1 files changed, 16 insertions, 0 deletions
diff --git a/WebCore/manual-tests/memory/string-growth.html b/WebCore/manual-tests/memory/string-growth.html
new file mode 100644
index 0000000..2f921d0
--- /dev/null
+++ b/WebCore/manual-tests/memory/string-growth.html
@@ -0,0 +1,16 @@
+<script>
+var x = "x";
+
+for (var i = 1; i < 23; ++i) {
+    x = x + x;
+}
+
+// x should now be a 2^23 character string, which is 16M in size.
+
+var y;
+
+// now append to it repeatedly in a way that prevents buffer sharing
+for (var i = 0; i < 1000; ++i) {
+    y = x + i;
+}    
+</script>