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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/html/canvas/offscreen/text/2d.text.drawing.style.wordSpacing.measure.worker.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/text/2d.text.drawing.style.wordSpacing.measure.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/text/2d.text.drawing.style.wordSpacing.measure.worker.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/text/2d.text.drawing.style.wordSpacing.measure.worker.js b/testing/web-platform/tests/html/canvas/offscreen/text/2d.text.drawing.style.wordSpacing.measure.worker.js new file mode 100644 index 0000000000..b7acecb0eb --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/text/2d.text.drawing.style.wordSpacing.measure.worker.js @@ -0,0 +1,50 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.text.drawing.style.wordSpacing.measure +// Description:Testing word spacing with different length units +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +var t = async_test("Testing word spacing with different length units"); +var t_pass = t.done.bind(t); +var t_fail = t.step_func(function(reason) { + throw reason; +}); +t.step(function() { + + var canvas = new OffscreenCanvas(100, 50); + var ctx = canvas.getContext('2d'); + + _assertSame(ctx.letterSpacing, '0px', "ctx.letterSpacing", "'0px'"); + _assertSame(ctx.wordSpacing, '0px', "ctx.wordSpacing", "'0px'"); + var width_normal = ctx.measureText('Hello World, again').width; + + function test_word_spacing(value, difference_spacing, epsilon) { + ctx.wordSpacing = value; + _assertSame(ctx.letterSpacing, '0px', "ctx.letterSpacing", "'0px'"); + _assertSame(ctx.wordSpacing, value, "ctx.wordSpacing", "value"); + width_with_word_spacing = ctx.measureText('Hello World, again').width; + assert_approx_equals(width_with_word_spacing, width_normal + difference_spacing, epsilon, "word spacing doesn't work."); + } + + // The first value is the word Spacing to be set, the second value the + // change in length of string 'Hello World', note that there are 2 words + // in 'Hello World, again', so the length difference is always wordSpacing * 2. + // and the third value is the acceptable differencee for the length change, + // note that unit such as 1cm/1mm doesn't map to an exact pixel value. + test_cases = [['3px', 6, 0.1], + ['5px', 10, 0.1], + ['-2px', -4, 0.1], + ['1em', 20, 0.1], + ['-0.5em', -10, 0.1], + ['1in', 192, 0.1], + ['-0.1cm', -7.57, 0.2], + ['-0.6mm', -4.54, 0.2]] + + for (const test_case of test_cases) { + test_word_spacing(test_case[0], test_case[1], test_case[2]); + } + t.done(); +}); +done(); |