef RegisteredTestsMap::const_iterator RegisteredTestIter;
  registered_ = true;
 
  std::vector<std::string> name_vec = SplitIntoTestNames(registered_tests);
 
  Message errors;
 
  std::set<std::string> tests;
  for (std::vector<std::string>::const_iterator name_it = name_vec.begin();
       name_it != name_vec.end(); ++name_it) {
    const std::string& name = *name_it;
    if (tests.count(name) != 0) {
      errors << "Test " << name << " is listed more than once.\n";
      continue;
    }
 
    bool found = false;
    for (RegisteredTestIter it = registered_tests_.begin();
         it != registered_tests_.end();
         ++it) {
      if (name == it->first) {
        found = true;
        break;
      }
    }
 
    if (found) {
      tests.insert(name);
    } else {
      errors << "No test named " << name
             << " can be found in this test case.\n";
    }
  }
 
  for (RegisteredTestIter it = registered_tests_.begin();
       it != registered_tests_.end();
       ++it) {
    if (tests.count(it->first) == 0) {
      errors << "You forgot to list test " << it->first << ".\n";
    }
  }
 
  const std::string& errors_str = errors.GetString();
  if (errors_str != "") {
    fprintf(stderr, "%s %s", FormatFileLocation(file, line).c_str(),
            errors_str.c_str());
    fflush(stderr);
    posix::Abort();
  }
 
  return registered_tests;
}
 
#endif  // GTEST_HAS_TYPED_TEST_P
 
}  // namespace internal
}  // namespace testing