add a testcase.

Author: treefrogframework

src/test/sharedmemory/sharedmemory

@@ -0,0 +1,110 @@
+#include <TfTest/TfTest>
+#include "tsharedmemory.h"
+#include "tglobal.h"
+#include <iostream>
+
+
+namespace {
+TSharedMemory sharedMomory("testshared.shm");
+}
+
+
+class TestSharedMemory : public QObject
+{
+    Q_OBJECT
+private slots:
+    void initTestCase();
+    void cleanupTestCase();
+
+    void attach();
+    void test1();
+    void test2_data();
+    void test2();
+};
+
+
+static QByteArray randomString(int length)
+{
+    constexpr auto ch = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-+/^=_[]@:;!#$%()~? \t\n";
+    QByteArray ret;
+    int max = (int)strlen(ch) - 1;
+
+    for (int i = 0; i < length; ++i) {
+        ret += ch[Tf::random(max)];
+    }
+    return ret;
+}
+
+void TestSharedMemory::initTestCase()
+{
+    sharedMomory.create(100 * 1024 * 1024);
+}
+
+void TestSharedMemory::cleanupTestCase()
+{
+    sharedMomory.unlink();
+}
+
+void TestSharedMemory::attach()
+{
+    bool res = sharedMomory.attach();
+    Q_ASSERT(res);
+    Tf::msleep(1000);
+    res = sharedMomory.detach();
+    Q_ASSERT(res);
+    Tf::msleep(1000);
+    res = sharedMomory.attach();
+    Q_ASSERT(res);
+    res = sharedMomory.detach();
+    Q_ASSERT(res);
+}
+
+void TestSharedMemory::test1()
+{
+    sharedMomory.attach();
+    QVERIFY(sharedMomory.size() == 100 * 1024 * 1024);
+
+    // Lock and unlock
+    auto ptr = sharedMomory.data();
+    QVERIFY(ptr != nullptr);
+    bool res = sharedMomory.lockForRead();
+    Q_ASSERT(res);
+    res = sharedMomory.lockForWrite();
+    Q_ASSERT(!res);
+    res = sharedMomory.unlock();
+    Q_ASSERT(res);
+    res = sharedMomory.lockForWrite();
+    Q_ASSERT(res);
+    res = sharedMomory.unlock();
+    Q_ASSERT(res);
+    QVERIFY(ptr == sharedMomory.data());
+}
+
+void TestSharedMemory::test2_data()
+{
+    QTest::addColumn<QByteArray>("string");
+
+    QTest::newRow("1") << QUuid::createUuid().toByteArray();
+    QTest::newRow("2") << QUuid::createUuid().toByteArray();
+    QTest::newRow("3") << randomString(128);
+    QTest::newRow("4") << randomString(256);
+    QTest::newRow("5") << randomString(1024);
+}
+
+void TestSharedMemory::test2()
+{
+    QFETCH(QByteArray, string);
+
+    bool res = sharedMomory.attach();
+    Q_ASSERT(res);
+    auto ptr = sharedMomory.data();
+    res = sharedMomory.lockForWrite();
+    Q_ASSERT(res);
+    std::memcpy(ptr, string.data(), string.length());
+    sharedMomory.unlock();
+    res = sharedMomory.detach();
+    Q_ASSERT(res);
+}
+
+TF_TEST_MAIN(TestSharedMemory)
+#include "sharedmemory.moc"

src/test/sharedmemory/sharedmemory.cpp

@@ -0,0 +1,3 @@
+include(../test.pri)
+TARGET = sharedmemory
+SOURCES = sharedmemory.cpp

src/test/sharedmemory/sharedmemory.pro

@@ -5,7 +5,7 @@ SUBDIRS += mailmessage multipartformdata  smtpmailer viewhelper paginator
 SUBDIRS += fieldnametovariablename rand urlrouter urlrouter2
 SUBDIRS += buildtest stack queue forlist
 SUBDIRS += jscontext compression sqlitedb url malloc
-SUBDIRS += sharedmemoryhash sharedmemorymutex
+SUBDIRS += sharedmemory sharedmemoryhash sharedmemorymutex
 unix {
   SUBDIRS += redis memcached
 }