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Diffstat (limited to 'testing/web-platform/tests/html/canvas/element/text/2d.text.drawing.style.wordSpacing.change.font.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/element/text/2d.text.drawing.style.wordSpacing.change.font.html | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/text/2d.text.drawing.style.wordSpacing.change.font.html b/testing/web-platform/tests/html/canvas/element/text/2d.text.drawing.style.wordSpacing.change.font.html new file mode 100644 index 0000000000..8bad1a0447 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/text/2d.text.drawing.style.wordSpacing.change.font.html @@ -0,0 +1,45 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>Canvas test: 2d.text.drawing.style.wordSpacing.change.font</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> +<body class="show_output"> + +<h1>2d.text.drawing.style.wordSpacing.change.font</h1> +<p class="desc">Set word spacing and word spacing to font dependent value and verify it works after font change.</p> + + +<p class="output">Actual output:</p> +<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> + +<ul id="d"></ul> +<script> +var t = async_test("Set word spacing and word spacing to font dependent value and verify it works after font change."); +_addTest(function(canvas, ctx) { + + _assertSame(ctx.letterSpacing, '0px', "ctx.letterSpacing", "'0px'"); + _assertSame(ctx.wordSpacing, '0px', "ctx.wordSpacing", "'0px'"); + // Get the width for 'Hello World, again' at default size, 10px. + var width_normal = ctx.measureText('Hello World, again').width; + + ctx.wordSpacing = '1em'; + _assertSame(ctx.wordSpacing, '1em', "ctx.wordSpacing", "'1em'"); + // 1em = 10px. Add 10px after each word in "Hello World, again", + // makes it 20px longer. + var width_with_spacing = ctx.measureText('Hello World, again').width; + _assertSame(width_with_spacing, width_normal + 20, "width_with_spacing", "width_normal + 20"); + + // Changing font to 20px. Without resetting the spacing, 1em wordSpacing + // is now 20px, so it's suppose to be 40px longer without any wordSpacing set. + ctx.font = '20px serif'; + width_with_spacing = ctx.measureText('Hello World, again').width; + // Now calculate the reference spacing for "Hello World, again" with no spacing. + ctx.wordSpacing = '0em'; + width_normal = ctx.measureText('Hello World, again').width; + _assertSame(width_with_spacing, width_normal + 40, "width_with_spacing", "width_normal + 40"); + +}); +</script> + |