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-rw-r--r--js/src/jit-test/tests/collections/Set-scale.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Set-scale.js b/js/src/jit-test/tests/collections/Set-scale.js
new file mode 100644
index 0000000000..5c5af2a5a8
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Set-scale.js
@@ -0,0 +1,8 @@
+// Sets can hold at least 64K values.
+
+var N = 1 << 16;
+var s = new Set;
+for (var i = 0; i < N; i++)
+ assertEq(s.add(i), s);
+for (var i = 0; i < N; i++)
+ assertEq(s.has(i), true);