Stack Allocator Unit Test

Summary: Stack Allocator Unit Test

Test Plan: manual (unit tests are not passing because malloc and free counters have to be added)

Reviewers: sale

Subscribers: sale, buda

Differential Revision: https://memgraph.phacility.com/D21

include/utils/memory/stack_allocator.hpp

@@ -3,6 +3,7 @@
 #include <cmath>
 
 #include "utils/exceptions/out_of_memory.hpp"
+#include "utils/likely.hpp"
 #include "utils/memory/block_allocator.hpp"
 
 // http://en.cppreference.com/w/cpp/language/new

tests/unit/block_allocator.cpp

@@ -14,7 +14,7 @@ TEST(BlockAllocatorTest, UnusedVsReleaseSize)
 TEST(BlockAllocatorTest, CountMallocAndFreeCalls)
 {
     // TODO: implementation
-    EXPECT_EQ(true, true);
+    EXPECT_EQ(true, false);
 }
 
 int main(int argc, char **argv)

tests/unit/stack_allocator.cpp

@@ -0,0 +1,34 @@
+#include "gtest/gtest.h"
+
+#include "utils/memory/stack_allocator.hpp"
+
+struct Object
+{
+    int a;
+    int b;
+
+    Object(int a, int b) : a(a), b(b) {}
+};
+
+TEST(StackAllocatorTest, AllocationAndObjectValidity)
+{
+    StackAllocator allocator;
+    for (int i = 0; i < 64 * 1024; ++i)
+    {
+        auto object = allocator.make<Object>(1, 2);
+        ASSERT_EQ(object->a, 1);
+        ASSERT_EQ(object->b, 2);
+    }
+}
+
+TEST(StackAllocatorTest, CountMallocAndFreeCalls)
+{
+    // TODO: implementation
+    EXPECT_EQ(true, false);
+}
+
+int main(int argc, char **argv)
+{
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}