JS: Add a negative test

asgerf · asgerf · commit 08b9d934c0a6 · 2025-02-17T11:37:44.000+01:00
diff --git a/javascript/ql/test/library-tests/TripleDot/arrays.js b/javascript/ql/test/library-tests/TripleDot/arrays.js
@@ -42,4 +42,5 @@ function implicitToString() {
     sink(array.toString("utf8")); // $ hasTaintFlow=implicitToString.1 hasTaintFlow=implicitToString.2
 
     sink(Array.prototype.toString.call(array)); // $ hasTaintFlow=implicitToString.1 hasTaintFlow=implicitToString.2
+    sink(Object.prototype.toString.call(array)); // OK - returns "[object Array]"
 }

Original file line number	Diff line number	Diff line change
`@@ -42,4 +42,5 @@ function implicitToString() {`
`42`	`42`	`sink(array.toString("utf8")); // $ hasTaintFlow=implicitToString.1 hasTaintFlow=implicitToString.2`
`43`	`43`
`44`	`44`	`sink(Array.prototype.toString.call(array)); // $ hasTaintFlow=implicitToString.1 hasTaintFlow=implicitToString.2`
	`45`	`+ sink(Object.prototype.toString.call(array)); // OK - returns "[object Array]"`
`45`	`46`	`}`