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diff --git a/testing/web-platform/tests/css/css-text/tab-size/tab-size-spacing-002.html b/testing/web-platform/tests/css/css-text/tab-size/tab-size-spacing-002.html new file mode 100644 index 0000000000..01bc6cafad --- /dev/null +++ b/testing/web-platform/tests/css/css-text/tab-size/tab-size-spacing-002.html @@ -0,0 +1,29 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>CSS Text level 3 Test: tab-size and letter-spacing</title> +<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com"> +<link rel="help" href="https://drafts.csswg.org/css-text-3/#tab-size-property"> +<link rel="help" href="https://drafts.csswg.org/css-text-3/#letter-spacing-property"> +<link rel="match" href="tab-size-spacing-002-ref.html"> +<meta name="assert" content="For the tab-size property, a <number> represents the measure as a multiple of the space character’s advance width (U+0020) including its associated letter-spacing and word-spacing"> +<style> +div { + font-family: monospace; /* so we can compare tab with a count of preserved spaces */ + white-space: pre; +} +.test { + letter-spacing: 1ch; /* effectively double the advance of the characters */ + tab-size: 3; +} +.ref1 { + letter-spacing: 1ch; +} +.ref2 { + white-space: pre; +} +</style> + +<p>Test passes if the "1"s all line up vertically: +<div class=ref1>1231231231</div> +<div class=test>1	1	1	1</div> +<div class=ref2>1 1 1 1</div> |