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Date: Thu, 25 Apr 2013 14:04:58 +0300
From: Alexandru Copot <alex.mihai.c@...il.com>
To: linux-kernel@...r.kernel.org
Cc: netdev@...r.kernel.org, akpm@...ux-foundation.org,
davem@...emloft.net, willemb@...gle.com, dborkman@...hat.com,
ebiederm@...ssion.com, gorcunov@...nvz.org, palewis@...be.com,
edumazet@...gle.com, Alexandru Copot <alex.mihai.c@...il.com>,
Daniel Baluta <dbaluta@...acom.com>
Subject: [PATCH 1/3 RFC v2] selftests: introduce testing abstractions
Signed-of-by Alexandru Copot <alex.mihai.c@...il.com>
Cc: Daniel Baluta <dbaluta@...acom.com>
---
tools/testing/selftests/Makefile | 3 +-
tools/testing/selftests/lib/Makefile | 14 +++++++
tools/testing/selftests/lib/selftests.c | 57 ++++++++++++++++++++++++++++
tools/testing/selftests/lib/selftests.h | 67 +++++++++++++++++++++++++++++++++
4 files changed, 140 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/lib/Makefile
create mode 100644 tools/testing/selftests/lib/selftests.c
create mode 100644 tools/testing/selftests/lib/selftests.h
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index a480593..e0fccd9 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -1,4 +1,5 @@
-TARGETS = breakpoints
+TARGETS = lib
+TARGETS += breakpoints
TARGETS += kcmp
TARGETS += mqueue
TARGETS += vm
diff --git a/tools/testing/selftests/lib/Makefile b/tools/testing/selftests/lib/Makefile
new file mode 100644
index 0000000..9c81d0c
--- /dev/null
+++ b/tools/testing/selftests/lib/Makefile
@@ -0,0 +1,14 @@
+
+CFLAGS = -Wall -O2 -c -g
+
+selftests.a: selftests.o
+ ar qc $@ $^
+
+%.c: %.h
+
+%.o: %.c
+ $(CC) $(CFLAGS) -o $@ $^
+
+clean:
+ rm -rf *.o *.a
+
diff --git a/tools/testing/selftests/lib/selftests.c b/tools/testing/selftests/lib/selftests.c
new file mode 100644
index 0000000..1a65785
--- /dev/null
+++ b/tools/testing/selftests/lib/selftests.c
@@ -0,0 +1,57 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "selftests.h"
+
+test_result_t __assert(int expr, const char *filename, int line, const char *fmt, ...)
+{
+ va_list vl;
+ const char *m;
+ char msg[BUFSIZ];
+
+ if (expr)
+ return TEST_PASS;
+
+ fprintf(stderr, "\n(%s:%d) ", filename, line);
+
+ va_start(vl, fmt);
+ m = va_arg(vl, char *);
+ if (!m)
+ m = fmt;
+ else
+ fprintf(stderr, "%s ", fmt);
+
+ vsnprintf(msg, sizeof msg, m, vl);
+ va_end(vl);
+
+ fprintf(stderr, "%s\n", msg);
+
+ return TEST_FAIL;
+}
+
+test_result_t run_all_tests(struct generic_test *test, void *param)
+{
+ int i;
+ char *ptr = test->testcases;
+ test_result_t rc = TEST_PASS;
+
+ rc = test->prepare ? test->prepare(param) : 0;
+ if (rc == TEST_FAIL)
+ return rc;
+
+ fprintf(stderr, "Testing: %s ", test->name);
+ for (i = 0; i < test->testcase_count; i++) {
+
+ rc |= test->run(ptr);
+ ptr += test->testcase_size;
+
+ if (rc == TEST_FAIL && test->abort_on_fail) {
+ fprintf(stderr, "Test aborted\n");
+ break;
+ }
+ }
+
+ fprintf(stderr, "\t\t%s\n", rc ? "[FAIL]" : "[PASS]");
+ return rc;
+}
+
diff --git a/tools/testing/selftests/lib/selftests.h b/tools/testing/selftests/lib/selftests.h
new file mode 100644
index 0000000..6210199
--- /dev/null
+++ b/tools/testing/selftests/lib/selftests.h
@@ -0,0 +1,67 @@
+#ifndef SELFTESTS_H
+#define SELFTESTS_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+typedef enum test_result {
+ TEST_PASS = 0,
+ TEST_FAIL,
+} test_result_t;
+
+test_result_t __assert(int expr, const char *filename, int line, const char *fmt, ...);
+
+#define abort(cond) do { \
+ if (!(cond)) { \
+ fprintf(stderr, "%s:%d %s\n", __FILE__, __LINE__, #cond); \
+ perror(""); \
+ exit(EXIT_FAILURE); \
+ } \
+} while (0)
+
+#define pass_if(expr, label, ret) \
+ do { \
+ if (expr) { \
+ ret = TEST_PASS; \
+ goto label; \
+ } \
+ } while (0)
+
+/* @expr: a boolean expression
+ * @label: jump here to free resources if it fails
+ * @ret: a test_result_t variable that will hold the result of the test
+ * This can be later returned from the test function.
+ */
+#define check(expr, label, ret, ...) \
+ do { \
+ ret = __assert(expr, __FILE__, __LINE__, \
+ "Assertion '" #expr "' failed", __VA_ARGS__); \
+ if (!(expr)) { \
+ perror(""); \
+ goto label; \
+ } \
+ } while (0)
+
+struct generic_test {
+ const char *name;
+ void *private;
+
+
+ void *testcases;
+ int testcase_size;
+ int testcase_count;
+
+ /* Ends all tests if one fails */
+ int abort_on_fail;
+
+ test_result_t (*prepare)(void *);
+ test_result_t (*run)(void *);
+ test_result_t (*cleanup)(void *);
+};
+
+test_result_t run_all_tests(struct generic_test *test, void *param);
+
+#endif
+
+
--
1.8.2.1
--
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