Import: corresponding tests from libpEpAdapter

3 years ago · b6cdb6ed9a
6 changed files with 379 additions and 0 deletions
--- a/test/test_counting_semaphore.cc
+++ b/test/test_counting_semaphore.cc
@ -0,0 +1,110 @@
+// This file is under GNU General Public License 3.0
+// see LICENSE.txt
+
+#include <iostream>
+#include <thread>
+#include <cassert>
+#include <pEp/std_utils.hh>
+#include "../src/CountingSemaphore.hh"
+
+using namespace std;
+using namespace pEp;
+
+thread make_two_threads_for_many_threads()
+{
+    thread res([&]() {
+        CountingSemaphore semaphore;
+        semaphore = 3;
+
+        thread thread1([&]() {
+            semaphore.p ();
+            semaphore.p ();
+            semaphore.p ();
+            // Now the count is at 0, assuming the other thread has not
+            // started yet; otherwise it should be at 1.
+
+            semaphore.p ();
+            //cout << "1: done\n";
+        });
+
+        Utils::sleep_millis(1000);
+
+        thread thread2([&]() {
+            semaphore.v();
+        });
+
+        thread1.join();
+        thread2.join();
+
+        assert (semaphore.load() == 0);
+    });
+    return res;
+}
+
+void many_threads()
+{
+    int i;
+
+#define N 1000
+    thread threads[N];
+    std::cout << "starting " << N
+              << " threads, each starting and joining a thread pair...\n";
+    for (i = 0; i < N; i ++)
+        threads [i] = make_two_threads_for_many_threads ();
+    std::cout << "joining threads...\n";
+    for (i = 0; i < N; i ++)
+        threads [i].join();
+#undef N
+    std::cout << "many_threads done.\n\n";
+}
+
+void v_times (CountingSemaphore &semaphore,
+              int times)
+{
+    std::cout << "V'ing " << times << " times...\n";
+    for (int i = 0; i < times; i ++)
+        semaphore.v ();
+    std::cout << "... I V'd " << times << " times.\n";
+}
+
+void p_times (CountingSemaphore &semaphore,
+              int times)
+{
+    std::cout << "P'ing " << times << " times...\n";
+    for (int i = 0; i < times; i ++)
+        semaphore.p ();
+    std::cout << "... I P'd " << times << " times.\n";
+}
+
+void few_threads()
+{
+#define HALF_N (1000 * 1000 * 10)
+#define N (HALF_N * 2)
+    CountingSemaphore semaphore;
+
+    thread thread_p1([&]() {
+        p_times (semaphore, HALF_N);
+    });
+    thread thread_v([&]() {
+        v_times (semaphore, N);
+    });
+    thread thread_p2([&]() {
+        p_times (semaphore, HALF_N);
+    });
+#undef HALF_N
+#undef N
+    thread_v.join();
+    thread_p1.join();
+    thread_p2.join();
+
+    assert (semaphore.load() == 0);
+
+    std::cout << "few_thrads done.\n\n";
+}
+
+int main()
+{
+    many_threads ();
+    few_threads ();
+    return 0;
+}
--- a/test/test_file_rw_bin.cc
+++ b/test/test_file_rw_bin.cc
@ -0,0 +1,24 @@
+// This file is under GNU General Public License 3.0
+// see LICENSE.txt
+#include <iostream>
+#include <cassert>
+
+#include <pEp/pEpLog.hh>
+#include <pEp/std_utils.hh>
+
+int main(int argc, char* argv[])
+{
+    pEp::Adapter::pEpLog::set_enabled(true);
+    std::string filename = "test_rw.bin";
+
+    std::vector<char> v_out{};
+    for (int i = 0; i < 1000; i++) {
+        v_out.push_back(pEp::Utils::random_char(0, 255));
+    }
+
+    pEp::Utils::file_write_bin(filename, v_out);
+
+    std::vector<char> v_in = pEp::Utils::file_read_bin(filename);
+
+    assert(v_in == v_out);
+}
--- a/test/test_hexbin.cc
+++ b/test/test_hexbin.cc
@ -0,0 +1,39 @@
+#include <pEp/std_utils.hh>
+#include <pEp/pEpLog.hh>
+#include <iostream>
+#include <cassert>
+#include <pEp/pitytest11/PityTest.hh>
+
+using namespace pEp;
+
+int main()
+{
+    pEp::Adapter::pEpLog::set_enabled(true);
+
+    {
+        // Valid hex string
+        std::string str_in{ "FFABCD00EF123200" };
+        std::vector<unsigned char> bin = Utils::hex2bin<unsigned char>(str_in);
+        PITYASSERT(str_in.length() == bin.size() * 2, "Size error");
+
+        std::string str_out = pEp::Utils::bin2hex(bin);
+        pEpLog("Hex_IN  : '" + Utils::to_lower(str_in) + "'");
+        pEpLog("Hex_OUT : '" + Utils::to_lower(str_out) + "'");
+
+        PITYASSERT(Utils::to_lower(str_in) == Utils::to_lower(str_out), "roundtrip failed");
+    }
+
+    {
+        // Uneven string throws
+        std::string str_in{ "FFA" };
+        PITYASSERT_THROWS(Utils::hex2bin<char>(str_in), "Uneven string should throw");
+    }
+
+    {
+        // Non-hex chars
+        std::string str_in{ "pEp!" };
+        PITYASSERT_THROWS(Utils::hex2bin<char>(str_in), "Invalid hex chars should throw");
+    }
+
+    pEpLog("All tests passsed");
+}
--- a/test/test_library.cc
+++ b/test/test_library.cc
@ -0,0 +1,105 @@
+// This file is under GNU General Public License 3.0
+// see LICENSE.txt
+
+#include "pc_container.hh"
+#include <cstdio>
+#include <cstdlib>
+#include <iostream>
+#include <thread>
+
+using namespace pEp;
+
+// Producer's data:
+class P {
+public:
+    P(int i) : data{ new char[64] }
+    {
+        snprintf(data, 63, "%i", i);
+    }
+
+    P(const P&) = delete;
+    void operator=(const P&) = delete;
+
+    ~P()
+    {
+        std::cerr << "~P(): data=" << (data ? data : "(NULL)") << '\n';
+        delete[] data;
+    }
+
+    char* data;
+};
+
+
+// Consumer's data:
+class C {
+public:
+    C(int _i) : i(_i) {}
+    int i;
+};
+
+pc_container<P, C> pc;
+
+void consumer_thread()
+{
+    bool keep_running = true;
+    int sum = 0;
+    while (keep_running) {
+        for (auto& q : pc) {
+            switch (q.state()) {
+                case PC_State::Created: {
+                    const int value = atoi(q.pdata->data);
+                    if (value < 0) {
+                        std::cerr << "Q\n";
+                        keep_running = false;
+                    } else {
+                        std::cerr << "C";
+                        q.cdata = new C(value);
+                        sum += q.cdata->i;
+                    }
+                    break;
+                }
+                case PC_State::Deleted: {
+                    std::cerr << "D";
+                    sum -= q.cdata->i;
+                    delete q.cdata;
+                    break;
+                }
+                case PC_State::Changed: {
+                    std::cerr << "X";
+                    sum -= q.cdata->i;
+                    delete q.cdata;
+                    q.cdata = new C(atoi(q.pdata->data));
+                    sum += q.cdata->i;
+                    break;
+                }
+                default:
+                    throw "Illegal state";
+            }
+        }
+    }
+
+    std::cout << "Consumer sum: " << sum << ".\n";
+}
+
+int main()
+{
+    for (int i = 0; i < 10; ++i) {
+        pc.insert(new P(i));
+    }
+
+    std::thread t{ &consumer_thread };
+
+    for (int i = 10; i < 100; ++i) {
+        pc.insert(new P(i));
+    }
+
+    while (!pc.empty()) {
+        auto q = pc.begin();
+        delete q->pdata;
+        pc.erase(q);
+    }
+
+    pc.insert(new P(-1));
+
+    t.join();
+}
--- a/test/test_rand.cc
+++ b/test/test_rand.cc
@ -0,0 +1,64 @@
+#include <pEp/std_utils.hh>
+#include <pEp/pEpLog.hh>
+#include <pEp/pitytest11/PityTest.hh>
+#include <iostream>
+#include <chrono>
+
+using namespace pEp;
+
+
+int test_random_string_fast()
+{
+    pEpLog("Test test_random_string_fast() correct length, min & max");
+    for (int i = 0; i < 1000; i++) {
+        uint len = Utils::random_fast(5000);
+        std::string res = Utils::random_string_fast(0, 255, len);
+        PITYASSERT(
+            res.length() == len,
+            "random_string_fast: wrong length: " +
+                std::to_string(res.length()) + " is not " + std::to_string(len));
+    }
+    return 0;
+}
+
+int main()
+{
+    pEp::Adapter::pEpLog::set_enabled(true);
+
+    test_random_string_fast();
+
+    pEpLog("Random functions benchmark");
+    int nr_mb = 10;
+    int nr_bytes = 1024 * 1024 * nr_mb;
+    pEpLog("generating " + std::to_string(nr_mb) + "MB's of random");
+
+    {
+        pEpLog("Utils::random_char()");
+        auto time_start = std::chrono::steady_clock::now();
+        for (int i = 0; i < nr_bytes; i++) {
+            Utils::random_char(0, 255);
+        }
+        auto time_end = std::chrono::steady_clock::now();
+        double duration_ms = (double)std::chrono::duration_cast<std::chrono::microseconds>(
+                                 time_end - time_start)
+                                 .count() /
+                             1000;
+        pEpLog("Time [ms/mbyte]:" + std::to_string(duration_ms / double(nr_mb)));
+    }
+    std::cout << "" << std::endl;
+    {
+        pEpLog("Utils::Fastrand()");
+        auto time_start = std::chrono::steady_clock::now();
+        for (int i = 0; i < nr_bytes; i++) {
+            Utils::random_fast(255);
+        }
+        auto time_end = std::chrono::steady_clock::now();
+        double duration_ms = (double)std::chrono::duration_cast<std::chrono::microseconds>(
+                                 time_end - time_start)
+                                 .count() /
+                             1000;
+
+        pEpLog("Time [ms/mbyte]:" + std::to_string(duration_ms / double(nr_mb)));
+    }
+    return 0;
+}
--- a/test/test_semaphore.cc
+++ b/test/test_semaphore.cc
@ -0,0 +1,37 @@
+// This file is under GNU General Public License 3.0
+// see LICENSE.txt
+
+#include <iostream>
+#include <thread>
+#include <pEp/std_utils.hh>
+#include "../src/Semaphore.hh"
+
+using namespace std;
+using namespace pEp;
+
+int main()
+{
+    Semaphore semaphore;
+
+    thread thread1([&]() {
+        cout << "1: before stop\n";
+        semaphore.stop();
+        cout << "1: now on stop\n";
+        semaphore.try_wait();
+        cout << "1: and on go again\n";
+        semaphore.try_wait();
+        cout << "1: keep going\n";
+    });
+
+    Utils::sleep_millis(1000);
+
+    thread thread2([&]() {
+        cout << "2: setting go\n";
+        semaphore.go();
+    });
+
+    thread1.join();
+    thread2.join();
+
+    return 0;
+}