5 files changed, 89 insertions, 0 deletions
diff --git a/src/utils/IRandomGenerator.h b/src/utils/IRandomGenerator.h
new file mode 100644
index 0000000..08c6f95
--- /dev/null
+++ b/src/utils/IRandomGenerator.h
@@ -0,0 +1,17 @@
+#ifndef I_RANDOM_GENERATOR_H
+#define I_RANDOM_GENERATOR_H
+
+#include <QtCore>
+
+class IRandomGenerator
+{
+public:
+	virtual ~IRandomGenerator() {}
+    virtual double getInRange_11() const = 0;
+    virtual double getInRange_01() const = 0;
+    virtual int getRand() const = 0;
+    virtual int getRand(int maxNum) const = 0;
+    virtual QByteArray getArray() const = 0;
+};
+
+#endif
diff --git a/src/utils/RandomGenerator.cpp b/src/utils/RandomGenerator.cpp
new file mode 100644
index 0000000..9ffe4fb
--- /dev/null
+++ b/src/utils/RandomGenerator.cpp
@@ -0,0 +1,38 @@
+#include "RandomGenerator.h"
+
+#include <stdlib.h>
+#include <time.h>
+
+RandomGenerator::RandomGenerator()
+{
+    srand(time(NULL));
+}
+
+double RandomGenerator::getInRange_11() const
+{
+	return 2. * rand() / RAND_MAX - 1;
+}
+
+double RandomGenerator::getInRange_01() const
+{
+    return float(rand()) / RAND_MAX;
+}
+
+int RandomGenerator::getRand() const
+{
+    return rand();
+}
+
+int RandomGenerator::getRand(int maxNum) const
+{
+    return rand() % maxNum;
+}
+
+QByteArray RandomGenerator::getArray() const
+{
+    const int size = 16;
+    QByteArray res;
+    for(int i = 0; i < size; i++)
+        res += rand() % 256;
+    return res;
+}
diff --git a/src/utils/RandomGenerator.h b/src/utils/RandomGenerator.h
new file mode 100644
index 0000000..da36070
--- /dev/null
+++ b/src/utils/RandomGenerator.h
@@ -0,0 +1,16 @@
+#ifndef RANDOM_GENERATOR_H
+#define RANDOM_GENERATOR_H
+
+#include "IRandomGenerator.h"
+
+class RandomGenerator: public IRandomGenerator
+{
+public:
+    RandomGenerator();
+    double getInRange_11() const;
+    double getInRange_01() const;
+    int getRand() const;
+    int getRand(int maxNum) const;
+    QByteArray getArray() const;
+};
+#endif
diff --git a/src/utils/TimeProvider.cpp b/src/utils/TimeProvider.cpp
new file mode 100644
index 0000000..db24c5e
--- /dev/null
+++ b/src/utils/TimeProvider.cpp
@@ -0,0 +1,6 @@
+#include "TimeProvider.h"
+
+QDateTime TimeProvider::get()
+{
+	return QDateTime::currentDateTime();
+}
diff --git a/src/utils/TimeProvider.h b/src/utils/TimeProvider.h
new file mode 100644
index 0000000..697d8eb
--- /dev/null
+++ b/src/utils/TimeProvider.h
@@ -0,0 +1,12 @@
+#ifndef TIME_PROVIDER_H
+#define TIME_PROVIDER_H
+
+#include <QtCore>
+
+class TimeProvider
+{
+public:
+    static QDateTime get();
+};
+
+#endif