diff --git a/dev/js/spec/stateSpec.js b/dev/js/spec/stateSpec.js
new file mode 100644
index 0000000..865691e
--- /dev/null
+++ b/dev/js/spec/stateSpec.js
@@ -0,0 +1,57 @@
+define(['state'], function (stateClass) {
+
+  describe('KorAP.State', function () {
+    it('should be initializable', function () {
+      let s = stateClass.create();
+      expect(s.get()).toBeFalsy();
+
+      s = stateClass.create(true);
+      expect(s.get()).toBeTruthy();
+    });
+
+    it('should be settable and gettable', function () {
+      let s = stateClass.create();
+      expect(s.get()).toBeFalsy();
+      s.set(true);
+      expect(s.get()).toBeTruthy();
+    });
+
+    it('should be associatable', function () {
+      let s = stateClass.create();
+
+      // Create
+      let obj1 = {
+        x : false,
+        setState : function (value) {
+          this.x = value;
+        }
+      };
+
+      // Create
+      let obj2 = {
+        x : true,
+        setState : function (value) {
+          this.x = value;
+        }
+      };
+      
+      expect(s.get()).toBeFalsy();
+      expect(obj1.x).toBeFalsy();
+      expect(obj2.x).toBeTruthy();
+
+      // Associate object with state
+      s.associate(obj1);
+      s.associate(obj2);
+
+      expect(s.get()).toBeFalsy();
+      expect(obj1.x).toBeFalsy();
+      expect(obj2.x).toBeFalsy();
+
+      s.set(true);
+
+      expect(s.get()).toBeTruthy();
+      expect(obj1.x).toBeTruthy();
+      expect(obj2.x).toBeTruthy();
+    });
+  });
+});