coverage tool done?

conftest.py

@@ -8,6 +8,8 @@ from PIL import SpiderImagePlugin
 from PIL import MpegImagePlugin
 from PIL import ImageCms
 from PIL import McIdasImagePlugin
+from PIL import BlpImagePlugin
+from PIL import IcnsImagePlugin
 
 pytest_plugins = ["Tests.helper"]
 
@@ -20,6 +22,8 @@ def calculate_coverage(test_name):
         "branches4": MpegImagePlugin.BitStream.branches,
         "branches5": ImageCms.ImageCmsProfile.branches,
         "branches6": McIdasImagePlugin.McIdasImageFile.branches,
+        "branches7": BlpImagePlugin._BLPBaseDecoder.branches,
+        "branches8": IcnsImagePlugin.branches,
         # Add more
     }
 

src/PIL/BlpImagePlugin.py

@@ -40,6 +40,10 @@ from typing import IO
 
 from . import Image, ImageFile
 
+branches = {
+    "1": False,
+    "2": False,
+}
 
 class Format(IntEnum):
     JPEG = 0
@@ -281,9 +285,11 @@ class _BLPBaseDecoder(ImageFile.PyDecoder):
 
     def decode(self, buffer: bytes) -> tuple[int, int]:
         try:
+            branches["1"] = True;
             self._read_blp_header()
             self._load()
         except struct.error as e:
+            branches["2"] = True;
             msg = "Truncated BLP file"
             raise OSError(msg) from e
         return -1, 0

src/PIL/IcnsImagePlugin.py

@@ -33,6 +33,10 @@ if enable_jpeg2k:
 MAGIC = b"icns"
 HEADERSIZE = 8
 
+branches = {
+    "1": False,
+    "2": False,
+}
 
 def nextheader(fobj):
     return struct.unpack(">4sI", fobj.read(HEADERSIZE))
@@ -44,8 +48,11 @@ def read_32t(fobj, start_length, size):
     fobj.seek(start)
     sig = fobj.read(4)
     if sig != b"\x00\x00\x00\x00":
+        branches["1"] = True;
         msg = "Unknown signature, expecting 0x00000000"
         raise SyntaxError(msg)
+    else:
+        branches["2"] = True;
     return read_32(fobj, (start + 4, length - 4), size)