Adding a couple of class tests.

tests/baselines/reference/classExpressionTest1.errors.txt

@@ -0,0 +1,18 @@
+tests/cases/compiler/classExpressionTest1.ts(2,11): error TS9004: 'class' declarations are only supported directly inside a module or as a top level declaration.
+
+
+==== tests/cases/compiler/classExpressionTest1.ts (1 errors) ====
+    function M() {
+        class C<X> {
+              ~
+!!! error TS9004: 'class' declarations are only supported directly inside a module or as a top level declaration.
+            f<T>() {
+                var t: T;
+                var x: X;
+                return { t, x };
+            }
+        }
+    
+        var v = new C<number>();
+        return v.f<string>();
+    }

tests/baselines/reference/classExpressionTest1.js

@@ -0,0 +1,29 @@
+//// [classExpressionTest1.ts]
+function M() {
+    class C<X> {
+        f<T>() {
+            var t: T;
+            var x: X;
+            return { t, x };
+        }
+    }
+
+    var v = new C<number>();
+    return v.f<string>();
+}
+
+//// [classExpressionTest1.js]
+function M() {
+    var C = (function () {
+        function C() {
+        }
+        C.prototype.f = function () {
+            var t;
+            var x;
+            return { t: t, x: x };
+        };
+        return C;
+    })();
+    var v = new C();
+    return v.f();
+}

tests/baselines/reference/classExpressionTest2.errors.txt

@@ -0,0 +1,21 @@
+tests/cases/compiler/classExpressionTest2.ts(2,19): error TS9003: 'class' expressions are not currently supported.
+tests/cases/compiler/classExpressionTest2.ts(5,20): error TS2304: Cannot find name 'X'.
+
+
+==== tests/cases/compiler/classExpressionTest2.ts (2 errors) ====
+    function M() {
+        var m = class C<X> {
+                      ~
+!!! error TS9003: 'class' expressions are not currently supported.
+            f<T>() {
+                var t: T;
+                var x: X;
+                       ~
+!!! error TS2304: Cannot find name 'X'.
+                return { t, x };
+            }
+        }
+    
+        var v = new m<number>();
+        return v.f<string>();
+    }

tests/baselines/reference/classExpressionTest2.js

@@ -0,0 +1,29 @@
+//// [classExpressionTest2.ts]
+function M() {
+    var m = class C<X> {
+        f<T>() {
+            var t: T;
+            var x: X;
+            return { t, x };
+        }
+    }
+
+    var v = new m<number>();
+    return v.f<string>();
+}
+
+//// [classExpressionTest2.js]
+function M() {
+    var m = (function () {
+        function C() {
+        }
+        C.prototype.f = function () {
+            var t;
+            var x;
+            return { t: t, x: x };
+        };
+        return C;
+    })();
+    var v = new m();
+    return v.f();
+}

tests/cases/compiler/classExpressionTest1.ts

@@ -0,0 +1,12 @@
+function M() {
+    class C<X> {
+        f<T>() {
+            var t: T;
+            var x: X;
+            return { t, x };
+        }
+    }
+
+    var v = new C<number>();
+    return v.f<string>();
+}

tests/cases/compiler/classExpressionTest2.ts

@@ -0,0 +1,12 @@
+function M() {
+    var m = class C<X> {
+        f<T>() {
+            var t: T;
+            var x: X;
+            return { t, x };
+        }
+    }
+
+    var v = new m<number>();
+    return v.f<string>();
+}