describe('zoom (method)', () => {
|
it('should zoom with the given offset ratio', (done) => {
|
const image = window.createImage();
|
const viewer = new Viewer(image, {
|
inline: true,
|
|
viewed() {
|
const { imageData } = viewer;
|
const { width } = imageData;
|
|
viewer.zoom(0.1);
|
expect(imageData.width).to.be.above(width);
|
viewer.zoom(-0.2);
|
expect(imageData.width).to.be.below(width);
|
viewer.hide(true);
|
done();
|
},
|
});
|
});
|
|
it('should not work when it is not zoomable', (done) => {
|
const image = window.createImage();
|
const viewer = new Viewer(image, {
|
inline: true,
|
zoomable: false,
|
|
viewed() {
|
const { imageData } = viewer;
|
const { width } = imageData;
|
|
viewer.zoom(0.1);
|
expect(imageData.width).to.equal(width);
|
done();
|
},
|
});
|
});
|
});
|