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29 //
30 // Author: wan@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.
Matcher(const internal::string & 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.
Matcher(const char * 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.
Matcher(const internal::string & 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.
Matcher(const char * 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.
JoinAsTuple(const Strings & fields)70 GTEST_API_ 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.
FormatMatcherDescription(bool negation,const char * matcher_name,const Strings & param_values)92 GTEST_API_ string FormatMatcherDescription(bool negation,
93 const char* matcher_name,
94 const Strings& param_values) {
95 string result = ConvertIdentifierNameToWords(matcher_name);
96 if (param_values.size() >= 1)
97 result += " " + JoinAsTuple(param_values);
98 return negation ? "not (" + result + ")" : result;
99 }
100
101 } // namespace internal
102 } // namespace testing
103