1 files changed, 61 insertions, 0 deletions
diff --git a/library/cropperjs/test/specs/options/cropstart.spec.js b/library/cropperjs/test/specs/options/cropstart.spec.js
new file mode 100644
index 000000000..cc261afb1
--- /dev/null
+++ b/library/cropperjs/test/specs/options/cropstart.spec.js
@@ -0,0 +1,61 @@
+describe('cropstart (option)', () => {
+  const POINTER_DOWN = window.PointerEvent ? 'pointerdown' : 'mousedown';
+  const POINTER_MOVE = window.PointerEvent ? 'pointermove' : 'mousemove';
+  const POINTER_UP = window.PointerEvent ? 'pointerup' : 'mouseup';
+
+  it('should be `null` be default', () => {
+    const image = window.createImage();
+    const cropper = new Cropper(image);
+
+    expect(cropper.options.cropstart).to.be.null;
+  });
+
+  it('should execute the `cropstart` hook function', (done) => {
+    const image = window.createImage();
+    const cropper = new Cropper(image, {
+      ready() {
+        const { dragBox } = cropper;
+
+        dragBox.dispatchEvent(window.createEvent(POINTER_DOWN));
+        dragBox.dispatchEvent(window.createEvent(POINTER_MOVE));
+        dragBox.dispatchEvent(window.createEvent(POINTER_UP));
+      },
+
+      cropstart(event) {
+        expect(event.type).to.equal('cropstart');
+        expect(event.detail).to.be.an('object').that.has.all.keys(['action', 'originalEvent']);
+        expect(event.detail.action).to.equal('crop');
+        expect(event.detail.originalEvent.type).to.equal(POINTER_DOWN);
+        done();
+      },
+    });
+
+    expect(cropper.options.cropstart).to.be.a('function');
+  });
+
+  it('should not execute the `cropmove` and `cropend` callback function when default prevented', (done) => {
+    const image = window.createImage();
+    const cropper = new Cropper(image, {
+      ready() {
+        const { dragBox } = cropper;
+
+        dragBox.dispatchEvent(window.createEvent(POINTER_DOWN));
+        dragBox.dispatchEvent(window.createEvent(POINTER_MOVE));
+        dragBox.dispatchEvent(window.createEvent(POINTER_UP));
+      },
+
+      cropstart(event) {
+        event.preventDefault();
+        done();
+      },
+
+      cropmove() {
+        expect.fail(1, 0);
+      },
+
+      cropend() {
+        expect.fail(1, 0);
+      },
+    });
+  });
+});