--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_extractimage.py	Mon Sep 15 11:44:09 2025 +0200
@@ -0,0 +1,57 @@
+"""
+Extract images from a PDF file, confirm number of images found.
+"""
+import os
+import pymupdf
+
+scriptdir = os.path.abspath(os.path.dirname(__file__))
+filename = os.path.join(scriptdir, "resources", "joined.pdf")
+known_image_count = 21
+
+
+def test_extract_image():
+    doc = pymupdf.open(filename)
+
+    image_count = 1
+    for xref in range(1, doc.xref_length() - 1):
+        if doc.xref_get_key(xref, "Subtype")[1] != "/Image":
+            continue
+        img = doc.extract_image(xref)
+        if isinstance(img, dict):
+            image_count += 1
+
+    assert image_count == known_image_count  # this number is know about the file
+
+def test_2348():
+    
+    pdf_path = f'{scriptdir}/test_2348.pdf'
+    document = pymupdf.open()
+    page = document.new_page(width=500, height=842)
+    rect = pymupdf.Rect(20, 20, 480, 820)
+    page.insert_image(rect, filename=f'{scriptdir}/resources/nur-ruhig.jpg')
+    page = document.new_page(width=500, height=842)
+    page.insert_image(rect, filename=f'{scriptdir}/resources/img-transparent.png')
+    document.ez_save(pdf_path)
+    document.close()
+
+    document = pymupdf.open(pdf_path)
+    page = document[0]
+    imlist = page.get_images()
+    image = document.extract_image(imlist[0][0])
+    jpeg_extension = image['ext']
+
+    page = document[1]
+    imlist = page.get_images()
+    image = document.extract_image(imlist[0][0])
+    png_extension = image['ext']
+    
+    print(f'jpeg_extension={jpeg_extension!r} png_extension={png_extension!r}')
+    assert jpeg_extension == 'jpeg'
+    assert png_extension == 'png'
+
+def test_delete_image():
+
+    doc = pymupdf.open(os.path.abspath(f'{__file__}/../../tests/resources/test_delete_image.pdf'))
+    page = doc[0]
+    xref = page.get_images()[0][0]
+    page.delete_image(xref)