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CPP: Add a test where different wide types are present.

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Geoffrey White
2018-09-07 10:47:57 +01:00
parent 39f030b8f7
commit 2af56b89b1
3 changed files with 53 additions and 0 deletions
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12
cpp/ql/test/query-tests/Likely Bugs/Format/WrongTypeFormatArguments/Linux_mixed_byte_wprintf/WrongTypeFormatArguments.expected Normal file
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| tests.cpp:18:15:18:22 | Hello | This argument should be of type 'char *' but is of type 'char16_t *' |
| tests.cpp:19:15:19:22 | Hello | This argument should be of type 'char *' but is of type 'wchar_t *' |
| tests.cpp:21:15:21:21 | Hello | This argument should be of type 'wchar_t *' but is of type 'char *' |
| tests.cpp:22:15:22:22 | Hello | This argument should be of type 'wchar_t *' but is of type 'char16_t *' |
| tests.cpp:25:17:25:23 | Hello | This argument should be of type 'wchar_t *' but is of type 'char *' |
| tests.cpp:26:17:26:24 | Hello | This argument should be of type 'wchar_t *' but is of type 'char16_t *' |
| tests.cpp:30:17:30:24 | Hello | This argument should be of type 'char *' but is of type 'char16_t *' |
| tests.cpp:31:17:31:24 | Hello | This argument should be of type 'char *' but is of type 'wchar_t *' |
| tests.cpp:33:36:33:42 | Hello | This argument should be of type 'wchar_t *' but is of type 'char *' |
| tests.cpp:34:36:34:43 | Hello | This argument should be of type 'wchar_t *' but is of type 'char16_t *' |
| tests.cpp:38:36:38:43 | Hello | This argument should be of type 'char *' but is of type 'char16_t *' |
| tests.cpp:39:36:39:43 | Hello | This argument should be of type 'char *' but is of type 'wchar_t *' |

1
cpp/ql/test/query-tests/Likely Bugs/Format/WrongTypeFormatArguments/Linux_mixed_byte_wprintf/WrongTypeFormatArguments.qlref Normal file
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Likely Bugs/Format/WrongTypeFormatArguments.ql

40
cpp/ql/test/query-tests/Likely Bugs/Format/WrongTypeFormatArguments/Linux_mixed_byte_wprintf/tests.cpp Normal file
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/*
* Test for custom definitions of *wprintf using different types than the
* platform wide character type.
*/
typedef unsigned int size_t;
int printf(const char * format, ...);
int wprintf(const wchar_t * format, ...); // on wchar_t
int swprintf(char16_t * s, size_t n, const char16_t * format, ...); // on char16_t
#define BUF_SIZE (4096)
void tests() {
char16_t buffer[BUF_SIZE];
printf("%s", "Hello"); // GOOD
printf("%s", u"Hello"); // BAD: expecting char
printf("%s", L"Hello"); // BAD: expecting char
printf("%S", "Hello"); // BAD: expecting wchar_t or char16_t
printf("%S", u"Hello"); // GOOD [FALSE POSITIVE]
printf("%S", L"Hello"); // GOOD
wprintf(L"%s", "Hello"); // BAD: expecting wchar_t
wprintf(L"%s", u"Hello"); // BAD: expecting wchar_t
wprintf(L"%s", L"Hello"); // GOOD
wprintf(L"%S", "Hello"); // GOOD
wprintf(L"%S", u"Hello"); // BAD: expecting char
wprintf(L"%S", L"Hello"); // BAD: expecting char
swprintf(buffer, BUF_SIZE, u"%s", "Hello"); // BAD: expecting char16_t
swprintf(buffer, BUF_SIZE, u"%s", u"Hello"); // GOOD [FALSE POSITIVE]
swprintf(buffer, BUF_SIZE, u"%s", L"Hello"); // BAD: expecting char16_t [NOT DETECTED]
swprintf(buffer, BUF_SIZE, u"%S", "Hello"); // GOOD
swprintf(buffer, BUF_SIZE, u"%S", u"Hello"); // BAD: expecting char
swprintf(buffer, BUF_SIZE, u"%S", L"Hello"); // BAD: expecting char
}