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Don't hang on test failure

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This commit is contained in:
Victor Zverovich 2024-01-27 09:33:07 -08:00
parent 6435b169ec
commit b5669512b1
1 changed files with 26 additions and 11 deletions
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37
test/format-test.cc
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@ -15,12 +15,15 @@
#include <stdint.h> // uint32_t
#include <climits> // INT_MAX
#include <cmath> // std::signbit
#include <cstring> // std::strlen
#include <iterator> // std::back_inserter
#include <list> // std::list
#include <type_traits> // std::is_default_constructible
#include <climits> // INT_MAX
#include <cmath> // std::signbit
#include <condition_variable> // std::condition_variable
#include <cstring> // std::strlen
#include <iterator> // std::back_inserter
#include <list> // std::list
#include <mutex> // std::mutex
#include <thread> // std::thread
#include <type_traits> // std::is_default_constructible
#include "gtest-extra.h"
#include "mock-allocator.h"
@ -1756,14 +1759,26 @@ TEST(format_test, big_print) {
#if FMT_USE_FCNTL && !defined(_WIN32)
TEST(format_test, line_buffering) {
auto pipe = fmt::pipe();
auto read_end = pipe.read_end.fdopen("r");
auto write_end = pipe.write_end.fdopen("w");
setvbuf(write_end.get(), nullptr, _IOLBF, 4096);
write_end.print("42\n");
int n = 0;
int result = fscanf(read_end.get(), "%d", &n);
(void)result;
EXPECT_EQ(n, 42);
std::mutex mutex;
std::condition_variable cv;
auto read_end = pipe.read_end.fdopen("r");
std::thread reader([&]() {
int n = 0;
int result = fscanf(read_end.get(), "%d", &n);
(void)result;
EXPECT_EQ(n, 42);
cv.notify_one();
});
std::unique_lock<std::mutex> lock(mutex);
ASSERT_EQ(cv.wait_for(lock, std::chrono::seconds(1)),
std::cv_status::no_timeout);
reader.join();
}
#endif