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author | kientzle <kientzle@FreeBSD.org> | 2007-07-13 15:16:26 +0000 |
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committer | kientzle <kientzle@FreeBSD.org> | 2007-07-13 15:16:26 +0000 |
commit | 8f8854b459c223757a69e6a82853c6c695025fdd (patch) | |
tree | 5f73473fee5ff7c69387eeda14efca3fe0c7e767 /lib/libarchive/test | |
parent | 92f47c1ca3555816f3ea12c665faf3e43c99b0e0 (diff) | |
download | FreeBSD-src-8f8854b459c223757a69e6a82853c6c695025fdd.zip FreeBSD-src-8f8854b459c223757a69e6a82853c6c695025fdd.tar.gz |
Make the test for reading gtar sparse entries more robust;
it now verifies that the returned blocks have the correct data
at the correct file offsets, ignoring any null padding that
may exist.
Approved by: re (blanket, libarchive test suite)
Diffstat (limited to 'lib/libarchive/test')
-rw-r--r-- | lib/libarchive/test/test_read_format_gtar_sparse.c | 233 |
1 files changed, 198 insertions, 35 deletions
diff --git a/lib/libarchive/test/test_read_format_gtar_sparse.c b/lib/libarchive/test/test_read_format_gtar_sparse.c index 16393a7..b9f1d81 100644 --- a/lib/libarchive/test/test_read_format_gtar_sparse.c +++ b/lib/libarchive/test/test_read_format_gtar_sparse.c @@ -33,6 +33,16 @@ __FBSDID("$FreeBSD$"); * * a single 'a' byte at offset 200000 */ +static struct contents { + off_t o; + size_t s; + char *d; +} archive_contents[] = { + { 1000000, 1, "a" }, + { 2000000, 1, "a" }, + { 3145728, 0, NULL } +}; + /* Old GNU tar sparse format. */ static unsigned char archive_old[] = { 31,139,8,0,150,221,'l','F',0,3,'+','.','H',',','*','N','e',160,')','0',0, @@ -81,6 +91,145 @@ static unsigned char archive_0_1[] = { 164,'I',243,147,'H','$',18,227,240,1,'Q',127,'c',137,0,14,0,0}; /* GNU tar "1.0" posix format, as written by GNU tar 1.16.1. */ +#if 1 +static unsigned char archive_1_0[] = { +'.','/','P','a','x','H','e','a','d','e','r','s','.','7','2','6','6','8','/', 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- if (buff_size < data_index - start_index) - return; - for (i = 0; i < data_index - start_index; i++) - assert(buff[i] == 0); - assert(0 == memcmp(buff + (data_index - start_index), data, strlen(data))); - i += strlen(data); - for (; i < buff_size; i++) - assert(buff[i] == 0); -} +#define min(a,b) ((a) < (b) ? (a) : (b)) static void -verify_archive(void *b, size_t l) +verify_archive(void *b, size_t l, struct contents *cts) { struct archive_entry *ae; struct archive *a; - const void *d; - size_t s; - off_t o; + int err; + /* data, size, offset of next expected block. */ + struct contents e; + /* data, size, offset of block read from archive. */ + const void *ad; + size_t as; + off_t ao; assert((a = archive_read_new()) != NULL); assert(0 == archive_read_support_compression_all(a)); - assert(0 == archive_read_support_format_all(a)); - assert(0 == archive_read_open_memory(a, b, l)); + assert(0 == archive_read_support_format_tar(a)); + assert(0 == read_open_memory(a, b, l, 3)); assertEqualIntA(a, 0, archive_read_next_header(a, &ae)); - assertEqualIntA(a, 0, archive_read_data_block(a, &d, &s, &o)); - test_data(d, s, o, 1000000, "a"); - assertEqualIntA(a, 0, archive_read_data_block(a, &d, &s, &o)); - test_data(d, s, o, 2000000, "a"); - assertEqualIntA(a, ARCHIVE_EOF, archive_read_data_block(a, &d, &s, &o)); + e = *cts++; + while (0 == (err = archive_read_data_block(a, &ad, &as, &ao))) { + while (as > 0) { + /* Anything before the next expected block must be NULL. */ + char c = *(char *)ad; + if(ao < e.o) { + assert(c == 0); + } else if (ao == e.o) { + assert(c == *e.d); + e.d++; + e.o++; + e.s--; + /* End of expected? step to next expected. */ + if (e.s <= 0) + e = *cts++; + } else { + failure("Expected data not found"); + assert(ao <= e.o); + archive_read_finish(a); + return; + } + ad++; + ao++; + as--; + } + } + assertEqualIntA(a, err, ARCHIVE_EOF); failure("Size returned at EOF must be zero"); - assertEqualInt(s, 0); + assertEqualInt(as, 0); #if ARCHIVE_VERSION_STAMP < 1009000 /* libarchive < 1.9 doesn't get this right */ skipping("offset of final sparse chunk"); #else failure("Offset of final empty chunk must be same as file size"); - assertEqualInt(o, 3145728); + assertEqualInt(ao, e.o); #endif assert(0 == archive_read_close(a)); @@ -159,7 +318,11 @@ verify_archive(void *b, size_t l) DEFINE_TEST(test_read_format_gtar_sparse) { - verify_archive(archive_old, sizeof(archive_old)); + FILE *t = fopen("archive_1_0.tgz", "w"); + fwrite(archive_1_0, sizeof(archive_1_0), 1, t); + fclose(t); + + verify_archive(archive_old, sizeof(archive_old), archive_contents); /* * libarchive < 1.9 doesn't support the newer sparse formats @@ -168,17 +331,17 @@ DEFINE_TEST(test_read_format_gtar_sparse) #if ARCHIVE_VERSION_STAMP < 1009000 skipping("read support for GNUtar sparse format 0.0"); #else - verify_archive(archive_0_0, sizeof(archive_0_0)); + verify_archive(archive_0_0, sizeof(archive_0_0), archive_contents); #endif #if ARCHIVE_VERSION_STAMP < 1009000 skipping("read support for GNUtar sparse format 0.1"); #else - verify_archive(archive_0_1, sizeof(archive_0_1)); + verify_archive(archive_0_1, sizeof(archive_0_1), archive_contents); #endif #if ARCHIVE_VERSION_STAMP < 1009000 skipping("read support for GNUtar sparse format 1.0"); #else - verify_archive(archive_1_0, sizeof(archive_1_0)); + verify_archive(archive_1_0, sizeof(archive_1_0), archive_contents); #endif } |