add some tests

extensions/vscode-api-tests/src/workspace.test.ts

@@ -6,7 +6,7 @@
 'use strict';
 
 import * as assert from 'assert';
-import { workspace, TextDocument, window, Position, Uri, EventEmitter, WorkspaceEdit, Disposable } from 'vscode';
+import { workspace, TextDocument, window, Position, Uri, EventEmitter, WorkspaceEdit, Disposable, EndOfLine } from 'vscode';
 import { createRandomFile, deleteFile, cleanUp, pathEquals } from './utils';
 import { join, basename } from 'path';
 import * as fs from 'fs';
@@ -160,6 +160,41 @@ suite('workspace-namespace', () => {
 		});
 	});
 
+	test('eol, read', () => {
+		const a = createRandomFile('foo\nbar\nbar').then(file => {
+			return workspace.openTextDocument(file).then(doc => {
+				assert.equal(doc.eol, EndOfLine.LF);
+			});
+		});
+		const b = createRandomFile('foo\nbar\nbar\r\nbaz').then(file => {
+			return workspace.openTextDocument(file).then(doc => {
+				assert.equal(doc.eol, EndOfLine.LF);
+			});
+		});
+		const c = createRandomFile('foo\r\nbar\r\nbar').then(file => {
+			return workspace.openTextDocument(file).then(doc => {
+				assert.equal(doc.eol, EndOfLine.CRLF);
+			});
+		});
+		return Promise.all([a, b, c]);
+	});
+
+	test('eol, change via editor', () => {
+		return createRandomFile('foo\nbar\nbar').then(file => {
+			return workspace.openTextDocument(file).then(doc => {
+				assert.equal(doc.eol, EndOfLine.LF);
+				return window.showTextDocument(doc).then(editor => {
+					return editor.edit(builder => builder.setEndOfLine(EndOfLine.CRLF));
+
+				}).then(value => {
+					assert.ok(value);
+					assert.ok(doc.isDirty);
+					assert.equal(doc.eol, EndOfLine.CRLF);
+				});
+			});
+		});
+	});
+
 	test('events: onDidOpenTextDocument, onDidChangeTextDocument, onDidSaveTextDocument', () => {
 		return createRandomFile().then(file => {
 			let disposables: Disposable[] = [];