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Diffstat (limited to '')
-rw-r--r-- | dom/base/test/meta_viewport/test_meta_viewport_initial_scale_0_5.html | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/dom/base/test/meta_viewport/test_meta_viewport_initial_scale_0_5.html b/dom/base/test/meta_viewport/test_meta_viewport_initial_scale_0_5.html new file mode 100644 index 0000000000..99fb5c1d36 --- /dev/null +++ b/dom/base/test/meta_viewport/test_meta_viewport_initial_scale_0_5.html @@ -0,0 +1,33 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset="utf-8"> + <title>initial-scale=0.5 in meta viewport</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <meta name="viewport" content="initial-scale=0.5"> + <script src="viewport_helpers.js"></script> +</head> +<body> + <p>initial-scale=0.5</p> + <script type="application/javascript"> + "use strict"; + + add_task(async function initial_scale_0_5() { + await SpecialPowers.pushPrefEnv(scaleRatio(1.0)); + + let info = getViewportInfo(800, 480); + // 'min-width' is 'display width / initial-scale', thus the value will be + // bigger than the display width in the case where the initial-scale is + // less than 1, thus the final viewport width will be the 'min-width'. + // See 'Resolve initial width and height from min/max descriptors' section + // in the spec for more detail. + // height is calculated by the same rule. + // https://drafts.csswg.org/css-device-adapt/#resolve-initial-width-height + is(info.width, 1600, "width should be scaled by 1 / initial-scale"); + is(info.height, 960, "height should be scaled by 1 / initial-scale"); + is(info.defaultZoom, 0.5, "initial-scale should be 0.5"); + }); + </script> +</body> +</html> |