1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Debugger-onNativeCall-01.js b/js/src/jit-test/tests/debug/Debugger-onNativeCall-01.js
new file mode 100644
index 0000000000..4ee9c6f387
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Debugger-onNativeCall-01.js
@@ -0,0 +1,64 @@
+// Test that the onNativeCall hook is called when expected.
+
+load(libdir + 'eqArrayHelper.js');
+
+var g = newGlobal({newCompartment: true});
+var dbg = Debugger(g);
+var gdbg = dbg.addDebuggee(g);
+
+g.eval(`
+const x = [];
+Object.defineProperty(x, "a", {
+  get: print,
+  set: print,
+});
+function f() {
+  x.a++;
+  x.push(4);
+}
+`);
+
+for (let i = 0; i < 5; i++) {
+  g.f();
+}
+
+const rv = [];
+dbg.onNativeCall = (callee, reason) => { rv.push(callee.name, reason); };
+
+var dbg2 = Debugger(g);
+var gdbg2 = dbg2.addDebuggee(g);
+
+const fscript = gdbg.getOwnPropertyDescriptor('f').value.script;
+
+for (let i = 0; i < 5; i++) {
+  // The onNativeCall hook is called when doing global evaluations.
+  rv.length = 0;
+  gdbg.executeInGlobal(`f()`);
+  assertEqArray(rv, ["print", "get", "print", "set", "push", "call"]);
+
+  // The onNativeCall hook is called when doing frame evaluations.
+  let handlerCalled = false;
+  const handler = {
+    hit(frame) {
+      fscript.clearBreakpoint(handler);
+      rv.length = 0;
+      frame.eval(`f()`);
+      assertEqArray(rv, ["print", "get", "print", "set", "push", "call"]);
+      handlerCalled = true;
+    },
+  };
+  fscript.setBreakpoint(fscript.mainOffset, handler);
+  g.f();
+  assertEq(handlerCalled, true);
+
+  // The onNativeCall hook is *not* called when not in a debugger evaluation.
+  rv.length = 0;
+  g.f();
+  assertEqArray(rv, []);
+
+  // The onNativeCall hook is *not* called when in a debugger evaluation
+  // associated with a different debugger.
+  rv.length = 0;
+  gdbg2.executeInGlobal(`f()`);
+  assertEqArray(rv, []);
+}