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Diffstat (limited to 'testing/web-platform/tests/css/css-contain/contain-layout-button-001.tentative.html')
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diff --git a/testing/web-platform/tests/css/css-contain/contain-layout-button-001.tentative.html b/testing/web-platform/tests/css/css-contain/contain-layout-button-001.tentative.html new file mode 100644 index 0000000000..f5a664e566 --- /dev/null +++ b/testing/web-platform/tests/css/css-contain/contain-layout-button-001.tentative.html @@ -0,0 +1,24 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>CSS Containment Test: Layout containment on button</title> +<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com"> +<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout"> +<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#propdef-vertical-align"> +<link rel="match" href="reference/contain-layout-button-001-ref.html"> +<meta name=assert content="Layout containment does apply to buttons, but in an inline context their baseline is synthesized from their content-box."> +<style> +button { + border: 5px solid green; + padding: 0; + /* We use a nonzero margin-bottom to be sure we're synthesizing a baseline + from the margin-box rather than from the border-box: */ + margin-bottom: 2px; + contain: layout; + color: transparent; + width: 0; + height: 0; +} +</style> + +<p>This test passes if it has the same output as the reference. You see the word "before", a 10px green square aligned 2px above the text's baseline, and then the word "after".</p> +before<button>b</button>after |