1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/pretenure-object-long-lived.js b/js/src/jit-test/tests/gc/pretenure-object-long-lived.js
new file mode 100644
index 0000000000..4b741e3ebe
--- /dev/null
+++ b/js/src/jit-test/tests/gc/pretenure-object-long-lived.js
@@ -0,0 +1,17 @@
+// Allocate many long-lived objects and check that we pretenure them.
+
+load(libdir + "pretenure.js");
+
+setupPretenureTest();
+
+allocateObjects(nurseryCount, true);  // Warm up.
+
+let { minor, major } = runTestAndCountCollections(
+  () => allocateObjects(tenuredCount, true)
+);
+
+// Check that after the warm up period we 'only' do major GCs (we allow one
+// nursery collection).
+print(`${minor} minor GCs, ${major} major GCs`);
+assertEq(minor <= 1, true);
+assertEq(major >= 5, true);