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-rw-r--r--js/src/jit-test/tests/debug/Environment-parent-01.js18
1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-parent-01.js b/js/src/jit-test/tests/debug/Environment-parent-01.js
new file mode 100644
index 000000000..07e61faed
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-parent-01.js
@@ -0,0 +1,18 @@
+// The objects on the environment chain are all Debugger.Environment objects.
+// The environment chain ends in null.
+
+var g = newGlobal()
+g.eval("function f(a) { return function (b) { return function (c) { h(); return a + b + c; }; }; }");
+var dbg = Debugger(g);
+var hits = 0;
+g.h = function () {
+ var n = 0;
+ for (var env = dbg.getNewestFrame().environment; env !== null; env = env.parent) {
+ n++;
+ assertEq(env instanceof Debugger.Environment, true);
+ }
+ assertEq(n >= 4, true);
+ hits++;
+};
+assertEq(g.f(5)(7)(9), 21);
+assertEq(hits, 1);