From 4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 9 Apr 2024 15:34:27 +0200
Subject: Adding upstream version 1:2.43.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/perf/p7821-grep-engines-fixed.sh | 74 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100755 t/perf/p7821-grep-engines-fixed.sh

(limited to 't/perf/p7821-grep-engines-fixed.sh')

diff --git a/t/perf/p7821-grep-engines-fixed.sh b/t/perf/p7821-grep-engines-fixed.sh
new file mode 100755
index 0000000..61e41b8
--- /dev/null
+++ b/t/perf/p7821-grep-engines-fixed.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+test_description="Comparison of git-grep's regex engines with -F
+
+Set GIT_PERF_7821_GREP_OPTS in the environment to pass options to
+git-grep. Make sure to include a leading space,
+e.g. GIT_PERF_7821_GREP_OPTS=' -w'. See p7820-grep-engines.sh for more
+options to try.
+
+If GIT_PERF_7821_THREADS is set to a list of threads (e.g. '1 4 8'
+etc.) we will test the patterns under those numbers of threads.
+"
+
+. ./perf-lib.sh
+
+test_perf_large_repo
+test_checkout_worktree
+
+if test -n "$GIT_PERF_GREP_THREADS"
+then
+	test_set_prereq PERF_GREP_ENGINES_THREADS
+fi
+
+for pattern in 'int' 'uncommon' 'æ'
+do
+	for engine in fixed basic extended perl
+	do
+		if test $engine = "perl" && ! test_have_prereq PCRE
+		then
+			prereq="PCRE"
+		else
+			prereq=""
+		fi
+		if ! test_have_prereq PERF_GREP_ENGINES_THREADS
+		then
+			test_perf $prereq "$engine grep$GIT_PERF_7821_GREP_OPTS $pattern" "
+				git -c grep.patternType=$engine grep$GIT_PERF_7821_GREP_OPTS $pattern >'out.$engine' || :
+			"
+		else
+			for threads in $GIT_PERF_GREP_THREADS
+			do
+				test_perf PTHREADS,$prereq "$engine grep$GIT_PERF_7821_GREP_OPTS $pattern with $threads threads" "
+					git -c grep.patternType=$engine -c grep.threads=$threads grep$GIT_PERF_7821_GREP_OPTS $pattern >'out.$engine.$threads' || :
+				"
+			done
+		fi
+	done
+
+	if ! test_have_prereq PERF_GREP_ENGINES_THREADS
+	then
+		test_expect_success "assert that all engines found the same for$GIT_PERF_7821_GREP_OPTS $pattern" '
+			test_cmp out.fixed out.basic &&
+			test_cmp out.fixed out.extended &&
+			if test_have_prereq PCRE
+			then
+				test_cmp out.fixed out.perl
+			fi
+		'
+	else
+		for threads in $GIT_PERF_GREP_THREADS
+		do
+			test_expect_success PTHREADS "assert that all engines found the same for$GIT_PERF_7821_GREP_OPTS $pattern under threading" "
+				test_cmp out.fixed.$threads out.basic.$threads &&
+				test_cmp out.fixed.$threads out.extended.$threads &&
+				if test_have_prereq PCRE
+				then
+					test_cmp out.fixed.$threads out.perl.$threads
+				fi
+			"
+		done
+	fi
+done
+
+test_done
-- 
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