Add the helper test-read-cache, which can be used to call read_cache and
discard_cache in a loop as well as a performance check based on it.
Signed-off-by: René Scharfe <rene.scharfe@xxxxxxxxxxxxxx>
---
.gitignore | 1 +
Makefile | 1 +
t/perf/p0002-read-cache.sh | 14 ++++++++++++++
test-read-cache.c | 13 +++++++++++++
4 files changed, 29 insertions(+)
create mode 100755 t/perf/p0002-read-cache.sh
create mode 100644 test-read-cache.c
diff --git a/.gitignore b/.gitignore
index 1640c3a..c0e00eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -191,6 +191,7 @@
/test-mktemp
/test-parse-options
/test-path-utils
+/test-read-cache
/test-regex
/test-revision-walking
/test-run-command
diff --git a/Makefile b/Makefile
index a748133..2e3b4ee 100644
--- a/Makefile
+++ b/Makefile
@@ -572,6 +572,7 @@ TEST_PROGRAMS_NEED_X += test-mergesort
TEST_PROGRAMS_NEED_X += test-mktemp
TEST_PROGRAMS_NEED_X += test-parse-options
TEST_PROGRAMS_NEED_X += test-path-utils
+TEST_PROGRAMS_NEED_X += test-read-cache
TEST_PROGRAMS_NEED_X += test-regex
TEST_PROGRAMS_NEED_X += test-revision-walking
TEST_PROGRAMS_NEED_X += test-run-command
diff --git a/t/perf/p0002-read-cache.sh b/t/perf/p0002-read-cache.sh
new file mode 100755
index 0000000..9180ae9
--- /dev/null
+++ b/t/perf/p0002-read-cache.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+test_description="Tests performance of reading the index"
+
+. ./perf-lib.sh
+
+test_perf_default_repo
+
+count=1000
+test_perf "read_cache/discard_cache $count times" "
+ test-read-cache $count
+"
+
+test_done
diff --git a/test-read-cache.c b/test-read-cache.c
new file mode 100644
index 0000000..b25bcf1
--- /dev/null
+++ b/test-read-cache.c
@@ -0,0 +1,13 @@
+#include "cache.h"
+
+int main (int argc, char **argv)
+{
+ int i, cnt = 1;
+ if (argc == 2)
+ cnt = strtol(argv[1], NULL, 0);
+ for (i = 0; i < cnt; i++) {
+ read_cache();
+ discard_cache();
+ }
+ return 0;
+}
--
1.8.3
--
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