Test cases to verify that declaration file is not emitted if any of the declaration file in program has error

tests/baselines/reference/declFileWithErrorsInInputDeclarationFile.errors.txt

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+tests/cases/compiler/declFile.d.ts(3,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+tests/cases/compiler/declFile.d.ts(4,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+tests/cases/compiler/declFile.d.ts(6,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+tests/cases/compiler/declFile.d.ts(8,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+
+
+==== tests/cases/compiler/client.ts (0 errors) ====
+    ///<reference path="declFile.d.ts"/>
+    var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file
+    
+==== tests/cases/compiler/declFile.d.ts (4 errors) ====
+    
+    declare module M {
+        declare var x;
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+        declare function f();
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+    
+        declare module N { }
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+    
+        declare class C { }
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+    }
+    

tests/baselines/reference/declFileWithErrorsInInputDeclarationFile.js

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+//// [tests/cases/compiler/declFileWithErrorsInInputDeclarationFile.ts] ////
+
+//// [declFile.d.ts]
+
+declare module M {
+    declare var x;
+    declare function f();
+
+    declare module N { }
+
+    declare class C { }
+}
+
+//// [client.ts]
+///<reference path="declFile.d.ts"/>
+var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file
+
+
+//// [client.js]
+///<reference path="declFile.d.ts"/>
+var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file

tests/baselines/reference/declFileWithErrorsInInputDeclarationFileWithOut.errors.txt

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+tests/cases/compiler/declFile.d.ts(3,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+tests/cases/compiler/declFile.d.ts(4,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+tests/cases/compiler/declFile.d.ts(6,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+tests/cases/compiler/declFile.d.ts(8,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+
+
+==== tests/cases/compiler/client.ts (0 errors) ====
+    ///<reference path="declFile.d.ts"/>
+    var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file
+    
+==== tests/cases/compiler/declFile.d.ts (4 errors) ====
+    
+    declare module M {
+        declare var x;
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+        declare function f();
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+    
+        declare module N { }
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+    
+        declare class C { }
+        ~~~~~~~
+!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
+    }
+    

tests/baselines/reference/declFileWithErrorsInInputDeclarationFileWithOut.js

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+//// [tests/cases/compiler/declFileWithErrorsInInputDeclarationFileWithOut.ts] ////
+
+//// [declFile.d.ts]
+
+declare module M {
+    declare var x;
+    declare function f();
+
+    declare module N { }
+
+    declare class C { }
+}
+
+//// [client.ts]
+///<reference path="declFile.d.ts"/>
+var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file
+
+
+//// [out.js]
+///<reference path="declFile.d.ts"/>
+var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file

tests/cases/compiler/declFileWithErrorsInInputDeclarationFile.ts

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+// @declaration: true
+
+// @Filename: declFile.d.ts
+declare module M {
+    declare var x;
+    declare function f();
+
+    declare module N { }
+
+    declare class C { }
+}
+
+// @Filename: client.ts
+///<reference path="declFile.d.ts"/>
+var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file

tests/cases/compiler/declFileWithErrorsInInputDeclarationFileWithOut.ts

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+// @declaration: true
+// @out: out.js
+
+// @Filename: declFile.d.ts
+declare module M {
+    declare var x;
+    declare function f();
+
+    declare module N { }
+
+    declare class C { }
+}
+
+// @Filename: client.ts
+///<reference path="declFile.d.ts"/>
+var x = new M.C(); // Declaration file wont get emitted because there are errors in declaration file