Add a libtar test case for a completely filled link target field

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 113 insertions, 0 deletions

diff --git a/tests/tar_target_filled.c b/tests/tar_target_filled.c
new file mode 100644
index 0000000..6e8d923
--- /dev/null
+++ b/tests/tar_target_filled.c
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * tar_target_filled.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#include "config.h"
+
+#include "tar.h"
+#include "test.h"
+
+#define STR(x) #x
+#define STRVALUE(x) STR(x)
+
+#define TEST_PATH STRVALUE(TESTPATH)
+
+int main(void)
+{
+	tar_header_decoded_t hdr;
+	char buffer[16];
+	FILE *fp;
+
+	TEST_ASSERT(chdir(TEST_PATH) == 0);
+
+	fp = test_open_read("format-acceptance/link_filled.tar");
+
+	/* "deep" directory hierarchy containg 2 files */
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20_characters_here01/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20_characters_here01/20_characters_here02/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20_characters_here01/20_characters_here02/"
+		       "20_characters_here03/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20_characters_here01/20_characters_here02/"
+		       "20_characters_here03/20_characters_here04/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFREG | 0777);
+	TEST_STR_EQUAL(hdr.name, "20_characters_here01/20_characters_here02/"
+		       "20_characters_here03/20_characters_here04/"
+		       "errored_file_tst");
+	TEST_EQUAL_UI(hdr.sb.st_size, 5);
+	TEST_ASSERT(read_retry("data0", fp, buffer, 5) == 0);
+	buffer[5] = '\0';
+	TEST_STR_EQUAL(buffer, "test\n");
+	TEST_ASSERT(skip_padding(fp, 5) == 0);
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFREG | 0777);
+	TEST_STR_EQUAL(hdr.name, "20_characters_here01/20_characters_here02/"
+		       "20_characters_here03/20_characters_here04/"
+		       "some_test_file");
+	TEST_EQUAL_UI(hdr.sb.st_size, 5);
+	TEST_ASSERT(read_retry("data1", fp, buffer, 5) == 0);
+	buffer[5] = '\0';
+	TEST_STR_EQUAL(buffer, "test\n");
+	TEST_ASSERT(skip_padding(fp, 5) == 0);
+	clear_header(&hdr);
+
+	/* "deep" directory hierarchy containg a hard link */
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20CharsForLnkTest001/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20CharsForLnkTest001/20CharsForLnkTest002/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20CharsForLnkTest001/20CharsForLnkTest002/"
+		       "20CharsForLnkTest003/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_EQUAL_UI(hdr.sb.st_mode, S_IFDIR | 0777);
+	TEST_STR_EQUAL(hdr.name, "20CharsForLnkTest001/20CharsForLnkTest002/"
+		       "20CharsForLnkTest003/20CharsForLnkTest004/");
+	clear_header(&hdr);
+
+	TEST_ASSERT(read_header(fp, &hdr) == 0);
+	TEST_STR_EQUAL(hdr.name, "20CharsForLnkTest001/20CharsForLnkTest002/"
+		       "20CharsForLnkTest003/20CharsForLnkTest004/"
+		       "01234567890123456789");
+	TEST_ASSERT(hdr.is_hard_link);
+
+	TEST_STR_EQUAL(hdr.link_target, "20_characters_here01/"
+		       "20_characters_here02/20_characters_here03/"
+		       "20_characters_here04/errored_file_tst");
+	clear_header(&hdr);
+
+	/* end of file */
+	TEST_ASSERT(read_header(fp, &hdr) > 0);
+	fclose(fp);
+
+	return EXIT_SUCCESS;
+}