1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/noExecute-07.js b/js/src/jit-test/tests/debug/noExecute-07.js
new file mode 100644
index 0000000000..a5b4247351
--- /dev/null
+++ b/js/src/jit-test/tests/debug/noExecute-07.js
@@ -0,0 +1,36 @@
+// Tests provenance of Debugger.DebuggeeWouldRun errors.
+
+load(libdir + "asserts.js");
+load(libdir + "debuggerNXHelper.js");
+
+var g1 = newGlobal({newCompartment: true});
+var g2 = newGlobal({newCompartment: true});
+var g3 = newGlobal({newCompartment: true});
+var dbg = new Debugger(g1);
+
+g3.eval(`var dbg = new Debugger`);
+var g1w = g3.dbg.addDebuggee(g1);
+g3.dbg.addDebuggee(g2);
+
+g1.eval(`function f() {}`);
+
+function testHook(hookName) {
+  // The stack is like so:
+  //   g1 -> dbg (locks g1) -> g2 -> g3.dbg (locks g1 and g2)
+  //
+  // The DebuggeeWouldRun error is always allocated in the topmost locked
+  // Debugger's compartment.
+
+  // If we try to run script in g1 without going through one of g3.dbg's
+  // invocation functions, we should get an error allocated in
+  // g3.Debugger.DebuggeeWouldRun.
+  assertThrowsInstanceOf(() => { g1.eval(`f()`); }, g3.Debugger.DebuggeeWouldRun);
+
+  // If we try to run script in g1 via one of g3.dbg's invocation functions,
+  // we should get an error allocated in Debugger.DebuggeeWouldRun.
+  assertEq(g1w.executeInGlobal(`f()`).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);
+}
+
+testDebuggerHooksNX(dbg, g1, () => {
+  testDebuggerHooksNX(g3.dbg, g2, testHook);
+});