Add unordered_{set|map} and set to Java

Add test suite

Add to makefile

Revert set change

Fix java map test

Fix some of the tests

Fix unordered map test

Lib/java/std_unordered_map.i

@@ -0,0 +1,65 @@
+/* -----------------------------------------------------------------------------
+ * std_unordered_map.i
+ *
+ * SWIG typemaps for std::unordered_map
+ * ----------------------------------------------------------------------------- */
+
+%include <std_common.i>
+
+// ------------------------------------------------------------------------
+// std::unordered_map
+// ------------------------------------------------------------------------
+
+%{
+#include <unordered_map>
+#include <stdexcept>
+%}
+
+namespace std {
+
+template<class KeyType, class MappedType> class unordered_map {
+  public:
+    typedef size_t size_type;
+    typedef ptrdiff_t difference_type;
+    typedef KeyType key_type;
+    typedef MappedType mapped_type;
+    unordered_map();
+    unordered_map(const unordered_map<KeyType, MappedType>&);
+
+    unsigned int size() const;
+    bool empty() const;
+    void clear();
+
+    %extend {
+      const MappedType& get(const KeyType& key) throw (std::out_of_range) {
+        std::unordered_map<KeyType, MappedType>::iterator i = self->find(key);
+
+        if (i != self->end()) {
+          return i->second;
+        } else {
+          throw std::out_of_range("key not found");
+        }
+      }
+
+      void set(const KeyType& key, const MappedType& x) {
+        (*self)[key] = x;
+      }
+
+      void del(const KeyType& key) throw (std::out_of_range) {
+        std::unordered_map<KeyType, MappedType>::iterator i = self->find(key);
+
+        if (i != self->end()) {
+          self->erase(i);
+        } else {
+          throw std::out_of_range("key not found");
+        }
+      }
+
+      bool has_key(const KeyType& key) {
+        std::unordered_map<KeyType, MappedType>::iterator i = self->find(key);
+        return i != self->end();
+      }
+    }
+};
+
+}  // namespace std