1 files changed, 81 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/noExecute-06.js b/js/src/jit-test/tests/debug/noExecute-06.js
new file mode 100644
index 0000000000..43186c9e2d
--- /dev/null
+++ b/js/src/jit-test/tests/debug/noExecute-06.js
@@ -0,0 +1,81 @@
+// Tests that NX disallows debuggee execution for multiple debuggers and
+// multiple debuggees.
+
+load(libdir + "asserts.js");
+load(libdir + "debuggerNXHelper.js");
+
+var g1 = newGlobal({newCompartment: true});
+var g2 = newGlobal({newCompartment: true});
+var dbg1 = new Debugger;
+var dbg2 = new Debugger;
+
+g1w1 = dbg1.addDebuggee(g1);
+
+g1w2 = dbg2.addDebuggee(g1);
+g2w = dbg2.addDebuggee(g2);
+
+g1.eval(`
+        function d(f) { debugger; return f; }
+        function f() { return 42; }
+        var o = {
+          get p() { return 42; },
+          set p(x) { }
+        };
+        `);
+
+g2.eval(`
+        function d(f) { debugger; return f; }
+        function f() { return 42; }
+        var o = {
+          get p() { return 42; },
+          set p(x) { }
+        };
+        `);
+
+var strs = ["f();", "o.p", "o.p = 42"];
+
+var fw1;
+dbg1.onDebuggerStatement = (frame) => {
+  fw1 = frame.arguments[0];
+}
+g1.eval('d(f)');
+dbg1.onDebuggerStatement = undefined;
+var fw2;
+dbg2.onDebuggerStatement = (frame) => {
+  fw2 = frame.arguments[0];
+}
+g2.eval('d(f)');
+dbg2.onDebuggerStatement = undefined;
+
+function testHook(hookName) {
+  var newestG1Frame = dbg1.getNewestFrame();
+  if (hookName != 'onNewGlobalObject' &&
+      hookName != 'onNewScript' &&
+      hookName != 'onNewPromise' &&
+      hookName != 'onPromiseSettled')
+  {
+    var newestG2Frame = dbg2.getNewestFrame();
+  }
+
+  for (var s of strs) {
+    // When this hook is called, g1 has been locked twice, so even invocation
+    // functions do not work.
+    assertEq(g1w1.executeInGlobal(s).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);
+    assertEq(g1w2.executeInGlobal(s).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);
+    if (newestG1Frame) {
+      assertEq(newestG1Frame.eval(s).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);
+    }
+    assertEq(fw1.apply(null).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);
+
+    // But g2 has only been locked once and so should work.
+    assertEq(g2w.executeInGlobal(s).throw, undefined);
+    if (newestG2Frame) {
+      assertEq(newestG2Frame.eval(s).throw, undefined);
+    }
+    assertEq(fw2.apply(null).return, 42);
+  }
+}
+
+testDebuggerHooksNX(dbg1, g1, () => {
+  testDebuggerHooksNX(dbg2, g2, testHook);
+});