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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237144 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 118 insertions, 0 deletions

diff --git a/gcc/et-forest.c b/gcc/et-forest.c
index cd36752a277..766a1a3f35b 100644
--- a/gcc/et-forest.c
+++ b/gcc/et-forest.c
@@ -27,6 +27,7 @@ License along with libiberty; see the file COPYING3.  If not see
 #include "coretypes.h"
 #include "alloc-pool.h"
 #include "et-forest.h"
+#include "selftest.h"
 
 /* We do not enable this with CHECKING_P, since it is awfully slow.  */
 #undef DEBUG_ET
@@ -764,3 +765,120 @@ et_root (struct et_node *node)
 
   return r->of;
 }
+
+#if CHECKING_P
+
+namespace selftest {
+
+/* Selftests for et-forest.c.  */
+
+/* Perform sanity checks for a tree consisting of a single node.  */
+
+static void
+test_single_node ()
+{
+  void *test_data = (void *)0xcafebabe;
+
+  et_node *n = et_new_tree (test_data);
+  ASSERT_EQ (n->data, test_data);
+  ASSERT_EQ (n, et_root (n));
+  et_free_tree (n);
+}
+
+/* Test of this tree:
+       a
+      / \
+     /   \
+    b     c
+   / \    |
+  d   e   f.  */
+
+static void
+test_simple_tree ()
+{
+  et_node *a = et_new_tree (NULL);
+  et_node *b = et_new_tree (NULL);
+  et_node *c = et_new_tree (NULL);
+  et_node *d = et_new_tree (NULL);
+  et_node *e = et_new_tree (NULL);
+  et_node *f = et_new_tree (NULL);
+
+  et_set_father (b, a);
+  et_set_father (c, a);
+  et_set_father (d, b);
+  et_set_father (e, b);
+  et_set_father (f, c);
+
+  ASSERT_TRUE (et_below (a, a));
+  ASSERT_TRUE (et_below (b, a));
+  ASSERT_TRUE (et_below (c, a));
+  ASSERT_TRUE (et_below (d, a));
+  ASSERT_TRUE (et_below (e, a));
+  ASSERT_TRUE (et_below (f, a));
+
+  ASSERT_FALSE (et_below (a, b));
+  ASSERT_TRUE (et_below (b, b));
+  ASSERT_FALSE (et_below (c, b));
+  ASSERT_TRUE (et_below (d, b));
+  ASSERT_TRUE (et_below (e, b));
+  ASSERT_FALSE (et_below (f, b));
+
+  ASSERT_FALSE (et_below (a, c));
+  ASSERT_FALSE (et_below (b, c));
+  ASSERT_TRUE (et_below (c, c));
+  ASSERT_FALSE (et_below (d, c));
+  ASSERT_FALSE (et_below (e, c));
+  ASSERT_TRUE (et_below (f, c));
+
+  ASSERT_FALSE (et_below (a, d));
+  ASSERT_FALSE (et_below (b, d));
+  ASSERT_FALSE (et_below (c, d));
+  ASSERT_TRUE (et_below (d, d));
+  ASSERT_FALSE (et_below (e, d));
+  ASSERT_FALSE (et_below (f, d));
+
+  ASSERT_FALSE (et_below (a, e));
+  ASSERT_FALSE (et_below (b, e));
+  ASSERT_FALSE (et_below (c, e));
+  ASSERT_FALSE (et_below (d, e));
+  ASSERT_TRUE (et_below (e, e));
+  ASSERT_FALSE (et_below (f, e));
+
+  ASSERT_FALSE (et_below (a, f));
+  ASSERT_FALSE (et_below (b, f));
+  ASSERT_FALSE (et_below (c, f));
+  ASSERT_FALSE (et_below (d, f));
+  ASSERT_FALSE (et_below (e, f));
+  ASSERT_TRUE (et_below (f, f));
+
+  et_free_tree_force (a);
+}
+
+/* Verify that two disconnected nodes are unrelated.  */
+
+static void
+test_disconnected_nodes ()
+{
+  et_node *a = et_new_tree (NULL);
+  et_node *b = et_new_tree (NULL);
+
+  ASSERT_FALSE (et_below (a, b));
+  ASSERT_FALSE (et_below (b, a));
+
+  et_free_tree (a);
+  et_free_tree (b);
+}
+
+/* Run all of the selftests within this file.  */
+
+void
+et_forest_c_tests ()
+{
+  test_single_node ();
+  test_simple_tree ();
+  test_disconnected_nodes ();
+}
+
+} // namespace selftest
+
+#endif /* CHECKING_P */