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Diffstat (limited to 'testing/web-platform/tests/css/css-values/ch-unit-017.html')
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diff --git a/testing/web-platform/tests/css/css-values/ch-unit-017.html b/testing/web-platform/tests/css/css-values/ch-unit-017.html new file mode 100644 index 0000000000..3959feec80 --- /dev/null +++ b/testing/web-platform/tests/css/css-values/ch-unit-017.html @@ -0,0 +1,32 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>CSS Values and Units Test: support for the ch unit</title> +<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au"> +<link rel="help" href="https://drafts.csswg.org/css-values-3/#font-relative-lengths"> +<link rel="match" href="reference/ch-unit-016-ref.html"> +<meta name="assert" content="In vertical upright writing modes, the ch unit is equal to the vertical advance of the zero glyph."> +<style> +@font-face { + font-family: ChTestShortZero; + src: url(resources/ChTestShortZero.woff); +} +div { + height: 10px; + background-color: blue; + margin-top: 10px; +} +.test { + writing-mode: vertical-rl; + text-orientation: upright; + width: 5ch; +} +.ref { + width: 100px; +} +</style> +<p>The test passes if there are two blue rectangles of equal length.</p> +<!-- ChTestShortZero has a '0' glyph whose vertical advance is a quarter + of the units per em, so ch units in vertical upright writing modes + should compute to 0.25em, resulting in the div being 100px width. --> +<div class="test" style="font: 80px ChTestShortZero;"></div> +<div class="ref"></div> |