grep branch, master, updated. v3.1-52-g41d17c3

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=41d17c3f0ef3043c66f40349358fe9e88ca48582


commit 41d17c3f0ef3043c66f40349358fe9e88ca48582
Author: Jim Meyering <address@hidden>
Date:   Sun Dec 16 14:01:18 2018 -0800

    tests: reenable the surrogate-pair test
    
    This reverts commit bdb98cec2e7bf255e1d00eaf8be16299f7bf571e,
    but adding the comment changes suggested by Bruno Haible in
    https://lists.gnu.org/r/grep-devel/2018-12/msg00037.html
    * tests/surrogate-pair: New file.
    * tests/Makefile.am (TESTS): List it.

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 872024f..a7e8f27 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -153,6 +153,7 @@ TESTS =                                             \
   spencer1-locale                              \
   stack-overflow                               \
   status                                       \
+  surrogate-pair                               \
   symlink                                      \
   triple-backref                               \
   turkish-I                                    \
diff --git a/tests/surrogate-pair b/tests/surrogate-pair
new file mode 100755
index 0000000..34e569b
--- /dev/null
+++ b/tests/surrogate-pair
@@ -0,0 +1,44 @@
+#!/bin/sh
+# Check the handling of characters outside the Unicode BMP.
+# Known failures: This test currently fails on Cygwin and AIX.
+
+# Copyright (C) 2013-2018 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+fail=0
+
+printf '\360\220\220\205\n' > in || framework_failure_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+# On Cygwin, before grep-2.15, this would segfault.
+# Require not just non-zero exit status, but exactly 1.
+returns_ 1 grep -i anything-else in > out 2>&1 || fail=1
+# Expect no output.
+compare /dev/null out || fail=1
+
+# Also test whether a surrogate-pair in the search string works.
+for opt in '' -i -E -F -iE -iF; do
+  grep --file=in $opt in > out 2>&1 || fail=1
+  compare out in || fail=1
+done
+
+Exit $fail

-----------------------------------------------------------------------

Summary of changes:
 tests/Makefile.am                          |  1 +
 tests/{z-anchor-newline => surrogate-pair} | 36 ++++++++++++++++--------------
 2 files changed, 20 insertions(+), 17 deletions(-)
 copy tests/{z-anchor-newline => surrogate-pair} (55%)


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