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pretty-print.c: add selftest::test_prefixes_and_wrapping

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gcc/ChangeLog:
	* pretty-print.c (class selftest::test_pretty_printer): New
	subclass of pretty_printer.
	(selftest::test_prefixes_and_wrapping): New test.
	(selftest::pretty_print_c_tests): Call it.

From-SVN: r266695
This commit is contained in:
David Malcolm 2018-11-30 22:46:45 +00:00 committed by David Malcolm
parent ed1b53a0ab
commit 553a316b99
2 changed files with 103 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2018-11-30 David Malcolm <dmalcolm@redhat.com>
* pretty-print.c (class selftest::test_pretty_printer): New
subclass of pretty_printer.
(selftest::test_prefixes_and_wrapping): New test.
(selftest::pretty_print_c_tests): Call it.
2018-11-30 Michael Ploujnikov <michael.ploujnikov@oracle.com>
Minimize clone counter memory usage in create_virtual_clone.

96
gcc/pretty-print.c
View File

@ -2217,6 +2217,101 @@ test_pp_format ()
"problem with %qs at line %i", "bar", 10);
}
/* A subclass of pretty_printer for use by test_prefixes_and_wrapping. */
class test_pretty_printer : public pretty_printer
{
public:
test_pretty_printer (enum diagnostic_prefixing_rule_t rule,
int max_line_length)
{
pp_set_prefix (this, xstrdup ("PREFIX: "));
wrapping.rule = rule;
pp_set_line_maximum_length (this, max_line_length);
}
};
/* Verify that the various values of enum diagnostic_prefixing_rule_t work
as expected, with and without line wrapping. */
static void
test_prefixes_and_wrapping ()
{
/* Tests of the various prefixing rules, without wrapping.
Newlines embedded in pp_string don't affect it; we have to
explicitly call pp_newline. */
{
test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_ONCE, 0);
pp_string (&pp, "the quick brown fox");
pp_newline (&pp);
pp_string (&pp, "jumps over the lazy dog");
pp_newline (&pp);
ASSERT_STREQ (pp_formatted_text (&pp),
"PREFIX: the quick brown fox\n"
" jumps over the lazy dog\n");
}
{
test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_NEVER, 0);
pp_string (&pp, "the quick brown fox");
pp_newline (&pp);
pp_string (&pp, "jumps over the lazy dog");
pp_newline (&pp);
ASSERT_STREQ (pp_formatted_text (&pp),
"the quick brown fox\n"
"jumps over the lazy dog\n");
}
{
test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE, 0);
pp_string (&pp, "the quick brown fox");
pp_newline (&pp);
pp_string (&pp, "jumps over the lazy dog");
pp_newline (&pp);
ASSERT_STREQ (pp_formatted_text (&pp),
"PREFIX: the quick brown fox\n"
"PREFIX: jumps over the lazy dog\n");
}
/* Tests of the various prefixing rules, with wrapping. */
{
test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_ONCE, 20);
pp_string (&pp, "the quick brown fox jumps over the lazy dog");
pp_newline (&pp);
pp_string (&pp, "able was I ere I saw elba");
pp_newline (&pp);
ASSERT_STREQ (pp_formatted_text (&pp),
"PREFIX: the quick \n"
" brown fox jumps \n"
" over the lazy \n"
" dog\n"
" able was I ere I \n"
" saw elba\n");
}
{
test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_NEVER, 20);
pp_string (&pp, "the quick brown fox jumps over the lazy dog");
pp_newline (&pp);
pp_string (&pp, "able was I ere I saw elba");
pp_newline (&pp);
ASSERT_STREQ (pp_formatted_text (&pp),
"the quick brown fox \n"
"jumps over the lazy \n"
"dog\n"
"able was I ere I \n"
"saw elba\n");
}
{
test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE, 20);
pp_string (&pp, "the quick brown fox jumps over the lazy dog");
pp_newline (&pp);
pp_string (&pp, "able was I ere I saw elba");
pp_newline (&pp);
ASSERT_STREQ (pp_formatted_text (&pp),
"PREFIX: the quick brown fox jumps over the lazy dog\n"
"PREFIX: able was I ere I saw elba\n");
}
}
/* Run all of the selftests within this file. */
void
@ -2224,6 +2319,7 @@ pretty_print_c_tests ()
{
test_basic_printing ();
test_pp_format ();
test_prefixes_and_wrapping ();
}
} // namespace selftest