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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 /dom/canvas/test/test_offscreencanvas_font.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/test_offscreencanvas_font.html')
| -rw-r--r-- | dom/canvas/test/test_offscreencanvas_font.html | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/dom/canvas/test/test_offscreencanvas_font.html b/dom/canvas/test/test_offscreencanvas_font.html new file mode 100644 index 0000000000..9d3b0994de --- /dev/null +++ b/dom/canvas/test/test_offscreencanvas_font.html @@ -0,0 +1,59 @@ +<!DOCTYPE HTML> +<html> +<head> +<title>Serialization of font on OffscreenCanvas2d</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> +</head> +<body> +<canvas id="c"> +<script> + +SimpleTest.waitForExplicitFinish(); + +function testFontShorthand(ctx, font) { + ctx.font = font; + let w1 = ctx.measureText("Hello World").width; + let f = ctx.font; + ctx.font = f; + let w2 = ctx.measureText("Hello World").width; + ok(w1 === w2, "serialization and re-setting of \"" + + font + "\" as \"" + f + "\" is idempotent"); +} + +const tests = [ + "12px serif", + "12px/1.4 serif", + "italic 12px serif", + "oblique 12px serif", + "bold 12px serif", + "bold italic 12px serif", + "condensed bold italic 12px serif", + "500 italic 12px serif", + "italic 500 12px serif", +]; + +function runTest() { + let canvas = new OffscreenCanvas(100, 100); + let ctx = canvas.getContext("2d"); + tests.forEach((t) => { + testFontShorthand(ctx, t); + }); + + // Although the bug that motivated this test was specific to offscreen canvas, + // let's also check that it works with a <canvas> element. + ctx = document.getElementById("c").getContext("2d"); + tests.forEach((t) => { + testFontShorthand(ctx, t); + }); + + SimpleTest.finish(); +} + +SpecialPowers.pushPrefEnv({'set': [ + ['gfx.offscreencanvas.enabled', true], +]}, runTest); + +</script> +</body> +</html> |