diff --git a/packages/react-devtools-shared/src/__tests__/store-test.js b/packages/react-devtools-shared/src/__tests__/store-test.js
index 565d67067850f..c6ce366df04b2 100644
--- a/packages/react-devtools-shared/src/__tests__/store-test.js
+++ b/packages/react-devtools-shared/src/__tests__/store-test.js
@@ -1915,8 +1915,12 @@ describe('Store', () => {
});
});
- // @reactVersion >= 18.0
- it('from react get counted', () => {
+ // In React 19, JSX warnings were moved into the renderer - https://github.com/facebook/react/pull/29088
+ // When the error is emitted, the source fiber of this error is not yet mounted
+ // So DevTools can't connect the error and the fiber
+ // TODO(hoxyq): update RDT to keep track of such fibers
+ // @reactVersion >= 19.0
+ it('from react get counted [React >= 19]', () => {
function Example() {
return [];
}
@@ -1938,6 +1942,31 @@ describe('Store', () => {
`);
});
+ // @reactVersion >= 18.0
+ // @reactVersion < 19.0
+ it('from react get counted [React 18.x]', () => {
+ function Example() {
+ return [];
+ }
+ function Child() {
+ return null;
+ }
+
+ withErrorsOrWarningsIgnored(
+ ['Warning: Each child in a list should have a unique "key" prop'],
+ () => {
+ act(() => render());
+ },
+ );
+
+ expect(store).toMatchInlineSnapshot(`
+ ✕ 1, ⚠ 0
+ [root]
+ ▾ ✕
+
+ `);
+ });
+
// @reactVersion >= 18.0
it('can be cleared for the whole app', () => {
function Example() {