mozilla-central/remote/shared/test/xpcshell/test_Stack.js (file symbol)

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
const { getFramesFromStack, isChromeFrame } = ChromeUtils.importESModule(
"chrome://remote/content/shared/Stack.sys.mjs"
);
const sourceFrames = [
{
column: 1,
functionDisplayName: "foo",
line: 2,
source: "cheese",
sourceId: 1,
},
{
column: 3,
functionDisplayName: null,
line: 4,
source: "cake",
sourceId: 2,
},
{
column: 5,
functionDisplayName: "chrome",
line: 6,
source: "chrome://foo",
sourceId: 3,
},
];
const targetFrames = [
{
columnNumber: 1,
functionName: "foo",
lineNumber: 2,
filename: "cheese",
sourceId: 1,
},
{
columnNumber: 3,
functionName: "",
lineNumber: 4,
filename: "cake",
sourceId: 2,
},
{
columnNumber: 5,
functionName: "chrome",
lineNumber: 6,
filename: "chrome://foo",
sourceId: 3,
},
];
add_task(async function test_getFramesFromStack() {
const stack = buildStack(sourceFrames);
const frames = getFramesFromStack(stack, { includeChrome: false });
ok(Array.isArray(frames), "frames is of expected type Array");
equal(frames.length, 3, "Got expected amount of frames");
checkFrame(frames.at(0), targetFrames.at(0));
checkFrame(frames.at(1), targetFrames.at(1));
checkFrame(frames.at(2), targetFrames.at(2));
});
add_task(async function test_getFramesFromStack_asyncStack() {
const stack = buildStack(sourceFrames, true);
const frames = getFramesFromStack(stack);
ok(Array.isArray(frames), "frames is of expected type Array");
equal(frames.length, 3, "Got expected amount of frames");
checkFrame(frames.at(0), targetFrames.at(0));
checkFrame(frames.at(1), targetFrames.at(1));
checkFrame(frames.at(2), targetFrames.at(2));
});
add_task(async function test_isChromeFrame() {
for (const filename of ["chrome://foo/bar", "resource://foo/bar"]) {
ok(isChromeFrame({ filename }), "Frame is of expected chrome scope");
}
for (const filename of ["http://foo.bar", "about:blank"]) {
ok(!isChromeFrame({ filename }), "Frame is of expected content scope");
}
});
function buildStack(frames, async = false) {
const parent = async ? "asyncParent" : "parent";
let currentFrame, stack;
for (const frame of frames) {
if (currentFrame) {
currentFrame[parent] = Object.assign({}, frame);
currentFrame = currentFrame[parent];
} else {
stack = Object.assign({}, frame);
currentFrame = stack;
}
}
return stack;
}
function checkFrame(frame, expectedFrame) {
equal(
frame.columnNumber,
expectedFrame.columnNumber,
"Got expected column number"
);
equal(
frame.functionName,
expectedFrame.functionName,
"Got expected function name"
);
equal(frame.lineNumber, expectedFrame.lineNumber, "Got expected line number");
equal(frame.filename, expectedFrame.filename, "Got expected filename");
equal(frame.sourceId, expectedFrame.sourceId, "Got expected source id");
}