* selftest-run-tests.c (selftest::run_tests): New function.
	* selftest.h (sreal_c_tests): Declare.
	* sreal.c (sreal_verify_basics): New function.
	(verify_aritmetics): Likewise.
	(sreal_verify_arithmetics): Likewise.
	(verify_shifting): Likewise.
	(sreal_verify_shifting): Likewise.
	(void sreal_c_tests): Likewise.
	* gcc.dg/plugin/plugin.exp: Remove sreal test.
	* gcc.dg/plugin/sreal-test-1.c: Remove.
	* gcc.dg/plugin/sreal_plugin.c: Remove.

From-SVN: r238508