From 874ff62cc30c3c51a6a0d3ea9fe8723d53a26cdd Mon Sep 17 00:00:00 2001
From: Mateusz Guzik <mjguzik@gmail.com>
Date: Thu, 12 Jan 2023 19:37:41 +0000
Subject: [PATCH] Add stat and fstat tests

---
 tests/fstat1.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/fstat2.c | 38 ++++++++++++++++++++++++++++++++++
 tests/stat1.c  | 53 +++++++++++++++++++++++++++++++++++++++++++++++
 tests/stat2.c  | 35 +++++++++++++++++++++++++++++++
 4 files changed, 182 insertions(+)
 create mode 100644 tests/fstat1.c
 create mode 100644 tests/fstat2.c
 create mode 100644 tests/stat1.c
 create mode 100644 tests/stat2.c

diff --git a/tests/fstat1.c b/tests/fstat1.c
new file mode 100644
index 0000000..d8d86ef
--- /dev/null
+++ b/tests/fstat1.c
@@ -0,0 +1,56 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <string.h>
+
+char *testcase_description = "Separate file fstat";
+
+#define template 	"/tmp/willitscale.XXXXXX"
+static char (*tmpfiles)[sizeof(template)];
+static unsigned long local_nr_tasks;
+
+void testcase_prepare(unsigned long nr_tasks)
+{
+	int i;
+	tmpfiles = (char(*)[sizeof(template)])malloc(sizeof(template) * nr_tasks);
+	assert(tmpfiles);
+
+	for (i = 0; i < nr_tasks; i++) {
+		strcpy(tmpfiles[i], template);
+		char *tmpfile = tmpfiles[i];
+		int fd = mkstemp(tmpfile);
+
+		assert(fd >= 0);
+		close(fd);
+	}
+
+	local_nr_tasks = nr_tasks;
+}
+
+void testcase(unsigned long long *iterations, unsigned long nr)
+{
+	char *tmpfile = tmpfiles[nr];
+	struct stat sb;
+	int fd = open(tmpfile, O_RDONLY);
+
+	assert(fd>= 0);
+
+	while (1) {
+		int error = fstat(fd, &sb);
+		assert(error == 0);
+
+		(*iterations)++;
+	}
+}
+
+void testcase_cleanup(void)
+{
+	int i;
+	for (i = 0; i < local_nr_tasks; i++) {
+		unlink(tmpfiles[i]);
+	}
+	free(tmpfiles);
+}
diff --git a/tests/fstat2.c b/tests/fstat2.c
new file mode 100644
index 0000000..28203e7
--- /dev/null
+++ b/tests/fstat2.c
@@ -0,0 +1,38 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <assert.h>
+
+static char tmpfile[] = "/tmp/willitscale.XXXXXX";
+
+char *testcase_description = "Same file fstat";
+
+void testcase_prepare(unsigned long nr_tasks)
+{
+	int fd = mkstemp(tmpfile);
+
+	assert(fd >= 0);
+	close(fd);
+}
+
+void testcase(unsigned long long *iterations, unsigned long nr)
+{
+	struct stat sb;
+	int fd = open(tmpfile, O_RDONLY);
+
+	assert(fd>= 0);
+
+	while (1) {
+		int error = fstat(fd, &sb);
+		assert(error == 0);
+
+		(*iterations)++;
+	}
+}
+
+void testcase_cleanup(void)
+{
+	unlink(tmpfile);
+}
diff --git a/tests/stat1.c b/tests/stat1.c
new file mode 100644
index 0000000..2038d06
--- /dev/null
+++ b/tests/stat1.c
@@ -0,0 +1,53 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <string.h>
+
+char *testcase_description = "Separate file stat";
+
+#define template 	"/tmp/willitscale.XXXXXX"
+static char (*tmpfiles)[sizeof(template)];
+static unsigned long local_nr_tasks;
+
+void testcase_prepare(unsigned long nr_tasks)
+{
+	int i;
+	tmpfiles = (char(*)[sizeof(template)])malloc(sizeof(template) * nr_tasks);
+	assert(tmpfiles);
+
+	for (i = 0; i < nr_tasks; i++) {
+		strcpy(tmpfiles[i], template);
+		char *tmpfile = tmpfiles[i];
+		int fd = mkstemp(tmpfile);
+
+		assert(fd >= 0);
+		close(fd);
+	}
+
+	local_nr_tasks = nr_tasks;
+}
+
+void testcase(unsigned long long *iterations, unsigned long nr)
+{
+	char *tmpfile = tmpfiles[nr];
+	struct stat sb;
+
+	while (1) {
+		int error = stat(tmpfile, &sb);
+		assert(error == 0);
+
+		(*iterations)++;
+	}
+}
+
+void testcase_cleanup(void)
+{
+	int i;
+	for (i = 0; i < local_nr_tasks; i++) {
+		unlink(tmpfiles[i]);
+	}
+	free(tmpfiles);
+}
diff --git a/tests/stat2.c b/tests/stat2.c
new file mode 100644
index 0000000..0391a12
--- /dev/null
+++ b/tests/stat2.c
@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <assert.h>
+
+static char tmpfile[] = "/tmp/willitscale.XXXXXX";
+
+char *testcase_description = "Same file stat";
+
+void testcase_prepare(unsigned long nr_tasks)
+{
+	int fd = mkstemp(tmpfile);
+
+	assert(fd >= 0);
+	close(fd);
+}
+
+void testcase(unsigned long long *iterations, unsigned long nr)
+{
+	struct stat sb;
+
+	while (1) {
+		int error = stat(tmpfile, &sb);
+		assert(error == 0);
+
+		(*iterations)++;
+	}
+}
+
+void testcase_cleanup(void)
+{
+	unlink(tmpfile);
+}