Tests: test_index: Test lzma_index_buffer_encode() with empty output buf

(cherry picked from commit 2c970debdb285823f01f75e875561d893345ac2b)

diff --git a/tests/test_index.c b/tests/test_index.c
index ef43e6e3acfdeb249807686b7ec1812b87a2ea5c..673186c55491f64e36cb2d3206e44a5cae07ece7 100644 (file)
--- a/tests/test_index.c
+++ b/tests/test_index.c
@@ -1625,6 +1625,9 @@ test_lzma_index_buffer_encode(void)
        assert_lzma_ret(lzma_index_buffer_encode(idx, buffer, &out_pos,
                        0), LZMA_PROG_ERROR);
        out_pos = 0;
+       assert_lzma_ret(lzma_index_buffer_encode(idx, buffer, &out_pos,
+                       0), LZMA_BUF_ERROR);
+       assert_uint_eq(out_pos, 0);
        assert_lzma_ret(lzma_index_buffer_encode(idx, buffer, &out_pos,
                        1), LZMA_BUF_ERROR);