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38 changes: 22 additions & 16 deletions IntegrationTests/SizeFlexibilityUpdateTest.js
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@
'use strict';

const React = require('react');
const createReactClass = require('create-react-class');
const ReactNative = require('react-native');
const RCTNativeAppEventEmitter = require('RCTNativeAppEventEmitter');
const {View} = ReactNative;
Expand All @@ -24,29 +23,38 @@ const reactViewHeight = 222;

let finalState = false;

const SizeFlexibilityUpdateTest = createReactClass({
displayName: 'SizeFlexibilityUpdateTest',
_subscription: (null: ?EmitterSubscription),
type Props = $ReadOnly<{|
width: boolean,
height: boolean,
both: boolean,
none: boolean,
|}>;

UNSAFE_componentWillMount: function() {
class SizeFlexibilityUpdateTest extends React.Component<Props> {
_subscription: ?EmitterSubscription = null;

UNSAFE_componentWillMount() {
this._subscription = RCTNativeAppEventEmitter.addListener(
'rootViewDidChangeIntrinsicSize',
this.rootViewDidChangeIntrinsicSize,
);
},
}

componentWillUnmount: function() {
componentWillUnmount() {
if (this._subscription != null) {
this._subscription.remove();
}
},
}

markPassed: function() {
markPassed = () => {
TestModule.markTestPassed(true);
finalState = true;
},
};

rootViewDidChangeIntrinsicSize: function(intrinsicSize) {
rootViewDidChangeIntrinsicSize = (intrinsicSize: {
width: number,
height: number,
}) => {
if (finalState) {
// If a test reaches its final state, it is not expected to do anything more
TestModule.markTestPassed(false);
Expand Down Expand Up @@ -89,13 +97,11 @@ const SizeFlexibilityUpdateTest = createReactClass({
return;
}
}
},
};

render() {
return <View style={{height: reactViewHeight, width: reactViewWidth}} />;
},
});

SizeFlexibilityUpdateTest.displayName = 'SizeFlexibilityUpdateTest';
}
}

module.exports = SizeFlexibilityUpdateTest;