add examples for read using custom decoder per type, read using custom decoder via iris#UnmarshalerFunc and to complete it add an example for the context#ReadXML.

Former-commit-id: 536b1780f12d0b9d9ce9aa976a0f95f18634ec2d

_examples/http_request/read-xml/main_test.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/kataras/iris/httptest"
+)
+
+func TestReadXML(t *testing.T) {
+	app := newApp()
+	e := httptest.New(t, app)
+
+	expectedResponse := `Received: main.person{XMLName:xml.Name{Space:"", Local:"person"}, Name:"Winston Churchill", Age:90, Description:"Description of this person, the body of this inner element."}`
+	send := `<person name="Winston Churchill" age="90"><description>Description of this person, the body of this inner element.</description></person>`
+
+	e.POST("/").WithText(send).Expect().
+		Status(httptest.StatusOK).Body().Equal(expectedResponse)
+}