diff --git a/extensions/emmet/src/test/incrementDecrement.test.ts b/extensions/emmet/src/test/incrementDecrement.test.ts
index 9aace12eb3d670820754ec4d858effba727d4360..e56a8126819f4420bfd93f4c2c6f7d4fdfa91137 100644
--- a/extensions/emmet/src/test/incrementDecrement.test.ts
+++ b/extensions/emmet/src/test/incrementDecrement.test.ts
@@ -17,62 +17,62 @@ suite('Tests for Increment/Decrement Emmet Commands', () => {
 	`;
 
 	test('incrementNumberByOne', function (): any {
-		return withRandomFileEditor(contents, (editor, doc) => {
-				editor.selections = [new Selection(1, 7, 1, 10), new Selection(2, 7, 2, 10)];
-				return commands.executeCommand('emmet.incrementNumberByOne').then(() => {
-					assert.equal(doc.getText(), contents.replace('123', '124').replace('999', '1000'));
-					return Promise.resolve();
-				});
+		return withRandomFileEditor(contents, 'txt', (editor, doc) => {
+			editor.selections = [new Selection(1, 7, 1, 10), new Selection(2, 7, 2, 10)];
+			return commands.executeCommand('emmet.incrementNumberByOne').then(() => {
+				assert.equal(doc.getText(), contents.replace('123', '124').replace('999', '1000'));
+				return Promise.resolve();
 			});
+		});
 	});
 
 	test('incrementNumberByTen', function (): any {
-		return withRandomFileEditor(contents, (editor, doc) => {
-				editor.selections = [new Selection(1, 7, 1, 10), new Selection(2, 7, 2, 10)];
-				return commands.executeCommand('emmet.incrementNumberByTen').then(() => {
-					assert.equal(doc.getText(), contents.replace('123', '133').replace('999', '1009'));
-					return Promise.resolve();
-				});
+		return withRandomFileEditor(contents, 'txt', (editor, doc) => {
+			editor.selections = [new Selection(1, 7, 1, 10), new Selection(2, 7, 2, 10)];
+			return commands.executeCommand('emmet.incrementNumberByTen').then(() => {
+				assert.equal(doc.getText(), contents.replace('123', '133').replace('999', '1009'));
+				return Promise.resolve();
 			});
+		});
 	});
 
 	test('incrementNumberByOneTenth', function (): any {
-		return withRandomFileEditor(contents, (editor, doc) => {
-				editor.selections = [new Selection(1, 7, 1, 13), new Selection(2, 7, 2, 12)];
-				return commands.executeCommand('emmet.incrementNumberByOneTenth').then(() => {
-					assert.equal(doc.getText(), contents.replace('123.43', '123.53').replace('999.9', '1000'));
-					return Promise.resolve();
-				});
+		return withRandomFileEditor(contents, 'txt', (editor, doc) => {
+			editor.selections = [new Selection(1, 7, 1, 13), new Selection(2, 7, 2, 12)];
+			return commands.executeCommand('emmet.incrementNumberByOneTenth').then(() => {
+				assert.equal(doc.getText(), contents.replace('123.43', '123.53').replace('999.9', '1000'));
+				return Promise.resolve();
 			});
+		});
 	});
 
 	test('decrementNumberByOne', function (): any {
-		return withRandomFileEditor(contents, (editor, doc) => {
-				editor.selections = [new Selection(1, 7, 1, 10), new Selection(3, 7, 3, 10)];
-				return commands.executeCommand('emmet.decrementNumberByOne').then(() => {
-					assert.equal(doc.getText(), contents.replace('123', '122').replace('100', '99'));
-					return Promise.resolve();
-				});
+		return withRandomFileEditor(contents, 'txt', (editor, doc) => {
+			editor.selections = [new Selection(1, 7, 1, 10), new Selection(3, 7, 3, 10)];
+			return commands.executeCommand('emmet.decrementNumberByOne').then(() => {
+				assert.equal(doc.getText(), contents.replace('123', '122').replace('100', '99'));
+				return Promise.resolve();
 			});
+		});
 	});
 
 	test('decrementNumberByTen', function (): any {
-		return withRandomFileEditor(contents, (editor, doc) => {
-				editor.selections = [new Selection(1, 7, 1, 10), new Selection(3, 7, 3, 10)];
-				return commands.executeCommand('emmet.decrementNumberByTen').then(() => {
-					assert.equal(doc.getText(), contents.replace('123', '113').replace('100', '90'));
-					return Promise.resolve();
-				});
+		return withRandomFileEditor(contents, 'txt', (editor, doc) => {
+			editor.selections = [new Selection(1, 7, 1, 10), new Selection(3, 7, 3, 10)];
+			return commands.executeCommand('emmet.decrementNumberByTen').then(() => {
+				assert.equal(doc.getText(), contents.replace('123', '113').replace('100', '90'));
+				return Promise.resolve();
 			});
+		});
 	});
 
 	test('decrementNumberByOneTenth', function (): any {
-		return withRandomFileEditor(contents, (editor, doc) => {
-				editor.selections = [new Selection(1, 7, 1, 13), new Selection(3, 7, 3, 10)];
-				return commands.executeCommand('emmet.decrementNumberByOneTenth').then(() => {
-					assert.equal(doc.getText(), contents.replace('123.43', '123.33').replace('100', '99.9'));
-					return Promise.resolve();
-				});
+		return withRandomFileEditor(contents, 'txt', (editor, doc) => {
+			editor.selections = [new Selection(1, 7, 1, 13), new Selection(3, 7, 3, 10)];
+			return commands.executeCommand('emmet.decrementNumberByOneTenth').then(() => {
+				assert.equal(doc.getText(), contents.replace('123.43', '123.33').replace('100', '99.9'));
+				return Promise.resolve();
 			});
+		});
 	});
 });
\ No newline at end of file
diff --git a/extensions/emmet/src/test/reflectCssValue.test.ts b/extensions/emmet/src/test/reflectCssValue.test.ts
new file mode 100644
index 0000000000000000000000000000000000000000..fdc7f8b422a6c56d605661b663a094b9484036fa
--- /dev/null
+++ b/extensions/emmet/src/test/reflectCssValue.test.ts
@@ -0,0 +1,37 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as assert from 'assert';
+import { Selection, commands } from 'vscode';
+import { withRandomFileEditor, closeAllEditors } from './testUtils';
+
+suite('Tests for Emmet: Reflect CSS Value command', () => {
+	teardown(closeAllEditors);
+
+	const contents = `
+	.header {
+		margin: 10px;
+		padding: 10px;
+		transform: rotate(50deg);
+		-moz-transform: rotate(20deg);
+		-o-transform: rotate(50deg);
+		-webkit-transform: rotate(50deg);
+		-ms-transform: rotate(50deg);
+	}
+	`;
+
+	test('reflectCssValue', function (): any {
+
+		return withRandomFileEditor(contents, '.css', (editor, doc) => {
+			editor.selections = [new Selection(5, 10, 5, 10)];
+			return commands.executeCommand('emmet.reflectCssValue').then(() => {
+				assert.equal(doc.getText(), contents.replace(/\(50deg\)/g, '(20deg)'));
+				return Promise.resolve();
+			});
+		});
+	});
+
+
+});
\ No newline at end of file
diff --git a/extensions/emmet/src/test/testUtils.ts b/extensions/emmet/src/test/testUtils.ts
index 3548946b57012947ec4bfe3dc9eef8b3e789676a..c90691c091671b95229f6ab0acd32efc02ad15f2 100644
--- a/extensions/emmet/src/test/testUtils.ts
+++ b/extensions/emmet/src/test/testUtils.ts
@@ -14,9 +14,9 @@ function rndName() {
 	return Math.random().toString(36).replace(/[^a-z]+/g, '').substr(0, 10);
 }
 
-export function createRandomFile(contents = ''): Thenable<vscode.Uri> {
+export function createRandomFile(contents = '', fileExtension = 'txt'): Thenable<vscode.Uri> {
 	return new Promise((resolve, reject) => {
-		const tmpFile = join(os.tmpdir(), rndName());
+		const tmpFile = join(os.tmpdir(), rndName() + '.' + fileExtension);
 		fs.writeFile(tmpFile, contents, (error) => {
 			if (error) {
 				return reject(error);
@@ -53,8 +53,8 @@ export function closeAllEditors(): Thenable<any> {
 
 }
 
-export function withRandomFileEditor(initialContents: string, run: (editor: vscode.TextEditor, doc: vscode.TextDocument) => Thenable<void>): Thenable<boolean> {
-	return createRandomFile(initialContents).then(file => {
+export function withRandomFileEditor(initialContents: string, fileExtension: string = 'txt', run: (editor: vscode.TextEditor, doc: vscode.TextDocument) => Thenable<void>): Thenable<boolean> {
+	return createRandomFile(initialContents, fileExtension).then(file => {
 		return vscode.workspace.openTextDocument(file).then(doc => {
 			return vscode.window.showTextDocument(doc).then((editor) => {
 				return run(editor, doc).then(_ => {