unit-tests: implement the unit-testing framework

This set of patches adds a simple unit-testing framework to Busybox

unit-tests: add some helper macros for unit-test framework implementation
unit-tests: implement the unit-testing framework
unit-tests: add basic documentation on writing the unit test cases
unit-tests: modify the Makefile 'test' target to run unit-tests too
unit-tests: add two example test cases
unit-tests: modify the existing strrstr test code to use the unit-test framework

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/Config.in b/Config.in
index b6eaea541..b83beb52d 100644
--- a/Config.in
+++ b/Config.in
@@ -675,6 +675,14 @@ config DEBUG_PESSIMIZE
           in a much bigger executable that more closely matches the source
           code.
 
+config UNIT_TEST
+        bool "Build unit tests"
+        default n
+        help
+          Say Y here if you want to build unit tests (both the framework and
+          test cases) as a Busybox applet. This results in bigger code, so you
+          probably don't want this option in production builds.
+
 config WERROR
         bool "Abort compilation on any warning"
         default n