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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
commit485f6ecd453d8a2fd8b9b9fadea03159d8b50797 (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /tests/printf_unit_test.c
parentInitial commit. (diff)
downloadgrub2-upstream.tar.xz
grub2-upstream.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tests/printf_unit_test.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/tests/printf_unit_test.c b/tests/printf_unit_test.c
new file mode 100644
index 0000000..098c29f
--- /dev/null
+++ b/tests/printf_unit_test.c
@@ -0,0 +1,78 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2011 Free Software Foundation, Inc.
+ *
+ * GRUB 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 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <grub/test.h>
+#include <grub/misc.h>
+
+#define MSG "printf test failed: %s, %s", real, expected
+
+#if defined(__GNUC__) && __GNUC__ >= 7
+#pragma GCC diagnostic ignored "-Wformat-truncation="
+#endif
+
+static void
+printf_test (void)
+{
+ char real[512];
+ char expected[512];
+ char *null = NULL;
+
+ grub_snprintf (real, sizeof (real), "%s", null);
+ snprintf (expected, sizeof (expected), "%s", null);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+
+ grub_snprintf (real, sizeof (real), "%10s", null);
+ snprintf (expected, sizeof (expected), "%10s", null);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+
+ grub_snprintf (real, sizeof (real), "%-10s", null);
+ snprintf (expected, sizeof (expected), "%-10s", null);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+
+ grub_snprintf (real, sizeof (real), "%d%%", 10);
+ snprintf (expected, sizeof (expected), "%d%%", 10);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+
+ grub_snprintf (real, sizeof (real), "%d %%", 10);
+ snprintf (expected, sizeof (expected), "%d %%", 10);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+
+ grub_snprintf (real, sizeof (real), "%%");
+ snprintf (expected, sizeof (expected), "%%");
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+
+ grub_snprintf (real, sizeof (real), "%d %d %d", 1, 2, 3);
+ snprintf (expected, sizeof (expected), "%d %d %d", 1, 2, 3);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+ grub_snprintf (real, sizeof (real), "%3$d %2$d %1$d", 1, 2, 3);
+ snprintf (expected, sizeof (expected), "%3$d %2$d %1$d", 1, 2, 3);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+ grub_snprintf (real, sizeof (real), "%d %lld %d", 1, 2LL, 3);
+ snprintf (expected, sizeof (expected), "%d %lld %d", 1, 2LL, 3);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+ grub_snprintf (real, sizeof (real), "%3$d %2$lld %1$d", 1, 2LL, 3);
+ snprintf (expected, sizeof (expected), "%3$d %2$lld %1$d", 1, 2LL, 3);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+ grub_snprintf (real, sizeof (real), "%%0%dd ", 1);
+ snprintf (expected, sizeof (expected), "%%0%dd ", 1);
+ grub_test_assert (strcmp (real, expected) == 0, MSG);
+}
+
+GRUB_UNIT_TEST ("printf_unit_test", printf_test);