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| author | Paul Dreik <gccpatches@pauldreik.se> | 2023-08-24 11:43:43 +0100 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2023-08-24 13:44:39 +0100 |
| commit | 7564fe98657ad5ede34bd08f5279778fa8698865 (patch) | |
| tree | 6b1e91aa0838b1aa5dcc38e03f727c2389f50c58 | |
| parent | dd4bdb9eea436bf06f175d8dbfc2190377455be4 (diff) | |
| download | gcc-7564fe98657ad5ede34bd08f5279778fa8698865.zip gcc-7564fe98657ad5ede34bd08f5279778fa8698865.tar.gz gcc-7564fe98657ad5ede34bd08f5279778fa8698865.tar.bz2 | |
libstdc++: Add test for illegal pointer arithmetic in format [PR111102]
libstdc++-v3/ChangeLog:
PR libstdc++/111102
* testsuite/std/format/string.cc: Check wide character format
strings with out-of-range widths.
| -rw-r--r-- | libstdc++-v3/testsuite/std/format/string.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/std/format/string.cc b/libstdc++-v3/testsuite/std/format/string.cc index fef55b9..a472f8d 100644 --- a/libstdc++-v3/testsuite/std/format/string.cc +++ b/libstdc++-v3/testsuite/std/format/string.cc @@ -16,6 +16,18 @@ is_format_string_for(const char* str, Args&&... args) } } +template<typename... Args> +bool +is_format_string_for(const wchar_t* str, Args&&... args) +{ + try { + (void) std::vformat(str, std::make_wformat_args(args...)); + return true; + } catch (const std::format_error&) { + return false; + } +} + void test_no_args() { @@ -124,8 +136,11 @@ test_format_spec() // Maximum integer value supported for widths and precisions is USHRT_MAX. VERIFY( is_format_string_for("{:65535}", 1) ); + VERIFY( is_format_string_for(L"{:65535}", 1) ); VERIFY( ! is_format_string_for("{:65536}", 1) ); + VERIFY( ! is_format_string_for(L"{:65536}", 1) ); VERIFY( ! is_format_string_for("{:9999999}", 1) ); + VERIFY( ! is_format_string_for(L"{:9999999}", 1) ); } void |