From 764af0e78106eb21f4f05d2f0eac73954de364c1 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <Daniel.Rosenwasser@microsoft.com>
Date: Thu, 21 Sep 2017 11:05:40 -0700
Subject: [PATCH] Added tests and accepted baselines.

---
 src/harness/unittests/printer.ts              | 23 +++++++++++++++++++
 ...tsNodeCorrectly.emptyGlobalAugmentation.js |  1 +
 ...yGlobalAugmentationWithNoDeclareKeyword.js |  1 +
 3 files changed, 25 insertions(+)
 create mode 100644 tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentation.js
 create mode 100644 tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentationWithNoDeclareKeyword.js

diff --git a/src/harness/unittests/printer.ts b/src/harness/unittests/printer.ts
index 825bfddbb4a..2bbc19881a3 100644
--- a/src/harness/unittests/printer.ts
+++ b/src/harness/unittests/printer.ts
@@ -110,6 +110,29 @@ namespace ts {
                 createSourceFile("source.ts", "", ScriptTarget.ES2015)
             ));
 
+
+            printsCorrectly("emptyGlobalAugmentation", {}, printer => printer.printNode(
+                EmitHint.Unspecified,
+                createModuleDeclaration(
+                    /*decorators*/ undefined,
+                    /*modifiers*/ [createToken(SyntaxKind.DeclareKeyword)],
+                    createIdentifier("global"),
+                    createModuleBlock(emptyArray),
+                    NodeFlags.GlobalAugmentation),
+                createSourceFile("source.ts", "", ScriptTarget.ES2015)
+            ));
+
+            printsCorrectly("emptyGlobalAugmentationWithNoDeclareKeyword", {}, printer => printer.printNode(
+                EmitHint.Unspecified,
+                createModuleDeclaration(
+                    /*decorators*/ undefined,
+                    /*modifiers*/ undefined,
+                    createIdentifier("global"),
+                    createModuleBlock(emptyArray),
+                    NodeFlags.GlobalAugmentation),
+                createSourceFile("source.ts", "", ScriptTarget.ES2015)
+            ));
+
             // https://github.com/Microsoft/TypeScript/issues/15971
             printsCorrectly("classWithOptionalMethodAndProperty", {}, printer => printer.printNode(
                 EmitHint.Unspecified,
diff --git a/tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentation.js b/tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentation.js
new file mode 100644
index 00000000000..2a8c3b88e16
--- /dev/null
+++ b/tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentation.js
@@ -0,0 +1 @@
+declare module global { }
\ No newline at end of file
diff --git a/tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentationWithNoDeclareKeyword.js b/tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentationWithNoDeclareKeyword.js
new file mode 100644
index 00000000000..4cc10f41f8f
--- /dev/null
+++ b/tests/baselines/reference/printerApi/printsNodeCorrectly.emptyGlobalAugmentationWithNoDeclareKeyword.js
@@ -0,0 +1 @@
+module global { }
\ No newline at end of file