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Make test more strict

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Vanilagy
2025-11-02 21:56:16 +01:00
parent 68c37b49dc
commit aad31009fe
1 changed files with 8 additions and 12 deletions
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test/browser/transparency.test.ts
+8 -12
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@@ -139,21 +139,18 @@ test('Can encode transparent video', async () => {
probeContext.drawImage(video, 0, 0);
let imageData = probeContext.getImageData(0, 0, probeCanvas.width, probeCanvas.height);
const otherIndex = (100 + 100 * probeCanvas.width) * 4;
console.log('dayte', imageData.data[otherIndex + 3]);
expect(imageData.data[otherIndex + 3]).lessThanOrEqual(2); // Transparent (within error)
const index1 = (100 + 100 * probeCanvas.width) * 4;
expect(imageData.data[index1 + 3]).toBe(0); // Transparent
const pos = { x: 300, y: 300 }; // Dead center in the red square
const index = (pos.x + pos.y * probeCanvas.width) * 4;
const index2 = (pos.x + pos.y * probeCanvas.width) * 4;
// Red (within error)
expect(imageData.data[index + 0]).greaterThanOrEqual(253);
expect(imageData.data[index + 1]).lessThanOrEqual(2);
expect(imageData.data[index + 2]).lessThanOrEqual(2);
expect(imageData.data[index2 + 0]).greaterThanOrEqual(253);
expect(imageData.data[index2 + 1]).lessThanOrEqual(2);
expect(imageData.data[index2 + 2]).lessThanOrEqual(2);
console.log('the other', imageData.data[index + 3]);
expect(imageData.data[index + 3]).greaterThanOrEqual(253); // Opaque (within error)
expect(imageData.data[index2 + 3]).toBe(255); // Opaque
// Let's also check it's read correctly by Mediabunny
using input = new Input({
@@ -174,8 +171,7 @@ test('Can encode transparent video', async () => {
imageData = probeContext.getImageData(0, 0, probeCanvas.width, probeCanvas.height);
console.log('pish', imageData.data[3]);
expect(imageData.data[3]).lessThanOrEqual(2); // Transparent (within error)
expect(imageData.data[3]).toBe(0); // Transparent
});
test('Can encode video with alternating transparency', async () => {