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Test Info: Warnings
- This test gets skipped with pattern: asan
- Manifest: devtools/client/debugger/test/mochitest/browser_kz.toml
/* 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
// Test that the tooltip previews are correct with wrapped editor lines.
"use strict";
const httpServer = createTestHTTPServer();
httpServer.registerContentType("html", "text/html");
httpServer.registerContentType("js", "application/javascript");
httpServer.registerPathHandler(
"/doc-wrapped-lines.html",
(request, response) => {
response.setStatusLine(request.httpVersion, 200, "OK");
response.write(`<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
const cs1 = getComputedStyle(document.documentElement);
const cs2 = getComputedStyle(document.documentElement);
// This line generates a very long inline-preview which is loaded a bit later after the
// initial positions for the page has been calculated
function add(a,b,k){var result=a+b;return k(result)}function sub(a,b,k){var result=a-b;return k(result)}function mul(a,b,k){var result=a*b;return k(result)}function div(a,b,k){var result=a/b;return k(result)}function arithmetic(){
add(4,4,function(a){
sub(a,2,function(b){mul(b,3,function(c){div(c,2,function(d){console.log("arithmetic",d)})})})})};
isNaN(cs1, cs2);
const foo = { prop: 0 };
const bar = Math.min(foo);
const myVeryLongVariableNameThatMayWrap = 42;
myVeryLongVariableNameThatMayWrap * 2;
debugger;
</script>
</head>
</html>
`);
}
);
add_task(async function () {
await pushPref("devtools.toolbox.footer.height", 500);
await pushPref("devtools.debugger.ui.editor-wrapping", true);
// Reset toolbox height and end panel size to avoid impacting other tests
registerCleanupFunction(() => {
Services.prefs.clearUserPref("debugger.end-panel-size");
});
const dbg = await initDebuggerWithAbsoluteURL(
`${BASE_URL}doc-wrapped-lines.html`
);
await waitForSources(dbg, "doc-wrapped-lines.html");
const onReloaded = reload(dbg);
await waitForPaused(dbg);
await assertPreviews(dbg, [
{
line: 13,
column: 18,
expression: "foo",
fields: [["prop", "0"]],
},
{
line: 14,
column: 18,
result: "NaN",
expression: "bar",
},
]);
info(
"Resize the editor until the content on line 6 => ` const cs2 = getComputedStyle(document.documentElement);` wraps"
);
// Use splitter to resize to make sure CodeMirror internal state is refreshed
// in such case (CodeMirror already handle window resize on its own).
const splitter = dbg.win.document.querySelectorAll(".splitter")[1];
const splitterOriginalX = splitter.getBoundingClientRect().left;
ok(splitter, "Got the splitter");
const lineEl = findElement(dbg, "line", 6);
const lineHeightBeforeWrap = getElementBoxQuadHeight(lineEl);
let lineHeightAfterWrap = 0;
info("Resize the editor width to one third of the size of the line element");
const lineElBoundingClientRect = lineEl.getBoundingClientRect();
await resizeSplitter(
dbg,
splitter,
lineElBoundingClientRect.left + lineElBoundingClientRect.width / 3
);
info("Wait until the line does wrap");
await waitFor(async () => {
const el = findElement(dbg, "line", 6);
lineHeightAfterWrap = getElementBoxQuadHeight(el);
return lineHeightAfterWrap > lineHeightBeforeWrap;
});
info("Assert that the line wrapped");
const EXPECTED_LINES_TO_WRAP_OVER = 3;
is(
Math.floor(lineHeightAfterWrap),
Math.floor(lineHeightBeforeWrap * EXPECTED_LINES_TO_WRAP_OVER),
"The content on line 6 to wrap over 3 lines"
);
info("Assert the previews still work with wrapping");
await assertPreviews(dbg, [
{
line: 16,
column: 13,
expression: "myVeryLongVariableNameThatMayWrap",
result: "42",
},
]);
// clearing the pref isn't enough to have consistent sizes between runs,
// so set it back to its original position
await resizeSplitter(dbg, splitter, splitterOriginalX);
await resume(dbg);
await onReloaded;
Services.prefs.clearUserPref("debugger.end-panel-size");
await wait(1000);
});
async function resizeSplitter(dbg, splitterEl, x) {
EventUtils.synthesizeMouse(splitterEl, 0, 0, { type: "mousedown" }, dbg.win);
// Move the splitter of the secondary pane to the middle of the token,
// this should cause the token to wrap.
EventUtils.synthesizeMouseAtPoint(
x,
splitterEl.getBoundingClientRect().top + 10,
{ type: "mousemove" },
dbg.win
);
// Stop dragging
EventUtils.synthesizeMouseAtCenter(splitterEl, { type: "mouseup" }, dbg.win);
}
// Calculates the height of the element for the line
function getElementBoxQuadHeight(lineEl) {
const boxQ = lineEl.getBoxQuads()[0];
return boxQ.p4.y - boxQ.p1.y;
}