Merge pull request #2711 from SaschaNaz/formatChainedCallbacks

Formatting test for callback function chaining

tests/cases/fourslash/formattingOnChainedCallbacks.ts

@@ -0,0 +1,40 @@
+/// <reference path='fourslash.ts' />
+
+////Promise
+////    .resolve()
+////    .then(() => {/*1*/""/*2*/
+////}).then(() => {/*3*//*4*/
+////})/*semi1*/ /*semi2*/
+
+////function foo() {
+////    return Promise.resolve()
+////        .then(function () {
+////        ""/*a*/
+////    })/*b*/
+////}
+
+goTo.marker('1');
+edit.insertLine('');
+goTo.marker('2');
+// Expected, with bug 1888: verify.currentLineContentIs('        ""');
+verify.currentLineContentIs('    ""'); 
+goTo.marker('4');
+edit.insertLine('');
+goTo.marker('3');
+verify.currentLineContentIs('    }).then(() => {');
+
+goTo.marker("semi1");
+edit.insert(';');
+// Expected, with bug 1888: verify.currentLineContentIs('    });');
+verify.currentLineContentIs('}); ');
+goTo.marker("semi2");
+edit.insert(';');
+verify.currentLineContentIs('    });;');
+
+goTo.marker('a');
+edit.insert(';');
+verify.currentLineContentIs('            "";');
+goTo.marker('b');
+edit.insert(';');
+// Expected, with bug 1888: verify.currentLineContentIs('        });');
+verify.currentLineContentIs('    });');