mozilla-central/remote/cdp/test/browser/runtime/browser_remoteObjects.js (file symbol)

Source code

Revision control

Copy as Markdown

Other Tools

Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
"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");
await Assert.rejects(
Runtime.callFunctionOn({
executionContextId: contextId,
functionDeclaration: "() => {}",
arguments: [{ objectId: result.objectId }],
}),
err => err.message.includes("Could not find object with given id"),
"callFunctionOn throws on released argument"
);
await Assert.rejects(
Runtime.callFunctionOn({
objectId: result.objectId,
functionDeclaration: "() => {}",
}),
err => err.message.includes("Cannot find context with specified id"),
"callFunctionOn throws on released target"
);
}