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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/debug/Environment-setVariable-10.js')
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diff --git a/js/src/jit-test/tests/debug/Environment-setVariable-10.js b/js/src/jit-test/tests/debug/Environment-setVariable-10.js
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+++ 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);