Add getEmitOutput test files

tests/cases/fourslash/getEmitOutputDeclarationMultiFiles.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: inputFile1.ts
+//// var x: number = 5;
+//// class Bar {
+////    x : string;
+////    y : number
+//// }
+
+// @Filename: inputFile2.ts
+//// var x1: string = "hello world";
+//// class Foo{
+////    x : string;
+////    y : number;
+//// }
+
+var inputFile1 = "tests/cases/fourslash/inputFile1";
+var inputFile2 = "tests/cases/fourslash/inputFile2";
+edit.enableDeclaration();
+var outputFilenames = inputFile1 + ".js" + " " + inputFile2 + ".js" + " " + inputFile1 + ".d.ts" + " " + inputFile2 + ".d.ts";
+verify.emitOutput(EmitOutputResult.Succeeded, outputFilenames);

tests/cases/fourslash/getEmitOutputDeclarationSingleFile.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: inputFile1.ts
+//// var x: number = 5;
+//// class Bar {
+////    x : string;
+////    y : number
+//// }
+
+// @Filename: inputFile2.ts
+//// var x1: string = "hello world";
+//// class Foo{
+////    x : string;
+////    y : number;
+//// }
+
+var singleFilename = "tests/cases/fourslash/declSingleFile";
+var jsFilename = singleFilename + ".js";
+var declFilename = singleFilename + ".d.ts";
+edit.enableSingleOutputFile(jsFilename);
+edit.enableDeclaration();
+var outputFilenames = jsFilename + " " + declFilename;
+verify.emitOutput(EmitOutputResult.Succeeded, outputFilenames);

tests/cases/fourslash/getEmitOutputNoErrors.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: noErrorsResult.ts
+//// var x;
+//// class M {
+////   x: number;
+////   y: string;
+//// }
+
+verify.emitOutput(EmitOutputResult.Succeeded, "tests/cases/fourslash/noErrorsResult.js");

tests/cases/fourslash/getEmitOutputSingleFile.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: inputFile1.ts
+//// var x: any;
+//// class Bar {
+////    x : string;
+////    y : number
+//// }
+
+// @Filename: inputFile2.ts
+//// var x: any;
+//// class Foo{
+////    x : string;
+////    y : number
+//// }
+
+var outputFilename = "tests/cases/fourslash/singleFile.js";
+edit.enableSingleOutputFile(outputFilename);
+verify.emitOutput(EmitOutputResult.Succeeded, outputFilename);

tests/cases/fourslash/getEmitOutputWithSemanticErrors.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: semanticErrorsResult.ts
+//// var x:number = "hello world";
+
+// Only generate javscript file. The semantic error should not affect it
+verify.emitOutput(EmitOutputResult.Succeeded,"tests/cases/fourslash/semanticErrorsResult.js"); 

tests/cases/fourslash/getEmitOutputWithSemanticErrors2.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: semanticErrorsResult2.ts
+//// var x:number = "hello world";
+
+edit.enableDeclaration();
+// Fail to generate .d.ts file due to semantic error but succeeded in generate javascript file
+verify.emitOutput(EmitOutputResult.FailedToGenerateDeclarationsBecauseOfSemanticErrors,"tests/cases/fourslash/semanticErrorsResult2.js"); 

tests/cases/fourslash/getEmitOutputWithSyntaxErrors.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: getEmitOutputWithSyntaxErrorsResult.ts
+//// var x:
+
+verify.emitOutput(EmitOutputResult.FailedBecauseOfSyntaxErrors);

tests/cases/fourslash/getEmitOutputWithSyntaxErrors2.ts

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+/// <reference path="fourslash.ts" />
+
+// @Filename: syntaxErrorsResult2.ts
+//// var x;
+//// class M {
+////    x : string;
+////    y : numer
+
+edit.enableDeclaration();
+verify.emitOutput(EmitOutputResult.FailedBecauseOfSyntaxErrors);