Merge pull request #2144 from deepak1556/clipboard_multiwrite_patch

clipboard: api to write multiple formats to same writer

spec/api-clipboard-spec.coffee

@@ -32,3 +32,21 @@ describe 'clipboard module', ->
           '<string>Hi</string>'
       clipboard.writeHtml text
       assert.equal clipboard.readHtml(), markup
+
+  describe 'clipboard.write()', ->
+    it 'returns data correctly', ->
+      text = 'test'
+      p = path.join fixtures, 'assets', 'logo.png'
+      i = nativeImage.createFromPath p
+      markup =
+        if process.platform is 'darwin'
+          '<meta charset=\'utf-8\'><b>Hi</b>'
+        else if process.platform is 'linux'
+          '<meta http-equiv="content-type" ' +
+          'content="text/html; charset=utf-8"><b>Hi</b>'
+        else
+          '<b>Hi</b>'
+      clipboard.write {text: "test", html: '<b>Hi</b>', image: p}
+      assert.equal clipboard.readText(), text
+      assert.equal clipboard.readHtml(), markup
+      assert.equal clipboard.readImage().toDataUrl(), i.toDataUrl()