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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /layout/reftests/canvas/ctm-sanity.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/reftests/canvas/ctm-sanity.html')
| -rw-r--r-- | layout/reftests/canvas/ctm-sanity.html | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/layout/reftests/canvas/ctm-sanity.html b/layout/reftests/canvas/ctm-sanity.html new file mode 100644 index 000000000..19990f24a --- /dev/null +++ b/layout/reftests/canvas/ctm-sanity.html @@ -0,0 +1,83 @@ +<html> +<head> + <script type="text/javascript"> + +function assert(cond, msg) { if (!cond) { throw msg; } } + +function isSameTM(m1, m2) { + // XXX this is probably the ugliest possible way to write this function, + // but it's intended to be lowest-common-denominator + if (!(m1.length === 6 && m1.length === m2.length)) { + return false; + } + for (var i = 0; i < m1.length; ++i) { + if (m1[i] !== m2[i]) { + return false; + } + } + return true; +} + +window.onload = function() { + var IM = [ 1, 0, 0, 1, 0, 0 ]; + + try { + var ctx = document.getElementById("c1").getContext("2d"); + + assert(isSameTM(IM, ctx.mozCurrentTransform), + "currentTransform is identity by default"); + assert(isSameTM(IM, ctx.mozCurrentTransformInverse), + "currentTransformInverse is identity by default"); + + var m = [ 1, 2, 3, 4, 5, 6 ]; + ctx.mozCurrentTransform = m; + assert(isSameTM(m, ctx.mozCurrentTransform), + "currentTransform successfully set"); + var badVals = [ -1, + "string", + { obj: true }, + [ "array of string" ], + [ -1 ], + [ "string", 1, 2, 3, 4, 5 ], + [ { obj: true }, 1, 2, 3, 4, 5 ], + ]; + for (var i = 0; i < badVals.length; ++i) { + var error = false; + try { ctx.mozCurrentTransform = badVals[i]; } + catch(e) { error = true; } + assert(error && isSameTM(m, ctx.mozCurrentTransform), + "Expected |currentTransform = "+ badVals[i] +"| to throw exception and not change .currentTransform"); + + error = false; + try { ctx.mozCurrentTransformInverse = badVals[i]; } + catch(e) { error = true; } + assert(error && isSameTM(m, ctx.mozCurrentTransform), + "Expected |currentTransformInverse = "+ badVals[i] +"| to throw exception and not change .currentTransform"); + } + ctx.mozCurrentTransform = IM; + + var noopVals = [ [ Number.NaN, 1, 2, 3, 4, 5 ], + [ Infinity, 1, 2, 3, 4, 5 ], + ]; + for (var i = 0; i < noopVals.length; ++i) { + ctx.mozCurrentTransform = noopVals[i]; + assert(isSameTM(ctx.mozCurrentTransform, IM), + "Illegal float values result in no-ops (sigh)"); + } + ctx.mozCurrentTransform = IM; + + ctx.setTransform(m[0], m[1], m[2], m[3], m[4], m[5]); + assert(isSameTM(ctx.mozCurrentTransform, m), + "setTransform() updates currentTransform"); + } 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> |