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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/reftests/canvas/dash-sanity.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/reftests/canvas/dash-sanity.html')
| -rw-r--r-- | layout/reftests/canvas/dash-sanity.html | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/layout/reftests/canvas/dash-sanity.html b/layout/reftests/canvas/dash-sanity.html new file mode 100644 index 0000000000..779fbdeeef --- /dev/null +++ b/layout/reftests/canvas/dash-sanity.html @@ -0,0 +1,98 @@ +<html> +<head> + <script type="text/javascript"> +function assert(cond, msg) { if (!cond) { throw msg; } } +window.onload = function() { + try { + var ctx = document.getElementById("c1").getContext("2d"); + + assert(0 === ctx.getLineDash().length, + "Default dash is [ ] (none)"); + assert(0 === ctx.lineDashOffset, + "Default dashOffset is 0 (none)"); + + ctx.setLineDash([ 2 ]); + assert(2 === ctx.getLineDash().length && + 2 === ctx.getLineDash()[0] && + 2 === ctx.getLineDash()[1], + "dash = [ 2 ] works"); + ctx.setLineDash([ 2 ]); + ctx.setLineDash([ ]); + assert(0 === ctx.getLineDash().length, + "dash = [ ] works"); + ctx.setLineDash([ 2 ]); + ctx.setLineDash([ 0, 0, 0 ]); + assert(6 === ctx.getLineDash().length, + 0 === ctx.getLineDash()[0] && + 0 === ctx.getLineDash()[1] && + 0 === ctx.getLineDash()[2] && + 0 === ctx.getLineDash()[3] && + 0 === ctx.getLineDash()[4] && + 0 === ctx.getLineDash()[5], + "dash = [ 0, 0, 0 ] works"); + + ctx.setLineDash([ 2 ]); + assert(0 === ctx.lineDashOffset, "dashOffset is 0"); + ctx.lineDashOffset = 1; + assert(1 === ctx.lineDashOffset, "Setting dashOffset succeeded"); + ctx.setLineDash([ ]); + assert(1 === ctx.lineDashOffset, "Changing dash does not reset dashOffset"); + + // NB: might want to add a |.dash = number| special case, + // don't test that it fails here. Might also want to add a + // |.dash = [0]| special case for resetting, so don't test + // that either. + var badVals = [ -1, + null, + undefined, + "", + "string", + { obj: true }, + function() {} + ] + ctx.setLineDash([ 2 ]); + for (var i = 0; i < badVals.length; ++i) { + var error = false; + try { ctx.setLineDash(badVals[i]); } + catch(e) { error = true; } + assert(error && + 2 === ctx.getLineDash().length && + 2 === ctx.getLineDash()[0] && + 2 === ctx.getLineDash()[1], + "Expected setLineDash("+ badVals[i] +") to throw exception and not change dash"); + } + + var ignoredVals = [ + [ "array of string" ], + [ -1 ], + [ 2, "string" ], + ]; + ctx.setLineDash([ 2 ]); + for (var i = 0; i < ignoredVals.length; ++i) { + ctx.setLineDash(ignoredVals[i]); + assert(2 === ctx.getLineDash().length && + 2 === ctx.getLineDash()[0] && + 2 === ctx.getLineDash()[1], + "Expected |setLineDash(" + ignoredVals[i] + ") to not change dash"); + } + + ctx.setLineDash([ 2 ]); + ctx.save(); + ctx.setLineDash([ 1, 1, 1, 1 ]); + ctx.restore(); + assert(2 === ctx.getLineDash().length && + 2 === ctx.getLineDash()[0] && + 2 === ctx.getLineDash()[1], + "dash was saved then restored"); + } catch (e) { + document.body.innerHTML = "FAIL: "+ e.toString(); + return; + } + document.body.innerHTML = "Pass"; +} + </script> +</head> +<body> + <div><canvas id="c1" width="300" height="300"></canvas></div> +</body> +</html> |