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- Manifest: widget/tests/chrome.toml
<?xml version="1.0"?>
<!-- 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
<head>
<title>Tests that size constraints are inner sizes and respected properly</title>
</head>
<body>
<script><![CDATA[
const { TestUtils } = ChromeUtils.importESModule(
);
async function waitForStableWindowSize(win) {
let lastSize;
let stableSamples = 0;
await TestUtils.waitForCondition(() => {
const size = [
win.innerWidth,
win.innerHeight,
win.outerWidth,
win.outerHeight,
].join(",");
stableSamples = size == lastSize ? stableSamples + 1 : 0;
lastSize = size;
return stableSamples >= 3;
}, "The window size should stabilize");
}
function is_approx(float1, float2, error, desc) {
ok(
Math.abs(float1 - float2) < error,
desc + ": " + float1 + " and " + float2 + " should be within " + error
);
}
async function checkSize(win, width, height) {
is_approx(win.innerWidth, width, 1, "The allocated client should retain its width");
is_approx(win.innerHeight, height, 1, "The allocated client should retain its height");
}
async function openWindow(width = 400, height = 200, onePixelClient = false) {
const expectedWidth = Math.min(400, Math.max(200, width));
const expectedHeight = Math.min(
300,
Math.max(onePixelClient ? 1 : 100, height)
);
const url = new URL("window_size_constraints.xhtml", window.location.href);
if (onePixelClient) {
url.hash = "one-pixel-client";
}
const win = window.browsingContext.topChromeWindow.openDialog(
url.href,
"_blank",
`chrome,titlebar,resizable,width=${width},height=${height}`
);
SimpleTest.registerCleanupFunction(() => win.close());
await SimpleTest.promiseFocus(win);
await checkSize(win, expectedWidth, expectedHeight);
return win;
}
add_task(async function test_window_size_constraints() {
const win = await openWindow();
win.close();
});
add_task(async function test_initial_size_above_maximum() {
const win = await openWindow(600);
win.close();
});
add_task(async function test_initial_height_above_maximum() {
const win = await openWindow(400, 400);
win.close();
});
add_task(async function test_initial_size_below_minimum() {
const win = await openWindow(100, 50);
win.close();
});
add_task(async function test_one_pixel_client_bounds() {
if (!navigator.platform.includes("Linux")) {
return;
}
const win = await openWindow(400, 200, true);
function resizeTo(width, height) {
return new Promise(resolve => {
win.addEventListener("resize", resolve, { once: true });
win.resizeTo(width, height);
});
}
try {
const horizontalMargin = win.outerWidth - win.innerWidth;
const verticalMargin = win.outerHeight - win.innerHeight;
const clientOffsetX = win.mozInnerScreenX - win.screenX;
const clientOffsetY = win.mozInnerScreenY - win.screenY;
await resizeTo(1, 1);
await checkSize(win, 200, 1);
is_approx(
win.outerHeight - win.innerHeight,
verticalMargin,
1,
"A one-pixel client should retain its vertical decoration margin"
);
is_approx(
win.mozInnerScreenX - win.screenX,
clientOffsetX,
1,
"A one-pixel client should retain its horizontal decoration offset"
);
is_approx(
win.mozInnerScreenY - win.screenY,
clientOffsetY,
1,
"A one-pixel client should retain its vertical decoration offset"
);
win.document.documentElement.toggleAttribute("customtitlebar", true);
await waitForStableWindowSize(win);
if (
Math.abs(win.innerWidth - 200) >= 1 ||
Math.abs(win.innerHeight - 1) >= 1
) {
await resizeTo(1, 1);
}
await checkSize(win, 200, 1);
win.document.documentElement.toggleAttribute("customtitlebar", false);
await waitForStableWindowSize(win);
is_approx(
win.outerHeight - win.innerHeight,
verticalMargin,
1,
"A one-pixel client should restore its vertical decoration margin"
);
is_approx(
win.mozInnerScreenY - win.screenY,
clientOffsetY,
1,
"A one-pixel client should restore its vertical decoration offset"
);
await checkSize(win, 200, 1);
await resizeTo(400 + horizontalMargin, 200 + verticalMargin);
await checkSize(win, 400, 200);
await resizeTo(300 + horizontalMargin, 150 + verticalMargin);
await checkSize(win, 300, 150);
} finally {
win.close();
}
});
]]></script>
</body>
</html>