Merge commit '6e92d2345e8231a44556ce7d416451f5f3e6c398' as 'engine262'

engine262/test/engine262/debugger.test.mts

@@ -0,0 +1,45 @@
+/* eslint-disable no-await-in-loop */
+/* eslint-disable quotes */
+import { expect, test } from 'vitest';
+import {
+  Agent, evalQ, ManagedRealm, NormalCompletion, NumberValue, R, setSurroundingAgent,
+  surroundingAgent,
+  UndefinedValue,
+  Value,
+  type ValueCompletion,
+} from '#self';
+
+test('debugger statement should return undefined when no debugger is attached', async () => {
+  const agent = new Agent();
+  setSurroundingAgent(agent);
+  const realm = new ManagedRealm();
+  const result = realm.evaluateScript('debugger;') as NormalCompletion<UndefinedValue>;
+  expect(result).toBeInstanceOf(NormalCompletion);
+  expect(result.Value).toBe(Value.undefined);
+});
+
+test('debugger statement should return the value passed to resumeEvaluate', async () => {
+  const agent = new Agent({
+    onDebugger() {
+    },
+  });
+  setSurroundingAgent(agent);
+  const realm = new ManagedRealm();
+  evalQ((_Q, X) => {
+    const script = X(realm.compileScript('debugger;'));
+    let completion!: ValueCompletion;
+    realm.evaluate(script, (c) => {
+      completion = c;
+    });
+    // start the evaluation
+    X(surroundingAgent.resumeEvaluate({}));
+    // paused at the debugger statement, resume with a value
+    X(surroundingAgent.resumeEvaluate({
+      debuggerStatementCompletion: NormalCompletion(Value(42)),
+    }));
+    expect(completion).toBeDefined();
+    const value = X(completion) as NumberValue;
+    expect(value).toBeInstanceOf(NumberValue);
+    expect(R(value)).toBe(42);
+  });
+});