[PATCH v2 0/6] Add kselftest_harness.h

[PATCH v2 0/6] Add kselftest_harness.h

[Mickaël Salaün]

Hi,

This second patch series make the seccomp/test_harness.h more generally
available [1] and update the kselftest documentation with the Sphinx format. It
also improve the Makefile of seccomp tests to take into account any
kselftest_harness.h update.

[1] https://lkml.kernel.org/r/CAGXu5j+8CVz8vL51DRYXqOY=xc3zuKFf=PTENe88XYHzFYidUQ@mail.gmail.com

Regards,

Mickaël Salaün (6):
  selftests: Make test_harness.h more generally available
  selftests: Cosmetic renames in kselftest_harness.h
  selftests/seccomp: Force rebuild according to dependencies
  Documentation/dev-tools: Add kselftest
  Documentation/dev-tools: Use reStructuredText markups for kselftest
  Documentation/dev-tools: Add kselftest_harness documentation

 Documentation/00-INDEX                             |   2 -
 Documentation/dev-tools/index.rst                  |   1 +
 .../{kselftest.txt => dev-tools/kselftest.rst}     | 134 +++++++++--
 MAINTAINERS                                        |   1 +
 .../test_harness.h => kselftest_harness.h}         | 268 +++++++++++++++------
 tools/testing/selftests/seccomp/Makefile           |   2 +
 tools/testing/selftests/seccomp/seccomp_bpf.c      |   2 +-
 7 files changed, 307 insertions(+), 103 deletions(-)
 rename Documentation/{kselftest.txt => dev-tools/kselftest.rst} (52%)
 rename tools/testing/selftests/{seccomp/test_harness.h => kselftest_harness.h} (81%)

-- 
2.11.0

[PATCH v2 1/6] selftests: Make test_harness.h more generally available

[Mickaël Salaün]

The seccomp/test_harness.h file contains useful helpers to build tests.
Moving it to the selftest directory should benefit to other test
components.

Keep seccomp maintainers for this file.

Changes since v1:
* rename to kselftest_harness.h (suggested by Shuah Khan)
* keep maintainers

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Will Drewry <wad@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Shuah Khan <shuah@kernel.org>
Link: https://lkml.kernel.org/r/CAGXu5j+8CVz8vL51DRYXqOY=xc3zuKFf=PTENe88XYHzFYidUQ@mail.gmail.com
---
 MAINTAINERS                                                             | 1 +
 tools/testing/selftests/{seccomp/test_harness.h => kselftest_harness.h} | 0
 tools/testing/selftests/seccomp/seccomp_bpf.c                           | 2 +-
 3 files changed, 2 insertions(+), 1 deletion(-)
 rename tools/testing/selftests/{seccomp/test_harness.h => kselftest_harness.h} (100%)

diff --git a/MAINTAINERS b/MAINTAINERS
index c265a5fe4848..a42b0c1ca437 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11254,6 +11254,7 @@ F:	kernel/seccomp.c
 F:	include/uapi/linux/seccomp.h
 F:	include/linux/seccomp.h
 F:	tools/testing/selftests/seccomp/*
+F:	tools/testing/selftests/kselftest_harness.h
 K:	\bsecure_computing
 K:	\bTIF_SECCOMP\b
 
diff --git a/tools/testing/selftests/seccomp/test_harness.h b/tools/testing/selftests/kselftest_harness.h
similarity index 100%
rename from tools/testing/selftests/seccomp/test_harness.h
rename to tools/testing/selftests/kselftest_harness.h
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 03f1fa495d74..7ba94efb24fd 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -37,7 +37,7 @@
 #include <unistd.h>
 #include <sys/syscall.h>
 
-#include "test_harness.h"
+#include "../kselftest_harness.h"
 
 #ifndef PR_SET_PTRACER
 # define PR_SET_PTRACER 0x59616d61
-- 
2.11.0

[PATCH v2 2/6] selftests: Cosmetic renames in kselftest_harness.h

[Mickaël Salaün]

Keep the content consistent with the new name.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Will Drewry <wad@chromium.org>
---
 tools/testing/selftests/kselftest_harness.h | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index a786c69c7584..8ba227db46aa 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -2,10 +2,10 @@
  * Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by the GPLv2 license.
  *
- * test_harness.h: simple C unit test helper.
+ * kselftest_harness.h: simple C unit test helper.
  *
  * Usage:
- *   #include "test_harness.h"
+ *   #include "../kselftest_harness.h"
  *   TEST(standalone_test) {
  *     do_some_stuff;
  *     EXPECT_GT(10, stuff) {
@@ -38,8 +38,9 @@
  *
  * API inspired by code.google.com/p/googletest
  */
-#ifndef TEST_HARNESS_H_
-#define TEST_HARNESS_H_
+
+#ifndef __KSELFTEST_HARNESS_H
+#define __KSELFTEST_HARNESS_H
 
 #define _GNU_SOURCE
 #include <stdint.h>
@@ -532,4 +533,4 @@ static void __attribute__((constructor)) __constructor_order_first(void)
 		__constructor_order = _CONSTRUCTOR_ORDER_FORWARD;
 }
 
-#endif  /* TEST_HARNESS_H_ */
+#endif  /* __KSELFTEST_HARNESS_H *
-- 
2.11.0

[PATCH v2 3/6] selftests/seccomp: Force rebuild according to dependencies

[Mickaël Salaün]

Rebuild the seccomp tests when kselftest_harness.h is updated.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Will Drewry <wad@chromium.org>
---
 tools/testing/selftests/seccomp/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/seccomp/Makefile b/tools/testing/selftests/seccomp/Makefile
index 5fa6fd2246b1..aeb0c805f3ca 100644
--- a/tools/testing/selftests/seccomp/Makefile
+++ b/tools/testing/selftests/seccomp/Makefile
@@ -4,3 +4,5 @@ LDFLAGS += -lpthread
 
 include ../lib.mk
 
+$(TEST_GEN_PROGS): seccomp_bpf.c ../kselftest_harness.h
+	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
-- 
2.11.0

[PATCH v2 4/6] Documentation/dev-tools: Add kselftest

[Mickaël Salaün]

Move kselftest.txt to dev-tools/kselftest.rst .

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
---
 Documentation/00-INDEX                                   | 2 --
 Documentation/{kselftest.txt => dev-tools/kselftest.rst} | 0
 2 files changed, 2 deletions(-)
 rename Documentation/{kselftest.txt => dev-tools/kselftest.rst} (100%)

diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index 793acf999e9e..924471664b5a 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -246,8 +246,6 @@ kprobes.txt
 	- documents the kernel probes debugging feature.
 kref.txt
 	- docs on adding reference counters (krefs) to kernel objects.
-kselftest.txt
-	- small unittests for (some) individual codepaths in the kernel.
 laptops/
 	- directory with laptop related info and laptop driver documentation.
 ldm.txt
diff --git a/Documentation/kselftest.txt b/Documentation/dev-tools/kselftest.rst
similarity index 100%
rename from Documentation/kselftest.txt
rename to Documentation/dev-tools/kselftest.rst
-- 
2.11.0

[PATCH v2 5/6] Documentation/dev-tools: Use reStructuredText markups for kselftest

[Mickaël Salaün]

Include and convert kselftest to the Sphinx format.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
---
 Documentation/dev-tools/index.rst     |  1 +
 Documentation/dev-tools/kselftest.rst | 77 ++++++++++++++++++++++++-----------
 2 files changed, 55 insertions(+), 23 deletions(-)

diff --git a/Documentation/dev-tools/index.rst b/Documentation/dev-tools/index.rst
index 07d881147ef3..e50054c6aeaa 100644
--- a/Documentation/dev-tools/index.rst
+++ b/Documentation/dev-tools/index.rst
@@ -23,6 +23,7 @@ whole; patches welcome!
    kmemleak
    kmemcheck
    gdb-kernel-debugging
+   kselftest
 
 
 .. only::  subproject and html
diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
index 5bd590335839..39af2cb3d248 100644
--- a/Documentation/dev-tools/kselftest.rst
+++ b/Documentation/dev-tools/kselftest.rst
@@ -1,4 +1,5 @@
 Linux Kernel Selftests
+======================
 
 The kernel contains a set of "self tests" under the tools/testing/selftests/
 directory. These are intended to be small tests to exercise individual code
@@ -13,65 +14,93 @@ run on a single cpu as opposed to all hotplug capable cpus, and memory
 hotplug test is run on 2% of hotplug capable memory instead of 10%.
 
 Running the selftests (hotplug tests are run in limited mode)
-=============================================================
+-------------------------------------------------------------
 
 To build the tests:
-  $ make -C tools/testing/selftests
+
+.. code-block:: sh
+
+    make -C tools/testing/selftests
 
 
 To run the tests:
-  $ make -C tools/testing/selftests run_tests
+
+.. code-block:: sh
+
+    make -C tools/testing/selftests run_tests
 
 To build and run the tests with a single command, use:
-  $ make kselftest
 
-- note that some tests will require root privileges.
+.. code-block:: sh
+
+    make kselftest
+
+Note that some tests will require root privileges.
 
 
 Running a subset of selftests
-========================================
+-----------------------------
+
 You can use the "TARGETS" variable on the make command line to specify
 single test to run, or a list of tests to run.
 
 To run only tests targeted for a single subsystem:
-  $  make -C tools/testing/selftests TARGETS=ptrace run_tests
+
+.. code-block:: sh
+
+    make -C tools/testing/selftests TARGETS=ptrace run_tests
 
 You can specify multiple tests to build and run:
-  $  make TARGETS="size timers" kselftest
+
+.. code-block:: sh
+
+    make TARGETS="size timers" kselftest
 
 See the top-level tools/testing/selftests/Makefile for the list of all
 possible targets.
 
 
 Running the full range hotplug selftests
-========================================
+----------------------------------------
 
 To build the hotplug tests:
-  $ make -C tools/testing/selftests hotplug
+
+.. code-block:: sh
+
+    make -C tools/testing/selftests hotplug
 
 To run the hotplug tests:
-  $ make -C tools/testing/selftests run_hotplug
 
-- note that some tests will require root privileges.
+.. code-block:: sh
+
+    make -C tools/testing/selftests run_hotplug
+
+Note that some tests will require root privileges.
 
 
 Install selftests
-=================
+-----------------
 
 You can use kselftest_install.sh tool installs selftests in default
 location which is tools/testing/selftests/kselftest or a user specified
 location.
 
 To install selftests in default location:
-   $ cd tools/testing/selftests
-   $ ./kselftest_install.sh
+
+.. code-block:: sh
+
+    cd tools/testing/selftests
+    ./kselftest_install.sh
 
 To install selftests in a user specified location:
-   $ cd tools/testing/selftests
-   $ ./kselftest_install.sh install_dir
+
+.. code-block:: sh
+
+    cd tools/testing/selftests
+    ./kselftest_install.sh install_dir
 
 Running installed selftests
-===========================
+---------------------------
 
 Kselftest install as well as the Kselftest tarball provide a script
 named "run_kselftest.sh" to run the tests.
@@ -79,11 +108,13 @@ named "run_kselftest.sh" to run the tests.
 You can simply do the following to run the installed Kselftests. Please
 note some tests will require root privileges.
 
-cd kselftest
-./run_kselftest.sh
+.. code-block:: sh
+
+    cd kselftest
+    ./run_kselftest.sh
 
 Contributing new tests
-======================
+----------------------
 
 In general, the rules for selftests are
 
@@ -96,8 +127,8 @@ In general, the rules for selftests are
  * Don't cause the top-level "make run_tests" to fail if your feature is
    unconfigured.
 
-Contributing new tests(details)
-===============================
+Contributing new tests (details)
+--------------------------------
 
  * Use TEST_GEN_XXX if such binaries or files are generated during
    compiling.
-- 
2.11.0

[PATCH v2 6/6] Documentation/dev-tools: Add kselftest_harness documentation

[Mickaël Salaün]

Add metadata to kselftest_harness.h to be able to include the comments
in the Sphinx documentation.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Will Drewry <wad@chromium.org>
---
 Documentation/dev-tools/kselftest.rst       |  57 ++++++
 tools/testing/selftests/kselftest_harness.h | 259 ++++++++++++++++++++--------
 2 files changed, 243 insertions(+), 73 deletions(-)

diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
index 39af2cb3d248..cf1e1f262c44 100644
--- a/Documentation/dev-tools/kselftest.rst
+++ b/Documentation/dev-tools/kselftest.rst
@@ -138,3 +138,60 @@ Contributing new tests (details)
    executable which is not tested by default.
    TEST_FILES, TEST_GEN_FILES mean it is the file which is used by
    test.
+
+Test Harness
+------------
+
+The *kselftest_harness.h* file contains useful helpers to build tests. The
+tests from seccomp/seccomp_bpf.c can be used as examples.
+
+Example
+~~~~~~~
+
+.. code-block:: c
+
+    #include "../kselftest_harness.h"
+
+    TEST(standalone_test) {
+      do_some_stuff;
+      EXPECT_GT(10, stuff) {
+         stuff_state_t state;
+         enumerate_stuff_state(&state);
+         TH_LOG("expectation failed with state: %s", state.msg);
+      }
+      more_stuff;
+      ASSERT_NE(some_stuff, NULL) TH_LOG("how did it happen?!");
+      last_stuff;
+      EXPECT_EQ(0, last_stuff);
+    }
+
+    FIXTURE(my_fixture) {
+      mytype_t *data;
+      int awesomeness_level;
+    };
+    FIXTURE_SETUP(my_fixture) {
+      self->data = mytype_new();
+      ASSERT_NE(NULL, self->data);
+    }
+    FIXTURE_TEARDOWN(my_fixture) {
+      mytype_free(self->data);
+    }
+    TEST_F(my_fixture, data_is_good) {
+      EXPECT_EQ(1, is_my_data_good(self->data));
+    }
+
+    TEST_HARNESS_MAIN
+
+
+Helpers
+~~~~~~~~~
+
+.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
+    :doc: helpers
+
+
+Operators
+~~~~~~~~~
+
+.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
+    :doc: operators
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 8ba227db46aa..eddddfe50c80 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -4,38 +4,6 @@
  *
  * kselftest_harness.h: simple C unit test helper.
  *
- * Usage:
- *   #include "../kselftest_harness.h"
- *   TEST(standalone_test) {
- *     do_some_stuff;
- *     EXPECT_GT(10, stuff) {
- *        stuff_state_t state;
- *        enumerate_stuff_state(&state);
- *        TH_LOG("expectation failed with state: %s", state.msg);
- *     }
- *     more_stuff;
- *     ASSERT_NE(some_stuff, NULL) TH_LOG("how did it happen?!");
- *     last_stuff;
- *     EXPECT_EQ(0, last_stuff);
- *   }
- *
- *   FIXTURE(my_fixture) {
- *     mytype_t *data;
- *     int awesomeness_level;
- *   };
- *   FIXTURE_SETUP(my_fixture) {
- *     self->data = mytype_new();
- *     ASSERT_NE(NULL, self->data);
- *   }
- *   FIXTURE_TEARDOWN(my_fixture) {
- *     mytype_free(self->data);
- *   }
- *   TEST_F(my_fixture, data_is_good) {
- *     EXPECT_EQ(1, is_my_data_good(self->data));
- *   }
- *
- *   TEST_HARNESS_MAIN
- *
  * API inspired by code.google.com/p/googletest
  */
 
@@ -58,7 +26,13 @@
  * Exported APIs
  */
 
-/* TEST(name) { implementation }
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     TEST(name) { implementation }
+ *
  * Defines a test by name.
  * Names must be unique and tests must not be run in parallel.  The
  * implementation containing block is a function and scoping should be treated
@@ -68,7 +42,13 @@
  */
 #define TEST TEST_API(TEST)
 
-/* TEST_SIGNAL(name, signal) { implementation }
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     TEST_SIGNAL(name, signal) { implementation }
+ *
  * Defines a test by name and the expected term signal.
  * Names must be unique and tests must not be run in parallel.  The
  * implementation containing block is a function and scoping should be treated
@@ -78,25 +58,43 @@
  */
 #define TEST_SIGNAL TEST_API(TEST_SIGNAL)
 
-/* FIXTURE(datatype name) {
- *   type property1;
- *   ...
- * };
- * Defines the data provided to TEST_F()-defined tests as |self|.  It should be
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     FIXTURE(datatype name) {
+ *       type property1;
+ *       ...
+ *     };
+ *
+ * Defines the data provided to TEST_F()-defined tests as \|self\|.  It should be
  * populated and cleaned up using FIXTURE_SETUP and FIXTURE_TEARDOWN.
  */
 #define FIXTURE TEST_API(FIXTURE)
 
-/* FIXTURE_DATA(datatype name)
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     FIXTURE_DATA(datatype name)
+ *
  * This call may be used when the type of the fixture data
  * is needed.  In general, this should not be needed unless
- * the |self| is being passed to a helper directly.
+ * the \|self\| is being passed to a helper directly.
  */
 #define FIXTURE_DATA TEST_API(FIXTURE_DATA)
 
-/* FIXTURE_SETUP(fixture name) { implementation }
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     FIXTURE_SETUP(fixture name) { implementation }
+ *
  * Populates the required "setup" function for a fixture.  An instance of the
- * datatype defined with _FIXTURE_DATA will be exposed as |self| for the
+ * datatype defined with _FIXTURE_DATA will be exposed as \|self\| for the
  * implementation.
  *
  * ASSERT_* are valid for use in this context and will prempt the execution
@@ -106,84 +104,199 @@
  */
 #define FIXTURE_SETUP TEST_API(FIXTURE_SETUP)
 
-/* FIXTURE_TEARDOWN(fixture name) { implementation }
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     FIXTURE_TEARDOWN(fixture name) { implementation }
+ *
  * Populates the required "teardown" function for a fixture.  An instance of the
- * datatype defined with _FIXTURE_DATA will be exposed as |self| for the
+ * datatype defined with _FIXTURE_DATA will be exposed as \|self\| for the
  * implementation to clean up.
  *
  * A bare "return;" statement may be used to return early.
  */
 #define FIXTURE_TEARDOWN TEST_API(FIXTURE_TEARDOWN)
 
-/* TEST_F(fixture, name) { implementation }
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     TEST_F(fixture, name) { implementation }
+ *
  * Defines a test that depends on a fixture (e.g., is part of a test case).
- * Very similar to TEST() except that |self| is the setup instance of fixture's
+ * Very similar to TEST() except that \|self\| is the setup instance of fixture's
  * datatype exposed for use by the implementation.
  */
 #define TEST_F TEST_API(TEST_F)
 
 #define TEST_F_SIGNAL TEST_API(TEST_F_SIGNAL)
 
-/* Use once to append a main() to the test file. E.g.,
- *   TEST_HARNESS_MAIN
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     TEST_HARNESS_MAIN
+ *
+ * Use once to append a main() to the test file.
  */
 #define TEST_HARNESS_MAIN TEST_API(TEST_HARNESS_MAIN)
 
-/*
+/**
+ * DOC: operators
+ *
  * Operators for use in TEST and TEST_F.
  * ASSERT_* calls will stop test execution immediately.
  * EXPECT_* calls will emit a failure warning, note it, and continue.
  */
 
-/* ASSERT_EQ(expected, measured): expected == measured */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_EQ(expected, measured): expected == measured
+ */
 #define ASSERT_EQ TEST_API(ASSERT_EQ)
-/* ASSERT_NE(expected, measured): expected != measured */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_NE(expected, measured): expected != measured
+ */
 #define ASSERT_NE TEST_API(ASSERT_NE)
-/* ASSERT_LT(expected, measured): expected < measured */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_LT(expected, measured): expected < measured
+ */
 #define ASSERT_LT TEST_API(ASSERT_LT)
-/* ASSERT_LE(expected, measured): expected <= measured */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_LE(expected, measured): expected <= measured
+ */
 #define ASSERT_LE TEST_API(ASSERT_LE)
-/* ASSERT_GT(expected, measured): expected > measured */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_GT(expected, measured): expected > measured
+ */
 #define ASSERT_GT TEST_API(ASSERT_GT)
-/* ASSERT_GE(expected, measured): expected >= measured */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_GE(expected, measured): expected >= measured
+ */
 #define ASSERT_GE TEST_API(ASSERT_GE)
-/* ASSERT_NULL(measured): NULL == measured */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_NULL(measured): NULL == measured
+ */
 #define ASSERT_NULL TEST_API(ASSERT_NULL)
-/* ASSERT_TRUE(measured): measured != 0 */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_TRUE(measured): measured != 0
+ */
 #define ASSERT_TRUE TEST_API(ASSERT_TRUE)
-/* ASSERT_FALSE(measured): measured == 0 */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_FALSE(measured): measured == 0
+ */
 #define ASSERT_FALSE TEST_API(ASSERT_FALSE)
-/* ASSERT_STREQ(expected, measured): !strcmp(expected, measured) */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_STREQ(expected, measured): !strcmp(expected, measured)
+ */
 #define ASSERT_STREQ TEST_API(ASSERT_STREQ)
-/* ASSERT_STRNE(expected, measured): strcmp(expected, measured) */
+/**
+ * DOC: operators
+ *
+ * * ASSERT_STRNE(expected, measured): strcmp(expected, measured)
+ */
 #define ASSERT_STRNE TEST_API(ASSERT_STRNE)
-/* EXPECT_EQ(expected, measured): expected == measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_EQ(expected, measured): expected == measured
+ */
 #define EXPECT_EQ TEST_API(EXPECT_EQ)
-/* EXPECT_NE(expected, measured): expected != measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_NE(expected, measured): expected != measured
+ */
 #define EXPECT_NE TEST_API(EXPECT_NE)
-/* EXPECT_LT(expected, measured): expected < measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_LT(expected, measured): expected < measured
+ */
 #define EXPECT_LT TEST_API(EXPECT_LT)
-/* EXPECT_LE(expected, measured): expected <= measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_LE(expected, measured): expected <= measured
+ */
 #define EXPECT_LE TEST_API(EXPECT_LE)
-/* EXPECT_GT(expected, measured): expected > measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_GT(expected, measured): expected > measured
+ */
 #define EXPECT_GT TEST_API(EXPECT_GT)
-/* EXPECT_GE(expected, measured): expected >= measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_GE(expected, measured): expected >= measured
+ */
 #define EXPECT_GE TEST_API(EXPECT_GE)
-/* EXPECT_NULL(measured): NULL == measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_NULL(measured): NULL == measured
+ */
 #define EXPECT_NULL TEST_API(EXPECT_NULL)
-/* EXPECT_TRUE(measured): 0 != measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_TRUE(measured): 0 != measured
+ */
 #define EXPECT_TRUE TEST_API(EXPECT_TRUE)
-/* EXPECT_FALSE(measured): 0 == measured */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_FALSE(measured): 0 == measured
+ */
 #define EXPECT_FALSE TEST_API(EXPECT_FALSE)
-/* EXPECT_STREQ(expected, measured): !strcmp(expected, measured) */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_STREQ(expected, measured): !strcmp(expected, measured)
+ */
 #define EXPECT_STREQ TEST_API(EXPECT_STREQ)
-/* EXPECT_STRNE(expected, measured): strcmp(expected, measured) */
+/**
+ * DOC: operators
+ *
+ * * EXPECT_STRNE(expected, measured): strcmp(expected, measured)
+ */
 #define EXPECT_STRNE TEST_API(EXPECT_STRNE)
 
-/* TH_LOG(format, ...)
+/**
+ * DOC: helpers
+ *
+ * .. code-block:: c
+ *
+ *     TH_LOG(format, ...)
+ *
  * Optional debug logging function available for use in tests.
  * Logging may be enabled or disabled by defining TH_LOG_ENABLED.
  * E.g., #define TH_LOG_ENABLED 1
+ *
  * If no definition is provided, logging is enabled by default.
  */
 #define TH_LOG  TEST_API(TH_LOG)
-- 
2.11.0

Re: [PATCH v2 5/6] Documentation/dev-tools: Use reStructuredText markups for kselftest

[Kees Cook]

On Tue, May 2, 2017 at 3:26 PM, Mickaël Salaün <mic@digikod.net> wrote:
> Include and convert kselftest to the Sphinx format.
>
> Signed-off-by: Mickaël Salaün <mic@digikod.net>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: Shuah Khan <shuah@kernel.org>
> ---
>  Documentation/dev-tools/index.rst     |  1 +
>  Documentation/dev-tools/kselftest.rst | 77 ++++++++++++++++++++++++-----------
>  2 files changed, 55 insertions(+), 23 deletions(-)
>
> diff --git a/Documentation/dev-tools/index.rst b/Documentation/dev-tools/index.rst
> index 07d881147ef3..e50054c6aeaa 100644
> --- a/Documentation/dev-tools/index.rst
> +++ b/Documentation/dev-tools/index.rst
> @@ -23,6 +23,7 @@ whole; patches welcome!
>     kmemleak
>     kmemcheck
>     gdb-kernel-debugging
> +   kselftest
>
>
>  .. only::  subproject and html
> diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
> index 5bd590335839..39af2cb3d248 100644
> --- a/Documentation/dev-tools/kselftest.rst
> +++ b/Documentation/dev-tools/kselftest.rst
> @@ -1,4 +1,5 @@
>  Linux Kernel Selftests
> +======================

Shouldn't this be:

================
Linux Kernel Selftests
================

And then leave the other sections with ==== underlines.

>
>  The kernel contains a set of "self tests" under the tools/testing/selftests/
>  directory. These are intended to be small tests to exercise individual code
> @@ -13,65 +14,93 @@ run on a single cpu as opposed to all hotplug capable cpus, and memory
>  hotplug test is run on 2% of hotplug capable memory instead of 10%.
>
>  Running the selftests (hotplug tests are run in limited mode)
> -=============================================================
> +-------------------------------------------------------------
>
>  To build the tests:
> -  $ make -C tools/testing/selftests
> +
> +.. code-block:: sh
> +
> +    make -C tools/testing/selftests

An easier way to do this is "::" at the end of "To build the tests",
which is fewer lines delta.

>
>
>  To run the tests:
> -  $ make -C tools/testing/selftests run_tests
> +
> +.. code-block:: sh
> +
> +    make -C tools/testing/selftests run_tests
>
>  To build and run the tests with a single command, use:
> -  $ make kselftest
>
> -- note that some tests will require root privileges.
> +.. code-block:: sh
> +
> +    make kselftest
> +
> +Note that some tests will require root privileges.
>
>
>  Running a subset of selftests
> -========================================
> +-----------------------------
> +
>  You can use the "TARGETS" variable on the make command line to specify
>  single test to run, or a list of tests to run.
>
>  To run only tests targeted for a single subsystem:
> -  $  make -C tools/testing/selftests TARGETS=ptrace run_tests
> +
> +.. code-block:: sh
> +
> +    make -C tools/testing/selftests TARGETS=ptrace run_tests
>
>  You can specify multiple tests to build and run:
> -  $  make TARGETS="size timers" kselftest
> +
> +.. code-block:: sh
> +
> +    make TARGETS="size timers" kselftest
>
>  See the top-level tools/testing/selftests/Makefile for the list of all
>  possible targets.
>
>
>  Running the full range hotplug selftests
> -========================================
> +----------------------------------------
>
>  To build the hotplug tests:
> -  $ make -C tools/testing/selftests hotplug
> +
> +.. code-block:: sh
> +
> +    make -C tools/testing/selftests hotplug
>
>  To run the hotplug tests:
> -  $ make -C tools/testing/selftests run_hotplug
>
> -- note that some tests will require root privileges.
> +.. code-block:: sh
> +
> +    make -C tools/testing/selftests run_hotplug
> +
> +Note that some tests will require root privileges.
>
>
>  Install selftests
> -=================
> +-----------------
>
>  You can use kselftest_install.sh tool installs selftests in default
>  location which is tools/testing/selftests/kselftest or a user specified
>  location.
>
>  To install selftests in default location:
> -   $ cd tools/testing/selftests
> -   $ ./kselftest_install.sh
> +
> +.. code-block:: sh
> +
> +    cd tools/testing/selftests
> +    ./kselftest_install.sh
>
>  To install selftests in a user specified location:
> -   $ cd tools/testing/selftests
> -   $ ./kselftest_install.sh install_dir
> +
> +.. code-block:: sh
> +
> +    cd tools/testing/selftests
> +    ./kselftest_install.sh install_dir
>
>  Running installed selftests
> -===========================
> +---------------------------
>
>  Kselftest install as well as the Kselftest tarball provide a script
>  named "run_kselftest.sh" to run the tests.
> @@ -79,11 +108,13 @@ named "run_kselftest.sh" to run the tests.
>  You can simply do the following to run the installed Kselftests. Please
>  note some tests will require root privileges.
>
> -cd kselftest
> -./run_kselftest.sh
> +.. code-block:: sh
> +
> +    cd kselftest
> +    ./run_kselftest.sh
>
>  Contributing new tests
> -======================
> +----------------------
>
>  In general, the rules for selftests are
>
> @@ -96,8 +127,8 @@ In general, the rules for selftests are
>   * Don't cause the top-level "make run_tests" to fail if your feature is
>     unconfigured.
>
> -Contributing new tests(details)
> -===============================
> +Contributing new tests (details)
> +--------------------------------
>
>   * Use TEST_GEN_XXX if such binaries or files are generated during
>     compiling.
> --
> 2.11.0
>

-Kees

-- 
Kees Cook
Pixel Security

Re: [PATCH v2 6/6] Documentation/dev-tools: Add kselftest_harness documentation

[Kees Cook]

On Tue, May 2, 2017 at 3:26 PM, Mickaël Salaün <mic@digikod.net> wrote:
> Add metadata to kselftest_harness.h to be able to include the comments
> in the Sphinx documentation.
>
> Signed-off-by: Mickaël Salaün <mic@digikod.net>
> Cc: Andy Lutomirski <luto@amacapital.net>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: Kees Cook <keescook@chromium.org>
> Cc: Shuah Khan <shuah@kernel.org>
> Cc: Will Drewry <wad@chromium.org>
> ---
>  Documentation/dev-tools/kselftest.rst       |  57 ++++++
>  tools/testing/selftests/kselftest_harness.h | 259 ++++++++++++++++++++--------
>  2 files changed, 243 insertions(+), 73 deletions(-)
>
> diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
> index 39af2cb3d248..cf1e1f262c44 100644
> --- a/Documentation/dev-tools/kselftest.rst
> +++ b/Documentation/dev-tools/kselftest.rst
> @@ -138,3 +138,60 @@ Contributing new tests (details)
>     executable which is not tested by default.
>     TEST_FILES, TEST_GEN_FILES mean it is the file which is used by
>     test.
> +
> +Test Harness
> +------------
> +
> +The *kselftest_harness.h* file contains useful helpers to build tests. The
> +tests from seccomp/seccomp_bpf.c can be used as examples.
> +
> +Example
> +~~~~~~~
> +
> +.. code-block:: c
> +
> +    #include "../kselftest_harness.h"
> +
> +    TEST(standalone_test) {
> +      do_some_stuff;
> +      EXPECT_GT(10, stuff) {
> +         stuff_state_t state;
> +         enumerate_stuff_state(&state);
> +         TH_LOG("expectation failed with state: %s", state.msg);
> +      }
> +      more_stuff;
> +      ASSERT_NE(some_stuff, NULL) TH_LOG("how did it happen?!");
> +      last_stuff;
> +      EXPECT_EQ(0, last_stuff);
> +    }
> +
> +    FIXTURE(my_fixture) {
> +      mytype_t *data;
> +      int awesomeness_level;
> +    };
> +    FIXTURE_SETUP(my_fixture) {
> +      self->data = mytype_new();
> +      ASSERT_NE(NULL, self->data);
> +    }
> +    FIXTURE_TEARDOWN(my_fixture) {
> +      mytype_free(self->data);
> +    }
> +    TEST_F(my_fixture, data_is_good) {
> +      EXPECT_EQ(1, is_my_data_good(self->data));
> +    }
> +
> +    TEST_HARNESS_MAIN
> +
> +
> +Helpers
> +~~~~~~~~~
> +
> +.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
> +    :doc: helpers
> +
> +
> +Operators
> +~~~~~~~~~
> +
> +.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
> +    :doc: operators

Awesome! Yay docs!

> diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
> index 8ba227db46aa..eddddfe50c80 100644
> --- a/tools/testing/selftests/kselftest_harness.h
> +++ b/tools/testing/selftests/kselftest_harness.h
> @@ -4,38 +4,6 @@
>   *
>   * kselftest_harness.h: simple C unit test helper.
>   *
> - * Usage:

Can you add a pointer to the .rst file so someone looking at the
header file will find out where to get an example?

Otherwise, looks great!

-Kees

> - *   #include "../kselftest_harness.h"
> - *   TEST(standalone_test) {
> - *     do_some_stuff;
> - *     EXPECT_GT(10, stuff) {
> - *        stuff_state_t state;
> - *        enumerate_stuff_state(&state);
> - *        TH_LOG("expectation failed with state: %s", state.msg);
> - *     }
> - *     more_stuff;
> - *     ASSERT_NE(some_stuff, NULL) TH_LOG("how did it happen?!");
> - *     last_stuff;
> - *     EXPECT_EQ(0, last_stuff);
> - *   }
> - *
> - *   FIXTURE(my_fixture) {
> - *     mytype_t *data;
> - *     int awesomeness_level;
> - *   };
> - *   FIXTURE_SETUP(my_fixture) {
> - *     self->data = mytype_new();
> - *     ASSERT_NE(NULL, self->data);
> - *   }
> - *   FIXTURE_TEARDOWN(my_fixture) {
> - *     mytype_free(self->data);
> - *   }
> - *   TEST_F(my_fixture, data_is_good) {
> - *     EXPECT_EQ(1, is_my_data_good(self->data));
> - *   }
> - *
> - *   TEST_HARNESS_MAIN
> - *
>   * API inspired by code.google.com/p/googletest
>   */
>
> @@ -58,7 +26,13 @@
>   * Exported APIs
>   */
>
> -/* TEST(name) { implementation }
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     TEST(name) { implementation }
> + *
>   * Defines a test by name.
>   * Names must be unique and tests must not be run in parallel.  The
>   * implementation containing block is a function and scoping should be treated
> @@ -68,7 +42,13 @@
>   */
>  #define TEST TEST_API(TEST)
>
> -/* TEST_SIGNAL(name, signal) { implementation }
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     TEST_SIGNAL(name, signal) { implementation }
> + *
>   * Defines a test by name and the expected term signal.
>   * Names must be unique and tests must not be run in parallel.  The
>   * implementation containing block is a function and scoping should be treated
> @@ -78,25 +58,43 @@
>   */
>  #define TEST_SIGNAL TEST_API(TEST_SIGNAL)
>
> -/* FIXTURE(datatype name) {
> - *   type property1;
> - *   ...
> - * };
> - * Defines the data provided to TEST_F()-defined tests as |self|.  It should be
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     FIXTURE(datatype name) {
> + *       type property1;
> + *       ...
> + *     };
> + *
> + * Defines the data provided to TEST_F()-defined tests as \|self\|.  It should be
>   * populated and cleaned up using FIXTURE_SETUP and FIXTURE_TEARDOWN.
>   */
>  #define FIXTURE TEST_API(FIXTURE)
>
> -/* FIXTURE_DATA(datatype name)
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     FIXTURE_DATA(datatype name)
> + *
>   * This call may be used when the type of the fixture data
>   * is needed.  In general, this should not be needed unless
> - * the |self| is being passed to a helper directly.
> + * the \|self\| is being passed to a helper directly.
>   */
>  #define FIXTURE_DATA TEST_API(FIXTURE_DATA)
>
> -/* FIXTURE_SETUP(fixture name) { implementation }
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     FIXTURE_SETUP(fixture name) { implementation }
> + *
>   * Populates the required "setup" function for a fixture.  An instance of the
> - * datatype defined with _FIXTURE_DATA will be exposed as |self| for the
> + * datatype defined with _FIXTURE_DATA will be exposed as \|self\| for the
>   * implementation.
>   *
>   * ASSERT_* are valid for use in this context and will prempt the execution
> @@ -106,84 +104,199 @@
>   */
>  #define FIXTURE_SETUP TEST_API(FIXTURE_SETUP)
>
> -/* FIXTURE_TEARDOWN(fixture name) { implementation }
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     FIXTURE_TEARDOWN(fixture name) { implementation }
> + *
>   * Populates the required "teardown" function for a fixture.  An instance of the
> - * datatype defined with _FIXTURE_DATA will be exposed as |self| for the
> + * datatype defined with _FIXTURE_DATA will be exposed as \|self\| for the
>   * implementation to clean up.
>   *
>   * A bare "return;" statement may be used to return early.
>   */
>  #define FIXTURE_TEARDOWN TEST_API(FIXTURE_TEARDOWN)
>
> -/* TEST_F(fixture, name) { implementation }
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     TEST_F(fixture, name) { implementation }
> + *
>   * Defines a test that depends on a fixture (e.g., is part of a test case).
> - * Very similar to TEST() except that |self| is the setup instance of fixture's
> + * Very similar to TEST() except that \|self\| is the setup instance of fixture's
>   * datatype exposed for use by the implementation.
>   */
>  #define TEST_F TEST_API(TEST_F)
>
>  #define TEST_F_SIGNAL TEST_API(TEST_F_SIGNAL)
>
> -/* Use once to append a main() to the test file. E.g.,
> - *   TEST_HARNESS_MAIN
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     TEST_HARNESS_MAIN
> + *
> + * Use once to append a main() to the test file.
>   */
>  #define TEST_HARNESS_MAIN TEST_API(TEST_HARNESS_MAIN)
>
> -/*
> +/**
> + * DOC: operators
> + *
>   * Operators for use in TEST and TEST_F.
>   * ASSERT_* calls will stop test execution immediately.
>   * EXPECT_* calls will emit a failure warning, note it, and continue.
>   */
>
> -/* ASSERT_EQ(expected, measured): expected == measured */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_EQ(expected, measured): expected == measured
> + */
>  #define ASSERT_EQ TEST_API(ASSERT_EQ)
> -/* ASSERT_NE(expected, measured): expected != measured */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_NE(expected, measured): expected != measured
> + */
>  #define ASSERT_NE TEST_API(ASSERT_NE)
> -/* ASSERT_LT(expected, measured): expected < measured */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_LT(expected, measured): expected < measured
> + */
>  #define ASSERT_LT TEST_API(ASSERT_LT)
> -/* ASSERT_LE(expected, measured): expected <= measured */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_LE(expected, measured): expected <= measured
> + */
>  #define ASSERT_LE TEST_API(ASSERT_LE)
> -/* ASSERT_GT(expected, measured): expected > measured */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_GT(expected, measured): expected > measured
> + */
>  #define ASSERT_GT TEST_API(ASSERT_GT)
> -/* ASSERT_GE(expected, measured): expected >= measured */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_GE(expected, measured): expected >= measured
> + */
>  #define ASSERT_GE TEST_API(ASSERT_GE)
> -/* ASSERT_NULL(measured): NULL == measured */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_NULL(measured): NULL == measured
> + */
>  #define ASSERT_NULL TEST_API(ASSERT_NULL)
> -/* ASSERT_TRUE(measured): measured != 0 */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_TRUE(measured): measured != 0
> + */
>  #define ASSERT_TRUE TEST_API(ASSERT_TRUE)
> -/* ASSERT_FALSE(measured): measured == 0 */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_FALSE(measured): measured == 0
> + */
>  #define ASSERT_FALSE TEST_API(ASSERT_FALSE)
> -/* ASSERT_STREQ(expected, measured): !strcmp(expected, measured) */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_STREQ(expected, measured): !strcmp(expected, measured)
> + */
>  #define ASSERT_STREQ TEST_API(ASSERT_STREQ)
> -/* ASSERT_STRNE(expected, measured): strcmp(expected, measured) */
> +/**
> + * DOC: operators
> + *
> + * * ASSERT_STRNE(expected, measured): strcmp(expected, measured)
> + */
>  #define ASSERT_STRNE TEST_API(ASSERT_STRNE)
> -/* EXPECT_EQ(expected, measured): expected == measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_EQ(expected, measured): expected == measured
> + */
>  #define EXPECT_EQ TEST_API(EXPECT_EQ)
> -/* EXPECT_NE(expected, measured): expected != measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_NE(expected, measured): expected != measured
> + */
>  #define EXPECT_NE TEST_API(EXPECT_NE)
> -/* EXPECT_LT(expected, measured): expected < measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_LT(expected, measured): expected < measured
> + */
>  #define EXPECT_LT TEST_API(EXPECT_LT)
> -/* EXPECT_LE(expected, measured): expected <= measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_LE(expected, measured): expected <= measured
> + */
>  #define EXPECT_LE TEST_API(EXPECT_LE)
> -/* EXPECT_GT(expected, measured): expected > measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_GT(expected, measured): expected > measured
> + */
>  #define EXPECT_GT TEST_API(EXPECT_GT)
> -/* EXPECT_GE(expected, measured): expected >= measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_GE(expected, measured): expected >= measured
> + */
>  #define EXPECT_GE TEST_API(EXPECT_GE)
> -/* EXPECT_NULL(measured): NULL == measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_NULL(measured): NULL == measured
> + */
>  #define EXPECT_NULL TEST_API(EXPECT_NULL)
> -/* EXPECT_TRUE(measured): 0 != measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_TRUE(measured): 0 != measured
> + */
>  #define EXPECT_TRUE TEST_API(EXPECT_TRUE)
> -/* EXPECT_FALSE(measured): 0 == measured */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_FALSE(measured): 0 == measured
> + */
>  #define EXPECT_FALSE TEST_API(EXPECT_FALSE)
> -/* EXPECT_STREQ(expected, measured): !strcmp(expected, measured) */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_STREQ(expected, measured): !strcmp(expected, measured)
> + */
>  #define EXPECT_STREQ TEST_API(EXPECT_STREQ)
> -/* EXPECT_STRNE(expected, measured): strcmp(expected, measured) */
> +/**
> + * DOC: operators
> + *
> + * * EXPECT_STRNE(expected, measured): strcmp(expected, measured)
> + */
>  #define EXPECT_STRNE TEST_API(EXPECT_STRNE)
>
> -/* TH_LOG(format, ...)
> +/**
> + * DOC: helpers
> + *
> + * .. code-block:: c
> + *
> + *     TH_LOG(format, ...)
> + *
>   * Optional debug logging function available for use in tests.
>   * Logging may be enabled or disabled by defining TH_LOG_ENABLED.
>   * E.g., #define TH_LOG_ENABLED 1
> + *
>   * If no definition is provided, logging is enabled by default.
>   */
>  #define TH_LOG  TEST_API(TH_LOG)
> --
> 2.11.0
>



-- 
Kees Cook
Pixel Security

Re: [PATCH v2 0/6] Add kselftest_harness.h

[Kees Cook]

On Tue, May 2, 2017 at 3:26 PM, Mickaël Salaün <mic@digikod.net> wrote:
> Hi,
>
> This second patch series make the seccomp/test_harness.h more generally
> available [1] and update the kselftest documentation with the Sphinx format. It
> also improve the Makefile of seccomp tests to take into account any
> kselftest_harness.h update.
>
> [1] https://lkml.kernel.org/r/CAGXu5j+8CVz8vL51DRYXqOY=xc3zuKFf=PTENe88XYHzFYidUQ@mail.gmail.com
>
> Regards,
>
> Mickaël Salaün (6):
>   selftests: Make test_harness.h more generally available
>   selftests: Cosmetic renames in kselftest_harness.h
>   selftests/seccomp: Force rebuild according to dependencies
>   Documentation/dev-tools: Add kselftest

For these four:

Acked-by: Kees Cook <keescook@chromium.org>

>   Documentation/dev-tools: Use reStructuredText markups for kselftest
>   Documentation/dev-tools: Add kselftest_harness documentation

These two have some minor nits I emailed about, but if those are
fixed, consider them Acked-by me too.

Thanks for this!

-Kees

>
>  Documentation/00-INDEX                             |   2 -
>  Documentation/dev-tools/index.rst                  |   1 +
>  .../{kselftest.txt => dev-tools/kselftest.rst}     | 134 +++++++++--
>  MAINTAINERS                                        |   1 +
>  .../test_harness.h => kselftest_harness.h}         | 268 +++++++++++++++------
>  tools/testing/selftests/seccomp/Makefile           |   2 +
>  tools/testing/selftests/seccomp/seccomp_bpf.c      |   2 +-
>  7 files changed, 307 insertions(+), 103 deletions(-)
>  rename Documentation/{kselftest.txt => dev-tools/kselftest.rst} (52%)
>  rename tools/testing/selftests/{seccomp/test_harness.h => kselftest_harness.h} (81%)
>
> --
> 2.11.0
>



-- 
Kees Cook
Pixel Security