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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"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=300"/></head>' +
"<body>meta viewport width 300</body>";
addRDMTask(TEST_URL, async function ({ ui, manager }) {
info("--- Starting viewport test output ---");
// We're going to take a 600,300 viewport (before) and resize it
// to 50,50 (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: [2.0, 300, 150],
after: [0.25, 300, 300], // This checks that min-zoom is active.
},
{
metaSupport: true,
before: [2.0, 300, 150],
after: [0.25, 300, 300], // This checks that min-zoom is active.
},
];
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, 600, 300);
await testViewportZoomWidthAndHeight(
message + " before resize",
ui,
b[0],
b[1],
b[2]
);
// Move to the smaller size.
await setViewportSizeAndAwaitReflow(ui, manager, 50, 50);
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, 600, 300);
await testViewportZoomWidthAndHeight(
message + " return to initial size",
ui,
b[0],
b[1],
b[2]
);
}
});
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