Source code

Revision control

Copy as Markdown

Other Tools

/* 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/>. */
// Test checking inline preview feature
"use strict";
add_task(async function testInlinePreviews() {
await pushPref("devtools.debugger.features.inline-preview", true);
const dbg = await initDebugger(
"doc-inline-preview.html",
"inline-preview.js"
);
await selectSource(dbg, "inline-preview.js");
// Reload the page to trigger the pause at the debugger statement
// in the block on line 66.
const onReload = reload(dbg);
await waitForPaused(dbg);
info("Check that debugger is paused in the block scope");
await assertPausedAtSourceAndLine(
dbg,
findSource(dbg, "inline-preview.js").id,
66
);
await assertInlinePreviews(
dbg,
[
{ previews: [{ identifier: "x:", value: "1" }], line: 63 },
{ previews: [{ identifier: "x:", value: "2" }], line: 65 },
],
// `block` is passed as the function name here because
// we are testing a block scope
"block"
);
await resume(dbg);
await assertInlinePreviews(
dbg,
[
{ previews: [{ identifier: "x:", value: "1" }], line: 63 },
{
previews: [{ identifier: "dict:", value: 'Object { hello: "world" }' }],
line: 68,
},
{ previews: [{ identifier: "key:", value: '"hello"' }], line: 69 },
],
"block"
);
await resume(dbg);
await onReload;
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "checkValues",
expectedInlinePreviews: [
{ previews: [{ identifier: "a:", value: '""' }], line: 2 },
{ previews: [{ identifier: "b:", value: "false" }], line: 3 },
{ previews: [{ identifier: "c:", value: "undefined" }], line: 4 },
{ previews: [{ identifier: "d:", value: "null" }], line: 5 },
{ previews: [{ identifier: "e:", value: "Array []" }], line: 6 },
{ previews: [{ identifier: "f:", value: "Object { }" }], line: 7 },
{
previews: [{ identifier: "reg:", value: "/^\\p{RGI_Emoji}$/v" }],
line: 8,
},
{
previews: [{ identifier: "obj:", value: "Object { foo: 1 }" }],
line: 9,
},
{
previews: [
{
identifier: "bs:",
value: "Array(101) [ {…}, {…}, {…}, … ]",
},
],
line: 13,
},
],
});
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "columnWise",
expectedInlinePreviews: [
{ previews: [{ identifier: "a:", value: '"a"' }], line: 21 },
{ previews: [{ identifier: "b:", value: '"b"' }], line: 22 },
{ previews: [{ identifier: "c:", value: '"c"' }], line: 23 },
],
});
// Check that referencing an object property previews the property, not the object (bug 1599917)
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "objectProperties",
expectedInlinePreviews: [
{
previews: [
{
identifier: "obj:",
value: 'Object { hello: "world", a: {…} }',
},
],
line: 29,
},
{ previews: [{ identifier: "obj.hello:", value: '"world"' }], line: 30 },
{ previews: [{ identifier: "obj.a.b:", value: '"c"' }], line: 31 },
],
});
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "classProperties",
expectedInlinePreviews: [
{
previews: [
{ identifier: "i:", value: "2" },
{ identifier: "this.x:", value: "1" },
],
line: 43,
},
{
previews: [
{ identifier: "self:", value: `Object { x: 1, #privateVar: 2 }` },
],
line: 44,
},
],
});
// Checks __proto__ variable/argument are displayed
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "protoArg",
fnArgs: ["tomato"],
expectedInlinePreviews: [
{
previews: [{ identifier: "__proto__:", value: `"tomato"` }],
line: 74,
},
],
});
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "protoVar",
expectedInlinePreviews: [
{
previews: [{ identifier: "__proto__:", value: `"lemon"` }],
line: 79,
},
],
});
// Check inline previews for values within a module script
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "runInModule",
expectedInlinePreviews: [
{ previews: [{ identifier: "val:", value: "4" }], line: 20 },
{ previews: [{ identifier: "ids:", value: "Array [ 1, 2 ]" }], line: 21 },
],
});
// Make sure the next breakpoint source is selected, parsed etc...
// Bug 1974236: This should not be necessary.
await selectSource(dbg, "inline-preview.js");
// Checks that open in inspector button works in inline preview
invokeInTab("btnClick");
await assertInlinePreviews(
dbg,
[{ previews: [{ identifier: "btn:", value: "button" }], line: 53 }],
"onBtnClick"
);
await checkInspectorIcon(dbg);
await dbg.toolbox.selectTool("jsdebugger");
await waitForSelectedSource(dbg, "inline-preview.js");
// Check preview of event ( event.target should be clickable )
// onBtnClick function in inline-preview.js
await assertInlinePreviews(
dbg,
[
{
previews: [
{
identifier: "event:",
value: "click { target: button, buttons: 0, clientX: 0, … }",
},
],
line: 58,
},
],
"onBtnClick"
);
await checkInspectorIcon(dbg);
await resume(dbg);
await dbg.toolbox.closeToolbox();
});
add_task(async function testInlinePreviewsWithExplicitResourceManagement() {
await pushPref("devtools.debugger.features.inline-preview", true);
// javascript.options.experimental.explicit_resource_management is set to true, but it's
// only supported on Nightly at the moment, so only check for SuppressedError if
// they're supported.
if (!AppConstants.ENABLE_EXPLICIT_RESOURCE_MANAGEMENT) {
return;
}
const dbg = await initDebugger("doc-inline-preview.html");
const onPaused = waitForPaused(dbg);
dbg.commands.scriptCommand.execute(
`
function explicitResourceManagement() {
using erm = {
[Symbol.dispose]() {},
foo: 42
};
console.log(erm.foo);
debugger;
}; explicitResourceManagement();`,
{}
);
await onPaused;
await invokeFunctionAndAssertInlinePreview({
dbg,
fnName: "explicitResourceManagement",
expectedInlinePreviews: [
{
previews: [
{
identifier: "erm:",
value: `Object { foo: 42, Symbol("Symbol.dispose"): Symbol.dispose() }`,
},
],
line: 3,
},
],
});
await dbg.toolbox.closeToolbox();
});
async function invokeFunctionAndAssertInlinePreview({
dbg,
fnName,
fnArgs = [],
expectedInlinePreviews,
}) {
invokeInTab(fnName, ...fnArgs);
await assertInlinePreviews(dbg, expectedInlinePreviews, fnName);
await resume(dbg);
}
async function checkInspectorIcon(dbg) {
const node = await waitForElement(dbg, "inlinePreviewOpenInspector");
// Ensure hovering over button highlights the node in content pane
const view = node.ownerDocument.defaultView;
const { toolbox } = dbg;
// Setup a promise that will set `nodeHighlighted` to the highlighter-shown
// event payload.
let nodeHighlighted;
toolbox
.getHighlighter()
.waitForHighlighterShown()
.then(event => {
nodeHighlighted = event;
});
info("Wait for node to be highlighted");
const nodeFront = await waitFor(() => {
// The test intermittently fails when we try to mouseover only once.
// Setup a simple polling mechanism to avoid this. See Bug 1607636.
if (nodeHighlighted) {
return nodeHighlighted.nodeFront;
}
EventUtils.synthesizeMouseAtCenter(node, { type: "mousemove" }, view);
return false;
});
is(nodeFront.displayName, "button", "The correct node was highlighted");
// Ensure panel changes when button is clicked
const onInspectorPanelLoad = waitForInspectorPanelChange(dbg);
node.click();
await onInspectorPanelLoad;
await resume(dbg);
}