1 files changed, 17 insertions, 0 deletions
diff --git a/docshell/base/crashtests/500328-1.html b/docshell/base/crashtests/500328-1.html
new file mode 100644
index 0000000000..fd97f84ae1
--- /dev/null
+++ b/docshell/base/crashtests/500328-1.html
@@ -0,0 +1,17 @@
+<!DOCTYPE HTML>
+<html>
+<body onload="test();">
+<script>
+  function test() {
+    // Test that calling pushState() with a state object which calls
+    // history.back() doesn't crash. We need to make sure that there's at least
+    // one entry in the history before we do anything else.
+    history.pushState(null, "");
+
+    x = {};
+    x.toJSON = { history.back(); return "{a:1}"; };
+    history.pushState(x, "");
+  }
+</script>
+</body>
+</html>