import frameModule = require("ui/frame");

import textFieldModule = require("ui/text-field");

import fs = require("file-system");

import helper = require("../ui/helper");

export var test_BindingExpressions_ArrayAccess = function () {

navigateToPage("bindingExpressions_arrayAccess_testPage");

assertElementString("textField1", "bindings");

assertElementString("textField2", "1");

}

export var test_BindingExpressions_LogicalOperators = function () {

navigateToPage("bindingExpressions_logicalOperators_testPage");

assertElementString("textField1", "true");

assertElementString("textField2", "false");

assertElementString("textField3", "true");

}

export var test_BindingExpressions_UnaryOperators = function () {

navigateToPage("bindingExpressions_unaryOperators_testPage");

assertElementString("textField1", "5");

assertElementString("textField2", "-5");

assertElementString("textField3", "3");

assertElementString("textField4", "-3");

assertElementString("textField5", "1");

assertElementString("textField6", "-1");

assertElementValueIsNaN("textField7");

assertElementValueIsNaN("textField8");

}

export var test_BindingExpressions_BinaryOperators = function () {

navigateToPage("bindingExpressions_binaryOperators_testPage");

assertElementString("textField1", "1");

assertElementString("textField2", "-1");

assertElementString("textField3", "0");

assertElementString("textField4", "0");

assertElementString("textField5", "Infinity");

assertElementString("textField6", "0");

assertElementValueIsNaN("textField7");

}

export var test_BindingExpressions_ComparisonOperators = function () {

navigateToPage("bindingExpressions_comparisonOperators_testPage");

assertElementString("textField1", "true");

//assertElementString("textField2", "false");

assertElementString("textField3", "true");

//assertElementString("textField4", "false");

assertElementString("textField5", "false");

assertElementString("textField6", "true");

assertElementString("textField7", "false");

assertElementString("textField8", "true");

}

export var test_BindingExpressions_LogicalComparisonOperators = function () {

navigateToPage("bindingExpressions_logicalComparisonOperators_testPage");

assertElementString("textField1", "false");

assertElementString("textField2", "true");

assertElementString("textField3", "Text");

}

export var test_BindingExpressions_TernaryOperator = function () {

navigateToPage("bindingExpressions_ternaryOperator_testPage");

assertElementString("textField1", "by Pratchett");

}

export var test_BindingExpressions_GroupingParenthesis = function () {

navigateToPage("bindingExpressions_groupingParenthesis_testPage");

assertElementString("textField1", "21");

assertElementString("textField2", "8");

}

export var assertElementString = function (elementId: string, value: any) {

var element: textFieldModule.TextField = <textFieldModule.TextField>(frameModule.topmost().currentPage.getViewById(elementId));

if (element.text.toString() !== value) {

throw new Error(" Actual: " + element.text.toString() + " Expected: " + value);

}

}

export var assertElementValueIsNaN = function (elementId: string) {

var element: textFieldModule.TextField = <textFieldModule.TextField>(frameModule.topmost().currentPage.getViewById(elementId));

var value: any = element.text;

if (isNaN(value) !== true) {

throw new Error(" Actual: " + value + " is not NaN");

}

}

export var navigateToPage = function (pageName: string) {

var path = __dirname.substr(fs.knownFolders.currentApp().path.length);

helper.navigateToModule(path + "/test-pages/" + pageName);

}