Test that lifecycles are reverted in reverse order

Author: gaearon

src/renderers/shared/stack/reconciler/__tests__/ReactErrorBoundaries-test.js

@@ -709,19 +709,40 @@ describe('ReactErrorBoundaries', () => {
       var container = document.createElement('div');
       ReactDOM.render(
         <ErrorBoundary>
+          <Normal>
+            <Normal logName="NormalChild" />
+          </Normal>
           <BrokenComponentDidMount />
+          <Normal logName="NeverFullyMounted" />
         </ErrorBoundary>,
         container
       );
       expect(log).toEqual([
         'ErrorBoundary constructor',
         'ErrorBoundary componentWillMount',
         'ErrorBoundary render success',
+        'Normal constructor',
+        'Normal componentWillMount',
+        'Normal render',
+        'NormalChild constructor',
+        'NormalChild componentWillMount',
+        'NormalChild render',
         'BrokenComponentDidMount constructor',
         'BrokenComponentDidMount componentWillMount',
         'BrokenComponentDidMount render',
+        'NeverFullyMounted constructor',
+        'NeverFullyMounted componentWillMount',
+        'NeverFullyMounted render',
+        // Start flushing didMount queue
+        'NormalChild componentDidMount',
+        'Normal componentDidMount',
         'BrokenComponentDidMount componentDidMount [!]',
+        // Call willUnmount for every didMount so far
         'BrokenComponentDidMount componentWillUnmount',
+        // Parents get willUnmount first
+        'Normal componentWillUnmount',
+        'NormalChild componentWillUnmount',
+        // We didn't need to call willUnmount for NeverFullyMounted.
         'ErrorBoundary unstable_handleError',
         'ErrorBoundary constructor',
         'ErrorBoundary componentWillMount',
@@ -743,7 +764,11 @@ describe('ReactErrorBoundaries', () => {
       expect(() => {
         ReactDOM.render(
           <ErrorBoundary>
+            <Normal>
+              <Normal logName="NormalChild" />
+            </Normal>
             <BrokenComponentDidMount />
+            <Normal logName="NeverFullyMounted" />
           </ErrorBoundary>,
           container
         );
@@ -752,19 +777,23 @@ describe('ReactErrorBoundaries', () => {
         'ErrorBoundary constructor',
         'ErrorBoundary componentWillMount',
         'ErrorBoundary render success',
+        'Normal constructor',
+        'Normal componentWillMount',
+        'Normal render',
+        'NormalChild constructor',
+        'NormalChild componentWillMount',
+        'NormalChild render',
         'BrokenComponentDidMount constructor',
         'BrokenComponentDidMount componentWillMount',
         'BrokenComponentDidMount render',
+        'NeverFullyMounted constructor',
+        'NeverFullyMounted componentWillMount',
+        'NeverFullyMounted render',
+        'NormalChild componentDidMount',
+        'Normal componentDidMount',
         'BrokenComponentDidMount componentDidMount [!]',
         // The error doesn't get caught. :-(
       ]);
-
-      log.length = 0;
-      ReactDOM.unmountComponentAtNode(container);
-      expect(log).toEqual([
-        'ErrorBoundary componentWillUnmount',
-        'BrokenComponentDidMount componentWillUnmount',
-      ]);
     });
   }