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-rw-r--r--lib/compression/tests/test_lzxpress_plain.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/compression/tests/test_lzxpress_plain.c b/lib/compression/tests/test_lzxpress_plain.c
index 8ce3a7715d0..5d2a51eb466 100644
--- a/lib/compression/tests/test_lzxpress_plain.c
+++ b/lib/compression/tests/test_lzxpress_plain.c
@@ -309,7 +309,8 @@ static void test_lzxpress_many_zeros(void **state)
TALLOC_CTX *tmp_ctx = talloc_new(NULL);
const size_t N_ZEROS = 1000000;
const uint8_t *zeros = talloc_zero_size(tmp_ctx, N_ZEROS);
- const ssize_t expected_c_size = 93;
+ const ssize_t expected_c_size_max = 120;
+ const ssize_t expected_c_size_min = 93;
ssize_t c_size;
uint8_t *comp, *decomp;
static struct timespec t_start, t_end;
@@ -327,8 +328,13 @@ static void test_lzxpress_many_zeros(void **state)
N_ZEROS,
comp,
talloc_get_size(comp));
+ /*
+ * Because our compression depends on heuristics, we don't insist on
+ * an exact size in this case.
+ */
- assert_int_equal(c_size, expected_c_size);
+ assert_true(c_size <= expected_c_size_max);
+ assert_true(c_size >= expected_c_size_min);
decomp = talloc_size(tmp_ctx, N_ZEROS * 2);
c_size = lzxpress_decompress(comp,