[PATCH 4/9] tests/acceptance: Extract image_expand() helper

[Philippe Mathieu-Daudé]

To be able to expand an image to a non-power-of-2 value,
extract image_expand() from image_pow2ceil_expand().

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 tests/acceptance/boot_linux_console.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/tests/acceptance/boot_linux_console.py 
b/tests/acceptance/boot_linux_console.py
index 20d57c1a8c6..61069f0064f 100644
--- a/tests/acceptance/boot_linux_console.py
+++ b/tests/acceptance/boot_linux_console.py
@@ -35,15 +35,19 @@
 def pow2ceil(x):
     return 1 if x == 0 else 2**(x - 1).bit_length()
 
+"""
+Expand file size
+"""
+def image_expand(path, size):
+    if size != os.path.getsize(path):
+        with open(path, 'ab+') as fd:
+            fd.truncate(size)
+
 """
 Expand file size to next power of 2
 """
 def image_pow2ceil_expand(path):
-        size = os.path.getsize(path)
-        size_aligned = pow2ceil(size)
-        if size != size_aligned:
-            with open(path, 'ab+') as fd:
-                fd.truncate(size_aligned)
+    image_expand(path, pow2ceil(os.path.getsize(path)))
 
 class LinuxKernelTest(Test):
     KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
-- 
2.31.1