Update JsonTest.php

Author: usernane

tests/JsonTest.php

@@ -816,6 +816,19 @@ public function testAdd08() {
                 .'{"property-00":"p0","property-01":"p1","property-02":"p2"}]]]'
                 .'}',$j->toJSONString());
     }
+    /**
+     * @test
+     */
+    public function testAdd09() {
+        $j = new Json();
+        $j->add('one', 'one');
+        $this->assertEquals(1, count($j->getPropsNames()));
+        $j->add('two', 'two');
+        $this->assertEquals(2, count($j->getPropsNames()));
+        $j->add('one', 'not one');
+        $this->assertEquals(2, count($j->getPropsNames()));
+        $this->assertEquals('not one', $j->get('one'));
+    }
     /**
      * @test
      */