Sort ZIPs by size descending before processing

tests/zip_images_resize_recursive.bats

@@ -53,6 +53,29 @@ teardown() {
     assert_equal "$(grep -c 'Resized' <<<"$output")" "2"
 }
 
+@test "processes ZIPs in descending size order" {
+    # Create ZIPs of different sizes by varying image dimensions
+    local small medium large
+    small="$TEST_WORKDIR/small.zip"
+    medium="$TEST_WORKDIR/medium.zip"
+    large="$TEST_WORKDIR/large.zip"
+
+    convert -size 50x50   xc:gray "$TEST_WORKDIR/s.jpg"
+    convert -size 100x100 xc:gray "$TEST_WORKDIR/m.jpg"
+    convert -size 200x200 xc:gray "$TEST_WORKDIR/l.jpg"
+    (cd "$TEST_WORKDIR" && zip -q small.zip  s.jpg)
+    (cd "$TEST_WORKDIR" && zip -q medium.zip m.jpg)
+    (cd "$TEST_WORKDIR" && zip -q large.zip  l.jpg)
+
+    run "$SCRIPT" "$TEST_WORKDIR"
+    assert_success
+
+    # Extract the order ZIPs were processed from the output
+    local order
+    order=$(grep 'Processing file' <<<"$output" | grep -o '[a-z]*.zip' | tr '\n' ' ')
+    assert_equal "$order" "large.zip medium.zip small.zip "
+}
+
 @test "no temp files left in /dev/shm after recursive run" {
     make_zip "$TEST_WORKDIR/a.zip" "$FIXTURES/unprocessed.jpg"
     make_zip "$TEST_WORKDIR/b.zip" "$FIXTURES/processed.jpg"