diff --git a/tests/cases/fourslash/quickInfoDisplayPartsFunction.ts b/tests/cases/fourslash/quickInfoDisplayPartsFunction.ts
new file mode 100644
index 00000000000..a3c94a511b9
--- /dev/null
+++ b/tests/cases/fourslash/quickInfoDisplayPartsFunction.ts
@@ -0,0 +1,76 @@
+/// <reference path='fourslash.ts'/>
+
+////function /*1*/foo(param: string, optionalParam?: string, paramWithInitializer = "hello", ...restParam: string[]) {
+////}
+////function /*2*/foowithoverload(a: string): string;
+////function /*3*/foowithoverload(a: number): number;
+////function /*4*/foowithoverload(a: any): any {
+////    return a;
+////}
+////function /*5*/foowith3overload(a: string): string;
+////function /*6*/foowith3overload(a: number): number;
+////function /*7*/foowith3overload(a: boolean): boolean;
+////function /*8*/foowith3overload(a: any): any {
+////    return a;
+////}
+/////*9*/foo("hello");
+/////*10*/foowithoverload("hello");
+/////*11*/foowithoverload(10);
+/////*12*/foowith3overload("hello");
+/////*13*/foowith3overload(10);
+/////*14*/foowith3overload(true);
+
+var marker = 0;
+function verifyFunctionWithoutOverload() {
+    marker++;
+    goTo.marker(marker.toString());
+    verify.verifyQuickInfoDisplayParts("function", "", { start: test.markerByName(marker.toString()).position, length: "foo".length },
+        [{ text: "(", kind: "punctuation" }, { text: "function", kind: "text" }, { text: ")", kind: "punctuation" },
+            { text: " ", kind: "space" }, { text: "foo", kind: "functionName" }, { text: "(", kind: "punctuation" },
+            { text: "param", kind: "parameterName" }, { text: ":", kind: "punctuation" }, { text: " ", kind: "space" }, { text: "string", kind: "keyword" },
+            { text: ",", kind: "punctuation" }, { text: " ", kind: "space" },
+            { text: "optionalParam", kind: "parameterName" }, { text: "?", kind: "punctuation" }, { text: ":", kind: "punctuation" }, { text: " ", kind: "space" }, { text: "string", kind: "keyword" },
+            { text: ",", kind: "punctuation" }, { text: " ", kind: "space" },
+            { text: "paramWithInitializer", kind: "parameterName" }, { text: "?", kind: "punctuation" }, { text: ":", kind: "punctuation" }, { text: " ", kind: "space" }, { text: "string", kind: "keyword" },
+            { text: ",", kind: "punctuation" }, { text: " ", kind: "space" },
+            { text: "...", kind: "punctuation" }, { text: "restParam", kind: "parameterName" }, { text: ":", kind: "punctuation" },
+            { text: " ", kind: "space" }, { text: "string", kind: "keyword" }, { text: "[", kind: "punctuation" }, { text: "]", kind: "punctuation" },
+            { text: ")", kind: "punctuation" }, { text: ":", kind: "punctuation" }, { text: " ", kind: "space" }, { text: "void", kind: "keyword" }],
+        []);
+}
+
+function verifyFunctionWithOverload(functionName: string, type: string, overloadCount: number) {
+    marker++;
+    goTo.marker(marker.toString());
+    verify.verifyQuickInfoDisplayParts("function", "", { start: test.markerByName(marker.toString()).position, length: functionName.length },
+        [{ text: "(", kind: "punctuation" }, { text: "function", kind: "text" }, { text: ")", kind: "punctuation" },
+            { text: " ", kind: "space" }, { text: functionName, kind: "functionName" }, { text: "(", kind: "punctuation" },
+            { text: "a", kind: "parameterName" }, { text: ":", kind: "punctuation" }, { text: " ", kind: "space" }, { text: type, kind: "keyword" },
+            { text: ")", kind: "punctuation" }, { text: ":", kind: "punctuation" }, { text: " ", kind: "space" }, { text: type, kind: "keyword" },
+            { text: " ", kind: "space" }, { text: "(", kind: "punctuation" }, { text: "+", kind: "operator" }, { text: overloadCount.toString(), kind: "numericLiteral" },
+            { text: " ", kind: "space" }, { text: overloadCount === 1 ? "overload" : "overloads", kind: "text" }, { text: ")", kind: "punctuation" }],
+        []);
+}
+
+
+// Declarations
+verifyFunctionWithoutOverload();
+
+verifyFunctionWithOverload("foowithoverload", "string", 1);
+verifyFunctionWithOverload("foowithoverload", "number", 1);
+verifyFunctionWithOverload("foowithoverload", "string", 1);
+
+verifyFunctionWithOverload("foowith3overload", "string", 2);
+verifyFunctionWithOverload("foowith3overload", "number", 2);
+verifyFunctionWithOverload("foowith3overload", "boolean", 2);
+verifyFunctionWithOverload("foowith3overload", "string", 2);
+
+// Calls
+verifyFunctionWithoutOverload();
+
+verifyFunctionWithOverload("foowithoverload", "string", 1);
+verifyFunctionWithOverload("foowithoverload", "number", 1);
+
+verifyFunctionWithOverload("foowith3overload", "string", 2);
+verifyFunctionWithOverload("foowith3overload", "number", 2);
+verifyFunctionWithOverload("foowith3overload", "boolean", 2);
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