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Merge pull request #21206 from Snuffleupagus/unittest-11878-hash

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Improve performance of the "caches image resources at the document/page level as expected (issue 11878)" unit-test
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Tim van der Meij 2026-04-30 16:19:59 +02:00 committed by GitHub
commit 468d38e17c
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1 changed files with 7 additions and 4 deletions
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11
test/unit/api_spec.js
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@ -4844,7 +4844,8 @@ have written that much by now. So, here’s to squashing bugs.`);
const pdfDoc = await loadingTask.promise; const pdfDoc = await loadingTask.promise;
const { canvasFactory } = pdfDoc; const { canvasFactory } = pdfDoc;
let checkedCopyLocalImage = false, let checkedCopyLocalImage = false,
firstImgData = null; firstImgData = null,
firstImg32 = null;
for (let i = 1; i <= pdfDoc.numPages; i++) { for (let i = 1; i <= pdfDoc.numPages; i++) {
const pdfPage = await pdfDoc.getPage(i); const pdfPage = await pdfDoc.getPage(i);
@ -4895,6 +4896,8 @@ have written that much by now. So, here’s to squashing bugs.`);
expect(firstImgData.kind).toEqual(ImageKind.RGB_24BPP); expect(firstImgData.kind).toEqual(ImageKind.RGB_24BPP);
expect(firstImgData.data).toBeInstanceOf(Uint8ClampedArray); expect(firstImgData.data).toBeInstanceOf(Uint8ClampedArray);
expect(firstImgData.data.length).toEqual(25245000); expect(firstImgData.data.length).toEqual(25245000);
firstImg32 = new Uint32Array(firstImgData.data.buffer);
} else { } else {
const objsPool = i >= NUM_PAGES_THRESHOLD ? commonObjs : objs; const objsPool = i >= NUM_PAGES_THRESHOLD ? commonObjs : objs;
const currentImgData = objsPool.get(objId); const currentImgData = objsPool.get(objId);
@ -4906,10 +4909,10 @@ have written that much by now. So, here’s to squashing bugs.`);
expect(currentImgData.kind).toEqual(firstImgData.kind); expect(currentImgData.kind).toEqual(firstImgData.kind);
expect(currentImgData.data).toBeInstanceOf(Uint8ClampedArray); expect(currentImgData.data).toBeInstanceOf(Uint8ClampedArray);
const currentImg32 = new Uint32Array(currentImgData.data.buffer);
expect( expect(
currentImgData.data.every( currentImg32.every((value, index) => value === firstImg32[index])
(value, index) => value === firstImgData.data[index]
)
).toEqual(true); ).toEqual(true);
if (i === NUM_PAGES_THRESHOLD) { if (i === NUM_PAGES_THRESHOLD) {