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      1 // Copyright 2007, Google Inc.
      2 // All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions are
      6 // met:
      7 //
      8 //     * Redistributions of source code must retain the above copyright
      9 // notice, this list of conditions and the following disclaimer.
     10 //     * Redistributions in binary form must reproduce the above
     11 // copyright notice, this list of conditions and the following disclaimer
     12 // in the documentation and/or other materials provided with the
     13 // distribution.
     14 //     * Neither the name of Google Inc. nor the names of its
     15 // contributors may be used to endorse or promote products derived from
     16 // this software without specific prior written permission.
     17 //
     18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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     24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 //
     30 // Author: wan (at) google.com (Zhanyong Wan)
     31 
     32 // Google Mock - a framework for writing C++ mock classes.
     33 //
     34 // This file implements Matcher<const string&>, Matcher<string>, and
     35 // utilities for defining matchers.
     36 
     37 #include "gmock/gmock-matchers.h"
     38 #include "gmock/gmock-generated-matchers.h"
     39 
     40 #include <string.h>
     41 #include <sstream>
     42 #include <string>
     43 
     44 namespace testing {
     45 
     46 // Constructs a matcher that matches a const string& whose value is
     47 // equal to s.
     48 Matcher<const internal::string&>::Matcher(const internal::string& s) {
     49   *this = Eq(s);
     50 }
     51 
     52 // Constructs a matcher that matches a const string& whose value is
     53 // equal to s.
     54 Matcher<const internal::string&>::Matcher(const char* s) {
     55   *this = Eq(internal::string(s));
     56 }
     57 
     58 // Constructs a matcher that matches a string whose value is equal to s.
     59 Matcher<internal::string>::Matcher(const internal::string& s) { *this = Eq(s); }
     60 
     61 // Constructs a matcher that matches a string whose value is equal to s.
     62 Matcher<internal::string>::Matcher(const char* s) {
     63   *this = Eq(internal::string(s));
     64 }
     65 
     66 namespace internal {
     67 
     68 // Joins a vector of strings as if they are fields of a tuple; returns
     69 // the joined string.
     70 string JoinAsTuple(const Strings& fields) {
     71   switch (fields.size()) {
     72     case 0:
     73       return "";
     74     case 1:
     75       return fields[0];
     76     default:
     77       string result = "(" + fields[0];
     78       for (size_t i = 1; i < fields.size(); i++) {
     79         result += ", ";
     80         result += fields[i];
     81       }
     82       result += ")";
     83       return result;
     84   }
     85 }
     86 
     87 // Returns the description for a matcher defined using the MATCHER*()
     88 // macro where the user-supplied description string is "", if
     89 // 'negation' is false; otherwise returns the description of the
     90 // negation of the matcher.  'param_values' contains a list of strings
     91 // that are the print-out of the matcher's parameters.
     92 string FormatMatcherDescription(bool negation, const char* matcher_name,
     93                                 const Strings& param_values) {
     94   string result = ConvertIdentifierNameToWords(matcher_name);
     95   if (param_values.size() >= 1)
     96     result += " " + JoinAsTuple(param_values);
     97   return negation ? "not (" + result + ")" : result;
     98 }
     99 
    100 }  // namespace internal
    101 }  // namespace testing
    102