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-rw-r--r--js/src/jit-test/tests/debug/Frame-script-environment-nondebuggee.js32
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-script-environment-nondebuggee.js b/js/src/jit-test/tests/debug/Frame-script-environment-nondebuggee.js
new file mode 100644
index 000000000..7965ea555
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-script-environment-nondebuggee.js
@@ -0,0 +1,32 @@
+// The script and environment of a non-debuggee frame are inaccessible.
+
+load(libdir + 'asserts.js');
+
+var g = newGlobal();
+var dbg = new Debugger;
+
+var log;
+dbg.onDebuggerStatement = function (frame) {
+ log += frame.type;
+ // Initially, 'frame' is a debuggee frame, and we should be able to see its script and environment.
+ assertEq(frame.script instanceof Debugger.Script, true);
+ assertEq(frame.environment instanceof Debugger.Environment, true);
+
+ // If we make g no longer a debuggee, then trying to touch the frame at
+ // all show throw.
+ dbg.removeDebuggee(g);
+ assertThrowsInstanceOf(() => frame.script, Error);
+ assertThrowsInstanceOf(() => frame.environment, Error);
+}
+
+g.eval('function f() { debugger; }');
+
+log = '';
+dbg.addDebuggee(g);
+g.f();
+assertEq(log, 'call');
+
+log = '';
+dbg.addDebuggee(g);
+g.eval('debugger;');
+assertEq(log, 'eval');