Fix a segfault in test on glibc 2.26 #551, take 2

This commit is contained in:
Victor Zverovich 2017-08-10 09:27:06 -07:00
parent 6655e804c4
commit 032c83807f

View File

@ -837,8 +837,21 @@ TEST(UtilTest, FormatSystemError) {
fmt::format_system_error(message, EDOM, "test");
EXPECT_EQ(fmt::format("test: {}", get_system_error(EDOM)), message.str());
message.clear();
fmt::format_system_error(
message, EDOM, fmt::StringRef(0, std::numeric_limits<ssize_t>::max()));
// Check if std::allocator throws on allocating max size_t / 2 chars.
size_t max_size = std::numeric_limits<size_t>::max() / 2;
bool throws_on_alloc = false;
try {
std::allocator<char> alloc;
alloc.deallocate(alloc.allocate(max_size), max_size);
} catch (std::bad_alloc) {
throws_on_alloc = true;
}
if (!throws_on_alloc) {
fmt::print("warning: std::allocator allocates {} chars", max_size);
return;
}
fmt::format_system_error(message, EDOM, fmt::StringRef(0, max_size));
EXPECT_EQ(fmt::format("error {}", EDOM), message.str());
}