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Add limitInputPixels option to reject input #115

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Lovell Fuller
2015-01-20 14:18:05 +00:00
parent c93f79daa7
commit 8421e3aa5f
4 changed files with 108 additions and 4 deletions
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68
test/unit/io.js
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@@ -524,4 +524,72 @@ describe('Input/output', function() {
});
}
describe('Limit pixel count of input image', function() {
it('Invalid fails - negative', function(done) {
var isValid = false;
try {
sharp().limitInputPixels(-1);
isValid = true;
} catch (e) {}
assert(!isValid);
done();
});
it('Invalid fails - float', function(done) {
var isValid = false;
try {
sharp().limitInputPixels(12.3);
isValid = true;
} catch (e) {}
assert(!isValid);
done();
});
it('Invalid fails - huge', function(done) {
var isValid = false;
try {
sharp().limitInputPixels(Math.pow(0x3FFF, 2) + 1);
isValid = true;
} catch (e) {}
assert(!isValid);
done();
});
it('Invalid fails - string', function(done) {
var isValid = false;
try {
sharp().limitInputPixels('fail');
isValid = true;
} catch (e) {}
assert(!isValid);
done();
});
it('Same size as input works', function(done) {
sharp(fixtures.inputJpg).metadata(function(err, metadata) {
if (err) throw err;
sharp(fixtures.inputJpg)
.limitInputPixels(metadata.width * metadata.height)
.toBuffer(function(err) {
assert.strictEqual(true, !err);
done();
});
});
});
it('Smaller than input fails', function(done) {
sharp(fixtures.inputJpg).metadata(function(err, metadata) {
if (err) throw err;
sharp(fixtures.inputJpg)
.limitInputPixels(metadata.width * metadata.height - 1)
.toBuffer(function(err) {
assert.strictEqual(true, !!err);
done();
});
});
});
});
});