add tests for React.fragment

Author: mununki

jscomp/syntax/tests/ppx/react/expected/fragment.res.txt

@@ -2,18 +2,43 @@
 
 let _ = ReactDOM.createElement(React.fragment, [])
 let _ = ReactDOM.createElement(React.fragment, [ReactDOM.createDOMElementVariadic("div", [])])
+let _ = ReactDOM.createElement(
+  React.fragment,
+  [ReactDOM.createDOMElementVariadic("div", []), ReactDOM.createDOMElementVariadic("div", [])],
+)
 let _ = ReactDOM.createElement(React.fragment, [ReactDOM.createElement(React.fragment, [])])
 let _ = React.createElement(Z.make, {})
 let _ = React.createElement(Z.make, {children: ReactDOM.createDOMElementVariadic("div", [])})
+let _ = React.createElementVariadic(
+  Z.make,
+  {children: React.null},
+  [ReactDOM.createDOMElementVariadic("div", []), ReactDOM.createDOMElementVariadic("div", [])],
+)
 let _ = ReactDOM.createDOMElementVariadic("div", [])
 let _ = ReactDOM.createDOMElementVariadic("div", [ReactDOM.createDOMElementVariadic("div", [])])
+let _ = ReactDOM.createDOMElementVariadic(
+  "div",
+  [ReactDOM.createDOMElementVariadic("div", []), ReactDOM.createDOMElementVariadic("div", [])],
+)
 
 @@jsxConfig({version: 4, mode: "automatic"})
 
 let _ = React.jsx(React.jsxFragment, {})
 let _ = React.jsx(React.jsxFragment, {children: ReactDOM.jsx("div", {})})
+let _ = React.jsxs(
+  React.jsxFragment,
+  {children: [ReactDOM.jsx("div", {}), ReactDOM.jsx("div", {})]},
+)
 let _ = React.jsx(React.jsxFragment, {children: React.jsx(React.jsxFragment, {})})
 let _ = React.jsx(Z.make, {})
 let _ = React.jsx(Z.make, {children: ReactDOM.jsx("div", {})})
+let _ = React.jsxs(
+  Z.make,
+  {children: React.array([ReactDOM.jsx("div", {}), ReactDOM.jsx("div", {})])},
+)
 let _ = ReactDOM.jsx("div", {})
 let _ = ReactDOM.jsx("div", {children: ?ReactDOM.someElement(ReactDOM.jsx("div", {}))})
+let _ = ReactDOM.jsxs(
+  "div",
+  {children: React.array([ReactDOM.jsx("div", {}), ReactDOM.jsx("div", {})])},
+)

jscomp/syntax/tests/ppx/react/fragment.res

@@ -2,18 +2,24 @@
 
 let _ = <></>
 let _ = <><div /></>
+let _ = <><div /><div /></>
 let _ = <><></></>
 let _ = <Z />
 let _ = <Z><div /></Z>
+let _ = <Z><div /><div /></Z>
 let _ = <div />
 let _ = <div><div /></div>
+let _ = <div><div /><div /></div>
 
 @@jsxConfig({version:4, mode: "automatic"})
 
 let _ = <></>
 let _ = <><div /></>
+let _ = <><div /><div /></>
 let _ = <><></></>
 let _ = <Z />
 let _ = <Z><div /></Z>
+let _ = <Z><div /><div /></Z>
 let _ = <div />
-let _ = <div><div /></div>
+let _ = <div><div /></div>
+let _ = <div><div /><div /></div>