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Tests: add assertion to existing scenario #3357

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Lovell Fuller 2022-09-29 14:21:37 +01:00
parent 891cf67d0b
commit 1b0eb6ab53
1 changed files with 18 additions and 4 deletions
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22
test/unit/png.js
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@ -128,11 +128,25 @@ describe('PNG', function () {
assert.strictEqual(alphaMeanAfter, alphaMeanBefore); assert.strictEqual(alphaMeanAfter, alphaMeanBefore);
}); });
it('palette decode/encode roundtrip', () => it('palette decode/encode roundtrip', async () => {
sharp(fixtures.inputPngPalette) const data = await sharp(fixtures.inputPngPalette)
.png({ effort: 1, palette: true }) .png({ effort: 1, palette: true })
.toBuffer() .toBuffer();
);
const { size, ...metadata } = await sharp(data).metadata();
assert.deepStrictEqual(metadata, {
format: 'png',
width: 68,
height: 68,
space: 'srgb',
channels: 3,
depth: 'uchar',
isProgressive: false,
paletteBitDepth: 8,
hasProfile: false,
hasAlpha: false
});
});
it('Valid PNG libimagequant palette value does not throw error', function () { it('Valid PNG libimagequant palette value does not throw error', function () {
assert.doesNotThrow(function () { assert.doesNotThrow(function () {