diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/CSS2/floats-clear/margin-collapse-clear-017.xht | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/CSS2/floats-clear/margin-collapse-clear-017.xht')
| -rw-r--r-- | testing/web-platform/tests/css/CSS2/floats-clear/margin-collapse-clear-017.xht | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/CSS2/floats-clear/margin-collapse-clear-017.xht b/testing/web-platform/tests/css/CSS2/floats-clear/margin-collapse-clear-017.xht new file mode 100644 index 0000000000..6e0dbf05c5 --- /dev/null +++ b/testing/web-platform/tests/css/CSS2/floats-clear/margin-collapse-clear-017.xht @@ -0,0 +1,82 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> + +<html xmlns="http://www.w3.org/1999/xhtml"> + + <head> + + <title>CSS Test: Margin collapsing - margins of a 'collapsed through' box without clearance can collapse with parent block's bottom margin</title> + + <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins" /> + <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> + <link rel="author" title="Daniel Schattenkirchner" href="mailto:crazy-daniel@gmx.de" /> + <link rel="match" href="margin-collapse-clear-017-ref.xht" /> + + <meta content="An element that does not have clearance applied to it can collapse its top margin with its parent block's bottom margin. Margins of a 'collapsed through' box without clearance applied to it can collapse with its parent block's bottom margin. An element with 'clear' set to a value other than 'none' can create a clearance only if and only when there is an earlier (in the source document) floating box." name="assert" /> + <meta content="image" name="flags" /> + + <style type="text/css"><![CDATA[ + body + { + background: white url("support/ruler-v-100px-200px-300px.png") no-repeat; + margin: 34px 8px 8px 55px; + /* + 34px : body's top margin collapsing with p's top margin: max(34px, 16px) + + 20px : p's 1st line box height + + 20px : p's 2nd line box height + + 16px : p's bottom margin + + 10px : height of topmost green bar + ====== + 100px + */ + } + + p + { + font-size: 16px; + line-height: 20px; + margin: 1em 8px; + } + + div#parent-block {margin-bottom: 100px;} + + div.vertical-gap-separator + { + background-color: green; + height: 10px; + } + + div#element-without-clearance + { + clear: both; + margin-top: 100px; + } + + /* + In this test, div#element-without-clearance + is what the spec refers to as + 'collapsed through' box + http://www.w3.org/TR/CSS21/box.html#collapsed-through + */ + ]]></style> + + </head> + + <body> + + <p>Test passes if there is a vertical gap<br /> + of exactly 100px between 2 green bars.</p> + + <div id="parent-block"> + <div class="vertical-gap-separator"></div> + <div id="element-without-clearance"></div> + </div> + + <div class="vertical-gap-separator"></div> + + <!-- + div#element-without-clearance's margin-top should collapse + with #parent-block's margin-bottom: max(100px, 100px) = 100px + --> + + </body> +</html> |