first hack at a version for each language, translated from the C#.

GildedRose/cpp/GildedRose.cc

@@ -0,0 +1,117 @@
+#include <gtest/gtest.h>
+
+void example()
+{
+    std::list<Item> items = new std::list<Item>();
+    items.push_back(new Item("+5 Dexterity Vest", 10, 20));
+    items.push_back(new Item("Aged Brie", 2, 0));
+    items.push_back(new Item("Elixir of the Mongoose", 5, 7));
+    items.push_back(new Item("Sulfuras, Hand of Ragnaros", 0, 80));
+    items.push_back(new Item("Backstage passes to a TAFKAL80ETC concert", 15, 20));
+    items.push_back(new Item("Conjured Mana Cake", 3, 6));
+    GildedRose app = new GildedRose(items);
+    app.updateQuality();
+}
+
+class GildedRose
+{
+public:
+    std::list<Item> items;
+    GildedRose(std::list items) 
+    {
+        this.items = items;
+    }
+    
+    void updateQuality() 
+    {
+        for (int i = 0; i < items.length; i++)
+        {
+            if (items[i].name != "Aged Brie" && items[i].name != "Backstage passes to a TAFKAL80ETC concert")
+            {
+                if (items[i].quality > 0)
+                {
+                    if (items[i].name != "Sulfuras, Hand of Ragnaros")
+                    {
+                        items[i].quality = items[i].quality - 1;
+                    }
+                }
+            }
+            else
+            {
+                if (items[i].quality < 50)
+                {
+                    items[i].quality = items[i].quality + 1;
+
+                    if (items[i].name == "Backstage passes to a TAFKAL80ETC concert")
+                    {
+                        if (items[i].sellIn < 11)
+                        {
+                            if (items[i].quality < 50)
+                            {
+                                items[i].quality = items[i].quality + 1;
+                            }
+                        }
+
+                        if (items[i].sellIn < 6)
+                        {
+                            if (items[i].quality < 50)
+                            {
+                                items[i].quality = items[i].quality + 1;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (items[i].name != "Sulfuras, Hand of Ragnaros")
+            {
+                items[i].sellIn = items[i].sellIn - 1;
+            }
+
+            if (items[i].sellIn < 0)
+            {
+                if (items[i].name != "Aged Brie")
+                {
+                    if (items[i].name != "Backstage passes to a TAFKAL80ETC concert")
+                    {
+                        if (items[i].quality > 0)
+                        {
+                            if (items[i].name != "Sulfuras, Hand of Ragnaros")
+                            {
+                                items[i].quality = items[i].quality - 1;
+                            }
+                        }
+                    }
+                    else
+                    {
+                        items[i].quality = items[i].quality - items[i].quality;
+                    }
+                }
+                else
+                {
+                    if (items[i].quality < 50)
+                    {
+                        items[i].quality = items[i].quality + 1;
+                    }
+                }
+            }
+        }
+    }
+};
+
+class Item
+{
+public:
+    std::string name;
+    int sellIn;
+    int quality;
+};
+
+TEST(GildedRoseTest, Foo) {
+    std::list<Item> items = new std::list<Item>();
+    items.push_back(new Item("Foo", 0, 0));
+    GildedRose app = new GildedRose(items);
+    app.updateQuality();
+    EXPECT_EQ("fixme", app.items[0].name);
+}
+