react-native/IntegrationTests/SizeFlexibilityUpdateTest.js

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
* @providesModule SizeFlexibilityUpdateTest
*/
'use strict';
var React = require('react');
var ReactNative = require('react-native');
var RCTNativeAppEventEmitter = require('RCTNativeAppEventEmitter');
var Subscribable = require('Subscribable');
var { View } = ReactNative;
var { TestModule } = ReactNative.NativeModules;
var reactViewWidth = 111;
var reactViewHeight = 222;
var finalState = false;
var SizeFlexibilityUpdateTest = React.createClass({
mixins: [Subscribable.Mixin],
componentWillMount: function() {
this.addListenerOn(
RCTNativeAppEventEmitter,
'rootViewDidChangeIntrinsicSize',
this.rootViewDidChangeIntrinsicSize
);
},
markPassed: function() {
TestModule.markTestPassed(true);
finalState = true;
},
rootViewDidChangeIntrinsicSize: function(intrinsicSize) {
if (finalState) {
// If a test reaches its final state, it is not expected to do anything more
TestModule.markTestPassed(false);
return;
}
if (this.props.both) {
if (intrinsicSize.width === reactViewWidth && intrinsicSize.height === reactViewHeight) {
this.markPassed();
return;
}
}
if (this.props.height) {
if (intrinsicSize.width !== reactViewWidth && intrinsicSize.height === reactViewHeight) {
this.markPassed();
return;
}
}
if (this.props.width) {
if (intrinsicSize.width === reactViewWidth && intrinsicSize.height !== reactViewHeight) {
this.markPassed();
return;
}
}
if (this.props.none) {
if (intrinsicSize.width !== reactViewWidth && intrinsicSize.height !== reactViewHeight) {
this.markPassed();
return;
}
}
},
render() {
return (
<View style={{'height':reactViewHeight, 'width':reactViewWidth}}/>
);
}
});
SizeFlexibilityUpdateTest.displayName = 'SizeFlexibilityUpdateTest';
module.exports = SizeFlexibilityUpdateTest;