Refactoring

1 files changed, 83 insertions, 0 deletions

diff --git a/test/utils.h b/test/utils.h
new file mode 100644
index 0000000..d8e64e3
--- /dev/null
+++ b/test/utils.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2015 Oleg Morozenkov
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef TGBOT_UTILS_H
+#define TGBOT_UTILS_H
+
+#include <string>
+
+#include <boost/lexical_cast.hpp>
+
+std::string diff(const std::string& test, const std::string& expected);
+
+template<typename T>
+std::string diff(const T& test, const T& expected, std::string (*toStringFunc)(const typename T::value_type&)) {
+    std::string result;
+    result += "\n*** BEGIN ***   Count: t=";
+    result += boost::lexical_cast<std::string>(test.size());
+    result += " e=";
+    result += boost::lexical_cast<std::string>(expected.size());
+    result += '\n';
+
+    typename T::const_iterator iter1 = test.begin();
+    typename T::const_iterator end1 = test.end();
+    typename T::const_iterator iter2 = expected.begin();
+    typename T::const_iterator end2 = expected.end();
+    bool r1, r2;
+    std::string s1, s2;
+    size_t i = 0;
+    do {
+        r1 = iter1 != end1;
+        r2 = iter2 != end2;
+        if (r1) {
+            s1 = toStringFunc(*iter1++);
+        }
+        if (r2) {
+            s2 = toStringFunc(*iter2++);
+        }
+        if (r1 && r2 && s1 == s2) {
+            result += boost::lexical_cast<std::string>(i);
+            result += " [=] ";
+            result += s1;
+            result += "\n";
+        } else {
+            if (r1) {
+                result += boost::lexical_cast<std::string>(i);
+                result += " [t] ";
+                result += s1;
+                result += "\n";
+            }
+            if (r2) {
+                result += boost::lexical_cast<std::string>(i);
+                result += " [e] ";
+                result += s2;
+                result += "\n";
+            }
+        }
+        ++i;
+    } while (r1 || r2);
+
+    result += "*** END ***\n";
+    return result;
+}
+
+#endif //TGBOT_UTILS_H