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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/style/test/test_dont_use_document_fonts.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/style/test/test_dont_use_document_fonts.html')
| -rw-r--r-- | layout/style/test/test_dont_use_document_fonts.html | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/layout/style/test/test_dont_use_document_fonts.html b/layout/style/test/test_dont_use_document_fonts.html new file mode 100644 index 0000000000..59bc6c6d62 --- /dev/null +++ b/layout/style/test/test_dont_use_document_fonts.html @@ -0,0 +1,116 @@ +<!doctype html> +<title>Test for preference to not use document fonts</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel='stylesheet' href='/resources/testharness.css'> +<div id="content"></div> +<script> +const content = document.getElementById("content"); + +// This is just a subset of browser.display.use_document_fonts.icon_font_allowlist +// that we feel are worth double-checking via this test. In particular: +// * Chromium Bug Tracker and https://developers.google.com use "Material Icons" +// * Google Translate and Google Timeline use "Material Icons Extended" +// * https://fonts.google.com/icons uses "Material Symbols Outlined" +// * Google Calendar and Google Contacts use "Google Material Icons" +const kKnownLigatureIconFonts = "Material Icons, Material Icons Extended, " + + "Material Symbols Outlined, Google Material Icons"; + +setup({explicit_done: true }) + +content.style.fontFamily = "initial"; +const kInitialFamily = getComputedStyle(content).fontFamily; +content.style.fontFamily = ""; + +const kTests = [ + { + specified: "monospace", + computed: "monospace", + description: "Single generic family should not be changed", + }, + { + specified: "monospace, sans-serif", + computed: "monospace, sans-serif", + description: "Generic families should not be changed", + }, + { + specified: "Courier, monospace", + computed: "monospace, Courier", + description: "Generics are preferred, but may still fall back to document fonts", + }, + { + specified: "system-ui, sans-serif", + computed: "sans-serif, system-ui", + description: "system-ui is not prioritized", + }, + { + specified: "Courier, something-else", + computed: `${kInitialFamily}, Courier, something-else`, + description: "Generic is prepended to the font-family if none is found", + }, + { + specified: kKnownLigatureIconFonts + ", something-else, sans-serif", + computed: kKnownLigatureIconFonts + ", sans-serif, something-else", + description: "Known ligature-icon fonts remain ahead of the generic", + }, + { + specified: "Material Icons, something-else, Material Symbols Outlined, sans-serif", + computed: "Material Icons, sans-serif, something-else, Material Symbols Outlined", + description: "Generic is moved ahead of the first non-allowlisted font", + }, + { + specified: "Material Icons, something-else, Material Symbols Outlined", + computed: `Material Icons, ${kInitialFamily}, something-else, Material Symbols Outlined`, + description: "Default generic is inserted ahead of the first non-allowlisted font", + }, + { + specified: "Material Icons, cursive, Material Symbols Outlined, serif", + computed: "Material Icons, serif, cursive, Material Symbols Outlined", + description: "cursive is not treated as a generic to be prioritized", + }, + { + specified: "Material Icons, fantasy, Material Symbols Outlined", + computed: `Material Icons, ${kInitialFamily}, fantasy, Material Symbols Outlined`, + description: "fantasy is not treated as a generic to be prioritized", + }, +]; + +let systemFont; + +// compute expectations while the pref is not active yet. +test(function() { + for (const test of kTests) { + content.style.fontFamily = ""; + content.style.fontFamily = test.computed; + assert_not_equals(content.style.fontFamily, "", `computed font ${test.computed} was invalid`); + test.expected = getComputedStyle(content).fontFamily; + } + + content.style.font = "menu"; + systemFont = getComputedStyle(content).fontFamily; + assert_not_equals(systemFont, "", `computed menu system font was invalid`); + + content.style.font = ""; +}, "Sanity"); + +function runTest({ specified, computed, description, expected }) { + test(function() { + content.style.fontFamily = ""; + content.style.fontFamily = specified; + assert_equals(getComputedStyle(content).fontFamily, expected); + }, description); +} + +(async function() { + await SpecialPowers.pushPrefEnv({'set': [['browser.display.use_document_fonts', 0]]}); + for (const test of kTests) + runTest(test); + + test(function() { + content.style.font = "menu"; + assert_equals(getComputedStyle(content).fontFamily, systemFont); + }, "System font should be honored"); + + done(); +})(); +</script> |