Imported to git.

1 files changed, 717 insertions, 0 deletions

diff --git a/tests/test_info.c b/tests/test_info.c
new file mode 100644
index 00000000..e7899ef3
--- /dev/null
+++ b/tests/test_info.c
@@ -0,0 +1,717 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       test_info.c
+/// \brief      Tests functions handling the lzma_info structure
+//
+//  Copyright (C) 2007 Lasse Collin
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2.1 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "tests.h"
+
+
+static lzma_info *info = NULL;
+static lzma_info_iter iter;
+
+static lzma_vli stream_start = 0;
+static lzma_vli header_metadata_size = LZMA_VLI_VALUE_UNKNOWN;
+static lzma_vli total_size = LZMA_VLI_VALUE_UNKNOWN;
+static lzma_vli uncompressed_size = LZMA_VLI_VALUE_UNKNOWN;
+static lzma_vli footer_metadata_size = LZMA_VLI_VALUE_UNKNOWN;
+
+static lzma_index my_index[3] = {
+	{ 22, 33, my_index + 1 },
+	{ 44, 55, my_index + 2 },
+	{ 66, 77, NULL },
+};
+
+static lzma_metadata my_metadata = {
+	.header_metadata_size = 11,
+	.total_size = 22 + 44 + 66,
+	.uncompressed_size = 33 + 55 + 77,
+	.index = my_index,
+	.extra = NULL,
+};
+
+
+static void
+reset(void)
+{
+	expect(lzma_info_init(info, NULL) == info);
+	stream_start = 0;
+	header_metadata_size = LZMA_VLI_VALUE_UNKNOWN;
+	total_size = LZMA_VLI_VALUE_UNKNOWN;
+	uncompressed_size = LZMA_VLI_VALUE_UNKNOWN;
+	footer_metadata_size = LZMA_VLI_VALUE_UNKNOWN;
+}
+
+
+static void
+validate(void)
+{
+	expect(lzma_info_size_get(info, LZMA_INFO_STREAM_START)
+			== stream_start);
+	expect(lzma_info_size_get(info, LZMA_INFO_HEADER_METADATA)
+			== header_metadata_size);
+	expect(lzma_info_size_get(info, LZMA_INFO_TOTAL) == total_size);
+	expect(lzma_info_size_get(info, LZMA_INFO_UNCOMPRESSED)
+			== uncompressed_size);
+	expect(lzma_info_size_get(info, LZMA_INFO_FOOTER_METADATA)
+			== footer_metadata_size);
+}
+
+
+static void
+test1(void)
+{
+	// Basics
+	expect(lzma_info_size_set(info, LZMA_INFO_STREAM_START,
+			stream_start = 1234) == LZMA_OK);
+	validate();
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA,
+			header_metadata_size = 2345) == LZMA_OK);
+	validate();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, total_size = 3456)
+			== LZMA_OK);
+	validate();
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED,
+			uncompressed_size = 4567) == LZMA_OK);
+	validate();
+	expect(lzma_info_size_set(info, LZMA_INFO_FOOTER_METADATA,
+			footer_metadata_size = 5432) == LZMA_OK);
+	validate();
+
+	// Not everything allow zero size
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_STREAM_START,
+			stream_start = 0) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA,
+			header_metadata_size = 0) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED,
+			uncompressed_size = 0) == LZMA_OK);
+	validate();
+
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, 0)
+			== LZMA_PROG_ERROR);
+
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_FOOTER_METADATA, 0)
+			== LZMA_PROG_ERROR);
+
+	// Invalid sizes
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_STREAM_START,
+			LZMA_VLI_VALUE_MAX + 1) == LZMA_PROG_ERROR);
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA,
+			LZMA_VLI_VALUE_MAX + 1) == LZMA_PROG_ERROR);
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL,
+			LZMA_VLI_VALUE_MAX + 1) == LZMA_PROG_ERROR);
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED,
+			LZMA_VLI_VALUE_MAX + 1) == LZMA_PROG_ERROR);
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_FOOTER_METADATA,
+			LZMA_VLI_VALUE_MAX + 1) == LZMA_PROG_ERROR);
+
+	reset();
+}
+
+
+static bool
+test2_helper(lzma_vli *num, lzma_info_size type)
+{
+	expect(lzma_info_size_set(info, type, *num = 1234) == LZMA_OK);
+	validate();
+	const bool ret = lzma_info_size_set(info, type, 4321) != LZMA_OK;
+	reset();
+	return ret;
+}
+
+
+static void
+test2(void)
+{
+	// Excluding start offset of Stream, once a size has been set,
+	// trying to set some other known value fails.
+	expect(!test2_helper(&stream_start, LZMA_INFO_STREAM_START));
+	expect(test2_helper(&header_metadata_size, LZMA_INFO_HEADER_METADATA));
+	expect(test2_helper(&total_size, LZMA_INFO_TOTAL));
+	expect(test2_helper(&uncompressed_size, LZMA_INFO_UNCOMPRESSED));
+	expect(test2_helper(&footer_metadata_size, LZMA_INFO_FOOTER_METADATA));
+}
+
+
+static void
+test3_init(void)
+{
+	reset();
+	lzma_info_iter_begin(info, &iter);
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+}
+
+
+static void
+test3(void)
+{
+	// Setting the same sizes multiple times for the same Index Record
+	// is OK, but the values must always be the same.
+	test3_init();
+	expect(lzma_info_index_count_get(info) == 1);
+	expect(lzma_info_iter_set(&iter, 1234, 2345) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 1);
+	expect(lzma_info_iter_set(&iter, 1234, 2345) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 1);
+	expect(lzma_info_iter_set(&iter, 1111, 2345) == LZMA_DATA_ERROR);
+
+	// Cannot finish an empty Index.
+	test3_init();
+	expect(lzma_info_index_finish(info) == LZMA_DATA_ERROR);
+
+	test3_init();
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 2);
+	expect(lzma_info_iter_set(&iter, 1234, 2345) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 2);
+	expect(lzma_info_index_finish(info) == LZMA_DATA_ERROR);
+
+	test3_init();
+	expect(lzma_info_iter_set(&iter, 1234, 2345) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 1);
+	expect(lzma_info_index_finish(info) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, 1234) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED, 2345)
+			== LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, 1111)
+			== LZMA_DATA_ERROR);
+
+	test3_init();
+	expect(lzma_info_iter_set(&iter, 1234, 2345) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 1);
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 2);
+	expect(lzma_info_iter_set(&iter, 4321, 5432) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 2);
+	expect(lzma_info_index_finish(info) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, 1234 + 4321)
+			== LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED, 2345 + 5432)
+			== LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED, 1111)
+			== LZMA_DATA_ERROR);
+
+	test3_init();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, 1234 + 4321)
+			== LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED, 2345 + 5432)
+			== LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED, 1111)
+			== LZMA_DATA_ERROR);
+	expect(lzma_info_iter_set(&iter, 1234, 2345) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 1);
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 2);
+	expect(lzma_info_iter_set(&iter, 4321, 5432) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 2);
+	expect(lzma_info_index_finish(info) == LZMA_OK);
+
+	test3_init();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, 1000) == LZMA_OK);
+	expect(lzma_info_iter_set(&iter, 1001, 2001) == LZMA_DATA_ERROR);
+
+	test3_init();
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED, 2000)
+			== LZMA_OK);
+	expect(lzma_info_iter_set(&iter, 1001, 2001) == LZMA_DATA_ERROR);
+
+	reset();
+}
+
+
+static void
+test4(void)
+{
+	// 4a
+	lzma_info_iter_begin(info, &iter);
+	expect(lzma_info_index_count_get(info) == 0);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_offset == 0);
+	expect(lzma_info_index_count_get(info) == 1);
+
+	expect(lzma_info_iter_set(&iter, 22, 33) == LZMA_OK);
+	expect(iter.total_size == 22);
+	expect(iter.uncompressed_size == 33);
+	expect(iter.stream_offset == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_offset == 0);
+	expect(lzma_info_index_count_get(info) == 1);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_offset == 33);
+
+	// 4b
+	reset();
+	lzma_info_iter_begin(info, &iter);
+	expect(lzma_info_index_count_get(info) == 0);
+	expect(lzma_info_size_set(info, LZMA_INFO_STREAM_START, 5) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA, 11)
+			== LZMA_OK);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11);
+	expect(iter.uncompressed_offset == 0);
+	expect(lzma_info_index_count_get(info) == 1);
+
+	expect(lzma_info_iter_set(&iter, 22, 33) == LZMA_OK);
+	expect(iter.total_size == 22);
+	expect(iter.uncompressed_size == 33);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11);
+	expect(iter.uncompressed_offset == 0);
+	expect(lzma_info_index_count_get(info) == 1);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11 + 22);
+	expect(iter.uncompressed_offset == 33);
+	expect(lzma_info_index_count_get(info) == 2);
+
+	expect(lzma_info_iter_set(&iter, 44, 55) == LZMA_OK);
+	expect(iter.total_size == 44);
+	expect(iter.uncompressed_size == 55);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11 + 22);
+	expect(iter.uncompressed_offset == 33);
+	expect(lzma_info_index_count_get(info) == 2);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44);
+	expect(iter.uncompressed_offset == 33 + 55);
+	expect(lzma_info_index_count_get(info) == 3);
+
+	expect(lzma_info_iter_set(&iter, 66, 77) == LZMA_OK);
+	expect(iter.total_size == 66);
+	expect(iter.uncompressed_size == 77);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44);
+	expect(iter.uncompressed_offset == 33 + 55);
+	expect(lzma_info_index_count_get(info) == 3);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44 + 66);
+	expect(iter.uncompressed_offset == 33 + 55 + 77);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_set(&iter, 88, 99) == LZMA_OK);
+	expect(iter.total_size == 88);
+	expect(iter.uncompressed_size == 99);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44 + 66);
+	expect(iter.uncompressed_offset == 33 + 55 + 77);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	// 4c (continues from 4b)
+	lzma_info_iter_begin(info, &iter);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == 22);
+	expect(iter.uncompressed_size == 33);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11);
+	expect(iter.uncompressed_offset == 0);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_set(&iter, 22, LZMA_VLI_VALUE_UNKNOWN)
+			== LZMA_OK);
+	expect(iter.total_size == 22);
+	expect(iter.uncompressed_size == 33);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11);
+	expect(iter.uncompressed_offset == 0);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == 44);
+	expect(iter.uncompressed_size == 55);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11 + 22);
+	expect(iter.uncompressed_offset == 33);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_set(&iter, LZMA_VLI_VALUE_UNKNOWN, 55)
+			== LZMA_OK);
+	expect(iter.total_size == 44);
+	expect(iter.uncompressed_size == 55);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11 + 22);
+	expect(iter.uncompressed_offset == 33);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == 66);
+	expect(iter.uncompressed_size == 77);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44);
+	expect(iter.uncompressed_offset == 33 + 55);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_set(&iter, LZMA_VLI_VALUE_UNKNOWN,
+			LZMA_VLI_VALUE_UNKNOWN) == LZMA_OK);
+	expect(iter.total_size == 66);
+	expect(iter.uncompressed_size == 77);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44);
+	expect(iter.uncompressed_offset == 33 + 55);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == 88);
+	expect(iter.uncompressed_size == 99);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44 + 66);
+	expect(iter.uncompressed_offset == 33 + 55 + 77);
+	expect(lzma_info_index_count_get(info) == 4);
+
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44 + 66 + 88);
+	expect(iter.uncompressed_offset == 33 + 55 + 77 + 99);
+	expect(lzma_info_index_count_get(info) == 5);
+
+	expect(lzma_info_iter_set(&iter, 1234, LZMA_VLI_VALUE_UNKNOWN)
+			== LZMA_OK);
+	expect(iter.total_size == 1234);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44 + 66 + 88);
+	expect(iter.uncompressed_offset == 33 + 55 + 77 + 99);
+	expect(lzma_info_index_count_get(info) == 5);
+
+	// Test 4d (continues from 4c)
+	lzma_info_iter_begin(info, &iter);
+	for (size_t i = 0; i < 4; ++i)
+		expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(lzma_info_iter_set(&iter, 88, 99) == LZMA_OK);
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.total_size == 1234);
+	expect(iter.uncompressed_size == LZMA_VLI_VALUE_UNKNOWN);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44 + 66 + 88);
+	expect(iter.uncompressed_offset == 33 + 55 + 77 + 99);
+	expect(lzma_info_index_count_get(info) == 5);
+
+	expect(lzma_info_iter_set(&iter, LZMA_VLI_VALUE_UNKNOWN, 4321)
+			== LZMA_OK);
+	expect(iter.total_size == 1234);
+	expect(iter.uncompressed_size == 4321);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE
+			+ 11 + 22 + 44 + 66 + 88);
+	expect(iter.uncompressed_offset == 33 + 55 + 77 + 99);
+	expect(lzma_info_index_count_get(info) == 5);
+
+	expect(lzma_info_index_finish(info) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 5);
+
+	// Test 4e (continues from 4d)
+	lzma_info_iter_begin(info, &iter);
+	for (size_t i = 0; i < 5; ++i)
+		expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(lzma_info_iter_set(&iter, 1234, 4321) == LZMA_OK);
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_DATA_ERROR);
+
+	reset();
+}
+
+
+static void
+test5(void)
+{
+	lzma_index *i;
+
+	expect(lzma_info_index_set(info, NULL, NULL, true)
+			== LZMA_PROG_ERROR);
+
+	reset();
+	expect(lzma_info_index_set(info, NULL, my_index, false) == LZMA_OK);
+	i = lzma_index_dup(my_index, NULL);
+	expect(i != NULL);
+	i->next->uncompressed_size = 99;
+	expect(lzma_info_index_set(info, NULL, i, true) == LZMA_DATA_ERROR);
+
+	reset();
+	expect(lzma_info_index_set(info, NULL, my_index, false) == LZMA_OK);
+	i = lzma_index_dup(my_index, NULL);
+	expect(i != NULL);
+	lzma_index_free(i->next->next, NULL);
+	i->next->next = NULL;
+	expect(lzma_info_index_set(info, NULL, i, true) == LZMA_DATA_ERROR);
+
+	reset();
+	expect(lzma_info_index_set(info, NULL, my_index, false) == LZMA_OK);
+	i = lzma_index_dup(my_index, NULL);
+	expect(i != NULL);
+	lzma_index_free(i->next->next, NULL);
+	i->next->next = lzma_index_dup(my_index, NULL);
+	expect(i->next->next != NULL);
+	expect(lzma_info_index_set(info, NULL, i, true) == LZMA_DATA_ERROR);
+
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL,
+			total_size = 22 + 44 + 66) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED,
+			uncompressed_size = 33 + 55 + 77) == LZMA_OK);
+	validate();
+	expect(lzma_info_index_set(info, NULL, my_index, false) == LZMA_OK);
+	validate();
+
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL, total_size = 77)
+			== LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED,
+			uncompressed_size = 33 + 55 + 77) == LZMA_OK);
+	validate();
+	expect(lzma_info_index_set(info, NULL, my_index, false)
+			== LZMA_DATA_ERROR);
+
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_TOTAL,
+			total_size = 22 + 44 + 66) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_UNCOMPRESSED,
+			uncompressed_size = 777777) == LZMA_OK);
+	validate();
+	expect(lzma_info_index_set(info, NULL, my_index, false)
+			== LZMA_DATA_ERROR);
+
+	reset();
+}
+
+
+static void
+test6(void)
+{
+	lzma_metadata metadata;
+
+	// Same complete Metadata in both Header and Footer
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA,
+			my_metadata.header_metadata_size) == LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &my_metadata, true, false)
+			== LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &my_metadata, false, false)
+			== LZMA_OK);
+
+	// Header Metadata is not present but Size of Header Metadata is
+	// still present in Footer.
+	reset();
+	metadata = my_metadata;
+	metadata.header_metadata_size = LZMA_VLI_VALUE_UNKNOWN;
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA, 0)
+			== LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &metadata, true, false)
+			== LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &my_metadata, false, false)
+			== LZMA_DATA_ERROR);
+
+	// Header Metadata is present but Size of Header Metadata is missing
+	// from Footer.
+	reset();
+	metadata = my_metadata;
+	metadata.header_metadata_size = LZMA_VLI_VALUE_UNKNOWN;
+	expect(lzma_info_metadata_set(info, NULL, &my_metadata, true, false)
+			== LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA,
+			my_metadata.header_metadata_size) == LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &metadata, false, false)
+			== LZMA_DATA_ERROR);
+
+	// Index missing
+	reset();
+	metadata = my_metadata;
+	metadata.index = NULL;
+	expect(lzma_info_metadata_set(info, NULL, &metadata, true, false)
+			== LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &metadata, false, false)
+			== LZMA_DATA_ERROR);
+
+	// Index in Header Metadata but not in Footer Metadata
+	reset();
+	expect(lzma_info_metadata_set(info, NULL, &my_metadata, true, false)
+			== LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &metadata, false, false)
+			== LZMA_OK);
+
+	// Index in Header Metadata but not in Footer Metadata but
+	// Total Size is missing from Footer.
+	reset();
+	metadata.total_size = LZMA_VLI_VALUE_UNKNOWN;
+	expect(lzma_info_metadata_set(info, NULL, &my_metadata, true, false)
+			== LZMA_OK);
+	expect(lzma_info_metadata_set(info, NULL, &metadata, false, false)
+			== LZMA_DATA_ERROR);
+
+	// Total Size doesn't match the Index
+	reset();
+	metadata = my_metadata;
+	metadata.total_size = 9999;
+	expect(lzma_info_metadata_set(info, NULL, &metadata, true, false)
+			== LZMA_DATA_ERROR);
+
+	// Uncompressed Size doesn't match the Index
+	reset();
+	metadata = my_metadata;
+	metadata.uncompressed_size = 9999;
+	expect(lzma_info_metadata_set(info, NULL, &metadata, true, false)
+			== LZMA_DATA_ERROR);
+
+	reset();
+}
+
+
+static void
+test7(void)
+{
+	// No info yet, so we cannot locate anything.
+	expect(lzma_info_metadata_locate(info, true)
+			== LZMA_VLI_VALUE_UNKNOWN);
+	expect(lzma_info_metadata_locate(info, false)
+			== LZMA_VLI_VALUE_UNKNOWN);
+
+	// Setting the Stream start offset doesn't change this situation.
+	expect(lzma_info_size_set(info, LZMA_INFO_STREAM_START, 5) == LZMA_OK);
+	expect(lzma_info_metadata_locate(info, true)
+			== LZMA_VLI_VALUE_UNKNOWN);
+	expect(lzma_info_metadata_locate(info, false)
+			== LZMA_VLI_VALUE_UNKNOWN);
+
+	// Setting the Size of Header Metadata known allows us to locate
+	// the Header Metadata Block.
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA, 11)
+			== LZMA_OK);
+	expect(lzma_info_metadata_locate(info, true)
+			== 5 + LZMA_STREAM_HEADER_SIZE);
+	expect(lzma_info_metadata_locate(info, false)
+			== LZMA_VLI_VALUE_UNKNOWN);
+
+	// Adding a Data Block. As long as Index is not Finished, we cannot
+	// locate Footer Metadata Block.
+	lzma_info_iter_begin(info, &iter);
+	expect(lzma_info_iter_next(&iter, NULL) == LZMA_OK);
+	expect(iter.stream_offset == 5 + LZMA_STREAM_HEADER_SIZE + 11);
+	expect(iter.uncompressed_offset == 0);
+	expect(lzma_info_iter_set(&iter, 22, 33) == LZMA_OK);
+	expect(lzma_info_metadata_locate(info, true)
+			== 5 + LZMA_STREAM_HEADER_SIZE);
+	expect(lzma_info_metadata_locate(info, false)
+			== LZMA_VLI_VALUE_UNKNOWN);
+
+	// Once the Index is finished, we can locate Footer Metadata Block too.
+	expect(lzma_info_index_finish(info) == LZMA_OK);
+	expect(lzma_info_metadata_locate(info, true)
+			== 5 + LZMA_STREAM_HEADER_SIZE);
+	expect(lzma_info_metadata_locate(info, false)
+			== 5 + LZMA_STREAM_HEADER_SIZE + 11 + 22);
+
+	// A retry of most of the above but now with unknown Size of Header
+	// Metadata Block, which makes locating Footer Metadata Block
+	// impossible.
+	reset();
+	expect(lzma_info_size_set(info, LZMA_INFO_STREAM_START, 5) == LZMA_OK);
+	expect(lzma_info_metadata_locate(info, true)
+			== LZMA_VLI_VALUE_UNKNOWN);
+	expect(lzma_info_metadata_locate(info, false)
+			== LZMA_VLI_VALUE_UNKNOWN);
+
+	expect(lzma_info_index_set(info, NULL, my_index, false) == LZMA_OK);
+	expect(lzma_info_metadata_locate(info, true)
+			== LZMA_VLI_VALUE_UNKNOWN);
+	expect(lzma_info_metadata_locate(info, false)
+			== LZMA_VLI_VALUE_UNKNOWN);
+
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA, 11)
+			== LZMA_OK);
+	expect(lzma_info_metadata_locate(info, true)
+			== 5 + LZMA_STREAM_HEADER_SIZE);
+	expect(lzma_info_metadata_locate(info, false)
+			== LZMA_STREAM_HEADER_SIZE + 5 + 11 + 22 + 44 + 66);
+
+	reset();
+}
+
+
+static void
+test8(void)
+{
+	expect(lzma_info_size_set(info, LZMA_INFO_STREAM_START, 5) == LZMA_OK);
+	expect(lzma_info_size_set(info, LZMA_INFO_HEADER_METADATA, 11)
+			== LZMA_OK);
+
+	lzma_info_iter_begin(info, &iter);
+	expect(lzma_info_iter_locate(&iter, NULL, 0, false)
+			== LZMA_DATA_ERROR);
+	expect(lzma_info_index_count_get(info) == 0);
+
+	lzma_info_iter_begin(info, &iter);
+	expect(lzma_info_iter_locate(&iter, NULL, 0, true) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 1);
+	expect(lzma_info_iter_locate(&iter, NULL, 0, false) == LZMA_OK);
+	expect(lzma_info_index_count_get(info) == 1);
+
+	// TODO
+}
+
+
+/*
+static void
+test9(void)
+{
+	// TODO Various integer overflow checks
+}
+*/
+
+
+int
+main()
+{
+	lzma_init();
+
+	info = lzma_info_init(NULL, NULL);
+	if (info == NULL)
+		return 1;
+
+	validate();
+
+	test1();
+	test2();
+	test3();
+	test4();
+	test5();
+	test6();
+	test7();
+	test8();
+
+	lzma_info_free(info, NULL);
+	return 0;
+}