StringProcessing: Fix single-backslash bug

Bug fixed in function unescape(). Fixes #483.
coala · Apr 26, 2015 · b982315 · b982315 · sils · Apr 26, 2015
1 parent 4ff6ebc
commit b982315
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diff --git a/coalib/parsing/StringProcessing.py b/coalib/parsing/StringProcessing.py
@@ -365,6 +365,9 @@ def unescape(string):
 
     :param string: The string to unescape.
     """
+    if string == "\\":
+        return ""
+
     regex = r"\\(.)"
 
     def replacement_function(match):

diff --git a/coalib/tests/parsing/StringProcessingTest.py b/coalib/tests/parsing/StringProcessingTest.py
@@ -491,7 +491,7 @@ def set_up_unescape(self):
             r"out1           'str1''str2''str3' out2",
             r"",
             r"out1 out2 out3",
-            self.bs,
+            r"",
             self.bs]
 
     def assertSearchForResultEqual(self,