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Test Info: Warnings
- This test gets skipped with pattern: os == 'win'
- Manifest: devtools/client/responsive/test/browser/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test viewport resizing, with and without meta viewport support.
const TEST_URL =
"data:text/html;charset=utf-8," +
'<head><meta name="viewport" content="width=device-width"/></head>' +
'<body style="margin:0px;min-width:600px">' +
'<div style="width:100%;height:100px;background-color:black"></div>' +
'<div style="width:100%;height:1100px;background-color:lightblue"></div>' +
"</body>";
addRDMTask(TEST_URL, async function ({ ui, manager }) {
info("--- Starting viewport test output ---");
// We're going to take a 300,600 viewport (before), reload it,
// then resize it to 600,300 (after) and then resize it back.
// At the before and after points, we'll measure zoom and the
// layout viewport width and height.
const expected = [
{
metaSupport: false,
before: [0.5, 300, 600],
after: [1.0, 600, 300],
},
{
metaSupport: true,
before: [0.5, 300, 600],
after: [1.0, 600, 300],
},
];
for (const e of expected) {
const b = e.before;
const a = e.after;
const message = "Meta Viewport " + (e.metaSupport ? "ON" : "OFF");
// Ensure meta viewport is set.
info(message + " setting meta viewport support.");
await setTouchAndMetaViewportSupport(ui, e.metaSupport);
// Get to the initial size and check values.
await setViewportSizeAndAwaitReflow(ui, manager, 300, 600);
await testViewportZoomWidthAndHeight(
message + " before resize",
ui,
b[0],
b[1],
b[2]
);
// Force a reload.
await reloadBrowser();
// Check initial values again.
await testViewportZoomWidthAndHeight(
message + " after reload",
ui,
b[0],
b[1],
b[2]
);
// Move to the smaller size.
await setViewportSizeAndAwaitReflow(ui, manager, 600, 300);
await testViewportZoomWidthAndHeight(
message + " after resize",
ui,
a[0],
a[1],
a[2]
);
// Go back to the initial size and check again.
await setViewportSizeAndAwaitReflow(ui, manager, 300, 600);
await testViewportZoomWidthAndHeight(
message + " return to initial size",
ui,
b[0],
b[1],
b[2]
);
}
});