Add tests for #587

test/issues/0369.js

@@ -5,7 +5,6 @@ var assert = require('assert');
 var yaml = require('../../');
 
 
-test('should dump astrals as codepoint', function () {
-  assert.deepEqual(yaml.safeDump('😀'), '"\\U0001F600"\n');
+test('should load astrals as codepoint', function () {
   assert.deepEqual(yaml.safeLoad('"\\U0001F600"'), '😀');
 });

test/issues/0587.js

@@ -0,0 +1,20 @@
+'use strict';
+
+
+var assert = require('assert');
+var yaml = require('../../');
+
+
+suite('Should not escape emojis', function () {
+  test('plain', function () {
+    assert.strictEqual(yaml.safeDump('😀'), '😀\n');
+  });
+
+  test('escape \\ and " in double-quoted', function () {
+    assert.strictEqual(yaml.safeDump('\u0007 😀 escape\\ escaper"'), '"\\a 😀 escape\\\\ escaper\\""\n');
+  });
+
+  test('escape non-printables', function () {
+    assert.strictEqual(yaml.safeDump('a😀\nb\u0001c'), '"a😀\\nb\\x01c"\n');
+  });
+});