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-rw-r--r--js/src/jit-test/tests/ion/getPropertyCacheOverflow.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/getPropertyCacheOverflow.js b/js/src/jit-test/tests/ion/getPropertyCacheOverflow.js
new file mode 100644
index 000000000..41a7faded
--- /dev/null
+++ b/js/src/jit-test/tests/ion/getPropertyCacheOverflow.js
@@ -0,0 +1,37 @@
+// This test was made to be effective with --no-jm.
+
+var list = [
+ { entry00: 0, length: 1 },
+ { entry01: 0, length: 1 },
+ { entry02: 0, length: 1 },
+ { entry03: 0, length: 1 },
+ { entry04: 0, length: 1 },
+ { entry05: 0, length: 1 },
+ { entry06: 0, length: 1 },
+ { entry07: 0, length: 1 },
+ { entry08: 0, length: 1 },
+ { entry09: 0, length: 1 },
+ { entry10: 0, length: 1 },
+ { entry11: 0, length: 1 },
+ { entry12: 0, length: 1 },
+ { entry13: 0, length: 1 },
+ { entry14: 0, length: 1 },
+ { entry15: 0, length: 1 },
+ { entry16: 0, length: 1 }, // cause an overflow.
+ { entry17: 0, length: 1 },
+ [0],
+ (new Uint8Array(new ArrayBuffer(1)))
+];
+
+function f(obj) {
+ return obj.length;
+}
+
+// Cook the f function on the top of the list to make sure we do not register
+// our test cases.
+for (var i = 0; i < 100; i++)
+ f(list[i % 10]);
+
+// Register & check stubs.
+for (var i = 0; i < 40; i++)
+ assertEq(f(list[i % 20]), 1);