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-rw-r--r--libarchive/test/test_compat_zstd.c82
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diff --git a/libarchive/test/test_compat_zstd.c b/libarchive/test/test_compat_zstd.c
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+/*-
+ * Copyright (c) 2017 Sean Purcell
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "test.h"
+__FBSDID("$FreeBSD$");
+
+/*
+ * Verify our ability to read sample files compatibly with 'zstd -d'.
+ *
+ * In particular:
+ * * zstd -d will read multiple zstd streams, concatenating the output
+ * * zstd -d will skip over zstd skippable frames
+ */
+
+static void
+compat_zstd(const char *name)
+{
+ const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
+ struct archive_entry *ae;
+ struct archive *a;
+ int i, r;
+
+ assert((a = archive_read_new()) != NULL);
+ assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
+ r = archive_read_support_filter_zstd(a);
+ if (r == ARCHIVE_WARN) {
+ skipping("zstd reading not fully supported on this platform");
+ assertEqualInt(ARCHIVE_OK, archive_read_free(a));
+ return;
+ }
+ assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
+ extract_reference_file(name);
+ assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 2));
+
+ /* Read entries, match up names with list above. */
+ for (i = 0; i < 6; ++i) {
+ failure("Could not read file %d (%s) from %s", i, n[i], name);
+ assertEqualIntA(a, ARCHIVE_OK,
+ archive_read_next_header(a, &ae));
+ assertEqualString(n[i], archive_entry_pathname(ae));
+ }
+
+ /* Verify the end-of-archive. */
+ assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
+
+ /* Verify that the format detection worked. */
+ assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_ZSTD);
+ assertEqualString(archive_filter_name(a, 0), "zstd");
+ assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
+
+ assertEqualInt(ARCHIVE_OK, archive_read_close(a));
+ assertEqualInt(ARCHIVE_OK, archive_read_free(a));
+}
+
+
+DEFINE_TEST(test_compat_zstd)
+{
+ /* This sample was compressed as 3 separate streams with a zstd skippable
+ * frame placed in the middle */
+ compat_zstd("test_compat_zstd_1.tar.zst");
+}