Selftest framework

gcc/ChangeLog:
	* Makefile.in (OBJS): Add function-tests.o,
	hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
	selftest-run-tests.o.
	(OBJS-libcommon): Add selftest.o.
	(OBJS-libcommon-target): Add selftest.o.
	(all.internal): Add "selftest".
	(all.cross): Likewise.
	(selftest): New phony target.
	(s-selftest): New target.
	(selftest-gdb): New phony target.
	(COLLECT2_OBJS): Add selftest.o.
	* bitmap.c: Include "selftest.h".
	(selftest::test_gc_alloc): New function.
	(selftest::test_set_range): New function.
	(selftest::test_clear_bit_in_middle): New function.
	(selftest::test_copying): New function.
	(selftest::test_bitmap_single_bit_set_p): New function.
	(selftest::bitmap_c_tests): New function.
	* common.opt (fself-test): New.
	* diagnostic-show-locus.c: Include "selftest.h".
	(make_range): New function.
	(test_range_contains_point_for_single_point): New function.
	(test_range_contains_point_for_single_line): New function.
	(test_range_contains_point_for_multiple_lines): New function.
	(assert_eq): New function.
	(test_get_line_width_without_trailing_whitespace): New function.
	(selftest::diagnostic_show_locus_c_tests): New function.
	* et-forest.c: Include "selftest.h".
	(selftest::test_single_node): New function.
	(selftest::test_simple_tree): New function.
	(selftest::test_disconnected_nodes): New function.
	(selftest::et_forest_c_tests): New function.
	* fold-const.c: Include "selftest.h".
	(selftest::assert_binop_folds_to_const): New function.
	(selftest::assert_binop_folds_to_nonlvalue): New function.
	(selftest::test_arithmetic_folding): New function.
	(selftest::fold_const_c_tests): New function.
	* function-tests.c: New file.
	* gimple.c: Include "selftest.h".
	Include "gimple-pretty-print.h".
	(selftest::verify_gimple_pp): New function.
	(selftest::test_assign_single): New function.
	(selftest::test_assign_binop): New function.
	(selftest::test_nop_stmt): New function.
	(selftest::test_return_stmt): New function.
	(selftest::test_return_without_value): New function.
	(selftest::gimple_c_tests): New function.
	* hash-map-tests.c: New file.
	* hash-set-tests.c: New file.
	* input.c: Include "selftest.h".
	(selftest::assert_loceq): New function.
	(selftest::test_accessing_ordinary_linemaps): New function.
	(selftest::test_unknown_location): New function.
	(selftest::test_builtins): New function.
	(selftest::test_reading_source_line): New function.
	(selftest::input_c_tests): New function.
	* rtl-tests.c: New file.
	* selftest-run-tests.c: New file.
	* selftest.c: New file.
	* selftest.h: New file.
	* spellcheck.c: Include "selftest.h".
	(selftest::levenshtein_distance_unit_test_oneway): New function,
	adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
	(selftest::levenshtein_distance_unit_test): Likewise.
	(selftest::spellcheck_c_tests): Likewise.
	* toplev.c: Include selftest.h.
	(toplev::run_self_tests): New.
	(toplev::main): Handle -fself-test.
	* toplev.h (toplev::run_self_tests): New.
	* tree.c: Include "selftest.h".
	(selftest::test_integer_constants): New function.
	(selftest::test_identifiers): New function.
	(selftest::test_labels): New function.
	(selftest::tree_c_tests): New function.
	* tree-cfg.c: Include "selftest.h".
	(selftest::push_fndecl): New function.
	(selftest::test_linear_chain): New function.
	(selftest::test_diamond): New function.
	(selftest::test_fully_connected): New function.
	(selftest::tree_cfg_c_tests): New function.
	* vec.c: Include "selftest.h".
	(selftest::safe_push_range): New function.
	(selftest::test_quick_push): New function.
	(selftest::test_safe_push): New function.
	(selftest::test_truncate): New function.
	(selftest::test_safe_grow_cleared): New function.
	(selftest::test_pop): New function.
	(selftest::test_safe_insert): New function.
	(selftest::test_ordered_remove): New function.
	(selftest::test_unordered_remove): New function.
	(selftest::test_block_remove): New function.
	(selftest::reverse_cmp): New function.
	(selftest::test_qsort): New function.
	(selftest::vec_c_tests): New function.c.
	* wide-int.cc: Include selftest.h and wide-int-print.h.
	(selftest::from_int <wide_int>): New function.
	(selftest::from_int <offset_int>): New function.
	(selftest::from_int <widest_int>): New function.
	(selftest::assert_deceq): New function.
	(selftest::assert_hexeq): New function.
	(selftest::test_printing <VALUE_TYPE>): New function template.
	(selftest::test_ops <VALUE_TYPE>): New function template.
	(selftest::test_comparisons <VALUE_TYPE>): New function template.
	(selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
	template.
	(selftest::wide_int_cc_tests): New function.

gcc/testsuite/ChangeLog:
	* gcc.dg/plugin/levenshtein-test-1.c: Delete.
	* gcc.dg/plugin/levenshtein_plugin.c: Delete.
	* gcc.dg/plugin/plugin.exp (plugin_test_list): Remove the
	above.

From-SVN: r237144

1 files changed, 77 insertions, 0 deletions

diff --git a/gcc/selftest-run-tests.c b/gcc/selftest-run-tests.c
new file mode 100644
index 0000000..ab334aa
--- /dev/null
+++ b/gcc/selftest-run-tests.c
@@ -0,0 +1,77 @@
+/* Implementation of selftests.
+   Copyright (C) 2015-2016 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "selftest.h"
+
+/* This function needed to be split out from selftest.c as it references
+   tests from the whole source tree, and so is within
+   OBJS in Makefile.in, whereas selftest.o is within OBJS-libcommon.
+   This allows us to embed tests within files in OBJS-libcommon without
+   introducing a dependency on objects within OBJS.  */
+
+#if CHECKING_P
+
+/* Run all tests, aborting if any fail.  */
+
+void
+selftest::run_tests ()
+{
+  long start_time = get_run_time ();
+
+  /* Run all the tests, in hand-coded order of (approximate) dependencies:
+     run the tests for lowest-level code first.  */
+
+  /* Low-level data structures.  */
+  bitmap_c_tests ();
+  et_forest_c_tests ();
+  hash_map_tests_c_tests ();
+  hash_set_tests_c_tests ();
+  vec_c_tests ();
+  wide_int_cc_tests ();
+
+  /* Mid-level data structures.  */
+  input_c_tests ();
+  tree_c_tests ();
+  gimple_c_tests ();
+  rtl_tests_c_tests ();
+
+  /* Higher-level tests, or for components that other selftests don't
+     rely on.  */
+  diagnostic_show_locus_c_tests ();
+  fold_const_c_tests ();
+  spellcheck_c_tests ();
+  tree_cfg_c_tests ();
+
+  /* This one relies on most of the above.  */
+  function_tests_c_tests ();
+
+  /* Finished running tests.  */
+  long finish_time = get_run_time ();
+  long elapsed_time = finish_time - start_time;
+
+  fprintf (stderr,
+	   "-fself-test: %i pass(es) in %ld.%06ld seconds\n",
+	   num_passes,
+	   elapsed_time / 1000000, elapsed_time % 1000000);
+}
+
+#endif /* #if CHECKING_P */