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-rw-r--r--js/src/jit-test/tests/debug/Frame-arguments-05.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-arguments-05.js b/js/src/jit-test/tests/debug/Frame-arguments-05.js
new file mode 100644
index 0000000000..bc34809b11
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-arguments-05.js
@@ -0,0 +1,19 @@
+// frame.arguments is "live" (it reflects assignments to arguments).
+
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger(g);
+var log = '';
+var args;
+dbg.onDebuggerStatement = function (frame) {
+ if (args === undefined)
+ args = frame.arguments;
+ else
+ assertEq(frame.arguments, args);
+ log += args[0];
+ assertEq(frame.eval("x = '0';").return, '0');
+ log += args[0];
+};
+
+g.eval("function f(x) { x = '2'; debugger; x = '3'; debugger; }");
+g.f("1");
+assertEq(log, "2030");