1 files changed, 83 insertions, 0 deletions
diff --git a/remote/cdp/test/browser/runtime/browser_remoteObjects.js b/remote/cdp/test/browser/runtime/browser_remoteObjects.js
new file mode 100644
index 0000000000..07453ffa59
--- /dev/null
+++ b/remote/cdp/test/browser/runtime/browser_remoteObjects.js
@@ -0,0 +1,83 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the Runtime remote object
+
+add_task(async function({ client }) {
+  const firstContext = await testRuntimeEnable(client);
+  const contextId = firstContext.id;
+
+  await testObjectRelease(client, contextId);
+});
+
+async function testRuntimeEnable({ Runtime }) {
+  // Enable watching for new execution context
+  await Runtime.enable();
+  info("Runtime domain has been enabled");
+
+  // Calling Runtime.enable will emit executionContextCreated for the existing contexts
+  const { context } = await Runtime.executionContextCreated();
+  ok(!!context.id, "The execution context has an id");
+  ok(context.auxData.isDefault, "The execution context is the default one");
+  ok(!!context.auxData.frameId, "The execution context has a frame id set");
+
+  return context;
+}
+
+async function testObjectRelease({ Runtime }, contextId) {
+  const { result } = await Runtime.evaluate({
+    contextId,
+    expression: "({ foo: 42 })",
+  });
+  is(result.subtype, undefined, "JS Object has no subtype");
+  is(result.type, "object", "The type is correct");
+  ok(!!result.objectId, "Got an object id");
+
+  const { result: result2 } = await Runtime.callFunctionOn({
+    executionContextId: contextId,
+    functionDeclaration: "obj => JSON.stringify(obj)",
+    arguments: [{ objectId: result.objectId }],
+  });
+  is(result2.type, "string", "The type is correct");
+  is(result2.value, JSON.stringify({ foo: 42 }), "Got the object's JSON");
+
+  const { result: result3 } = await Runtime.callFunctionOn({
+    objectId: result.objectId,
+    functionDeclaration: "function () { return this.foo; }",
+  });
+  is(result3.type, "number", "The type is correct");
+  is(result3.value, 42, "Got the object's foo attribute");
+
+  await Runtime.releaseObject({
+    objectId: result.objectId,
+  });
+  info("Object is released");
+
+  try {
+    await Runtime.callFunctionOn({
+      executionContextId: contextId,
+      functionDeclaration: "() => {}",
+      arguments: [{ objectId: result.objectId }],
+    });
+    ok(false, "callFunctionOn with a released object as argument should throw");
+  } catch (e) {
+    ok(
+      e.message.includes("Could not find object with given id"),
+      "callFunctionOn throws on released argument"
+    );
+  }
+  try {
+    await Runtime.callFunctionOn({
+      objectId: result.objectId,
+      functionDeclaration: "() => {}",
+    });
+    ok(false, "callFunctionOn with a released object as target should throw");
+  } catch (e) {
+    ok(
+      e.message.includes("Unable to get the context for object with id"),
+      "callFunctionOn throws on released target"
+    );
+  }
+}