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author | Alexander Kornienko <alexfh@google.com> | 2018-02-28 23:30:29 +0000 |
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committer | Alexander Kornienko <alexfh@google.com> | 2018-02-28 23:30:29 +0000 |
commit | cb6d32034514bcdd152a95684ed309149f06070d (patch) | |
tree | 5f755c450fb834f7a0b1837eacf42743efed5cb1 /clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp | |
parent | ff9595a002d48a4470f0518c26920fab39e2f62c (diff) | |
download | bcm5719-llvm-cb6d32034514bcdd152a95684ed309149f06070d.tar.gz bcm5719-llvm-cb6d32034514bcdd152a95684ed309149f06070d.zip |
Rename more checks from misc- to bugprone-.
Summary:
clang-tidy/rename_check.py {misc,bugprone}-string-integer-assignment
clang-tidy/rename_check.py {misc,bugprone}-string-literal-with-embedded-nul
clang-tidy/rename_check.py {misc,bugprone}-suspicious-enum-usage
clang-tidy/rename_check.py {misc,bugprone}-suspicious-missing-comma
Reviewers: hokein, sammccall, aaron.ballman
Subscribers: klimek, cfe-commits, mgorny
Differential Revision: https://reviews.llvm.org/D43868
llvm-svn: 326384
Diffstat (limited to 'clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp')
-rw-r--r-- | clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp b/clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp new file mode 100644 index 00000000000..f939f5282eb --- /dev/null +++ b/clang-tools-extra/test/clang-tidy/bugprone-string-literal-with-embedded-nul.cpp @@ -0,0 +1,85 @@ +// RUN: %check_clang_tidy %s bugprone-string-literal-with-embedded-nul %t + +namespace std { +template <typename T> +class allocator {}; +template <typename T> +class char_traits {}; +template <typename C, typename T, typename A> +struct basic_string { + typedef basic_string<C, T, A> _Type; + basic_string(); + basic_string(const C *p, const A &a = A()); + + _Type& operator+=(const C* s); + _Type& operator=(const C* s); +}; + +typedef basic_string<char, std::char_traits<char>, std::allocator<char>> string; +typedef basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t>> wstring; +} + +bool operator==(const std::string&, const char*); +bool operator==(const char*, const std::string&); + + +const char Valid[] = "This is valid \x12."; +const char Strange[] = "This is strange \0x12 and must be fixed"; +// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: suspicious embedded NUL character [bugprone-string-literal-with-embedded-nul] + +const char textA[] = "\0x01\0x02\0x03\0x04"; +// CHECK-MESSAGES: :[[@LINE-1]]:22: warning: suspicious embedded NUL character +const wchar_t textW[] = L"\0x01\0x02\0x03\0x04"; +// CHECK-MESSAGES: :[[@LINE-1]]:25: warning: suspicious embedded NUL character + +const char A[] = "\0"; +const char B[] = "\0x"; +const char C[] = "\0x1"; +const char D[] = "\0x11"; +// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: suspicious embedded NUL character + +const wchar_t E[] = L"\0"; +const wchar_t F[] = L"\0x"; +const wchar_t G[] = L"\0x1"; +const wchar_t H[] = L"\0x11"; +// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: suspicious embedded NUL character + +const char I[] = "\000\000\000\000"; +const char J[] = "\0\0\0\0\0\0"; +const char K[] = ""; + +const char L[] = "\0x12" "\0x12" "\0x12" "\0x12"; +// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: suspicious embedded NUL character + +void TestA() { + std::string str1 = "abc\0def"; + // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: truncated string literal + std::string str2 = "\0"; + // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: truncated string literal + std::string str3("\0"); + // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: truncated string literal + std::string str4{"\x00\x01\x02\x03"}; + // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: truncated string literal + + std::string str; + str += "abc\0def"; + // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: truncated string literal + str = "abc\0def"; + // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: truncated string literal + + if (str == "abc\0def") return; + // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: truncated string literal + if ("abc\0def" == str) return; + // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: truncated string literal +} + +void TestW() { + std::wstring str1 = L"abc\0def"; + // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: truncated string literal + std::wstring str2 = L"\0"; + // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: truncated string literal + std::wstring str3(L"\0"); + // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: truncated string literal + std::wstring str4{L"\x00\x01\x02\x03"}; + // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: truncated string literal +} |