1 files changed, 94 insertions, 0 deletions
diff --git a/devtools/server/tests/browser/browser_actor_error.js b/devtools/server/tests/browser/browser_actor_error.js
new file mode 100644
index 0000000000..0c28d77cca
--- /dev/null
+++ b/devtools/server/tests/browser/browser_actor_error.js
@@ -0,0 +1,94 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Test that clients can catch errors in actors.
+ */
+
+const ACTORS_URL =
+  "chrome://mochitests/content/browser/devtools/server/tests/browser/error-actor.js";
+
+add_task(async function test_old_actor() {
+  DevToolsServer.init();
+  DevToolsServer.registerAllActors();
+
+  ActorRegistry.registerModule(ACTORS_URL, {
+    prefix: "error",
+    constructor: "ErrorActor",
+    type: { global: true },
+  });
+
+  const transport = DevToolsServer.connectPipe();
+  const gClient = new DevToolsClient(transport);
+  await gClient.connect();
+
+  const { errorActor } = await gClient.mainRoot.rootForm;
+  ok(errorActor, "Found the error actor.");
+
+  await Assert.rejects(
+    gClient.request({ to: errorActor, type: "error" }),
+    err =>
+      err.error == "unknownError" &&
+      /error occurred while processing 'error/.test(err.message),
+    "The request should be rejected"
+  );
+
+  await gClient.close();
+});
+
+const TEST_ERRORS_ACTOR_URL =
+  "chrome://mochitests/content/browser/devtools/server/tests/browser/test-errors-actor.js";
+add_task(async function test_protocoljs_actor() {
+  DevToolsServer.init();
+  DevToolsServer.registerAllActors();
+
+  info("Register the new TestErrorsActor");
+  require(TEST_ERRORS_ACTOR_URL);
+  ActorRegistry.registerModule(TEST_ERRORS_ACTOR_URL, {
+    prefix: "testErrors",
+    constructor: "TestErrorsActor",
+    type: { global: true },
+  });
+
+  info("Create a DevTools client/server pair");
+  const transport = DevToolsServer.connectPipe();
+  const gClient = new DevToolsClient(transport);
+  await gClient.connect();
+
+  info("Retrieve a TestErrorsFront instance");
+  const testErrorsFront = await gClient.mainRoot.getFront("testErrors");
+  ok(testErrorsFront, "has a TestErrorsFront instance");
+
+  await Assert.rejects(testErrorsFront.throwsComponentsException(), e => {
+    return new RegExp(
+      `NS_ERROR_NOT_IMPLEMENTED from: ${testErrorsFront.actorID} ` +
+        `\\(${TEST_ERRORS_ACTOR_URL}:\\d+:\\d+\\)`
+    ).test(e.message);
+  });
+  await Assert.rejects(testErrorsFront.throwsException(), e => {
+    // Not asserting the specific error message here, as it changes depending
+    // on the channel.
+    return new RegExp(
+      `Protocol error \\(TypeError\\):.* from: ${testErrorsFront.actorID} ` +
+        `\\(${TEST_ERRORS_ACTOR_URL}:\\d+:\\d+\\)`
+    ).test(e.message);
+  });
+  await Assert.rejects(testErrorsFront.throwsJSError(), e => {
+    return new RegExp(
+      `Protocol error \\(Error\\): JSError from: ${testErrorsFront.actorID} ` +
+        `\\(${TEST_ERRORS_ACTOR_URL}:\\d+:\\d+\\)`
+    ).test(e.message);
+  });
+  await Assert.rejects(testErrorsFront.throwsString(), e => {
+    return new RegExp(`ErrorString from: ${testErrorsFront.actorID}`).test(
+      e.message
+    );
+  });
+  await Assert.rejects(testErrorsFront.throwsObject(), e => {
+    return new RegExp(`foo from: ${testErrorsFront.actorID}`).test(e.message);
+  });
+
+  await gClient.close();
+});