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#include <cpp-utils/thread/debugging.h>
#include <cpp-utils/assert/assert.h>
#include <cpp-utils/lock/ConditionBarrier.h>
#include <gtest/gtest.h>
using namespace cpputils;
using std::string;
TEST(ThreadDebuggingTest_ThreadName, givenMainThread_whenSettingAndGetting_thenDoesntCrash) {
set_thread_name("my_thread_name");
get_thread_name();
}
TEST(ThreadDebuggingTest_ThreadName, givenMainThread_whenGettingFromInside_thenIsCorrect) {
set_thread_name("my_thread_name");
const string name = get_thread_name();
EXPECT_EQ("my_thread_name", name);
}
TEST(ThreadDebuggingTest_ThreadName, givenChildThread_whenGettingFromInside_thenIsCorrect) {
std::thread child([] {
set_thread_name("my_thread_name");
const string name = get_thread_name();
EXPECT_EQ("my_thread_name", name);
});
child.join();
}
#if defined(__GLIBC__) || defined(__APPLE__) || defined(_MSC_VER)
// disabled on musl because getting the thread name for a child thread doesn't work there
TEST(ThreadDebuggingTest_ThreadName, givenChildThread_whenSettingAndGetting_thenDoesntCrash) {
ConditionBarrier nameIsChecked;
bool child_didnt_crash = false;
std::thread child([&] {
set_thread_name("my_thread_name");
get_thread_name();
child_didnt_crash = true;
nameIsChecked.wait();
});
get_thread_name(&child);
nameIsChecked.release(); // getting the name of a not-running thread would cause errors, so let's make sure we only exit after getting the name
child.join();
EXPECT_TRUE(child_didnt_crash);
}
TEST(ThreadDebuggingTest_ThreadName, givenChildThread_whenGettingFromOutside_thenIsCorrect) {
ConditionBarrier nameIsSet;
ConditionBarrier nameIsChecked;
std::thread child([&] {
set_thread_name("my_thread_name");
nameIsSet.release();
nameIsChecked.wait();
});
nameIsSet.wait();
set_thread_name("outer_thread_name"); // just to make sure the next line doesn't read the outer thread name
const string name = get_thread_name(&child);
EXPECT_EQ("my_thread_name", name);
nameIsChecked.release();
child.join();
}
#endif
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