Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/src/vs/code/test/node/argv.test.ts

@@ -0,0 +1,67 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 { formatOptions, Option } from 'vs/platform/environment/node/argv';
+import { addArg } from 'vs/platform/environment/node/argvHelper';
+
+suite('formatOptions', () => {
+
+	function o(description: string): Option<any> {
+		return {
+			description, type: 'string'
+		};
+	}
+
+	test('Text should display small columns correctly', () => {
+		assert.deepEqual(
+			formatOptions({
+				'add': o('bar')
+			}, 80),
+			['  --add bar']
+		);
+		assert.deepEqual(
+			formatOptions({
+				'add': o('bar'),
+				'wait': o('ba'),
+				'trace': o('b')
+			}, 80),
+			[
+				'  --add   bar',
+				'  --wait  ba',
+				'  --trace b'
+			]);
+	});
+
+	test('Text should wrap', () => {
+		assert.deepEqual(
+			formatOptions({
+				'add': o((<any>'bar ').repeat(9))
+			}, 40),
+			[
+				'  --add bar bar bar bar bar bar bar bar',
+				'        bar'
+			]);
+	});
+
+	test('Text should revert to the condensed view when the terminal is too narrow', () => {
+		assert.deepEqual(
+			formatOptions({
+				'add': o((<any>'bar ').repeat(9))
+			}, 30),
+			[
+				'  --add',
+				'      bar bar bar bar bar bar bar bar bar '
+			]);
+	});
+
+	test('addArg', () => {
+		assert.deepEqual(addArg([], 'foo'), ['foo']);
+		assert.deepEqual(addArg([], 'foo', 'bar'), ['foo', 'bar']);
+		assert.deepEqual(addArg(['foo'], 'bar'), ['foo', 'bar']);
+		assert.deepEqual(addArg(['--wait'], 'bar'), ['--wait', 'bar']);
+		assert.deepEqual(addArg(['--wait', '--', '--foo'], 'bar'), ['--wait', 'bar', '--', '--foo']);
+		assert.deepEqual(addArg(['--', '--foo'], 'bar'), ['bar', '--', '--foo']);
+	});
+});