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| <li class="navelem"><a class="el" href="dir_f51fe74ea6bc2b1b900619895eaa63be.html">iceberg</a></li><li class="navelem"><a class="el" href="dir_0154c816bded9243a1feaa2fbd30be18.html">test</a></li> </ul> |
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| <div class="headertitle"><div class="title">matchers.h</div></div> |
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| <div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * under the License.</span></div> |
| <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#pragma once</span></div> |
| <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <gmock/gmock.h></span></div> |
| <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <gtest/gtest.h></span></div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "iceberg/result.h"</span></div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "iceberg/util/macros.h"</span></div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment"> * \brief Define custom matchers for expected<T, Error> values</span></div> |
| <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment"> * Example usage of these matchers:</span></div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="comment"> * Basic assertions:</span></div> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="comment"> * // Check that a result is ok</span></div> |
| <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="comment"> * EXPECT_THAT(result, IsOk());</span></div> |
| <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="comment"> * // Check that a result is an error of a specific kind</span></div> |
| <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment"> * EXPECT_THAT(result, IsError(ErrorKind::kNoSuchTable));</span></div> |
| <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="comment"> * // Check that an error message contains a specific substring</span></div> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="comment"> * EXPECT_THAT(result, HasErrorMessage("table not found"));</span></div> |
| <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="comment"> * Value inspection:</span></div> |
| <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment"> * // Check that a result has a value that equals 42</span></div> |
| <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment"> * EXPECT_THAT(result, HasValue(42));</span></div> |
| <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment"> * // Check that a result has a value that satisfies a complex condition</span></div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment"> * EXPECT_THAT(result, HasValue(AllOf(Gt(10), Lt(50))));</span></div> |
| <div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment"> * Combined assertions:</span></div> |
| <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment"> * // Check that the result value has a specific property</span></div> |
| <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment"> * EXPECT_THAT(result, ResultIs(Property(&MyType::name, "example")));</span></div> |
| <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment"> * // Check that the error matches specific criteria</span></div> |
| <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment"> * EXPECT_THAT(result, ErrorIs(AllOf(</span></div> |
| <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="comment"> * Property(&Error::kind, ErrorKind::kNoSuchTable),</span></div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="comment"> * Property(&Error::message, HasSubstr("table not found"))</span></div> |
| <div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="comment"> * )));</span></div> |
| <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div> |
| <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="keyword">namespace </span>iceberg {</div> |
| <div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="comment">// IsOk matcher that checks if the expected value has a value (not an error)</span></div> |
| <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>MATCHER(IsOk, <span class="stringliteral">"is an Ok result"</span>) {</div> |
| <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span> (arg.has_value()) {</div> |
| <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div> |
| <div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> *result_listener << <span class="stringliteral">"which contains error: "</span> << arg.error().message;</div> |
| <div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>}</div> |
| <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div> |
| <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment">// IsError matcher that checks if the expected value contains an error</span></div> |
| <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>MATCHER_P(IsError, kind, <span class="stringliteral">"is an Error with the specified kind"</span>) {</div> |
| <div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">if</span> (!arg.has_value()) {</div> |
| <div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">if</span> (arg.error().kind == kind) {</div> |
| <div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> }</div> |
| <div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> *result_listener << <span class="stringliteral">"which contains error kind "</span> << <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(arg.error().kind)</div> |
| <div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> << <span class="stringliteral">" but expected "</span> << <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(kind)</div> |
| <div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> << <span class="stringliteral">", message: "</span> << arg.error().message;</div> |
| <div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div> |
| <div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> *result_listener << <span class="stringliteral">"which is not an error but a value"</span>;</div> |
| <div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>}</div> |
| <div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div> |
| <div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="comment">// HasErrorMessage matcher that checks if the expected value contains an error with a</span></div> |
| <div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="comment">// specific message or substring</span></div> |
| <div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>MATCHER_P(HasErrorMessage, message_substr,</div> |
| <div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="stringliteral">"is an Error with message containing the substring"</span>) {</div> |
| <div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">if</span> (!arg.has_value()) {</div> |
| <div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">if</span> (arg.error().message.find(message_substr) != std::string::npos) {</div> |
| <div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div> |
| <div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> *result_listener << <span class="stringliteral">"which contains error with message '"</span> << arg.error().message</div> |
| <div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> << <span class="stringliteral">"' that doesn't contain '"</span> << message_substr << <span class="stringliteral">"'"</span>;</div> |
| <div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div> |
| <div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> *result_listener << <span class="stringliteral">"which is not an error but a value"</span>;</div> |
| <div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span>}</div> |
| <div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div> |
| <div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span><span class="comment">// HasValue matcher that checks if the expected value contains a value that matches the</span></div> |
| <div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span><span class="comment">// given matcher</span></div> |
| <div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="keyword">template</span> <<span class="keyword">typename</span> MatcherT></div> |
| <div class="foldopen" id="foldopen00109" data-start="{" data-end="};"> |
| <div class="line"><a id="l00109" name="l00109"></a><span class="lineno"><a class="line" href="classiceberg_1_1HasValueMatcher.html"> 109</a></span><span class="keyword">class </span><a class="code hl_class" href="classiceberg_1_1HasValueMatcher.html">HasValueMatcher</a> {</div> |
| <div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classiceberg_1_1HasValueMatcher.html">HasValueMatcher</a>(MatcherT matcher) : matcher_(std::move(matcher)) {}</div> |
| <div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div> |
| <div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordtype">bool</span> MatchAndExplain(<span class="keyword">const</span> T& value,</div> |
| <div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> ::testing::MatchResultListener* result_listener)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">if</span> (!value.has_value()) {</div> |
| <div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> *result_listener << <span class="stringliteral">"which is an error: "</span> << value.error().message;</div> |
| <div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div> |
| <div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div> |
| <div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> return ::testing::MatcherCast<const typename T::value_type&>(matcher_)</div> |
| <div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> .MatchAndExplain(*value, result_listener);</div> |
| <div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> }</div> |
| <div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div> |
| <div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordtype">void</span> DescribeTo(std::ostream* os)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> *os << <span class="stringliteral">"has a value that "</span>;</div> |
| <div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> matcher_.DescribeTo(os);</div> |
| <div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div> |
| <div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div> |
| <div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordtype">void</span> DescribeNegationTo(std::ostream* os)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> *os << <span class="stringliteral">"does not have a value that "</span>;</div> |
| <div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> matcher_.DescribeTo(os);</div> |
| <div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> }</div> |
| <div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div> |
| <div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">private</span>:</div> |
| <div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> MatcherT matcher_;</div> |
| <div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>};</div> |
| </div> |
| <div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div> |
| <div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="comment">// Factory function for HasValueMatcher</span></div> |
| <div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="keyword">template</span> <<span class="keyword">typename</span> MatcherT></div> |
| <div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="keyword">auto</span> HasValue(MatcherT&& matcher) {</div> |
| <div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> return ::testing::MakePolymorphicMatcher(</div> |
| <div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_class" href="classiceberg_1_1HasValueMatcher.html">HasValueMatcher</a><std::remove_cvref_t<MatcherT>>(std::forward<MatcherT>(matcher)));</div> |
| <div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>}</div> |
| <div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div> |
| <div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="comment">// Overload for the common case where we just want to check for presence of any value</span></div> |
| <div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="keyword">inline</span> <span class="keyword">auto</span> HasValue() { <span class="keywordflow">return</span> IsOk(); }</div> |
| <div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div> |
| <div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="comment">// Matcher that checks an expected value against an expected value and a matcher</span></div> |
| <div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="keyword">template</span> <<span class="keyword">typename</span> MatcherT></div> |
| <div class="foldopen" id="foldopen00151" data-start="{" data-end="};"> |
| <div class="line"><a id="l00151" name="l00151"></a><span class="lineno"><a class="line" href="classiceberg_1_1ResultMatcher.html"> 151</a></span><span class="keyword">class </span><a class="code hl_class" href="classiceberg_1_1ResultMatcher.html">ResultMatcher</a> {</div> |
| <div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classiceberg_1_1ResultMatcher.html">ResultMatcher</a>(<span class="keywordtype">bool</span> should_have_value, MatcherT matcher)</div> |
| <div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> : should_have_value_(should_have_value), matcher_(std::move(matcher)) {}</div> |
| <div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div> |
| <div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">bool</span> MatchAndExplain(<span class="keyword">const</span> T& value,</div> |
| <div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> ::testing::MatchResultListener* result_listener)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">if</span> (value.has_value() != should_have_value_) {</div> |
| <div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">if</span> (should_have_value_) {</div> |
| <div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> *result_listener << <span class="stringliteral">"which is an error: "</span> << value.error().message;</div> |
| <div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> *result_listener << <span class="stringliteral">"which is a value, not an error"</span>;</div> |
| <div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> }</div> |
| <div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div> |
| <div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div> |
| <div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">if</span> (should_have_value_) {</div> |
| <div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> return ::testing::MatcherCast<const typename T::value_type&>(matcher_)</div> |
| <div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> .MatchAndExplain(*value, result_listener);</div> |
| <div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> return ::testing::MatcherCast<const typename T::error_type&>(matcher_)</div> |
| <div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> .MatchAndExplain(value.error(), result_listener);</div> |
| <div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div> |
| <div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> }</div> |
| <div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div> |
| <div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">void</span> DescribeTo(std::ostream* os)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">if</span> (should_have_value_) {</div> |
| <div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> *os << <span class="stringliteral">"has a value that "</span>;</div> |
| <div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> *os << <span class="stringliteral">"has an error that "</span>;</div> |
| <div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> }</div> |
| <div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> matcher_.DescribeTo(os);</div> |
| <div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div> |
| <div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div> |
| <div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordtype">void</span> DescribeNegationTo(std::ostream* os)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">if</span> (should_have_value_) {</div> |
| <div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> *os << <span class="stringliteral">"does not have a value that "</span>;</div> |
| <div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> *os << <span class="stringliteral">"does not have an error that "</span>;</div> |
| <div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div> |
| <div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> matcher_.DescribeTo(os);</div> |
| <div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> }</div> |
| <div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div> |
| <div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">private</span>:</div> |
| <div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordtype">bool</span> should_have_value_;</div> |
| <div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> MatcherT matcher_;</div> |
| <div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span>};</div> |
| </div> |
| <div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div> |
| <div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span><span class="comment">// Factory function for ResultMatcher for values</span></div> |
| <div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span><span class="keyword">template</span> <<span class="keyword">typename</span> MatcherT></div> |
| <div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="keyword">auto</span> ResultIs(MatcherT&& matcher) {</div> |
| <div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> return ::testing::MakePolymorphicMatcher(<a class="code hl_class" href="classiceberg_1_1ResultMatcher.html">ResultMatcher</a><std::remove_cvref_t<MatcherT>>(</div> |
| <div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">true</span>, std::forward<MatcherT>(matcher)));</div> |
| <div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span>}</div> |
| <div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> </div> |
| <div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span><span class="comment">// Factory function for ResultMatcher for errors</span></div> |
| <div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span><span class="keyword">template</span> <<span class="keyword">typename</span> MatcherT></div> |
| <div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span><span class="keyword">auto</span> ErrorIs(MatcherT&& matcher) {</div> |
| <div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> return ::testing::MakePolymorphicMatcher(ResultMatcher<std::remove_cvref_t<MatcherT>>(</div> |
| <div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">false</span>, std::forward<MatcherT>(matcher)));</div> |
| <div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span>}</div> |
| <div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div> |
| <div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span><span class="comment">// Evaluate `rexpr` which should return a Result<T, Error>.</span></div> |
| <div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span><span class="comment">// On success: assign the contained value to `lhs`.</span></div> |
| <div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span><span class="comment">// On failure: fail the test with the error message.</span></div> |
| <div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span><span class="preprocessor">#define ICEBERG_UNWRAP_OR_FAIL_IMPL(result_name, lhs, rexpr) \</span></div> |
| <div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="preprocessor"> auto&& result_name = (rexpr); \</span></div> |
| <div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="preprocessor"> ASSERT_TRUE(result_name.has_value()) \</span></div> |
| <div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><span class="preprocessor"> << "Operation failed: " << result_name.error().message; \</span></div> |
| <div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span><span class="preprocessor"> lhs = std::move(result_name.value());</span></div> |
| <div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div> |
| <div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="preprocessor">#define ICEBERG_UNWRAP_OR_FAIL(lhs, rexpr) \</span></div> |
| <div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span><span class="preprocessor"> ICEBERG_UNWRAP_OR_FAIL_IMPL(ICEBERG_ASSIGN_OR_RAISE_NAME(result_, __COUNTER__), lhs, \</span></div> |
| <div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="preprocessor"> rexpr)</span></div> |
| <div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div> |
| <div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>} <span class="comment">// namespace iceberg</span></div> |
| <div class="ttc" id="aclassiceberg_1_1HasValueMatcher_html"><div class="ttname"><a href="classiceberg_1_1HasValueMatcher.html">iceberg::HasValueMatcher</a></div><div class="ttdef"><b>Definition</b> matchers.h:109</div></div> |
| <div class="ttc" id="aclassiceberg_1_1ResultMatcher_html"><div class="ttname"><a href="classiceberg_1_1ResultMatcher.html">iceberg::ResultMatcher</a></div><div class="ttdef"><b>Definition</b> matchers.h:151</div></div> |
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