From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../jit-test/tests/debug/Frame-onStep-iterators.js   | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 js/src/jit-test/tests/debug/Frame-onStep-iterators.js

(limited to 'js/src/jit-test/tests/debug/Frame-onStep-iterators.js')

diff --git a/js/src/jit-test/tests/debug/Frame-onStep-iterators.js b/js/src/jit-test/tests/debug/Frame-onStep-iterators.js
new file mode 100644
index 000000000..1b9fa6585
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-onStep-iterators.js
@@ -0,0 +1,20 @@
+var g = newGlobal();
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+var log;
+var a = [];
+
+dbg.onDebuggerStatement = function (frame) {
+  log += 'd';
+  frame.onStep = function () {
+    // This handler must not wipe out the debuggee's value in JSContext::iterValue.
+    log += 's';
+    // This will use JSContext::iterValue in the debugger.
+    for (let i of a)
+      log += 'i';
+  };
+};
+
+log = '';
+g.eval("debugger; for (let i of [1,2,3]) print(i);");
+assertEq(!!log.match(/^ds*$/), true);
-- 
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