# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2019-02-04 17:37:09
# Node ID dddf534733150e7f523fbad357dde05151f90338
# Parent  8d4ee2d9ffb8df148091e07fd08d6eefbcde7b61

tests: use raw strings for regular expressions with escapes

Avoids SyntaxWarning on Python 3.8.

Differential Revision: https://phab.mercurial-scm.org/D5828

diff --git a/tests/hghave.py b/tests/hghave.py
--- a/tests/hghave.py
+++ b/tests/hghave.py
@@ -722,7 +722,7 @@ def has_fuzzywuzzy():
 
 @check("clang-libfuzzer", "clang new enough to include libfuzzer")
 def has_clang_libfuzzer():
-    mat = matchoutput('clang --version', b'clang version (\d)')
+    mat = matchoutput('clang --version', br'clang version (\d)')
     if mat:
         # libfuzzer is new in clang 6
         return int(mat.group(1)) > 5
@@ -730,7 +730,7 @@ def has_clang_libfuzzer():
 
 @check("clang-6.0", "clang 6.0 with version suffix (libfuzzer included)")
 def has_clang60():
-    return matchoutput('clang-6.0 --version', b'clang version 6\.')
+    return matchoutput('clang-6.0 --version', br'clang version 6\.')
 
 @check("xdiff", "xdiff algorithm")
 def has_xdiff():
@@ -811,7 +811,7 @@ def has_sqlite():
         # WITH clause not supported
         return False
 
-    return matchoutput('sqlite3 -version', b'^3\.\d+')
+    return matchoutput('sqlite3 -version', br'^3\.\d+')
 
 @check('vcr', 'vcr http mocking library')
 def has_vcr():