package org.sgx.yuigwt.yuitest1.gallery.test;
import static org.sgx.yuigwt.yuitest1.gallery.GalleryConstants.TAG_JSINJAVA;
import static org.sgx.yuigwt.yuitest1.gallery.GalleryConstants.TAG_NODE;
import static org.sgx.yuigwt.yuitest1.gallery.GalleryConstants.TAG_RESIZE;
import org.sgx.yuigwt.yui.YUI;
import org.sgx.yuigwt.yui.YUICallback;
import org.sgx.yuigwt.yui.YuiContext;
import org.sgx.yuigwt.yui.node.Node;
import org.sgx.yuigwt.yui.util.JsFunction;
import org.sgx.yuigwt.yui.util.JsFunctionBuilder;
import org.sgx.yuigwt.yui.util.JsObject;
import com.google.gwt.core.client.JavaScriptException;
import com.google.gwt.user.client.Window;
/**
* some test on manipulating json objects and strings in java and Y.JSON
*
* @author sg
*
*/
public class JSONTest1 extends AbstractTest {
public JSONTest1() {
super("json1", "some test on manipulating json objects and strings in java and Y.JSON", new String[] { TAG_NODE,
TAG_RESIZE, TAG_JSINJAVA }, TestResources.instance.JSONTest1());
}
@Override
public void test(final Node parent) {
YUI.Use(new String[] { "json", "io", "button" }, new YUICallback() {
@Override
public void ready(final YuiContext Y) {
String errMsg = null;
// test 1 : parse a json string
String jsonStr1 = " {\"troop\":[{\"name\":\"Ashley\",\"age\":12},{\"name\":\"Abby\",\"age\":9}]}";
JsObject obj1 = Y.JSON().parse(jsonStr1).cast();
if (obj1.objGetArr("troop").length() != 2)
errMsg = "obj1.objGetArr(\"troop\").length()!=2";
// test 2 : parse another json string
String jsonStr2 = "{\"data\": [ "
+ " {\"category\":\"5/1/2010\", \"miscellaneous\":2000, \"expenses\":3700, \"revenue\":2200}, "
+ " {\"category\":\"5/2/2010\", \"miscellaneous\":50, \"expenses\":9100, \"revenue\":100}, "
+ " {\"category\":\"5/3/2010\", \"miscellaneous\":400, \"expenses\":1100, \"revenue\":1500}, "
+ " {\"category\":\"5/4/2010\", \"miscellaneous\":200, \"expenses\":1900, \"revenue\":2800}, "
+ " {\"category\":\"5/5/2010\", \"miscellaneous\":5000, \"expenses\":5000, \"revenue\":2650}"
+ "]}";
/*
* Note: due to GWT types restrictions, we couldn't represent the JSON.parse() reviver function using a Java JsObject (function return value can be anything).
* Instead se define a js function inline using JsFunctionBuilder.
*/
JsFunction reviver2 = new JsFunctionBuilder() {
@Override
public native final JsFunction buildFunction()/*-{
return function(k, v) {
if (k == "miscellaneous" && v > 500)
return 999999;
else
return v;
}
}-*/;
}.buildFunction();
JsObject obj2 = Y.JSON().parse(jsonStr2, reviver2).cast();
if (obj2.objGetArr("data").length() != 5)
errMsg = "obj2.objGetArr(\"troop\").length()!=5";
if (obj2.objGetArr("data").getObj(2).objGetInt("miscellaneous") != 400)
errMsg = "obj2.objGetArr(\"data\").getObj(2).objGetInt(\"miscellaneous\")!=400 but "
+ obj2.objGetArr("data").getObj(2).objGetInt("miscellaneous");
if (obj2.objGetArr("data").getObj(0).objGetInt("miscellaneous") != 999999)
errMsg = "obj2.objGetArr(\"data\").getObj(0).objGetInt(\"miscellaneous\")!=999999";
// test 3 : try to parse an invalid json string and catch the exeption.
boolean err = false;
try {
JsObject obj3 = Y.JSON().parse("{blsbls: dhhdhd , , [.]}").cast();
} catch (JavaScriptException e) {
err = true;
Window.alert(e + "");
}
if (!err)
errMsg = "Invalid json parse() do not throw exception. ";
if (errMsg != null)
Window.alert("ERROR: " + errMsg);
}
});
}
}