Add todo comment tests.

Author: CyrusNajmabadi

src/harness/fourslash.ts

@@ -1410,6 +1410,25 @@ module FourSlash {
             }
         }
 
+        public verifyTodoComments(descriptors: string[], spans: TextSpan[]) {
+            var actual = this.languageService.getTodoComments(this.activeFile.fileName,
+                descriptors.map(d => new ts.TodoCommentDescriptor(d, 0)));
+
+            if (actual.length !== spans.length) {
+                throw new Error('verifyTodoComments failed - expected total spans to be ' + spans.length + ', but was ' + actual.length);
+            }
+
+            for (var i = 0; i < spans.length; i++) {
+                var expectedSpan = spans[i];
+                var actualComment = actual[i];
+                var actualCommentSpan = new TypeScript.TextSpan(actualComment.position, actualComment.message.length);
+
+                if (expectedSpan.start !== actualCommentSpan.start() || expectedSpan.end !== actualCommentSpan.end()) {
+                    throw new Error('verifyOutliningSpans failed - span ' + (i + 1) + ' expected: (' + expectedSpan.start + ',' + expectedSpan.end + '),  actual: (' + actualCommentSpan.start() + ',' + actualCommentSpan.end() + ')');
+                }
+            }
+        }
+
         public verifyMatchingBracePosition(bracePosition: number, expectedMatchPosition: number) {
             this.taoInvalidReason = 'verifyMatchingBracePosition NYI';
 

tests/cases/fourslash/fourslash.ts

@@ -315,6 +315,10 @@ module FourSlashInterface {
             FourSlash.currentTestState.verifyTodoComments(descriptors, test.ranges());
         }
 
+        public todoCommentsInCurrentFile(descriptors: string[]) {
+            FourSlash.currentTestState.verifyTodoComments(descriptors, test.ranges());
+        }
+
         public matchingBracePositionInCurrentFile(bracePosition: number, expectedMatchPosition: number) {
             FourSlash.currentTestState.verifyMatchingBracePosition(bracePosition, expectedMatchPosition);
         }

tests/cases/fourslash/todoComments1.ts

@@ -0,0 +1,3 @@
+//// // [|TODO|]
+debugger;
+verify.todoCommentsInCurrentFile(["TODO"]);

tests/cases/fourslash/todoComments10.ts

@@ -0,0 +1,6 @@
+//// /*
+////    [|todo 1|]
+////    [|hack 2|]
+//// */
+debugger;
+verify.todoCommentsInCurrentFile(["TODO", "HACK"]);

tests/cases/fourslash/todoComments11.ts

@@ -0,0 +1,6 @@
+//// /*
+////    [|TODO(jason) 1|]
+////    [|HACK 2|]
+//// */
+debugger;
+verify.todoCommentsInCurrentFile(["TODO(jason)", "HACK"]);

tests/cases/fourslash/todoComments12.ts

@@ -0,0 +1,6 @@
+//// /*
+////    [|TODO(jason) 1|]
+////    [|HACK 2|]
+//// */
+debugger;
+verify.todoCommentsInCurrentFile(["HACK", "TODO(jason)"]);

tests/cases/fourslash/todoComments13.ts

@@ -0,0 +1,4 @@
+//// TODO 
+
+debugger;
+verify.todoCommentsInCurrentFile(["TODO"]);

tests/cases/fourslash/todoComments14.ts

@@ -0,0 +1,3 @@
+//// BAR // [|TODO|]
+debugger;
+verify.todoCommentsInCurrentFile(["TODO"]);

tests/cases/fourslash/todoComments15.ts

@@ -0,0 +1,3 @@
+//// "// HACK 1";
+debugger;
+verify.todoCommentsInCurrentFile(["TODO(jason)", "HACK"]);

tests/cases/fourslash/todoComments16.ts

@@ -0,0 +1,3 @@
+//// //// [|HACK 1|]
+debugger;
+verify.todoCommentsInCurrentFile(["TODO(jason)", "HACK"]);