From 28752e9ea5d6644a14f7043e8d6c8c0f18481198 Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Fri, 12 Apr 2019 15:37:57 +0100
Subject: [PATCH] TEST: test makeWriteable
---
tests/test_fsl_data_utils.py | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/tests/test_fsl_data_utils.py b/tests/test_fsl_data_utils.py
index 3fd02a8f9..1ef030bd2 100644
--- a/tests/test_fsl_data_utils.py
+++ b/tests/test_fsl_data_utils.py
@@ -9,6 +9,8 @@ import shutil
import os
import os.path as op
+import numpy as np
+
import fsl.utils.tempdir as tempdir
import fsl.data.utils as dutils
@@ -105,3 +107,22 @@ def test_guessType():
asrt('norecognise.txt', None)
os.remove('norecognise')
os.remove('norecognise.txt')
+
+
+def test_makeWriteable():
+ robuf = bytes( b'\01\02\03\04')
+ wbuf = bytearray(b'\01\02\03\04')
+
+ roarr = np.ndarray((4,), dtype=np.uint8, buffer=robuf)
+ warr = np.ndarray((4,), dtype=np.uint8, buffer=wbuf)
+
+ warr.flags['WRITEABLE'] = False
+
+ rocopy = dutils.makeWriteable(roarr)
+ wcopy = dutils.makeWriteable(warr)
+
+ assert rocopy.base is not roarr.base
+ assert wcopy .base is warr .base
+
+ rocopy[1] = 100
+ wcopy[ 1] = 100
--
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