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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/html/canvas/offscreen/text/2d.text.drawing.style.wordSpacing.measure.worker.js
parentInitial commit. (diff)
downloadfirefox-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>
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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
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+++ 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();