зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.7 KiB
HTML
82 строки
2.7 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>meta viewport test</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script src="viewport_helpers.js"></script>
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</head>
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<body>
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<p>No <meta name="viewport"> tag</p>
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<script type="application/javascript">
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"use strict";
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SimpleTest.waitForExplicitFinish();
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let tests = [];
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function fuzzeq(a, b, msg) {
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ok(Math.abs(a - b) < 1e-6, msg);
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}
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tests.push(function test1() {
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SpecialPowers.pushPrefEnv(scaleRatio(1.0),
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function() {
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let info = getViewportInfo(800, 480);
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fuzzeq(info.defaultZoom, 0.1, "initial scale is unspecified");
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fuzzeq(info.minZoom, 0.1, "minimum scale defaults to the absolute minimum");
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is(info.maxZoom, 10, "maximum scale defaults to the absolute maximum");
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is(info.width, 980, "width is the default width");
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is(info.height, 588, "height is proportional to displayHeight");
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is(info.autoSize, false, "autoSize is disabled by default");
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is(info.allowZoom, true, "zooming is enabled by default");
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info = getViewportInfo(490, 600);
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is(info.width, 980, "width is still the default width");
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is(info.height, 1200, "height is proportional to the new displayHeight");
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nextTest();
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});
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});
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tests.push(function test2() {
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SpecialPowers.pushPrefEnv(scaleRatio(1.5),
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function() {
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let info = getViewportInfo(800, 480);
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is(info.width, 980, "width is still the default width");
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is(info.height, 588, "height is still proportional to displayHeight");
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nextTest();
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});
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});
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function getViewportInfo(aDisplayWidth, aDisplayHeight) {
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let defaultZoom = {}, allowZoom = {}, minZoom = {}, maxZoom = {},
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width = {}, height = {}, autoSize = {};
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let cwu = SpecialPowers.getDOMWindowUtils(window);
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cwu.getViewportInfo(aDisplayWidth, aDisplayHeight, defaultZoom, allowZoom,
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minZoom, maxZoom, width, height, autoSize);
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return {
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defaultZoom: defaultZoom.value,
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minZoom: minZoom.value,
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maxZoom: maxZoom.value,
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width: width.value,
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height: height.value,
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autoSize: autoSize.value,
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allowZoom: allowZoom.value
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};
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}
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function nextTest() {
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if (tests.length)
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(tests.shift())();
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else
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SimpleTest.finish();
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}
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addEventListener("load", nextTest);
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</script>
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</body>
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</html>
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