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"use strict";
// Tests that unhandled promise rejections generate the appropriate
// console messages.
const { AddonTestUtils } = ChromeUtils.importESModule(
"resource://testing-common/AddonTestUtils.sys.mjs"
);
const { PromiseTestUtils } = ChromeUtils.importESModule(
"resource://testing-common/PromiseTestUtils.sys.mjs"
);
PromiseTestUtils.expectUncaughtRejection(/could not be cloned/);
PromiseTestUtils.expectUncaughtRejection(/An exception was thrown/);
PromiseTestUtils.expectUncaughtRejection(/Bleah/);
const filename = "resource://foo/Bar.jsm";
async function getSandboxMessages(sandbox, code) {
let { messages } = await AddonTestUtils.promiseConsoleOutput(async () => {
Cu.evalInSandbox(code, sandbox, null, filename, 1);
// We need two trips through the event loop for this error to be reported.
await new Promise(executeSoon);
await new Promise(executeSoon);
});
// xpcshell tests on OS-X sometimes include an extra warning, which we
// unfortunately need to ignore:
return messages.filter(
msg =>
!msg.message.includes(
"No chrome package registered for chrome://branding/locale/brand.properties"
)
);
}
add_task(async function test_unhandled_dom_exception() {
let sandbox = Cu.Sandbox(Services.scriptSecurityManager.getSystemPrincipal());
sandbox.StructuredCloneHolder = StructuredCloneHolder;
let messages = await getSandboxMessages(
sandbox,
`new Promise(() => {
new StructuredCloneHolder("", "", () => {});
});`
);
equal(messages.length, 1, "Got one console message");
let [msg] = messages;
ok(msg instanceof Ci.nsIScriptError, "Message is a script error");
equal(msg.sourceName, filename, "Got expected filename");
equal(msg.lineNumber, 2, "Got expected line number");
equal(
msg.errorMessage,
"DataCloneError: Function object could not be cloned.",
"Got expected error message"
);
});
add_task(async function test_unhandled_dom_exception_wrapped() {
let sandbox = Cu.Sandbox(
Services.scriptSecurityManager.createContentPrincipalFromOrigin(
"http://example.com/"
)
);
Cu.exportFunction(
function frick() {
throw new Components.Exception(
"Bleah.",
Cr.NS_ERROR_FAILURE,
Components.stack.caller
);
},
sandbox,
{ defineAs: "frick" }
);
let messages = await getSandboxMessages(
sandbox,
`new Promise(() => {
frick();
});`
);
equal(messages.length, 2, "Got two console messages");
let [msg1, msg2] = messages;
ok(msg1 instanceof Ci.nsIScriptError, "Message is a script error");
equal(msg1.sourceName, filename, "Got expected filename");
equal(msg1.lineNumber, 2, "Got expected line number");
equal(
msg1.errorMessage,
"NS_ERROR_FAILURE: Bleah.",
"Got expected error message"
);
ok(msg2 instanceof Ci.nsIScriptError, "Message is a script error");
equal(msg2.sourceName, filename, "Got expected filename");
equal(msg2.lineNumber, 2, "Got expected line number");
equal(
msg2.errorMessage,
"InvalidStateError: An exception was thrown",
"Got expected error message"
);
});
add_task(async function test_unhandled_dom_exception_from_sandbox() {
let sandbox = Cu.Sandbox(
Services.scriptSecurityManager.createContentPrincipalFromOrigin(
"http://example.com/"
),
{ wantGlobalProperties: ["DOMException"] }
);
let ctor = Cu.evalInSandbox("DOMException", sandbox);
Cu.exportFunction(
function frick() {
throw new ctor("Bleah.");
},
sandbox,
{ defineAs: "frick" }
);
let messages = await getSandboxMessages(
sandbox,
`new Promise(() => {
frick();
});`
);
equal(messages.length, 1, "Got one console messages");
let [msg] = messages;
ok(msg instanceof Ci.nsIScriptError, "Message is a script error");
equal(msg.sourceName, filename, "Got expected filename");
equal(msg.lineNumber, 2, "Got expected line number");
equal(msg.errorMessage, "Error: Bleah.", "Got expected error message");
});
|
