Add org.thymeleaf.engine.IterationStatusVar (#526)

Author: exoego

metadata/org.thymeleaf/thymeleaf/3.1.0.RC1/reflect-config.json

@@ -404,5 +404,17 @@
     "condition": {
       "typeReachable": "org.thymeleaf.standard.expression.StandardExpressionParser"
     }
+  },
+  {
+    "name": "org.thymeleaf.engine.IterationStatusVar",
+    "allDeclaredConstructors": true,
+    "allPublicConstructors": true,
+    "allDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true,
+    "condition": {
+      "typeReachable": "org.thymeleaf.standard.expression.OGNLVariableExpressionEvaluator"
+    }
   }
 ]

tests/src/org.thymeleaf/thymeleaf/3.1.0.RC1/src/test/java/org/thymeleaf/ThymeleafTest.java

@@ -185,5 +185,13 @@ void renderTemporalsExpression() {
         assertThat(output).startsWith("<p>15/06/1981</p>");
     }
 
-
+    @Test
+    void renderIteratorStatus() {
+        TemplateEngine templateEngine = new TemplateEngine();
+        Context context = new Context();
+        context.setVariable("array", new String[] {"one", "two"});
+        String template = "<ul><li th:each=\"v, iterStat:${array}\" th:class=\"${iterStat.odd}? 'odd'\" th:text=\"${v}\">value</li></ul>";
+        String output = templateEngine.process(template, context);
+        assertThat(output).startsWith("<ul><li class=\"odd\">one</li><li>two</li></ul>");
+    }
 }