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regex test: improve diagnostics for some failures

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These fail with system PCRE 8.35, but the improved diagnostics are
generic.

Reviewed-by: Christian Persch <chpe@gnome.org>
Bug: https://bugzilla.gnome.org/show_bug.cgi?id=733325
This commit is contained in:
Simon McVittie 2014-07-20 19:33:17 +01:00
parent 073a81d1da
commit 1fdece4f22
1 changed files with 62 additions and 3 deletions
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65
glib/tests/regex.c
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@ -194,7 +194,32 @@ test_match (gconstpointer d)
match = g_regex_match_full (regex, data->string, data->string_len,
data->start_position, data->match_opts2, NULL, NULL);
g_assert_cmpint (match, ==, data->expected);
if (data->expected)
{
if (!match)
g_error ("Regex '%s' (with compile options %u and "
"match options %u) should have matched '%.*s' "
"(of length %d, at position %d, with match options %u) but did not",
data->pattern, data->compile_opts, data->match_opts,
data->string_len == -1 ? (int) strlen (data->string) :
(int) data->string_len,
data->string, (int) data->string_len,
data->start_position, data->match_opts2);
g_assert_cmpint (match, ==, TRUE);
}
else
{
if (match)
g_error ("Regex '%s' (with compile options %u and "
"match options %u) should not have matched '%.*s' "
"(of length %d, at position %d, with match options %u) but did",
data->pattern, data->compile_opts, data->match_opts,
data->string_len == -1 ? (int) strlen (data->string) :
(int) data->string_len,
data->string, (int) data->string_len,
data->start_position, data->match_opts2);
}
if (data->string_len == -1 && data->start_position == 0)
{
@ -1020,10 +1045,13 @@ test_expand (gconstpointer d)
GRegex *regex = NULL;
GMatchInfo *match_info = NULL;
gchar *res;
GError *error = NULL;
if (data->pattern)
{
regex = g_regex_new (data->pattern, data->raw ? G_REGEX_RAW : 0, 0, NULL);
regex = g_regex_new (data->pattern, data->raw ? G_REGEX_RAW : 0, 0,
&error);
g_assert_no_error (error);
g_regex_match (regex, data->string, 0, &match_info);
}
@ -1279,7 +1307,38 @@ test_match_all (gconstpointer d)
g_assert (match_ok);
match_count = g_match_info_get_match_count (match_info);
g_assert_cmpint (match_count, ==, g_slist_length (data->expected));
if (match_count != g_slist_length (data->expected))
{
g_message ("regex: %s", data->pattern);
g_message ("string: %s", data->string);
g_message ("matched strings:");
for (i = 0; i < match_count; i++)
{
gint start, end;
gchar *matched_string;
matched_string = g_match_info_fetch (match_info, i);
g_match_info_fetch_pos (match_info, i, &start, &end);
g_message ("%d. %d-%d '%s'", i, start, end, matched_string);
g_free (matched_string);
}
g_message ("expected strings:");
i = 0;
for (l_exp = data->expected; l_exp != NULL; l_exp = l_exp->next)
{
Match *exp = l_exp->data;
g_message ("%d. %d-%d '%s'", i, exp->start, exp->end, exp->string);
i++;
}
g_error ("match_count not as expected: %d != %d",
match_count, g_slist_length (data->expected));
}
l_exp = data->expected;
for (i = 0; i < match_count; i++)