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-rw-r--r--tools/clang-tidy/test/bugprone-string-constructor.cpp17
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diff --git a/tools/clang-tidy/test/bugprone-string-constructor.cpp b/tools/clang-tidy/test/bugprone-string-constructor.cpp
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+// https://clang.llvm.org/extra/clang-tidy/checks/bugprone-string-constructor.html
+
+#include "structures.h"
+
+void test()
+{
+ // A common mistake is to swap parameters to the ‘fill’ string-constructor.
+ std::string str('x', 50); // should be str(50, 'x')
+
+ // Calling the string-literal constructor with a length bigger than the
+ // literal is suspicious and adds extra random characters to the string.
+ std::string("test", 200); // Will include random characters after "test".
+
+ // Creating an empty string from constructors with parameters is considered
+ // suspicious. The programmer should use the empty constructor instead.
+ std::string("test", 0); // Creation of an empty string.
+}