Add tests and update lib tests file

tests/cases/conformance/jsx/tsxGenericAttributesType1.tsx

@@ -0,0 +1,18 @@
+// @filename: file.tsx
+// @jsx: preserve
+// @noLib: true
+// @libFiles: react.d.ts,lib.d.ts
+
+import React = require('react');
+
+const decorator = function <T>(Component: React.StatelessComponent<T>): React.StatelessComponent<T> {
+    return (props) => <Component {...props}></Component>
+};
+
+const decorator2 = function <T extends { x: number }>(Component: React.StatelessComponent<T>): React.StatelessComponent<T> {
+    return (props) => <Component {...props} x={2} ></Component>
+};
+
+const decorator3 = function <T extends { x: number }, U extends { x: number } >(Component: React.StatelessComponent<T>): React.StatelessComponent<T> {
+    return (props) => <Component x={2} {...props} ></Component>
+};

tests/cases/conformance/jsx/tsxGenericAttributesType2.tsx

@@ -0,0 +1,10 @@
+// @filename: file.tsx
+// @jsx: preserve
+// @noLib: true
+// @libFiles: react.d.ts,lib.d.ts
+
+import React = require('react');
+
+const decorator4 = function <T extends { x: number }>(Component: React.StatelessComponent<T>): React.StatelessComponent<T> {
+    return (props) => <Component {...props} y={"blah"} ></Component>
+};

tests/cases/conformance/jsx/tsxGenericAttributesType3.tsx

@@ -0,0 +1,17 @@
+// @filename: file.tsx
+// @jsx: preserve
+// @noLib: true
+// @libFiles: react.d.ts,lib.d.ts
+
+import React = require('react');
+
+class B1<T extends { x: string } = { x:string } > extends React.Component<T, {}> {
+    render() {
+        return <div>hi</div>; 
+    }
+}
+class B<U> extends React.Component<U, {}> {
+    render() {
+        return <B1 {...this.props} x="hi" />;
+    }
+}

tests/cases/conformance/jsx/tsxGenericAttributesType4.tsx

@@ -0,0 +1,18 @@
+// @filename: file.tsx
+// @jsx: preserve
+// @noLib: true
+// @libFiles: react.d.ts,lib.d.ts
+
+import React = require('react');
+
+class B1<T extends { x: string }> extends React.Component<T, {}> {
+    render() {
+        return <div>hi</div>; 
+    }
+}
+class B<U> extends React.Component<U, {}> {
+    render() {
+        // Should be an ok but as of 2.3.3 this will be an error as we will instantiate B1.props to be empty object
+        return <B1 {...this.props} x="hi" />;
+    }
+}

tests/lib/react.d.ts

@@ -197,7 +197,7 @@ declare namespace __React {
 
     type SFC<P> = StatelessComponent<P>;
     interface StatelessComponent<P> {
-        (props: P, context?: any): ReactElement<any>;
+        (props: P & { children?: ReactNode }, context?: any): ReactElement<any>;
         propTypes?: ValidationMap<P>;
         contextTypes?: ValidationMap<any>;
         defaultProps?: P;