Add tests and baselines

Author: Kanchalai Tanglertsampan

tests/baselines/reference/tsxSfcReturnNull.js

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+//// [file.tsx]
+
+import React = require('react');
+
+const Foo = (props: any) => null;
+
+function Greet(x: {name?: string}) {
+	return null;
+}
+
+const foo = <Foo />;
+const G = <Greet />;
+
+//// [file.jsx]
+define(["require", "exports", "react"], function (require, exports, React) {
+    "use strict";
+    exports.__esModule = true;
+    var Foo = function (props) { return null; };
+    function Greet(x) {
+        return null;
+    }
+    var foo = <Foo />;
+    var G = <Greet />;
+});

tests/baselines/reference/tsxSfcReturnNull.symbols

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+=== tests/cases/conformance/jsx/file.tsx ===
+
+import React = require('react');
+>React : Symbol(React, Decl(file.tsx, 0, 0))
+
+const Foo = (props: any) => null;
+>Foo : Symbol(Foo, Decl(file.tsx, 3, 5))
+>props : Symbol(props, Decl(file.tsx, 3, 13))
+
+function Greet(x: {name?: string}) {
+>Greet : Symbol(Greet, Decl(file.tsx, 3, 33))
+>x : Symbol(x, Decl(file.tsx, 5, 15))
+>name : Symbol(name, Decl(file.tsx, 5, 19))
+
+	return null;
+}
+
+const foo = <Foo />;
+>foo : Symbol(foo, Decl(file.tsx, 9, 5))
+>Foo : Symbol(Foo, Decl(file.tsx, 3, 5))
+
+const G = <Greet />;
+>G : Symbol(G, Decl(file.tsx, 10, 5))
+>Greet : Symbol(Greet, Decl(file.tsx, 3, 33))
+

tests/baselines/reference/tsxSfcReturnNull.types

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+=== tests/cases/conformance/jsx/file.tsx ===
+
+import React = require('react');
+>React : typeof React
+
+const Foo = (props: any) => null;
+>Foo : (props: any) => any
+>(props: any) => null : (props: any) => any
+>props : any
+>null : null
+
+function Greet(x: {name?: string}) {
+>Greet : (x: { name?: string; }) => any
+>x : { name?: string; }
+>name : string
+
+	return null;
+>null : null
+}
+
+const foo = <Foo />;
+>foo : JSX.Element
+><Foo /> : JSX.Element
+>Foo : (props: any) => any
+
+const G = <Greet />;
+>G : JSX.Element
+><Greet /> : JSX.Element
+>Greet : (x: { name?: string; }) => any
+

tests/baselines/reference/tsxSfcReturnNullStrictNullChecks.js

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+//// [file.tsx]
+
+import React = require('react');
+
+const Foo = (props: any) => null;
+
+function Greet(x: {name?: string}) {
+	return null;
+}
+
+const foo = <Foo />;
+const G = <Greet />;
+
+//// [file.jsx]
+define(["require", "exports", "react"], function (require, exports, React) {
+    "use strict";
+    exports.__esModule = true;
+    var Foo = function (props) { return null; };
+    function Greet(x) {
+        return null;
+    }
+    var foo = <Foo />;
+    var G = <Greet />;
+});

tests/baselines/reference/tsxSfcReturnNullStrictNullChecks.symbols

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+=== tests/cases/conformance/jsx/file.tsx ===
+
+import React = require('react');
+>React : Symbol(React, Decl(file.tsx, 0, 0))
+
+const Foo = (props: any) => null;
+>Foo : Symbol(Foo, Decl(file.tsx, 3, 5))
+>props : Symbol(props, Decl(file.tsx, 3, 13))
+
+function Greet(x: {name?: string}) {
+>Greet : Symbol(Greet, Decl(file.tsx, 3, 33))
+>x : Symbol(x, Decl(file.tsx, 5, 15))
+>name : Symbol(name, Decl(file.tsx, 5, 19))
+
+	return null;
+}
+
+const foo = <Foo />;
+>foo : Symbol(foo, Decl(file.tsx, 9, 5))
+>Foo : Symbol(Foo, Decl(file.tsx, 3, 5))
+
+const G = <Greet />;
+>G : Symbol(G, Decl(file.tsx, 10, 5))
+>Greet : Symbol(Greet, Decl(file.tsx, 3, 33))
+

tests/baselines/reference/tsxSfcReturnNullStrictNullChecks.types

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+=== tests/cases/conformance/jsx/file.tsx ===
+
+import React = require('react');
+>React : typeof React
+
+const Foo = (props: any) => null;
+>Foo : (props: any) => null
+>(props: any) => null : (props: any) => null
+>props : any
+>null : null
+
+function Greet(x: {name?: string}) {
+>Greet : (x: { name?: string | undefined; }) => null
+>x : { name?: string | undefined; }
+>name : string | undefined
+
+	return null;
+>null : null
+}
+
+const foo = <Foo />;
+>foo : JSX.Element
+><Foo /> : JSX.Element
+>Foo : (props: any) => null
+
+const G = <Greet />;
+>G : JSX.Element
+><Greet /> : JSX.Element
+>Greet : (x: { name?: string | undefined; }) => null
+

tests/baselines/reference/tsxSfcReturnUndefinedStrictNullChecks.errors.txt

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+tests/cases/conformance/jsx/file.tsx(10,13): error TS2605: JSX element type 'undefined' is not a constructor function for JSX elements.
+tests/cases/conformance/jsx/file.tsx(11,11): error TS2605: JSX element type 'undefined' is not a constructor function for JSX elements.
+
+
+==== tests/cases/conformance/jsx/file.tsx (2 errors) ====
+    
+    import React = require('react');
+    
+    const Foo = (props: any) => undefined;
+    function Greet(x: {name?: string}) {
+    	return undefined;
+    }
+    
+    // Error
+    const foo = <Foo />;
+                ~~~~~~~
+!!! error TS2605: JSX element type 'undefined' is not a constructor function for JSX elements.
+    const G = <Greet />;
+              ~~~~~~~~~
+!!! error TS2605: JSX element type 'undefined' is not a constructor function for JSX elements.

tests/baselines/reference/tsxSfcReturnUndefinedStrictNullChecks.js

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+//// [file.tsx]
+
+import React = require('react');
+
+const Foo = (props: any) => undefined;
+function Greet(x: {name?: string}) {
+	return undefined;
+}
+
+// Error
+const foo = <Foo />;
+const G = <Greet />;
+
+//// [file.jsx]
+define(["require", "exports", "react"], function (require, exports, React) {
+    "use strict";
+    exports.__esModule = true;
+    var Foo = function (props) { return undefined; };
+    function Greet(x) {
+        return undefined;
+    }
+    // Error
+    var foo = <Foo />;
+    var G = <Greet />;
+});

tests/cases/conformance/jsx/tsxSfcReturnNull.tsx

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+// @filename: file.tsx
+// @jsx: preserve
+// @module: amd
+// @noLib: true
+// @libFiles: react.d.ts,lib.d.ts
+
+import React = require('react');
+
+const Foo = (props: any) => null;
+
+function Greet(x: {name?: string}) {
+	return null;
+}
+
+const foo = <Foo />;
+const G = <Greet />;

tests/cases/conformance/jsx/tsxSfcReturnNullStrictNullChecks.tsx

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+// @filename: file.tsx
+// @jsx: preserve
+// @module: amd
+// @noLib: true
+// @strictNullChecks: true
+// @libFiles: react.d.ts,lib.d.ts
+
+import React = require('react');
+
+const Foo = (props: any) => null;
+
+function Greet(x: {name?: string}) {
+	return null;
+}
+
+const foo = <Foo />;
+const G = <Greet />;