Add m-esr52 at 52.6.0

1 files changed, 32 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/debug/Environment-setVariable-10.js b/js/src/jit-test/tests/debug/Environment-setVariable-10.js
new file mode 100644
index 000000000..6247d1fdf
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-setVariable-10.js
@@ -0,0 +1,32 @@
+// setVariable works on non-innermost environments.
+
+// (The debuggee code here is a bit convoluted to defeat optimizations that
+// could make obj.b a null closure or obj.i a flat closure--that is, a function
+// that gets a frozen copy of i instead of a reference to the runtime
+// environment that contains it. setVariable does not currently detect this
+// flat closure case.)
+
+var g = newGlobal();
+g.eval("function d() { debugger; }\n" +
+       "var i = 'FAIL';\n" +
+       "function a() {\n" +
+       "    var obj = {b: function (i) { d(obj); return i; },\n" +
+       "               i: function () { return i; }};\n" +
+       "    var i = 'FAIL2';\n" +
+       "    return obj;\n" +
+       "}\n");
+
+var dbg = Debugger(g);
+dbg.onDebuggerStatement = function (frame) {
+    var x = 0;
+    for (var env = frame.older.environment; env; env = env.parent) {
+        if (env.getVariable("i") !== undefined)
+            env.setVariable("i", x++);
+    }
+};
+
+var obj = g.a();
+var r = obj.b('FAIL3');
+assertEq(r, 0);
+assertEq(obj.i(), 1);
+assertEq(g.i, 2);